Study on treatment of rubber accelerator wastewater by electrodialysis

化学工业与工程

Chemcial Industry and Engineering

2023, Vol. 40

Issue (3) :41-47 DOI: 10.13353/j.issn.1004.9533.20220311

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Study on treatment of rubber accelerator wastewater by electrodialysis

CHI Lulu, ZHAO Han, WANG Keqiang, CAO Chuanpeng, XIE Lixin

1. School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, China;
2. Tianjin Key Laboratory of Membrane Science and Desalination Technology, Tianjin 300350, China

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Abstract The electrodialysis technology was adopted to treat the rubber accelerator wastewater, and the separation of salt and organic compound was studied. The effects of volume ratio of dilute cell and concentrate cell inlet conductivity of dilute cell, voltage, flow and temperature on electrodialysis separation effect and operation performance were explored. The experimental results show that the mass transfer rate can be improved by increasing the inlet conductivity of dilute cell, voltage, flow and temperature, and the influence of voltage and temperature on the mass transfer rate is more obvious. Increasing the inlet conductivity of dilute cell, flow and temperature, and reducing the voltage can improve the current efficiency and reduce the energy consumption. Under the experimental conditions, the conductivity of the wastewater in the dilute cell is reduced to less than 10 mS·cm^-1, and the COD content is 4 940 mg·L^-1. It effectively realizes the separation of salt and organic compound and meets the requirements of biochemical treatment, which provides a new idea for the treatment of rubber accelerator wastewater.

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	CHI Lulu
	ZHAO Han
	WANG Keqiang
	CAO Chuanpeng
	XIE Lixin

Keywords： electrodialysis rubber accelerator wastewater desalination organic compound

Received 2022-03-31;

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Corresponding Authors: 解利昕,研究员,E-mail:xie_lixin@tju.edu.cn。 Email: xie_lixin@tju.edu.cn

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CHI Lulu, ZHAO Han, WANG Keqiang, CAO Chuanpeng, XIE Lixin.Study on treatment of rubber accelerator wastewater by electrodialysis[J] Chemcial Industry and Engineering, 2023,V40(3): 41-47

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