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Environ Technol. 2016 Feb;37(4):446-451. doi: 10.1080/09593330.2015.1026245. Epub 2015 Apr 16.

Sulphate control by ettringite precipitation in textile industry wastewaters.

Environmental technology

Işık Kabdaşlı, Azra Bilgin, Olcay Tünay

Affiliations

  1. a Environmental Engineering Department, Civil Engineering Faculty , ?stanbul Technical University , Ayaza?a Campus, 34469 ?stanbul , Turkey.

PMID: 25833738 DOI: 10.1080/09593330.2015.1026245

Abstract

In the present study, ettringite precipitation was theoretically and experimentally evaluated as a means of sulphate removal. The results showed that ettringite precipitation is an effective and reliable method for sulphate removal. Synthetically prepared samples which were simulated to total wastewaters originating from the textile industry (sulphate concentration of 0.06 M) and to dye bath effluent (sulphate concentration of 0.22 M) were subjected to ettringite precipitation using the systems with Na

Keywords: ettringite; modelling; precipitation; sulphate removal; textile industry wastewater

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