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Titolo:
Decolorization of wastewater
Autore:
Hao, OJ; Kim, H; Chiang, PC;
Indirizzi:
Univ Maryland, Dept Civil & Environm Engn, College Pk, MD 20742 USA Univ Maryland College Pk MD USA 20742 ronm Engn, College Pk, MD 20742 USA
Titolo Testata:
CRITICAL REVIEWS IN ENVIRONMENTAL SCIENCE AND TECHNOLOGY
fascicolo: 4, volume: 30, anno: 2000,
pagine: 449 - 505
SICI:
1064-3389(2000)30:4<449:DOW>2.0.ZU;2-P
Fonte:
ISI
Lingua:
ENG
Soggetto:
ACTIVATED-SLUDGE PROCESS; FRUIT BUNCH PARTICLES; REACTIVE AZO-DYE; REMAZOL-BLACK-B; PHANEROCHAETE-CHRYSOSPORIUM; COLOR REMOVAL; AQUEOUS-SOLUTIONS; BAGASSE PITH; ELECTROCHEMICAL TREATMENT; TEXTILE EFFLUENTS;
Keywords:
dye; decolorization; color standards; color measurements; intermediates;
Tipo documento:
Review
Natura:
Periodico
Settore Disciplinare:
Agriculture,Biology & Environmental Sciences
Citazioni:
201
Recensione:
Indirizzi per estratti:
Indirizzo: Hao, OJ Univ Maryland, Dept Civil & Environm Engn, College Pk, MD 20742 USA Univ Maryland College Pk MD USA 20742 n, College Pk, MD 20742 USA
Citazione:
O.J. Hao et al., "Decolorization of wastewater", CR R ENV SC, 30(4), 2000, pp. 449-505

Abstract

The public demand for color-free waste discharge to receiving waters and tougher color standards have made decolorization of a variety of industrial wastes a top priority. Unfortunately, with the complicated color-causing compounds, the decolorization of these wastes is a difficult and challenging task. This article first describes the background information of dye molecules and dye waste characteristics. The methods for color measurements and standards are then discussed. Different techniques including almost all the known physical, chemical and biological techniques are described for decolorization. Each process alone may not be able to meet the requirements. A combination of these processes, for example, chemical-biological, biological-chemical, chemical-physical, chemical-chemical, etc. is often used. The formation of intermediates during the decolorization process is emphasized. These byproducts may be more toxic than the parent compounds. Thus, the extent of the mineralization in waste decolorization should be evaluated.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 06/04/20 alle ore 02:03:06