Removal of Chlorine Dioxide By-products from Drinking Water

EPA Contract Number: 68D00033
Title: Removal of Chlorine Dioxide By-products from Drinking Water
Investigators: Bubnis, Bernard P.
Small Business: Novatek
EPA Contact: Manager, SBIR Program
Phase: I
Project Period: August 1, 1990 through February 1, 1991
Project Amount: $50,000
RFA: Small Business Innovation Research (SBIR) - Phase I (1991) RFA Text |  Recipients Lists
Research Category: Water and Watersheds , SBIR - Water and Wastewater , Small Business Innovation Research (SBIR)

Description:

The 1986 amendments to the Safe Drinking Water Act requires 99.99% inactivation of Giardia. Water treatment facilities that utilize surface water will have to use ozone or chlorine dioxide to be cost effective in meeting the new regulations.

The specific aims of this project are to evaluate the proce- dures for elimination of chlorite ion and chlorate ion by- products when chlorine dioxide is used in drinking water treatment These specific aims are: 1. improve analytical methodology and instrumentation; 2. removal of CIO2- and CIO3 by using appropriate chemistry; 3. tuning CIO2- generators for maximum chlorine dioxide production.

Novatek will develop analytical methods and instrumenta- tion for the accurate determination of low level concentra- tions of chlorite ion and chlorate ion resulting from the generation and/or use of chlorine dioxide in the purification of drinking water. Novatek will also develop technology for the removal of chlorite ion from drinking water by using appropriate oxidation-reduction chemistry. Finally Novatek will develop the necessary expertise and service personnel such that it can routinely visit water treatment facilities in the United States and provide the above services by carrying out the appropriate chemical analyses, chlorine dioxide generator tuning and training in the new analytical instru- mentation and methodology.

Supplemental Keywords:

RFA, Scientific Discipline, Toxics, Water, Chemical Engineering, Environmental Chemistry, Chemistry, Analytical Chemistry, Chemistry and Materials Science, Drinking Water, EPCRA, Engineering, Environmental Engineering, Engineering, Chemistry, & Physics, chlorine dioxide, removal of chlorine dioxide by-products, chlorinated by products, Chlorine, chlorite ion, chlorine dioxide by-products, chlorine ion, chlorate ion, chlorite ion by-product, chlorinated DBPs, chlorine-based disinfection, treatment, disinfection byproducts (DBP), chlorine disinfection alternatives, DBP risk management, chlorate ion by-product, other - risk management

Progress and Final Reports:

  • Final