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温度两级厌氧反应系统对精对苯二甲酸废水的处理

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马凯丽, 李相昆, 张杰. 温度两级厌氧反应系统对精对苯二甲酸废水的处理[J]. 环境工程学报, 2018, 12(2): 482-487. doi: 10.12030/j.cjee.201707189
引用本文: 马凯丽, 李相昆, 张杰. 温度两级厌氧反应系统对精对苯二甲酸废水的处理[J]. 环境工程学报, 2018, 12(2): 482-487. doi: 10.12030/j.cjee.201707189
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MA Kaili, LI Xiangkun, ZHANG Jie. Treatment of purified terephthalic acid wastewater using temperature staged anaerobic digestion system[J]. Chinese Journal of Environmental Engineering, 2018, 12(2): 482-487. doi: 10.12030/j.cjee.201707189
Citation: MA Kaili, LI Xiangkun, ZHANG Jie. Treatment of purified terephthalic acid wastewater using temperature staged anaerobic digestion system[J]. Chinese Journal of Environmental Engineering, 2018, 12(2): 482-487. doi: 10.12030/j.cjee.201707189
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温度两级厌氧反应系统对精对苯二甲酸废水的处理

  • 1.

    哈尔滨工业大学城市水资源与水环境国家重点实验室,哈尔滨150090

  • 基金项目:

    国家自然科学基金资助项目(51478138)

    国家高技术研究发展计划(863)项目(2012AA063503)

Treatment of purified terephthalic acid wastewater using temperature staged anaerobic digestion system

  • 1.

    State Key Laboratory of Urban Water Resource and Environment, Harbin Institute of Technology, Harbin 150090, China

  • Fund Project:

  • 摘要: 通过分别提高精对苯二甲酸(PTA)生产废水中不同组分的含量,考察了高温-中温两级厌氧系统对4种PTA废水水质的适应情况。研究结果表明,当苯甲酸、乙酸以及对苯二甲酸含量增加时,废水经过温度两级厌氧系统处理,有机物依然能得到高效稳定的去除,且处理后的出水COD含量低于100 mg·L-1,COD去除率则稳定在95%以上。而对甲基苯甲酸含量的提升则对系统的运行效果影响显著,经过两级厌氧处理,依然有约25%的对甲基苯甲酸未被降解。说明在PTA废水的厌氧处理中,对甲基苯甲酸的降解是提升系统总有机物去除效率的关键,也是我们今后研究工作的重点。
    Abstract: In this study, we investigated the operation effects of thermophilic-mesophilic staged anaerobic system in treating four different purified terephthalic acid wastewater by changing the organic composition content. The results revealed that all the organics could still be high-efficiently removed when the concentration of benzoate, acetate and terephthalic acid increased. The COD in effluent was as low as 100 mg·L-1, while the COD removal efficiency was stabled at over 95%. However, the increase of p-toluic acid concentration made an obvious influence on the overall operation, there was still 25% p-toluic acid left in the effluent after system treatment. Therefore, the degradation of p-toluic acid was believed one of the most critical factor for the promotion of overall organics removal efficiency, which will also be our emphasis to solve in the following research.
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  • 刊出日期:  2018-02-08

温度两级厌氧反应系统对精对苯二甲酸废水的处理

  • 1. 哈尔滨工业大学城市水资源与水环境国家重点实验室,哈尔滨150090
基金项目:

国家自然科学基金资助项目(51478138)

国家高技术研究发展计划(863)项目(2012AA063503)

摘要: 通过分别提高精对苯二甲酸(PTA)生产废水中不同组分的含量,考察了高温-中温两级厌氧系统对4种PTA废水水质的适应情况。研究结果表明,当苯甲酸、乙酸以及对苯二甲酸含量增加时,废水经过温度两级厌氧系统处理,有机物依然能得到高效稳定的去除,且处理后的出水COD含量低于100 mg·L-1,COD去除率则稳定在95%以上。而对甲基苯甲酸含量的提升则对系统的运行效果影响显著,经过两级厌氧处理,依然有约25%的对甲基苯甲酸未被降解。说明在PTA废水的厌氧处理中,对甲基苯甲酸的降解是提升系统总有机物去除效率的关键,也是我们今后研究工作的重点。

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