Treatment of wastewater containing cyclohexane carboxylic acid by the three-phase biological fluidized bed process

doi:10.11894/1005-829x.2015.35(11).041

INDUSTRIAL WATER TREATMENT ›› 2015, Vol. 35 ›› Issue (11): 41-44. doi: 10.11894/1005-829x.2015.35(11).041

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Treatment of wastewater containing cyclohexane carboxylic acid by the three-phase biological fluidized bed process

Wang Chunhua, Shi Shuian, Lin Wenjun

Department of Chemical Engineering, Huizhou College, Huizhou 516007, China

Received:2015-09-18 Online:2015-11-20 Published:2015-11-26
Contact: 10.11894/1005-829x.2015.35(11).041

三相生物流化床处理含环己基甲酸废水

王春花, 石水安, 林文君

惠州学院化学工程系, 广东惠州 516007

作者简介:王春花(1979-),博士,副教授.E-mail:anglar@126.com.
基金资助:
广东省科技计划项目(2011B031000022);惠州市科技计划项目(2011B010003001);广东省高等学校优秀青年教师培养计划(HZXY201401)

Abstract

Abstract:

The wastewater containing cyclohexane carboxylic acid has been treated by the three-phase biological fluidized bed process,using the self-made and modified polyurethane as carrier. The influences of the factors on the degradation course of cyclohexane carboxylic acid are studied. The results show that 120 mg/L of cyclohexane carboxylic acid in the influent has obvious tonic effect on the micro-organisms in the biochemical fluidized bed. The effect could basically be eliminated after acclimated for about two weeks. When the influent COD is l 200 mg/L,the dissolved oxygen in the reactor controlled at 3 mg/L,and volume load<3.14 kg/(m3·d),the effluent can steadily reach the second level requirements specified in the Integrated Wastewater Discharge Standard(GB 8978-1996).

Key words: wastewater containing cyclohexane carboxylic acid, three-phase biological fluidized bed, biodegradation

摘要：

采用内循环三相流化床工艺处理含环己基甲酸废水,以自行研制的改性聚氨酯为载体,研究了各因素对环己基甲酸降解过程的影响.结果表明,进水中120 mg/L环己基甲酸对生物流化床中的微生物有明显的毒害作用,经过2周左右的驯化,毒害可基本消除.在进水COD为1 200 mg/L,反应器内溶解氧控制在3 mg/L,容积负荷< 3.14 kg/(m3·d)时,出水COD可稳定达到《污水综合排放标准》(GB 8978-1996)规定的二级排放标准.

关键词: 环己基甲酸废水, 三相生物流化床, 生物降解

CLC Number:

X703.1

Wang Chunhua, Shi Shuian, Lin Wenjun. Treatment of wastewater containing cyclohexane carboxylic acid by the three-phase biological fluidized bed process[J]. INDUSTRIAL WATER TREATMENT, 2015, 35(11): 41-44.

王春花, 石水安, 林文君. 三相生物流化床处理含环己基甲酸废水[J]. 工业水处理, 2015, 35(11): 41-44.

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URL: https://www.iwt.cn/EN/10.11894/1005-829x.2015.35(11).041

https://www.iwt.cn/EN/Y2015/V35/I11/41

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