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Grantee Research Project Results

Heterogeneous Catalysts for Catalytic Wet Air Oxidation

EPA Contract Number: 68D02019
Title: Heterogeneous Catalysts for Catalytic Wet Air Oxidation
Investigators: Roark, Shane E.
Small Business: Eltron Research & Development Inc.
EPA Contact: Richards, April
Phase: I
Project Period: April 1, 2002 through September 1, 2002
Project Amount: $69,997
RFA: Small Business Innovation Research (SBIR) - Phase I (2002) RFA Text |  Recipients Lists
Research Category: Watersheds , SBIR - Water and Wastewater , Small Business Innovation Research (SBIR)

Description:

The objective of this project is to develop advanced heterogeneous catalysts for catalytic wet air oxidation (CWAO) of volatile or toxic organic compounds present in industrial wastewater. Inclusion of catalysts in wet air oxidation systems increases complete destruction of organic compounds and reduces the severity of the operation conditions, resulting in a substantial decrease in processing cost. The technical goals for the proposed catalysts will be to achieve high oxidation activity and stability under relevant conditions with minimal leaching and hydrothermal sintering. The catalysts to be developed are based on metals and metal oxides with low-temperature oxidation activity and inherent water resistance. Activity and chemical and thermal stability will be further promoted with appropriate additives and by compositing the catalysts with hydrophobic materials.

Successful completion of Phase I will identify a range of catalyst compositions capable of significantly reducing the severity of operating conditions during CWAO of volatile or toxic organic compounds. Phase I results also will indicate the sensitivity of catalyst activity to preparation and pretreatment conditions, and indicate the feasibility of producing the catalysts in industrially suitable forms.

The first product to which Eltron Research, Inc., will apply this technology is a catalyst system for decontaminating industrial wastewater. However, derivatives of this product also could be used for municipal and residential water. Furthermore, it is anticipated that this technology will have broad application beyond water treatment. Essentially, this same technology could be used to decontaminate exhaust gas streams from solvent-intensive processes such as spray painting, degreasing, chemical processing, computer chip/device manufacturing, and dry cleaning. Minor modifications of this technology could be applied to the restaurant industry for removing hydrocarbons produced by grills and deep fryers.

Supplemental Keywords:

small business, SBIR, catalysts, wet air oxidation, wastewater, leaching, hydrothermal sintering, toxic, volatile organic compounds, VOCs, exhaust gas stream, hydrocarbons., Scientific Discipline, Water, Chemical Engineering, Environmental Chemistry, Wastewater, Chemistry, Environmental Engineering, Engineering, Chemistry, & Physics, wastewater treatment, industrial wastewater, wastewater remediation, oil/water emulsions, alternative technology, wastewater discharges, aqueous waste, aqueous waste stream, catalytic wet air oxidation

Progress and Final Reports:

  • Final Report
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    The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoints of the principal investigator and may not represent the views and policies of ORD and EPA. Conclusions drawn by the principal investigators have not been reviewed by the Agency.

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    Last updated April 28, 2023
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