The water consumption per ton of new production equipment has reached the advanced level of domestic industry, micro perforated plate muffler; 2. The imported equipment has reached the international advanced level; 3. The cascade utilization and recycling of production water; the collection and temporary storage facilities should be set up for the abnormal discharge of high concentration materials from chemical plants. After the normal operation of the plant, they should be returned to the process for treatment and should not be discharged as sewage. Tower, kettle, vessel, piping system, etc. Where there is material accumulation, clean outlets shall be provided for the removal of material. Collection systems shall be provided for discharge, sampling, overflow, maintenance, muffler plenum accident discharge and pump wastewater. Collect and dispose of flushing water and polluted rainwater from all production plants and workplaces. The chemical waste liquid shall be collected and treated separately, and shall not be directly discharged into the production wastewater system. The circulating water system shall be equipped with water quality treatment facilities, and non-toxic or slightly polluted water treatment agents shall be selected, and the quality of circulating water shall not be maintained by increasing the discharge. The open storage yard and loading and unloading platform of raw materials, fuels and products shall be provided with measures to prevent pollution caused by materials washed by rainwater. Chemical storage, loading and unloading, dosing and other places should be equipped with measures to prevent material leakage. Cofferdam or ring ditch should be set up in chemical pollution area to collect production sewage and initial rainwater. 6.3.3 storage and transportation of wastewater and reuse water 6.3.1 the drainage of chemical construction project can be divided into the following systems: 1 production wastewater (including polluted rainwater) system; 2 domestic sewage system; 3 clean wastewater system; 4 rainwater drainage system; 5 accident wastewater system; 6 saline wastewater system. If the project involves compulsory certification stipulated by the state, the equipment tendered by the supplier shall meet the compulsory certification requirements such as industrial product production license, 3C certification, environmental protection equipment certification, etc. In addition, the successful supplier of automobile exhaust silencing box shall provide relevant certificates when the buyer accepts the project, otherwise, the acceptance cannot be carried out, and a penalty of 10% of the total contract amount of the successful supplier shall be imposed.
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