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Study on Water Quality Stabilization in Reclaimed Water of Chemical Fiber Reused for Industrial Circulating Cooling Water

Author: WangFang
Tutor: ChenKang
School: East China University of Science and Technology
Course: Environmental Science and Engineering
Keywords: reclaimed water of chemical fiber COD ammonia nitrogen heterotrophic bacteria
CLC: X78
Type: Master's thesis
Year: 2012
Downloads: 46
Quote: 3
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Abstract


With the rapid development of the chemical fiber enterprise, a lot of waste water has been produced. Reclaimed water reused in cooling water system becomes a crucial step to save energy and reduce emissions, improve the social benefits, environmental benefits and economic benefit in chemical fiber enterprise.According to the characteristics of the reclaimed water of chemical fiber, COD and ammonia nitrogen and heterotrophic bacteria are researched in this paper. The influence on the corrosion of the carbon steel and heterotrophic bacteria growth in solution with different concentration of COD are researched in this paper; and this paper also researched the corrosion of the carbon steel in the solution of ammonia nitrogen. Through the experiment of corrosion and sterilization experiment,it search for the right corrosion inhibitor, fungicide used in the circulation system. According to the laboratory research and practice experience,try to develope a set of scheme to control the make-up water be used in industrial recirculating cooling water system, and applicate the scheme in the industrial recirculating cooling water system of chemical fiber Co. LTD.It is proofed that this scheme can make the circulation system operate safely and stably.

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CLC: > Environmental science, safety science > Processing and comprehensive utilization of waste > Chemical industry,waste disposal and comprehensive utilization
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