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Catalytic Detoxification of Gas Effluent


Catalytic Detoxification of Gas Effluent from Destruction of Super Toxic Materials

Tech Area / Field

  • ENV-APC/Air Pollution and Control/Environment
  • CHE-IND/Industrial Chemistry and Chemical Process Engineering/Chemistry

8 Project completed

Registration date

Completion date

Senior Project Manager
Wol'f O V

Leading Institute
State Research Institute of Organic Chemistry and Technology, Russia, Moscow


  • US Army's Edgewood Chemical Biological Center, USA, MD, Aberdeen Proving Ground

Project summary

One of the most important parts of CW destruction technology is off-gas purification from toxic compounds to extremely low concentrations before it can be released into the atmosphere. The best method for such purification is sorption by solid sorbents.

The sorbents with chemical agents adsorbed on their surfaces represent a problem. The sorbents can not be gotten rid off and require additional treatment.

The solution is in development of catalytic sorbents that are able to decompose toxic compounds on their surfaces.

The heterogeneous catalysis on sorbent surface is well known. For example catalytic oxidation is used in a lot of productions to destroy residual organic compounds oxidizing them to carbon oxide and water. Oxidation-reduction is used for removing NOx and SOx from gas releases of a number of thermal productions (heat and power stations). However these processes are run at high temperatures and have no purpose to collect the toxic product from the gas stream. No work, known to us, was conducted to find sorbents collecting vapors of chemical agents and decomposing them on the surface at ambient temperature.

During work under ISTC Project #387 it was noted that some chemical agents underwent decomposition when adsorbed by oxide sorbents.

The purpose of this project is to:
· Develop a method for selecting potential catalytic sorbents;
· Find sorbents that are able to decompose chemical agents on their surface;
· Model the sorption and decomposition processes;
· Optimize the sorbents operation conditions;
· Develop green technology for pollution prevention.

The expected results will contribute to the following areas:
· Technologies for destruction of chemical weapons;
· Domestic preparedness;
· Industrial scrubbers;
· Environmental clean-up and restoration.

The work will be based on the results obtained during implementation of ISTC Project #387. The vapor generator developed under Project #387 was patented jointly with collaborator of the project Dr. Dupont Durst. Development of the new technique will be conducted on a setup of the vapor generator modified for the purpose of the work.

Dr. Dupont Durst is the contact person of the collaborating organization of the new work on catalytic sorbents. Currently details of the joint work in this study are being discussed.


The International Science and Technology Center (ISTC) is an intergovernmental organization connecting scientists from Kazakhstan, Armenia, Tajikistan, Kyrgyzstan, and Georgia with their peers and research organizations in the EU, Japan, Republic of Korea, Norway and the United States.


ISTC facilitates international science projects and assists the global scientific and business community to source and engage with CIS and Georgian institutes that develop or possess an excellence of scientific know-how.

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