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Expert Review of Chinese chemical 2024年第1期2卷 27-33页

作者： Mengyi Xie Tao Yu Zhang Meng College of Materials Science and Engineering Liaoning University of Technology

The main treatment methods of chemical wastewater were ***,chemical,and biochemical treatment technologies effective for removing those pollutants were presented with their applicability,effectiveness and *** problems facing the wastewater treatment in the petroleum chemical industry and coal chemical industry were *** the end,the new progress and trend of the processes were overviewed.

关键词： chemical wastewater treatment technique research progress

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Troubleshooting and Optimization of High-Strength Inhibitory chemical wastewater Treatment Process

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Chinese Journal of chemical Engineering 2005年第6期13卷 800-808页

作者：严月根 Calvert C.Churn 何光辉郑巧庚 Philip C.Y.Wong Nanjing SembCorp SUIWU Co Ltd Nanjing Chemical Industry Park Nanjing 210047China Eastman chemical Co. KingsportTNUSA SembCorp Utilities Pte Ltd 60 Admiralty Road West #02-01Singapore 759947

wastewaters from the chemical industry are usually of high-strength and may contain minor inhibitory and recalcitrant organics that are at times not readily identifiable. This paper describes the experience of a biological waste water treatment plant （WWTP） processing a COD concentration of 43000 mg·L^-1 wastewater from an oxochemical manufacturing plant. Stage improvements of the plant process by dilution of the inhibitory influent using other chemical wastewater streams resulting in a synergistic process effect, and removal of inhibitory organics by phase separation via acidification, effectively achieved process optimization producing a high quality effluent. In particular, the COD removal efficiency of granular sludge based anaerobic reactors increased from 56% to 90%. The final effluent COD decreased from 250mg·L^-1 to 50mg·L^-1, consistently meeting the COD concentration of 100 mg·L^-1 regulatory discharge limit. The success of the process enhancements supports the hypothesis that long-chain quaternary carboxylic acids act as substrate inhibitors in the biological process.

关键词： operational experience waste water treatment plant (WVCTP) granular sludge chemical wastewater inhibitory recalcitrant long-chain quaternary carboxylic acids

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A Review of chemical Industry wastewater Treatment

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International Journal of Technology Management 2015年第3期 107-109页

作者： Wei XIA Hainan Institute of Science and Technology Haikou Hainan 571126 China

With the development of China＇ s industry, the domestic industrial parks greatly emerge and thus give rise to the diversity of pollutants in chemical wastewater. In this paper, the main sources of China＇ s chemical industry wastewater, main pollutants types and the wastewater characteristics of the chemical industry＇ s different branches are introduced, the related technologies and methods mainly applied to chemical industry wastewater treatment at home and abroad are analyzed and the application of different chemical wastewater treatment process is explained, and also all sorts of treatment technologies, methods, and processes are reviewed, and finally the study achievements and problems of all technol^ogies are concluded.

关键词： chemical wastewater treatment technologies problem

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