天然混凝剂去除纺织废水中COD和色度的比较。

IF 1 4区环境科学与生态学 Q4 ENVIRONMENTAL SCIENCES

Global Nest Journal Pub Date : 2013-01-01 DOI:10.30955/gnj.001002

Himanshu Patel, R. Vashi

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引用次数: 46

摘要

考虑到排放量和废水成分，纺织工业产生的废水被评为所有工业部门中污染最严重的。研究了用天然混凝剂苏利亚那籽粉(SSP)、玉米籽粉(MSP)和壳聚糖(壳聚糖)去除纺织废水中的COD和颜色。研究了混凝剂用量、絮凝时间和温度对混凝效果的影响。考察了污泥体积指数(SVI)和浊度的不同影响。SSP对COD和色度的去除效果优于壳聚糖和MSP，考虑到SVI和浊度，壳聚糖的去除效果优于SSP和MSP。SSP对COD的去除率为75.6，对颜色的去除率为62.8。

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Comparison of naturally prepared coagulants for removal of COD and color from textile wastewater.

The wastewater generated by the textile industry is rated as the most polluting among all industrial sectors considering both volumes discharged and effluent composition. Present investigation intended for COD and color removal from textile wastewater using naturally prepared coagulants i.e. Surjana Seed Powder (SSP), Maize Seed Powder (MSP) and Chitosan. Effect of coagulant dose, flocculation time and temperature has been studied. The Sludge Volume Index (SVI) and turbidity were examined for various effects. SSP was more effective than Chitosan and MSP for the removal of COD and color and also, Chitosan was more efficient than SSP and MSP considering SVI and turbidity. Maximum percentage reduction corresponds to 75.6 and 62.8 was obtained for removal of COD and color respectively, using SSP.

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来源期刊

Global Nest Journal 环境科学-环境科学

CiteScore

1.50

自引率

9.10%

发文量

100

审稿时长

>12 weeks

期刊介绍： Global Network of Environmental Science and Technology Journal (Global NEST Journal) is a scientific source of information for professionals in a wide range of environmental disciplines. The Journal is published both in print and online. Global NEST Journal constitutes an international effort of scientists, technologists, engineers and other interested groups involved in all scientific and technological aspects of the environment, as well, as in application techniques aiming at the development of sustainable solutions. Its main target is to support and assist the dissemination of information regarding the most contemporary methods for improving quality of life through the development and application of technologies and policies friendly to the environment