Processing process and processing system of high-concentration organic wastewater with rubber chemicals
A technology for organic wastewater and rubber additives, applied in multi-stage water treatment, water/sewage treatment, biological water/sewage treatment, etc. Conducive to large-scale implementation, simple operating conditions, and small footprint
Pending Publication Date: 2018-06-29
苏州依斯倍环保装备科技有限公司
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Problems solved by technology
Due to the high content of organic pollutants in the wastewater, and the strong toxicity of sodium chloride and accelerators to microorganisms, the biochemical treatment is very difficult, so the treatment of this type of wastewater is mostly based on physical and chemical treatment processes such as distillation and wet oxidation. Mainly, these treatment processes have high investment and operating costs, large floor space, and harsh operating conditions, which are not conducive to large-scale implementation
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[0037] The technical solutions of the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the present invention.
[0038] The process and system for treating high-concentration organic wastewater containing rubber additives disclosed in the present invention can treat the high-concentration organic wastewater containing rubber additives so that it can be discharged up to the standard.
[0039] Such as figure 1 As shown, a treatment process for high-concentration organic wastewater of rubber additives comprises the following steps:
[0040] Step S1, removing the salinity in the organic wastewater, and adjusting the pH value of the organic wastewater after removing the salinity to 3.0-3.5;
[0041] Specifically, the high-concentration organic wastewater of rubber additives contains high-concentration salt, mainly sodium salt, and the pH value of the organic wastewater ranges from 7.0 to 8.0. In or...
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The invention discloses a processing process and a processing system of high-concentration organic wastewater with rubber chemicals. The processing process comprises steps of removing salt in the wastewater and regulating pH; performing activated carbon catalyst catalysis oxidation reaction on the wastewater and regulating pH; removing suspended matters in the wastewater; removing COD and salinityin the wastewater; removing COD and organic matters in the wastewater; and deeply oxidizing the wastewater and adding H2O2 and then discharging. The processing process can treat high-concentration organic wastewater with rubber chemicals and discharge the wastewater reaching the standard. The processing system has the advantages of being low in cost, occupying a small area, simple operation conditions, and being suitable for large-scale treatment.
Description
technical field [0001] The invention relates to the technical field of wastewater treatment, in particular to a treatment process and system for high-concentration organic wastewater of rubber additives. Background technique [0002] Rubber additives are additives for rubber processing, including vulcanizing agents, vulcanization accelerators, etc. The wastewater of rubber additives mainly comes from the washing process and filtering mother liquor. The COD (Chemical Oxygen Demand, chemical oxygen demand) in the wastewater is very high. The wastewater not only contains various accelerators but also aniline, toluene, and cyclohexylamine in the production process. , tert-butylamine and other by-products, which also contain a relatively high concentration of sodium salt, which belongs to high-concentration refractory organic saline wastewater. Due to the high content of organic pollutants in the wastewater, and the strong toxicity of sodium chloride and accelerators to microorg...
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IPC IPC(8): C02F9/14C02F101/30
CPCC02F9/00C02F1/52C02F1/66C02F1/76C02F1/725C02F1/722C02F1/001C02F1/04C02F2001/007C02F2101/30C02F3/2846C02F2301/08
Inventor 陈俊
Owner 苏州依斯倍环保装备科技有限公司