化纤厂PTA废水处理污泥生物减量效果及影响因子

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Abstract In this study, microbial reduction method was used to determine the optimal reduction effect. The results showed that under the condition of one-time feeding, equipment temperature controlled at 60℃ and the dosage of microbial agent accounted for 4% of the dry weight of sludge, the optimal reduction effect was:the water, dry matter and toxic substances (i.e. Co) reduction rate reached 79.4%, 22%, and 9%, respectivity. Based on correlation analysis and principal component analysis, temperature, electrical conductivity, humic/fulvic acid ratio, carbon/nitrogen ratio and dissolved organic carbon, as well as 8genera (i.e. Novosphingobium, Nitrospira, Azohydromonas, Gemmatimonas, Pseudomonas, Pelotomaculum, Paeniglutamicibacter and Weissella) were determined as the key factors affecting the bio-reduction effect. The research results provide a scientific basis for the bio-reduction ofPTA sewage sludge in chemical fiber plants.

Key words： PTA sludge biological reduction reduction effect influencing factors

Received: 14 October 2019

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X705

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	SHEN Yue
	HU Xiu-ren
	TIAN Gan-pei
	BIAN Bo

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SHEN Yue,HU Xiu-ren,TIAN Gan-pei等. Study on bio-reduction effect and influenceingfactors of PTA sewage sludge in chemical fiber plant[J]. CHINA ENVIRONMENTAL SCIENCECE, 2020, 40(5): 2140-2147.

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http://www.zghjkx.com.cn/EN/ OR http://www.zghjkx.com.cn/EN/Y2020/V40/I5/2140

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