EPA Science Inventory

ION EXCHANGE SOFTENING: EFFECTS ON METAL CONCENTRATIONS

Citation:

Sorg*, T J., M R. Schock*, AND D A. Lytle*. ION EXCHANGE SOFTENING: EFFECTS ON METAL CONCENTRATIONS. JOURNAL OF AMERICAN WATER WORKS ASSOCIATION. AWWA Internet, Denver, CO, 91(8):85-97, (1999).

Description:

A corrosion control pipe loop study to evaluate the effect of ion exchange water softening on metal leaching from household plumbing materials was conducted on two different water qualities having different pH's and hardness levels. The results showed that removing hardness ions with a household water softener did not lead to a pattern of higher metal leaching from various home plumbing materials containing lead, copper and zinc. Furthermore, the water softener did not have a detrimental impact on several significant water quality parameters that influence metallic solubility and the rate of corrosion: pH, total inorganic carbon (TIC), dissolved oxygen, chlorine, temperature, and ortho-phosphate.

URLs/Downloads:

Record Details:

Record Type: DOCUMENT (JOURNAL/PEER REVIEWED JOURNAL)
Start Date: 08/01/1999
Completion Date: 08/01/1999
Record Last Revised: 03/31/2006
Record Created: 12/08/2004
Record Released: 12/08/2004
Record ID: 111608

Organization:

U.S. ENVIRONMENTAL PROTECTION AGENCY

OFFICE OF RESEARCH AND DEVELOPMENT

NATIONAL RISK MANAGEMENT RESEARCH LABORATORY

WATER SUPPLY AND WATER RESOURCES DIVISION

TREATMENT TECHNOLOGY EVALUATION BRANCH