Changyi Huachen textile printing and dyeing Co., Ltd., unified social credit Code: 9137078672861999xy, legal representative: Shi Qiting, production address: 657 Tongda street, Changyi economic and Technological Development Zone, contact number: 0536-7128027. The company mainly produces and sells cotton double-sided printing cloth, with an annual output of 80 million meters.
The main pollutants discharged from the company's production include nitrogen oxides, sulfur dioxide, particulate matter, toluene, xylene, non methane total hydrocarbon, chemical oxygen demand, ammonia nitrogen, total nitrogen, pH, chroma, suspended solids, five-day biochemical oxygen demand, total phosphorus, sulfide, adsorbable organic halogen and aniline, etc. The waste gas is discharged after being treated by the waste gas treatment facilities, and the waste water is discharged into the municipal pipe network after being treated by the sewage treatment station of the company to reach Changyi ocean water industry Co., Ltd. There are four organized waste gas outlets in the production area (including two boiler waste gas outlets and two workshop waste gas outlets), one waste water outlet and one rainwater outlet. The emission limits of nitrogen oxides, sulfur dioxide, particulate matter, toluene, xylene, non methane hydrocarbons, chemical oxygen demand, ammonia nitrogen, and so on are 100mg / Nm3, 50mg / Nm3, 10mg / Nm3, 40mg / Nm3, 70mg / Nm3, 120mg / Nm3, 200mg / L, 30mg / L, respectively The emission concentration limits of total nitrogen, pH, chroma, suspended solids, five-day biochemical oxygen demand, total phosphorus and sulfide were 50 mg / L, 6-9, 80 mg / L, 100 mg / L, 50 mg / L, 1.5 mg / L, 0.5 mg / L, 6-9, 6-9, 6-9, 6-9, 6-9, 6-9, 6-9, 6-9, 6-9, 6-9, 6-9, 6-9, 6-9, 6-9, 6-9, 6-9, 6-9, 6-9, 6- The emission limits of adsorbable organic halogen and aniline are 15mg / L and 1mg / L respectively.
The wastewater discharge shall comply with the indirect discharge standard in Table 2 of the discharge standard of water pollutants for textile dyeing and finishing industry, and the discharge standard of the notice on adjusting the implementation requirements of some indicators in the discharge standard of water pollutants for textile dyeing and finishing industry (No. 41 of 2015). The emission of boiler exhaust gas is in accordance with the emission standard of Shandong regional integrated emission standard of air pollutants (DB37 / 2376-2013); The exhaust emission of the workshop shall comply with the emission standard of integrated emission standard of air pollutants (GB 16297-1996). The daily average values of on-line and manual monitoring data of waste gas and wastewater discharge all meet the discharge standards, without exceeding the standard.
In 2018, the company built two VOCs waste gas treatment facilities in the workshop, and in 2019, the waste gas treatment equipment of the sewage treatment plant was installed, and the sewage treatment station was continuously upgraded to improve the treatment efficiency. Now the waste gas and waste water treatment facilities are in normal operation during the production period, to ensure the standard discharge after treatment.