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Introduction: In recent years, China's synthetic leather industry has developed rapidly, but the pollution of synthetic leather in the production process cannot be ignored. The wastewater contains organic substances such as DMF (dimethylformamide), toluene, methyl ethyl ketone, and dimethylamine. These pollutants have high concentrations, complex components, and stable molecular structures and properties. Therefore, the overall biochemical effect of the wastewater is poor and it is a difficult organism Degradation of wastewater. The DMF organic waste gas produced by the synthetic leather production line has the characteristics of low concentration, fugitive emissions, and high odor. Because DMF is expensive and easily soluble in water, pollution treatment is mainly performed for recycling purposes. This topic collects and sorts out the most practical and advanced synthetic leather wastewater waste gas treatment technology in China for your reference.

Industry characteristics: Synthetic leather industry pollution characteristics

Emission standard: Pollutant emission standard for synthetic leather and artificial leather industry GB 21902—2008

Cleaner Production Standard: Cleaner Production Standard for Synthetic Leather Industry (HJ 449-2008)

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Hu Yuanyuan downloaded the article on July 31: Anaerobic / Anoxic / Aerobic / Coagulation Sedimentation Process ...
Zhang Xiao downloaded the article on July 06: An example of wastewater treatment project with high nitrogen content synthetic leather
Zhang Xiao downloaded the article on July 06: the synthetic leather plant methylamine wastewater treatment process is blown ...
Zhang Xiao downloaded the article on July 06: DMF exhaust gas treatment technology for synthetic leather dry production line ...
Zhang Xiao downloaded the article on July 06: Hydrolytic acidification + contact oxidation treatment of synthetic leather waste ...
Zhang Xiao downloaded the article on July 06: Energy-saving recovery of DMF in synthetic leather production wastewater ...
Zhang Xiao downloaded the article on July 06: Anaerobic / Anoxic / Aerobic / Coagulation Sedimentation Process ...
Zhang Xiao downloaded the article on July 06: the physical and chemical method for the treatment of dimethylamine wastewater from synthetic leather mills ...
Zhang Xiao downloaded the article on July 06: Biochemical + blow-off process for treating PU leather wastewater ...
Zhang Xiao downloaded the article on July 06: Recovery and treatment of DMF in synthetic leather mill wastewater ...

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Our institute now has three national key environmental protection practical technology demonstration projects, one national key environmental protection practical technology, three advanced environmental protection practical technologies in Fujian Province, and a number of patented technologies.

Fujian Gaoke Environmental Protection Research Institute Co., Ltd. Application Examples

Xiamen Hongxin Microfiber Material Co., Ltd. synthetic leather wastewater treatment project Enhanced biological combined process for treating synthetic leather industrial wastewater

Changzhou Yongxin Environmental Engineering Co., Ltd. is an engineering company specializing in the provision of technologies and related equipment for atmospheric treatment, sewage treatment, noise treatment, corrosion protection and heat preservation, and is committed to thermal power plants, waste incineration power plants, cement plants, petroleum, chemical, leather, paper Users in the pharmaceutical, pharmaceutical and other industries provide advanced environmental protection auxiliary systems, complete with complete services and comprehensive solutions.

Application examples of Changzhou Yongxin Environmental Engineering Co., Ltd.

High-efficiency packed tower absorbs DMF in exhaust gas

Shandong Palidi Environmental Protection Engineering Co., Ltd. is a high-tech enterprise dedicated to the development and application of environmental protection technology, undertaking various environmental pollution treatment projects and processing of complete sets of equipment. The DDBD technology with independent intellectual property rights uses double dielectric barrier discharge (Double Dielectric Barrier Discharge (DDBD) is used to generate plasma, and the density of the generated plasma is 1500 times that of other technologies. This technology was successfully developed by Peridi and Fudan University.

Application examples of Shandong Palidi Environmental Protection Engineering Co., Ltd.

Dimethylamine waste gas treatment project of Zhejiang Hexin Industrial Group Co., Ltd. DBD low temperature plasma waste gas treatment technology

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1st floor pvc 2012-04-15

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2nd floor He Ting's review article Analysis on the treatment of synthetic leather wastewater by hydrolysis acidification + contact oxidation

Why do you have 3 decibels

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3rd floor undefined Comment article Biochemical + blow off process for PU leather wastewater engineering practice2012-03-20

The blowing process has been quite mature in the application of tannery wastewater treatment. The blowing process is mainly aimed at volatile substances, such as ammonia nitrogen and volatile organic molecules. This scheme is quite useful for scholars.

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