Yissum - Research Development Company of the Hebrew University

Novel Process for Purification of Water from Organic and Biological Materials

Posted by Yissum - Research Development Company of the Hebrew UniversityResponsive · Innovative Products and Technologies · Israel

Summary of the technology

Received Kamin March 2016
Project ID : 31-2015-4259

Description of the technology


Chemistry & Materials


Pollution ,PPB, PPM, Superoxide and Hydroxyl Radicals , Waste, Water

Current development stage

TRL4 Technology validated in lab


  • Water pollution is an acute problem.
  • Several methods are currently being used to treat contaminated water that has organic waste as well as bacterial waste. Most of the techniques are based on oxidation using e.g. ozone, photochemical methods, photochemical catalysis, Fenton chemistry or a combination of oxidation and ultraviolet radiation, adsorption and biodegradation.
  • The existing methods has additional limitations such as low effectiveness, hazardous intermediates creation, system’s complexity and cost, long treatment times (days to months) and high costs.

Our Innovation

  • Novel industrial process for polluted water treatment based on a unique proprietary protocol for the generation of superoxide and hydroxyl radicals
  • Simple and inexpensive engineering system.
  • Highly efficient treatment.
  • Handle a wide range of pollutants including organic materials, industrial solvents, drug residues, pesticides and bacteria.
  • Short processing time (between few moments to several hours).
  • No hazardous byproducts are formed.


  • The process is effective for both high and low pollutants’ concentrations ranging from thousands of parts per million (ppm) to several parts per billion (ppb).
  • The process end-products are: water, oxygen, carbon dioxide, and carbonate salts.
  • All intermediate products and final products of the pollutants were identified.


  • Simpler, cheaper and more efficient waste water treatment.
  • Same for Industrial effluents treatment

Project manager

Aviv Shoher

Project researchers

Yoel (Casali) Sasson
HUJI, Faculty of Science
The Institute of Chemistry

Related keywords

  • Materials Technology
  • Chemistry
  • Environment
  • Clean Production / Green Technologies
  • Waste Management
  • Chemicals and Materials
  • Pollution and Recycling Related
  • Cleantech & Environment
  • Water technologies

About Yissum - Research Development Company of the Hebrew University

Technology Transfer Office from Israel

Yissum Research Development Company of the Hebrew University of Jerusalem Ltd. Founded in 1964 to protect and commercialize the Hebrew University’s intellectual property. Ranked among the top technology transfer companies, Yissum has registered over 8,900 patents covering 2,500 inventions; has licensed out 800 technologies and has spun-off 90 companies. Products that are based on Hebrew University technologies and were commercialized by Yissum generate today over $2 Billion in annual sales.

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