Novel Pervaporation System for Recovery of Organics from Hazardous Waste Streams

EPA Contract Number: 68D50070
Title: Novel Pervaporation System for Recovery of Organics from Hazardous Waste Streams
Investigators: Ray, Rod
Small Business: Bend Research Inc.
EPA Contact: Manager, SBIR Program
Phase: I
Project Period: September 1, 1995 through March 1, 1996
Project Amount: $65,000
RFA: Small Business Innovation Research (SBIR) - Phase I (1996) RFA Text |  Recipients Lists
Research Category: Hazardous Waste/Remediation , SBIR - Waste , Small Business Innovation Research (SBIR)


The U.S. chemical industry accounts for over 200 million tons/year of hazardous liquid waste containing organic chemicals. These waste streams are difficult to treat using conventional technologies such as carbon adsorption and steam stripping. Membrane processes -- particularly pervaporation -- offer energy and cost advantages over conventional techniques. However, current pervaporation membrane-module designs limit the driving force for organic removal, module materials are damaged by the organics, and module costs are high.

Bend Research is now pursuing development of a novel pervaporation module design for this application. A key component is a solvent-resistant pervaporation module that overcomes the drawbacks of current pervaporation modules. This low-cost module is the key element in an innovative system design for the production of dischargeable water while economically recovering a concentrated organic stream for further separation or direct re-use. Preliminary tests and modeling indicate that this system has operating advantages that will make it cost-effective for treatment of waste waters.

The Phase I goal is to demonstrate the feasibility of their approach by making and testing small-scale hollow-fiver pervaporation modules based on solvent-resistant materials. They will also perform parametric tests with theses modules in the new system design, identifying the operating conditions and parameters that maximize performance.

Supplemental Keywords:

small business, SBIR, engineering, chemistry., RFA, Scientific Discipline, Waste, Water, Chemical Engineering, Wastewater, Environmental Chemistry, Chemistry, Hazardous Waste, Hazardous, Engineering, Chemistry, & Physics, Environmental Engineering, hazardous waste disposal, hazardous waste management, hazardous waste treatment, wastewater treatment, hazardous liquid waste, recovery of organic chemicals, advanced treatment technologies, industrial wastewater, industrial waste, hazardous organic contaminants, chemcial industry, membrane processes, recovery of organics, alternative technology, organic compounds, pervaporation system, treatment, organic chemicals, wastewater discharges, hazardous chemicals, water treatment, disposal, aqueous waste stream

Progress and Final Reports:

  • Final