Toxicity and bioconcentration potential of adsorbable organic halides from bleached laundering in municipal wastewater

被引：6

作者：

Ong, SK

DeGraeve, GM

SilvaWilkinson, RA

McCabe, JW

Smith, WL

机构：

[1] GREAT LAKES ENVIRONM CTR, TRAVERSE CITY, MI 49684 USA

[2] CLOROX CO, PLEASANTON, CA 94566 USA

[3] IOWA STATE UNIV SCI & TECHNOL, DEPT CIVIL & CONSTRUCT ENGN, AMES, IA 50011 USA

来源：

ENVIRONMENTAL TOXICOLOGY AND CHEMISTRY | 1996年 / 15卷 / 02期

关键词：

hypochlorite; bleach; organic halogens; toxicity; bioconcentration;

D O I：

10.1002/etc.5620150211

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

A study was conducted to assess the formation, biological treatability, toxicity, and bioconcentration potential of adsorbable organic halides (AOX) formed from the use of household bleach during laundering. Following treatment with a bench-scale activated sludge system, approximately 70% of the laundry AOX was removed from the wash water. Removal efficiency of AOX from typical domestic wastewater treated in the same manner was 54%. Chronic bioassays conducted with the treated bleached laundry wash water effluent resulted in no toxicity to fathead minnow or Ceriodaphnia dubia that could be attributed to laundry AOX, even at concentrations 40 times higher than the predicted environmental AOX concentration. Analysis of treated bleached laundry effluent for bioconcentratable organic compounds tentatively identified no bioconcentratable or lipophilic chlorinated hydrocarbons in the treated laundry wash water.

引用

页码：138 / 143

页数：6

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