Dr. Sivan Klas

Dr. Sivan Klas

Dr. Sivan Klas

Department: Biotechnology Engineering
Current Position: Senior Lecturer

Education :

Ph.D.2010, Faculty of Civil and Environmental Engineering, Technion- Israel Institute of Technology, Haifa, Israel. Supervisors: O. Lahav, Y. Dubowski

M.Sc.2005, Technion, Faculty of Agricultural Engineering, Technion- Israel Institute of Technology, Haifa, Israel. Supervisors: O. Lahav, N. Mozes

B.Sc.2003, Cum Laude, Faculty of Chemical Engineering, Technion- Israel Institute of Technology, Haifa, Israel

Research Interests
  • 1. Water Chemistry
  • 2. Environmental engineering
  • 3. Iron Chemistry
Courses
  • 1. Thermodynamics and Kinetics
  • 2. Fluid Mechanics

Refereed Papers

  1. Klas S, Perlberg-Banet A, Smirnov Y, Zivan A, Ophek L, Friedlander Y, Lahav O. A procedure for adjusting grey mullet (Mugil Cephalus Lin.) fingerlings to low-salinity, low-hardness waters for economic and environmentally-friendly inland culture. Aquacultural Engineering 59, 55-63, 2014
  2. Klas S, Kirk D.W. Understanding the positive effects of low pH and limited aeration on selenate removal from water by elemental iron. Separation and Purification Technology 116, 222-229, 2013
  3. Klas S, Kirk D.W. Advantages of low pH and limited oxygenation in arsenite removal from water by zero-valent iron. Journal of Hazardous Materials 252-253, 77-82, 2013
  4. Kirk D.W., Graydon J, Klas S. Temperature effects in Activated Carbon Supercapacitors. Electrochemical Society Transactions 50 (43), 45-51, 2013
  5. Klas S, Dubowski Y, Lahav O. Chemical stability and extent of isomorphous substitution in ferrites precipitated under ambient temperatures. Journal of Hazardous Materials 193, 59-64, 2011
  6. Klas S, Dubowski Y, Pritosiwi G, Gerth J, Calmano W, Lahav O. Extent and mechanism of metal ion incorporation into precipitated ferrites. Journal of Colloid and Interface Science 358, 129-135, 2011
  7. Petrick L, Dubowski Y, Klas S, Lahav O. Stable incorporation of Co2+ into ferrite structure at ambient temperature: effect of operational parameters. Water, Air and Soil Pollution 190, 245-257, 2008
  8. Klas S, Mozes N, Lahav O. A conceptual, stoichiometry-based model for single-sludge denitrification in recirculating aquaculture systems. Aquaculture 259, 328-341, 2006
  9. Klas S, Mozes N, Lahav O. Development of Single-sludge denitrification in recirculating aquaculture systems: comparison between lab-scale results and model prediction. Aquaculture 259, 342-353, 2006
Books
  1.  Lahav O, Birnhak L, Klas S. Fundamentals of aqueous chemistry for environmental and process engineers. Technion Press, Israel (in Hebrew), 2010.

Conference Proceedings and Abstracts

  1. Klas S, Kirk D.W. The effect of aeration on selenate reduction by elemental iron. 2nd International Conference on Environmental Pollution and Remediation, Montreal, Quebec, Canada, 2012
  2. Klas S, Dubowski Y, Kirk D.W., Lahav O. AMD treatment by the ferrite process – opportunities and challenges. 5th Mining and the Environment International Conference, Sudbury, ON, Canada, 2011.
  3. Lahav O, Klas S, Mozes N, Johnson B. Removal of nitrate from marine recirculating aquaculture systems, using solids hydrolysis and denitrification in a single reactor. 5th Recirculating Aquaculture Conference, Roanoke, VA, USA, 2004.

Other Publications

Theses

Ph.D. Removal of heavy metals from industrial wastewater by their stable incorporation into ferrites at ambient temperature: process development and modeling. Technion, Faculty of Agricultural Engineering, October 2010

M.Sc. Development of a cost effective solution to nitrate discharge from intensive aquaculture systems by denitrification using intrinsic organic carbon source. Technion, Faculty of Agricultural Engineering, November 2005

Submitted for Publication

  1. Klas S, Beliavski M, Gluska D, Amara R, Katz I, Lehrer T, Nahir R, Tarre S, Green M. Minimizing brine discharge in a combined biophysical system for nitrate removal from inland groundwater. Separation and Purification Technology
srofessional and Research Reports
  1. Klas S, Lahav O. Six intensive aquaculture farms – monitoring project report to the Ministry of Agriculture, Israel, 2006

Academic Appointments

3/2015 – Present

Senior ecturer, Biotechnology Engineering, ORT Braude College, Karmiel, Israel

3/2014 – 2/2015

Adjunct Lecturer, Biotechnology Engineering, ORT Braude College, Karmiel, Israel

2/2013 – 8/2014

Post Doctoral Fellow, Civil and Environmental Engineering, Technion, Haifa, Israel. Host: M. Green

11/2010 – 10/2012

Post Doctoral Fellow, Chemical Engineering and Applied Chemistry, University of Toronto, Canada. Host: D.W. Kirk

Teaching Experience

ORT BRAUDE COLLEGE

Undergraduate Courses

2014 – Present        Lecturer, Thermodynamics and Kinetics

2014 – Present       Lecturer, Fluid Mechanics

2014 – Present       Lecturer, Environmental Engineering Lab

TECHNION

Graduate Courses

2008                      Tutor, Environmental Chemistry

Undergraduate Courses

2014                     Tutor, Water Chemistry (International School)

2007                     Tutor, Environmental Micro-Meteorology

2005                     Tutor, Water Chemistry

2005                     Tutor, Introduction to Aquaculture

2004                     Tutor, Drainage Engineering

UNIVERSITY OF TORONTO

Undergraduate Courses

2011                    Teaching Assistant: Applied Chemistry III / Lab

Academic and Professional Awards and Grants

2010-2012           Lyon Sachs Post-Doctoral Fellowship

2007-2010           ISEF Scholarship

2008                    Rieger Foundation Scholarship

2004                    Hertzfeld Scholarship

2004                    Ministry of Agriculture Scholarship

2004                    Rieger Foundation Scholarship

2004                    Gutwirth Foundation Award

2003                    Gal Weisberg Prize GIS Project

2000-2003           Dean’s Honor List

Professional Activities

2013                   Partner, Algae-Art Saline Water Technologies Ltd

2013                   Consultant, Biofishency Ltd

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