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A Case Study for Evaluation of Treated Wastewater for Re-Use in A Plant Storing Chemical and Producing Ligno Product

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Online ISSN: 2147-3781


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Abstract: A wide range of industrial activities involve the use and storage of many different chemicals that can run-off into water and pollute it. These chemicals have the potential to generate a variety of chronic or acute impacts on the environment by the features of reactive, toxic or flammable in form of vapour, gas and solid. During storage facilities, chemical discharge to atmosphere, water and soil causes contamination of land resources and water in aquatic environment. Due to differences in industrial production and storage methods, the characters and amounts of waste water varies with the development of industry. So, wastewater treatment strategies for these differences should be identified separately. Therefore the usage of Sequencing Batch Reactor (SBR) process supported with chemical preliminary precipitation is considered as a practical and economically solution for such industries. So, in this study, a storing chemical products facility, located in the province of Tekirdag and having such a treatment system making a treatment via chemical preliminary precipitation followed by Sequencing Batch Reactor (SBR) process was investigated. Influent and effluent characterization of the treatment system were determined in terms of TSS, COD and color parameters and then removal efficiencies were evaluated of the running plant in terms of re-use of treated water within the plant. According to the results, wastewater occuring from chemical products s torage processes have strong influent characters in terms of COD, TSS and Colour parameters Furthermore, although the treatment system units’ removal efficiencies, calculated as 64 % COD, 77% TSS, 36% Colour for Chemical precipitation and 78% COD, 61% TSS and 47% Colour for Sequencing Batch Reactor (SBR), respectively, were found consistent with the literature, but these values were inefficient to provide both Water Pollution Control Regulation (WPCR) Standarts and in plant reuse water quality. But this treated water quality was found to be agreegable to reuse for external washing of the transport vehicles such as tanker, truck and extc.carried out in the plant. Keywords: Chemical storage, lingo production, reuse water, SBR


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