CASE

CASES

Pulping and papermaking wastewater treatment project of a paper mill in Kunming, Yunnan

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Pulping and papermaking wastewater treatment project of a paper mill in Kunming, Yunnan

Yunnan Kunming Paper Mill Co., Ltd. is a large-scale pulp and paper enterprise that produces bamboo and wood paddles using eucalyptus, pine, and bamboo raw materials, with an annual output of approximately 150000 tons. In the papermaking sector, we use self-produced bamboo and wood pulp and waste paper pulp as raw materials to produce kraft cardboard, with an annual output of approximately 320000 tons.

A pig wastewater treatment project in Changde, Hunan

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A pig wastewater treatment project in Changde, Hunan

The wastewater from a pig farm in Changde, Hunan mainly includes pig urine, some pig manure, and pig house flushing water. It is a high concentration organic wastewater with high suspended solids and ammonia nitrogen content.

Wastewater treatment project of a textile enterprise in Jiangxi

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Wastewater treatment project of a textile enterprise in Jiangxi

The wastewater from a textile enterprise in Jiangxi is the dyeing wastewater of bobbin yarn, which is discharged intermittently. The composition of pollutants in wastewater is complex, containing various pulp additives (surfactants), dyes, fibers, alkalis, bleaches, inorganic salts, etc.

A fine chemical wastewater treatment project in Lianyungang, Jiangsu

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A fine chemical wastewater treatment project in Lianyungang, Jiangsu

Jiangsu Lianyungang Fine Chemical Co., Ltd. is located in the Jiangsu Lianyungang Chemical Industry Park. The company was founded in 2010, and the main source of wastewater is production wastewater and other wastewater, with a total wastewater volume of 700t/d. Production wastewater is 430t/d, and the remaining wastewater mainly consists of exhaust gas spray water, circulating cooling water, ground equipment flushing water, initial rainwater, domestic sewage, soft water concentrated water drainage, etc. The system design adopts the principle of "concentrated water separation and comprehensive treatment", while fully considering the removal of characteristic pollutants such as chlorobenzenes and DMF.

Jiaxing Photovoltaic New Energy Industrial Park Wastewater Treatment Project

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Jiaxing Photovoltaic New Energy Industrial Park Wastewater Treatment Project

The wastewater of this project is mainly photovoltaic new energy wastewater, with a daily treatment capacity of 60 tons. The main pollution factors include fluoride ions, COD, and pH value.

A 40 ton/hour electroplating wastewater treatment project of a certain electrical engineering company in Shaanxi

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A 40 ton/hour electroplating wastewater treatment project of a certain electrical engineering company in Shaanxi

The project was delivered in July 2019, with a designed sewage treatment capacity of 40m3/d and continuous operation.

Zhejiang Chemical Co., Ltd. Pesticide Production Wastewater Treatment Project

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Zhejiang Chemical Co., Ltd. Pesticide Production Wastewater Treatment Project

A company in Zhejiang uses a chemical synthesis process to produce the herbicide Dicamba. The production process is complex, and the wastewater pollutants mainly include organic compounds such as phenols, salicylic acid, xylene, alcohols, esters, as well as salts such as sodium and potassium. The daily sewage volume is 80 tons.

A fine chemical wastewater treatment project in Tai'an

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A fine chemical wastewater treatment project in Tai'an

Tai'an Fine Chemical Co., Ltd. is located in the Tai'an Chemical Industry Park. The company was founded in 2016 and mainly produces 9,10-dihydro-9-oxa-10-phosphorus phenanthrene-10-oxide, allyl polyethylene glycol acrylate, and 2-phenoxyethyl acrylate. The sewage treatment plant of this project has a scale of 500 tons/day, and the wastewater has high COD, ammonia nitrogen, and salt content, and poor biodegradability.

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