Can the overflow water from chemical plants that produce synthetic ammonia, methanol, etc. be discharged into the rainwater drainage system?
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Is the overflow water from circulating water considered wastewater or clean effluent? Is it appropriate to channel it into the rainwater drainage system during design, and which documents specify this?
It is absolutely not allowed; it is an illegal act. Legal regulations include: 1. The Law of the People’s Republic of China on the Prevention and Control of Water Pollution ； 2. Article 1.0.4 of the General Provisions in the Code for Design of Outdoor Drainage GB50014-2006 (2011 edition). 3. Article 6.3 of the Code for Environmental Protection Design of Chemical Engineering Construction Projects GB50483-2009.....