Civil Engineering
Lahav
  • Aquatic chemistry
  • Water and wastewater treatment focusing on physical-chemical process development
  • Desalination
  • Aquacultural engineering

Academic Degrees

1992 B.Sc., Water Engineering, Faculty of Agricultural Engineering, Technion – Israel Institute of Technology. Cum Laude
1994 M.Sc., Environmental Engineering, Faculty of Civil Engineering, Technion – Israel Institute of Technology.
1998 Ph.D., Environmental Engineering, Faculty of Agricultural Engineering, Technion – Israel Institute of Technology.

Academic Appointments

1.1.2024 – present Dean, Faculty of Civil and Environmental Eng., Technion.
1.3.2021 – 31.12.2023 Head of the Environmental, Water and Agricultural Engineering Unit, Faculty of Civil and Environmental Eng., Technion.
1.10.2017 – 30.9.2022 Head of the Environmental Science and Engineering Research Group. Guangdong-Technion IIT (GTIIT, Shantou, China).
1.4.2018 – 30.9.2020 Dean of Undergraduate Studies. Guangdong-Technion (GTIIT, Shantou, China).
2016 Albert and Ann Mansfield Chair in Water Science and Technology.
2014 Professor, Faculty of Civil and Environmental Engineering, Technion, Israel Institute of Technology.
1.1.2015 – 30.9.2017 Head of the Grand Water Research Institute, Technion.
2007 – 2014 Associate Professor, Faculty of Civil and Environmental Engineering, Technion, Israel Institute of Technology.
2013 –2014 Visiting Scholar, Duke University (6-month sabbatical).
2003 –2007 Senior Lecturer, Faculty of Civil and Environmental Engineering, Technion, Israel Institute of Technology.
2001 – 2003 Senior Research Associate, Faculty of Agricultural Engineering, Technion, Israel Institute of Technology.
1999 – 2001 Post-Doctoral Fellow, University of Cape Town, Civil Engineering Department. Host: Prof. Richard Loewenthal.

Teaching Experience

  • Water Chemistry (undergraduate level). March 2003 – present.
  • Chemistry of environmental processes (graduate level). 2007 – 2012.
  • Subsurface Drainage Engineering (undergraduate level). 2002 – 2006.
  • Urban Drainage Engineering (undergraduate + graduate level). 2002 – 2006.
  • Water and Wastewater Treatment 1 (graduate level): October 2014 – 2017.
  • Advanced Water Treatment (graduate level): 2019 – present
  • Fundamentals of Chemistry (1st semester undergrad 5-credit introductory chemistry course). GTIIT, 2017 & 2018.

 

Public Professional Activities

2004-2007       Member of both the Physical Quality and Water Treatment Sub-Committees of the Committee for the Revision of Potable Water Quality (Adin’s Committee), Israeli Ministry of Health.

2006-2008   Member of the Research Committee (Water and Soil Research), Ministry of Agriculture, Israel.

2007-2007       Member of the Research Committee of BARD (US-Israel Bi-national Agricultural Research and Development Fund)

2008–2012       Member of the Research Committee (Increasing water usage efficiency), Ministry of Agriculture, Israel.

2012 – 2014     Member of editorial board of the Israeli Journal Water and Irrigation.

2013                Member of the ISF research committee (Chemical and Environmental Eng.).

2014 – 2015     Member of the Advisory Committee for Drinking Water Quality, Ministry of Health, Israel

2014 – 2015     Member of the Editorial Board of the journal “Scientific Reports”, Nature Publishing Group, England.

2014 – 2015     Member of the Israeli Council for Higher Education Committee for evaluating the new (MSc) Water study program proposed by Tel Hay College.

2016 –              Member of the Editorial Board of the journal “ChemEngineering” (ISSN 2305-7084), MDPI, Switzerland.

 

Army Service (IDF)

Armored forces. Released from (reserve) duty in 2005 at Lieutenant Colonel.

Completed theses (7 PhD, 30 MSc)

  1. Yuval Alfia. M.Sc. 2004. Investigation of the clogging mechanism, and development of operation parameters for a passive-aeration novel biological vertical bed.
  2. Amitai Sagiv. M.Sc. 2004. Modification, calibration and verification of a model depicting hydrogen sulfide emission rates in gravity sewers.
  3. Sivan Klas. M.Sc. 2005. Development of a cost effective and simple process for nitrate removal from intensive aquaculture systems by denitrification using intrinsic organic carbon source.
  4. Dan Firer. M.Sc. 2006. Investigation of the use of iron salts to control odor and corrosion in urban sewer systems (co-supervision with E. Friedler).
  5. Tsabar M.Sc. 2007. Removal of NH3(g) from broiler house emissions and its subsequence use as fertilizer.
  6. Inbal Abraham. M.Sc. 2007. Development of a general method for calculation and allocation of river strips for a spatial drainage system.
  7. Gendel, Yuri. M.Sc. 2007. Investigation of a chemical-biological process for H2S removal from biogas emissions.
  8. Iris Bar-Massada. M.Sc. 2007. Study of the parameters that affect anaerobic ammonia oxidation (anammox) as part of a process aimed at complete removal of nitrogen species from recirculating aquaculture systems.
  9. Somaya Falah. M.Sc. (2009) Deliberate struvite precipitation from the supernatant of sludge dewatering facilities for both phosphorus recycling and decrease in nutrients load on wastewater treatment plants.
  10. Halil Eid. M.Sc. (2009). Calibration and implementation of “QUEST” method as a basis for developing a tool for the assessment of sewer exfiltration and its minimization (co-supervision with E. Friedler).
  11. Naomi Levi. M.Sc. (2009) Investigation of the kinetics of low-pH ferrous oxidation by O2 as part of a process aimed at H2S(g) removal from biogas.
  12. Liat Birnhack. Ph.D. (2010) Development and modeling of a cost effective and advantageous post treatment process for desalinated water.
  13. Klas Sivan. Ph.D. (2010) Removal of heavy metals by their stable incorporation into ferrites at ambient temperature: process development and modeling.
  14. Elya Ofer M.Sc. (2010) Stabilization of the ferrite crystal as part of a process aimed at heavy metals removal from industrial wastes at ambient temperature. Co-supervision with Yael Dubowski.
  15. Noga Fridman. M.Sc. (2010) Minimization of bromate formation as part of the operation of a non-thermal-plasma method for oxidation of refractory organic compounds.
  16. Mizrahi Anat. M.Sc. in Tel Hay College. (2011) Removal of Methyl Tert-Butyl Ether (MTBE), Trichloroethylene (TCE) and Azo dye from drinking water by a new plasma-based advanced oxidation technology: a kinetics study. Co-supervision with I. Tal-Or (Tel Hai college).
  17. Shaul Oren. M.Sc. (2011) Development of a post treatment process for magnesium addition to inorganic carbon rich desalinated brackish water.
  18. Yuri Gendel Ph.D. (2012). Indirect ammonia electro-oxidation: Reaction mechanism investigation and implementation on intensive aquaculture ponds.
  19. Yuval Shwartz. M.Sc. (2013) Development of a process for treatment of swine wastes using ion exchange and electrochemical regeneration.
  20. Tali Ben Dov. M.Sc. (2013) Development of an electrochemical process for regeneration of ion exchange resins used for ammonia removal in industrial processes.
  21. Amir Zivan. MSc. (2013) Development of a cost effective and environmental method for commercial breeding of mullet fish (Mugil cephalus) in low-salinity waters.
  22. Raz Ben Asher. (2013) M.Sc. Development of a biological process for combined removal of nitrogen and phosphorus compounds from effluents of intensive aquaculture systems.
  23. Marina Telzhensky, Ph.D. (2015) Selective separation of Mg2+ from seawater via ion-exchange assisted nanofiltration: process development and determination of controlling ion-separation mechanisms.
  24. Oded Nir. PhD. (2015). Removal of boron from seawater by reverse osmosis membranes: new operational approach and advanced process simulation.
  25. Orly Lehman. M.Sc. (2015) Selective magnetic separation of Mg2+ ions from SWRO brine by adsorption on magnetite crystals, for production of magnesium compounds and reuse thereof in water treatment processes.
  26. Paz Nativ. MSc. (2016) Membrane based methods for selective separation of Mg2+ and Ca2+ ions from seawater, for improving the quality of soft and desalinated waters
  27. Liron Ophek. MSc. (2016) Improving the energy efficiency of combined boron and TDS rejection within seawater reverse osmosis systems.
  28. David Lehman. MSc. (2017) Separation of NH4+ from municipal wastewater and oxidation to N2(g) using an electrochemically-regenerated ion exchange process.
  29. Yaron Aviezer. MSc. (2017) Development of a process of preparation of raw material for a thermal reduction retort, for the production of solid magnesium from sea water RO brines.
  30. Inbal Fux. MSc. (2017) A sustainable physical-chemical method for removing nitrate from drinking water.
  31. Hadas Segal. MSc. (2018) Development of a second pass as part of an energy efficient seawater RO process aimed at boron and TDS removal.
  32. Noam Harlev. MSc. (2018, BGU) Acidification, de-carbonization and in-situ free chlorine generation in seawater; a potential pretreatment for biofouling control in SWRO membranes. Moshe Herzberg as principal supervisor.
  33. Raz Ben Asher. Ph.D. (2018) Novel and advantageous physical-chemical treatment approach for growing warm-water fish in recirculated aquaculture systems (RAS).
  34. Noa Rolider. M.Sc. (2018) Improvement and quantitative assessment of a physical-chemical approach for growing striped-bass in a freshwater recirculated aquaculture system.
  35. Shimon Somer. MSc. (2021) Rehabilitation of water distribution systems following a cadmium contamination intrusion.
  36. Yoni Graber. MSc. (2021) Operational and economic optimization of a process aimed at adding Mg2+ to desalinated water.
  37. Yaron Aviezer. (2022) Ph.D. Kinetic and mechanistic investigation of supercritical water oxidation of hazardous species in RO brine of secondary municipal effluents.
  38. Zenebu Abera Derbew, MSc. (2023) Removal of NH4+ from anerobic supernatants using electrochemically regenerated ZnHCF.

 

Theses in progress

  1. Chen Dagan. PhD. Preparation and characterization of novel polymer-based membranes for selective separation of alkali metal ions from seawater. Expected graduation, June 2024.
  2. Samah Abassi PhD. Nitritation in saline water. Expected graduation, March 2025 (principal advisor: Michal Green).
  3. Chaolin Fang, PhD. Study on biomineralization for improving the mechanical and self-healing properties of cement mortars under prevailing environmental conditions. Expected graduation, March 2025 (principal advisor: Varenyam Achal).
  4. Lin Gao, PhD. Enrichment of new anammox bacteria and metabolic investigation of nitrogen removal in wastewater containing plasticizers. Expected graduation, March 2025 (principal advisor: Ji-Dong Gu).
  5. Anat Weisbrod, Flush to fuel: changing the operation mode of wastewater treatment plants to minimize GHG emissions and maximize energy and nutrients’ recovery. Ph.D. Expected graduation, October 2026.

 

Supervision of research staff

Emily Shlafman (B.Sc.). October 2002 to October 2003; Sharon Molchanov (M.Sc.). September 2004 to September 2006; Sivan Klas (M.Sc.). January 2005 to September 2006; Beni Lew (Ph.D.) April 2007 to April 2008; Adina Moshe (M.Sc.). October 2006 to December 2008; Irina Zuev (Ph.D.). Post doc, April 2009 – December 2009; Liat Birnhack (Ph.D). Research Associate. March 2011 – present; Samuel Tang (Ph.D). Post Doc. November 2015 – November 2017. Noga Fridman-Bishop (PhD), Post Doc. October 2017 – May 2020. Raz Ben Asher (PhD), November 2018 – present. Paz Nativ (PhD), May 2020 – present. Yaron Aviezer (PhD). March 2022 – present.

 

Research Grants

  1. 2003 – 2006, Lake Kineret Drainage Authority, $75,000. Research on vegetated channels from both hydraulic and ecological perspectives (PIs: Shavit, Lahav, Carmel).
  2. 2003 – 2004, Israel Oceanographic and Limnological Research Ltd., $5500. Development of a cost effective and simple process for nitrate removal from intensive aquaculture system by denitrification using intrinsic carbon source.
  3. 2004 – 2007, BARD, $167,000. Elimination of Emissions of Ammonia and Hydrogen Sulfide from Confined Animal and Feeding Operations (CAFO) Using an Adsorption/Liquid-Redox Process with Biological Regeneration (PIs: Lahav, Broday).
  4. 2005 – 2006, Haifa municipality + Keren Sapir: Prevention of odors and corrosion from gravity sewers – investigation into engineering and economical aspects. $32,000, (PIs: Friedler, Lahav).
  5. 2005 – 2008, Min. of the Environment, Israel. $55,000. Calibration and implementation of “QUEST” method as a basis for developing a tool for the assessment of sewer exfiltration and its minimization (PIs: Friedler, Lahav).
  6. 2005 – 2008, $111,000, Ministry of Agriculture: Monitoring of Recirculated Aquaculture Systems.
  7. 2005– 2008, Ministry of Agriculture. Optimal management and maintenance of recirculated aquaculture systems. (PIs: Lahav, Mozes, Halachmi). Technion’s part = $18,600 (out of $53,000).
  8. 2005 – 2006, Israeli Water Commission office. $9,000. Theoretical investigation of the “Red Water” phenomenon.
  9. 2006 – 2009, US-AID, MERC. Land-based Mariculture Wastewater Treatment – keeping the Red Sea clean. In collaboration with National Center for Mariculture in Eilat and Jordanian researchers from Aqaba. Technion’s part (PI: Lahav) = $54,000 (out of $500,000).
  10. 2006 – 2008, Mekorot, $19,000, Studies into struvite precipitation from wastewater treatment plants.
  11. 2007 – 2008. Gurwin Fund, $35,000. Development of a cost effective and advantageous post treatment process for desalinated water.
  12. 2007 – 2010, BMBF-MOS, $170,000. Removal of heavy metals by their stable incorporation into ferrites at ambient temperature: process development and modeling, and application to wastewater from a plating and galvanization industries (PIs: Lahav, Dubovski).
  13. 2007 – 2009. Mekorot. $70,000 Development of an analytical technique and investigation of odor removal from drinking water (PIs Dubowski, Lahav).
  14. 2007 – 2009. Development of a novel cost-effective post-treatment process for producing balanced nutrients composition and stabilized drinking water from desalinated and soft waters. Startup funding from private investors. In collaboration with Technion’s R&D Foundation. Total startup sum: $1,400,000 for two years.
  15. 2007 – 2008. Tahal. $17,500. Theoretical and empirical investigation into the effects of blending desalinated water with other water sources (With Dr. Ostfeld).
  16. A novel process for removal of ammonia from piggery wastes. Renewable Resources Ltd. 150,000 NIS (~$35,000).
  17. Minimization of bromate formation as part of a plasma-based process advanced oxidation technology. AquaPure Ltd. 50,000 NIS (~$13,000). 1.1.09 – 1.1.11.
  18. 2009 – 2012. Assessment of Shamir well water for agriculture. 550,000 NIS (~$140,000). With Prof. Shaviv and Prof. Dozoretz.
  19. Renewable Resources. $15,000. “Development of a novel cost-effective post-treatment process for desalinated water”.
  20. 2010-2012. Agricultural Ministry 279,000 NIS (~$75,000), RAS monitoring project (continuation).
  21. 2010 – 2013 BARD. $155,000. A novel physical-chemical-biological treatment process for swine wastes (with Prof. Green).
  22. 2010 – 2014 ISF. $185,000. Selective separation of Mg2+ from seawater via combined ion-exchange and nanofiltration while minimizing Cl– With Profs. Dozoretz and Semiat.
  23. 2010 – 2013 Ministry of Agriculture. 300,000 NIS (~$80,000). Promoting the cultivation of the Dakar fish species.
  24. BMBF/MOS 2011-2012 (one year project), 80,000 Euro. Extraction of phosphorus compounds from wastewater for reuse as struvite fertilizer, via dosage of cheap seawater-based Mg2+ ions, separated using a novel NF-based method (with Prof. Eisen).
  25. 2013-2015, BMBF/MOS (two-year continuation, separate research proposal), 123,000 Euro. Extraction of phosphorus compounds from wastewater for reuse as struvite fertilizer, via dosage of cheap seawater-based Mg2+ ions, separated using a novel NF-based method (with Prof. Eisen).
  26. 2014-2017, Israeli Ministry of Agriculture, Chief Scientist Fund, 375,000 NIS ($107,000). Development and testing of a novel physico-chemical based process for growth of valuable fish in recirculating aquaculture systems.
  27. 2014-2018, ISF, 704,000 NIS ($206,000). Development, calibration, evaluation and application of a new model for simulating weak-acid species cross-membrane reactive-transport in reverse osmosis: B(OH)3 as a case study.
  28. 2015-2018, Ministry of Science and Technology, 1,594,000 NIS (~$400,000) Development of a thermal-reduction-based technology for producing solid magnesium (Mg(s)) from Mg(II) separated from seawater RO brines. With Prof. Egyon (BGU, 48% of budget).
  29. 2016-2019, BMBF/MOST, 165,000 Euro. Separating multivalent and monovalent ions and implementation in FCDI/RED. Co-PI: Youri Gendel.
  30. 2016-2017, Uzi and Michal Halevi fund for innovative applied research at the Technion. $20,000. Development of a Nanofiltration-DiaNanofiltration based method for selective separation of Mg and Ca ions and its incorporation in brackish and SWRO applications.
  31. 2017-2020. Israeli Ministry of Science and Technology. Rehabilitation of water distribution systems following a chemical contamination intrusion –a solution based on water quality and water distribution systems modeling. 750,000 NIS (~$215,000), with Avi Ostfeld.
  32. 2018-2021 Israeli Ministry of Energy. 600,000 NIS (~$170,000). Minimization of specific energy consumption in desalination plants. With Oded Nir, BGU.
  33. 2019-2020. EIT Food, as part of EU funding. 420,000 Euro. A new method for increasing loads in transportation of aquaculture species. With Youri Gendel.
  34. 2019-2021. Biofishency. 950,000 NIS (~$260,000). A new RAS approach for growing edible fish. With Youri Gendel.
  35. 2020 – 2021, Uzi and Michal Halevi fund for innovative applied research at the Technion. $20,000. Development of a new water treatment method for improving the longevity and bio-density of live aquaculture species’ transportation.
  36. 2020 – 2024, BIRD, $240,000. A new process for maximizing the recovery ratio of brackish water desalination.
  37. 2021 – 2022, Uzi and Michal Halevi fund for innovative applied research at the Technion. $20,000. A new and promising method for extracting Rb+ from seawater RO retentates.
  38. 2022 – 2025, Ministry of Energy. 450,000 NIS (~$140,000). Extraction of Rb+ from seawater and seawater RO brines.
  39. 2022 – 3.2024, Magneton, 800,000 NIS (~$225,000). Removal of off flavor substances from fish-pond saline water while feeding the fish.
  40. EPT, $24,500, Mg2+ separation from seawater, optimization of a full-scale plant supplying desalinated water to Kibbutz Maagan Michael.
  41. 2023 – 2026 KKL, 450000 NIS. Reducing GHG emissions from wastewater treatment plants’ operation. Not activated due to unbridgeable differences between TRDF and KKL.
  42. 2024 (8 months). 213000 NIS. Rafael Advanced Defense Systems. Degradation of energy materials by supercritical water oxidation.

Theses

Ph.D.: A physical-chemical-biological process for the removal of nitrogen compounds from secondary effluents (1998).

M.Sc.: Reuse of wastewater effluents in the urban sector in Israel (1994).

Papers in peer reviewed journals

Google Scholar:       Hin = 41, https://scholar.google.com/citations?user=CBWQ9es-AAAAJ&hl=en
Web of Science:       Hin = 31, https://www.webofscience.com/wos/author/record/445903
Scopus:                     Hin = 35, https://www.scopus.com/authid/detail.uri?authorId=7005760972

 

Textbooks

  1. Lahav O., Voutchkov N., Birnhack L. (2012) Post treatment of desalinated water. Desalination Publications. Eight-chapter textbook, 300 pp., ISBN 0-86689-071-8.
  2. Lahav O., Birnhack L., Klas S. (2010; 5th 2016) Aquatic chemistry for process engineers and environmental scientists. Nine-chapter textbook, 290 pp. (in Hebrew).
  3. Lahav O., Birnhack L. (2019) Aquatic chemistry. Ten-chapter textbook, 262 pp., de Gruyter, Germany. ISBN 978-3-11-060395-8

Chapters in textbooks

  1. Reifen R., Rosen G., Lahav O. (2008) Intelligence of nutrition, Section 6 within Chapter 13, p. 370-379, “The water we drink”. Impress Direct Media, Israel (in Hebrew).
  2. Nir O., Lahav O. (2015) Single SWRO Pass Boron Removal at High pH: Prospects and Challenges, Chapter 15 within the textbook “Boron separation processes”, Editors: N. Hilal, E. Kabay, M. Bryjak. Publisher: Elsevier.
  3. Birnhack L., Lahav O. (2018) Post Treatment of Desalinated Water: Chemistry, Design, Engineering and Implementation, pp. 305-350. Chapter 6 within “Sustainable Desalination Handbook”. Editor: V. Gude. Publisher: Elsevier.

Refereed papers in international conference proceedings (presenters underlined)

  1. Loewenthal RE, Morgan BE and Lahav (2000) “Iron and heavy metals in acid mine drainage waters – equilibrium and treatment considerations”. Proceedings of the WISA Anaerobic Processes Division – Technology Transfer Workshop. August 2000, Johannesburg.
  2. Green, Artzi E., Tarre S., Lahav O. (2000) High rate vertical bed for nitrification. Proceedings of the 7th International Conference on Wetland Systems for Water Pollution Control, Florida, Vol. 1, pp. 269-276.
  3. Admon S., Tarre S., Sabbah I., Lahav O. and Green (2002). Treatment of pre-settled municipal wastewater using a passively aerated vertical bed. Proceedings of the 8th International Conference on Wetland Systems for Water Pollution Control, Arusha, Tanzania, pp 615-626.
  4. Green, Gidron E., Lahav O. and Tarre S. (2002). Treatment of dairy wastewater using a vertical bed with passive aeration. Proceedings of the 8th International Conference on Wetland Systems for Water Pollution Control. Vol. 1, pp 324-332.
  5. Lahav, Shlafman E, Morgan B., Loewenthal R. and Tarre S. (2002). Accurate on-site Volatile Fatty Acids (VFA) measurement in anaerobic digestion – verification of a new titrative method. VII Latin American Workshop and Symposium on anaerobic digestion. 22-25 October 2002, Merida, Yucatan. pp. 118-125.
  6. Lahav O., Yue L., Shavit U., Friedler, and Loewenthal RE. (2002). A semi-empirical approach for quantifying H2S(g) emission rates in gravity sewers. International Conference on Sewer Operation and Maintenance – SOM 2002, University of Bradford UK, Nov. 2002. Sponsored by IWA, EPSRC, CIWEM and The Institution of Civil Engineers.
  7. Lahav and Loewenthal RE. (2003) A different approach towards characterizing very soft terrestrial waters. Asian Water Quality Conference (WATERQUAL), Oct. 19-23, 2003, Bangkok, Thailand.
  8. Klas S., Johnson B., Mozes N., and Lahav O. (2004). Removal of nitrate from marine recirculating aquaculture systems using solids hydrolysis and denitrification in a single reactor. Proceeding of the Fifth International Conference on Recirculating Aquaculture, Roanoke, Virginia, USA July 23-24, 2004, pp. 339-349.
  9. Eshchar, Mozes N., Ron B., Peduel A., Lahav O. (2004) Control of toxic metabolites in intensive fish rearing systems – allowing low water exchange without using a nitrification filter. Proceeding of the Aquaculture European Conference, Barcelona, Spain, October 20-23, pp. 324-325.
  10. Friedler E and Lahav O. (2005) Centralized Urban Wastewater Reuse: What is the Public Attitude? 10ICUD, 10th International Conference on Urban Drainage. Copenhagen, Denmark, August 2005. Organized by IWA and IAHR. (8 p., on CD).
  11. Klas S., Mozes N. and Lahav (2006) Development and empirical assessment of a model describing NO3– removal from RAS using the activated sludge concept with intrinsic organic matter as the electron donor. Sixth International Conference on Recirculating Aquaculture, Roanoke, Virginia, July 21 – 23, 2006. (10 p., on CD)
  12. Birnhack L. and Lahav (2006) Development of a cost effective and advantageous post treatment process for desalinated water. First international conference – From Invention and Development to Product held in Sde Boker, Israel, November 28-30, pp. 113-117.
  13. Ostfeld, Lahav O., and Salomons E. (2007). “Desalinated water sources inclusion in optimizing the operation of water systems”, Water Management Challenges in Global Change, Ulanicki et al. (Eds.), CCWI2007 and SUWM2007 Conference, De Montfort University, Leicester, United Kingdom, Taylor and Francis Group, London, pp. 387-390.
  14. Penn R., Birnhack L., Adin A. and Lahav O. (2008) New Desalinated Drinking Water Regulations are met by an Innovative Post-Treatment Process for Improved Public Health Singapore Water Week Conference, June 23-26, 2008.
  15. Birnhack, Penn R., Oren S., Lehmann O. and Lahav O. (2009) Pilot scale evaluation of a novel post treatment process and introduction of a modification based on CO2-calcite dissolution to attain a wide range of product water qualities. Proceedings of “Desalination for the Environment. Clean Water and Energy”, 17-20/05/2009, Baden-Baden, Germany.
  16. Lew, Kummel M., Sheindorf C., Phalah S., Rebhun M and Lahav, O. (2009) Determining the operational conditions required for homogenous struvite precipitation from belt press supernatant. International conference on nutrient recovery from waste streams, May 10-13 2009, Vancouver, Canada.
  17. Ostfeld, Lahav, O. and Salomons E. (2010) Chemical stability inclusion in optimizing the operation of water networks. Water distribution system analysis 2010. Tucson AZ, USA. September 12-15, 2010.
  18. Klas, Dubowski Y., Kirk D.W. and Lahav O (2011) AMD treatment by the ferrite process – opportunities and challenges. Mining & the Environment International Conference, Sudbury, Canada, June 25-27, 2011.
  19. Friedler, Eid K., Alfiya Y., Lahav O. (2011) Quantification and verification of the QUEST method as a tool for rapid assessment of exfiltration from gravity sewers. 12th Int. Conf. on Urban Drainage (ICUD). Organized by IAHR and IWA, Porto Alegre, September 2011 (8 p. on CD).
  20. Nir, Herzberg M. and Lahav O. (2012) A new, energy-efficient approach for boron removal from SWRO plants. EDS conference “Desalination and the Environment” in Barcelona, April, 23-26, 2012.
  21. Zewuhn, A., Gerth, J., Lahav, O., and Calmano, W. (2012) Use of desalination concentrate as a magnesium source for struvite precipitation from wastewater. Crete 2012, 3rd International Conference on Industrial and Hazardous Waste Management.
  22. Gendel, Y., Benet-Perlberg, , Mozes, N., and Lahav O. (2012) A new RAS operational approach: removing nitrogen without biofilters. 9th international Conference on Recirculating Aquaculture, Roanoke VA, USA, August 24-27, 2012.
  23. Lahav, Telzhensky M., Zewuhn A., Gendel Y., Gerth J., Birnhack L., Calmano W. (2012) Extraction of phosphorus compounds from wastewater for reuse as struvite fertilizer, via dosage of cheap seawater-based Mg2+ ions, separated using a novel NF-based method. Annual meeting of the BMBF/MOS Water Research Foundation. October 2012.
  24. Nir, M. Herzberg, O. Lahav (2012), A new approach for boron removal in seawater desalination, The Israeli Agricultural Engineering Society, Tel-Aviv, Israel.
  25. Nir, M. Herzberg, O. Lahav (2012), Single pass boron removal – a new approach, Desalination for the Environment, European Desalination Society, Barcelona, Spain.
  26. Nir, O. Lahav (2013), A new coupled approach for modeling the reactive transport of weak acids in reverse osmosis processes – the case of boric acid in seawater, 1stInternational Conference on Desalination using Membrane Technology, Elsevier, Sitges, Spain.
  27. Nir, O. Lahav (2014), Measuring and modeling pH evolution in reverse osmosis processes, Desalination for the Environment: Clean water and Energy, European Desalination Society, Limassol, Cyprus.
  28. Nir, N. Friedman-Bishop, O. Lahav, V. Freger (2015), Transport of hydronium and hydroxide ions in reverse osmosis desalination, Euromembrane, Aachen, Germany.
  29. Ohar Z, Ostfeld A, Lahav O and Birnhack L. (2015) Modelling heavy metal contamination events in water distribution systems. 13th Computer Control for Water Industry Conference, CCWI 2015.
  30. Fridman-Bishop, N., Somer, S., Birnhack, L., Ostfeld, A., Lahav, O. (2019) Rehabilitation of water distribution systems following a cadmium contamination intrusion—A solution based on water quality and water distribution systems modelling. Selected Papers from the World Environmental and Water Resources Congress 2019, pp. 543-556.

Other publications

  1. Ohar Z., Ostfeld A., Lahav O. Birnhack L. (2015) Modelling heavy metal contamination events in water distribution systems. Procedia Engineering 119, 328 – 336.
  2. Ben Asher R., Lahav O. (2013) Effect of CO2 concentrations on the performance of Sparus Aurata fish in saline water. Daig Umidge, 2(44), 1692-1700 (in Hebrew).
  3. Schwartz Y., Nativ P., Gendel Y., Lahav o. (2013) A new process for ammonia removal from anaerobic lagoons swine waste effluents. Water and Irrigation, 527, 28-31 (in Hebrew).
  4. Klas S., Dubowski Y and Lahav O. (2011) Toward safe removal of heavy metals from wastewater. Ecology & Environment, 2(4), 258-264 (peer reviewed, in Hebrew).
  5. Tarchitzky, Cochva, M and Lahav O. (2010) Drawbacks of agricultural irrigation with treated wastewaters from desalinated water origin. Water Engineering, 67: 36-44 (in Hebrew).
  6. Ostfeld A., Salomons E., and Lahav O. (2010). Chemical stability inclusion in optimizing the operation of water networks. Proceedings of the 12th WDSA Conference, Tucson, USA.
  7. Lahav O. and Semiat R. Reflecting on water and energy budgets. (2010). Ecology and the Environment, Vol. 1, p. 82-83 (in Hebrew).
  8. Lew B., Falah S., Revhun M., Sheindorf C., Kumel M. and Lahav O. (2008). Deliberate struvite precipitation downstream of anaerobic digestion reactors for both phosphorus reuse and minimization of operational problems. Water and Irrigation, 5026: 16-18 (in Hebrew).
  9. Birnhack L., Penn R., Fridman N., David Y. and Lahav O. (2007) A novel process for adjusting desalinated water to the new water quality regulations + magnesium. Water and Irrigation, Vol. 496, p. 18-20 (in Hebrew).
  10. Birnhack L, Rebhun M, Shaw E., and Lahav O. (2006) Criteria for the quality requested from desalinated water following post treatment – Part 2. Water and Irrigation, Vol. 480, p. 16-21 (in Hebrew).
  11. Birnhack L, Rebhun M, Shaw E., and Lahav O. (2006) Criteria for the quality requested from desalinated water following post treatment – Part 1. Water and Irrigation, Vol. 479, p. 20-27 (in Hebrew).
  12. Lahav O, Shlafman E. and Loewenthal R. (2002) Development of an accurate titration method to measure VFA concentrations in anaerobic reactors. Water and Irrigation Engineering. Vol. 22, p. 31-39 (in Hebrew).
  13. Loewenthal RE, Morgan BE and Lahav O. (2001) Iron and heavy metals in acid mine drainage waters – equilibrium and treatment considerations. Water Sewage and Effluent. 21(1) 15-23.
  14. Lahav O. and Green M. (1998). Development of a physical-chemical-biological treatment to remove ammonium from wastewater. Water Technologies, Vol. 37, p. 41-44 (in Hebrew).
  15. Lahav O., Rom D., Ravina I. (1998) Wastewater reuse in the urban sector: quality and quantity considerations. Water and Irrigation, Vol. 39, p. 32-36 (in Hebrew).
  16. Lahav O., Ravina I., Lahav A., and Rom D (1996). Urban water reuse: assessment of the public support in the city of Haifa. Water Technologies, Vol. 28, p. 20-28 (in Hebrew).

 

Public professional software (freely available from the net)

  • Nir O., Ophek L., Lahav O. (2015) WATRO (Weak Acid Transport Reverse Osmosis simulation program). https://dl.dropboxusercontent.com/u/64822322/WATRO.zip.
  • Nir, Birnhack L., Telzhensky M., Lahav O. (2014) Algorithm for design and optimization of struvite precipitation from nutrient-rich steams. http://tx.technion.ac.il/~agrengn/agr/Struvite_Program.zip
  • Lahav O., Morgan B.E. and Loewenthal R.E. (2002) 8-point Titration Method for Measurement of Carbonate Alkalinity and VFA in Anaerobic Reactors. A user-friendly computer program for control of anaerobic digestion plants. Available from http://www.technion.ac.il/technion/agr/VFA/vfa.htm.

 

Honors

  • 2007 Hershel Rich Technion Innovation Award for the work “Development of a cost effective and advantageous post treatment process for desalinated water”.
  • 2007 Patent No.2005/10110, Acid Mine Drainage treatment was the recipient of the Innovation Fund Patent Incentive Fund award of the South African Government.
  • 2010 Recipient of the France-Israel Foundation Award for Academic Excellence in the field of Water.
  • 2014 Hershel Rich Technion Innovation Award for the work “A novel and advantageous approach for operating intensive fish production systems”.
  • 2016 Distinction of excellence for teaching the course “Aquatic Chemistry” at Technion (upper 12% grade in students’ survey).
  • 2020 Distinction of excellence for teaching the course “Aquatic Chemistry” at Technion (upper 12% grade in students’ survey).
  • 2022 Hershel Rich Technion Innovation Award for the work “DistanSea – Live seafood transport solutions” (with Raz ben Asher and Paz Nativ).

 

Patents

  1. Lahav Ori, Nativ Paz, Ben-Asher Raz. (2021) Materials For Absorbing Ammonium and Alkali Cations for Water and Wastewater Treatment and Extraction Systems, U.S Provisional patent #63/202,738, filed on 22.6.2021.
  2. Lahav O., Nativ Paz. Birnhack Liat, Nir Oded. (Filed 30.3.2017) Method for separation of magnesium and calcium ions from saline water, for improving the quality of soft and desalinated waters. Granted in Israel (2019, #244854) and the USA (2022, #11,279,643), filed in Europe.
  3. Lahav O., Ben Asher R., Gendel Y., Birnhack L. (2016). Disinfection and removal of nitrogen species from saline aquaculture systems. US10980220B2.
  4. Green M., Epsztein R., Nir O., Lahav O. (2015) Removal of nitrate from groundwater using a hybrid nanofiltration-reverse osmosis system. US #10,766,900 B2, Sep. 8, 2020, filed in Israel and Europe.
  5. Lahav O., Gendel Y., Mozes N., Perlberg A. and Hanin Y. (2010) Physico-chemical process for removal of nitrogen species from recirculated aquaculture systems (RAS). PCT WO 2012/066554 filed on 17/11/2011; Granted in the European patent office, USA (US9,560,839.) and Chile.
  6. Lahav O., Birnhack L. Addition of Mg2+ to desalinated water (re-mineralization) using the reject of nanofiltration (NF) or low salt-rejection reverse osmosis (RO) membranes. May 13, 2010. Granted in Israel, Singapore and Australia.
  7. Lahav, O., Birnhack, L., Kochva, M., Penn, R. (2008). Post treatment for desalinated water for balanced water composition supply. 29pp. Granted in Israel, China, Australia, Mexico and Singapore. WO2008050319.
  8. Acid Mine Drainage treatment. Patent No.2005/10110 in the name of UCT/WRC, Loewenthal, Morgan and Lahav. Granted in South Africa and Australia.

 

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