Characterization and monitoring of persistent toxic organics in the aquatic environment

被引：12

作者：

Schröder, HF ^{[1
]}

机构：

[1] Aachen Univ Technol, Inst Siedlungswasserwirtschaft, D-52056 Aachen, Germany

来源：

WATER SCIENCE AND TECHNOLOGY | 1998年 / 38卷 / 07期

关键词：

degradation; elimination; hydrogen peroxide; identification; mass spectrometry; ozone; UV radiation;

D O I：

10.2166/wst.1998.0288

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

The effluent of a biological waste water treatment plant containing mainly non-eliminable polar compounds was treated using different types of elimination techniques. Precipitation/flocculation with ferric salts, adsorption onto lignite coke or powdered activated carbon (PAC) were used besides oxidative treatment steps like ozone (O-3) With or without ultraviolet (UV) radiation and hydrogen peroxide (H2O2) in combination with UV for elimination or degradation. Sum parameter analysis and substance-specific flow injection mass spectrometry (FIA/MS) were used for monitoring the elimination efficiency. Tandem mass spectrometry (FIA/MS/MS) was applied for identification. No elimination could be observed under all treatment steps applied, but degradation by oxidative processes led to improved biodegradability. The results of microtoxicity and daphnia magna toxicity testing after O-3/UV und H2O2/UV treatment differed widely. (C) 1988 Published by Elsevier Science Ltd. All rights reserved.

引用

页码：151 / 158

页数：8

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