DESIGNING AND EVALUATION OF BIOLOGICAL TREATMENT PLANT FOR TEXTILE INDUSTRIAL EFFLUENT

Engineering Heritage Journal Pub Date : 2021-03-16 DOI:10.26480/gwk.01.2021.22.25

T. Hussain, A. Nasir, Ch. Arslan, Rizwan Haider

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Abstract

This study focuses on the reduction of COD, BOD, TDS, TSS, cadmium, lead, arsenic, chloride, and sulphate in textile industries. Microbial presence in the wastewater can treat effectively by providing a favorable environment. Solids Retention Time (SRT) is a key functioning element that affects the AS process efficacy. The efficiency of pH, BOD, COD, TDS, TSS, cadmium, lead, arsenic, chloride, and sulphate is taken into measure. Engineering-oriented approach was adopted to treat the aforesaid parameters through the inoculation of microbes in the biological treatment process. The designed Effluent treatment plant was based on screening, equalization, neutralization, aeration/ biological reactor and biological sedimentation. Treatment proves to be more efficient by the addition of cationic and anionic polymer i.e. Coagulant and flocculant. Overall, the efficiency of the designed treatment is taken into COD, BOD, TDS, TSS, cadmium, lead, arsenic, chloride, and sulphate 86.6%, 88.59%, 63.86%, 89.25%, 94.12%, 98.36%, 50%, 33% and 41% respectively. Statistical analysis has been performed that shows Correlation is high with BOD, TDS, TSS, Cd, lead, and As except chloride. in aforesaid parameter if concentration is decreased it means COD concentration will also decreased and has directly proportional relation with each other. As a result of the designed effluent treatment plant, treated effluent is discharged that has no significant negative impacts on the environment.

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纺织工业废水生物处理厂的设计与评价

本文主要研究了纺织工业中COD、BOD、TDS、TSS、镉、铅、砷、氯化物和硫酸盐的减少。微生物的存在可以通过提供良好的环境来有效地处理废水。固体保持时间(SRT)是影响AS工艺效果的关键功能因素。测量了pH、BOD、COD、TDS、TSS、镉、铅、砷、氯化物和硫酸盐的效率。采用工程化的方法，在生物处理过程中通过接种微生物对上述参数进行处理。设计的污水处理厂是基于筛选、均衡、中和、曝气/生物反应器和生物沉淀。事实证明，通过添加阳离子和阴离子聚合物即混凝剂和絮凝剂，处理更有效。总体而言，设计的处理方案对COD、BOD、TDS、TSS、镉、铅、砷、氯化物、硫酸盐的去除率分别为86.6%、88.59%、63.86%、89.25%、94.12%、98.36%、50%、33%和41%。统计分析表明，除氯化物外，与BOD、TDS、TSS、Cd、铅、As的相关性较高。上述参数中浓度降低，则COD浓度也会降低，两者成正比关系。由于设计的污水处理厂，处理后的污水排放对环境没有显著的负面影响。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Engineering Heritage Journal

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0.00%

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审稿时长

12 weeks