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It is reported that this standard is a revision of Liaoning Province's "Standard for Discharging Wastewater from Coastal Areas Directly into Sea Area" and "Liaoning Province's Standard for Effluent and Waste Gas Discharge." The major adjustments were made to the emission standard system and standard designations. The “Standards for the Direct Seating of Sewage in Coastal Areas in Liaoning Province†and “Sewage and Exhaust Emission Standards in Liaoning Province†were merged; the pollutant emission control items were adjusted and the control of pollutant emissions was improved. Requirement; Abolition of the grading control regulations for discharge of sewage.
The standard includes coking enterprises, oil extraction, oil refining industry, synthetic detergent industry, synthetic fatty acid industry, wet production fiberboard industry, chromium salt industry, caustic soda industry, soda ash industry, sulfuric acid industry, synthetic ammonia industry, dyestuff and textile printing and dyeing industry, and The maximum allowable displacement in some industries, such as the rubber industry (simple fiber), organophosphorus pesticide industry, leather industry, non-ferrous metal smelting and metal processing, is strictly regulated. Among them, the maximum allowable displacement of the petroleum refining industry is 1 cubic meter per ton of crude oil; the synthetic detergent industry is 10 cubic meters per ton; the synthetic fatty acid industry is 150 cubic meters per ton; the sulfuric acid industry is 10 cubic meters per ton of sulfuric acid; Synthetic ammonia industry large urea, ammonium nitrate, 8 cubic meters / ton of ammonia.
Liaoning Strictly Formulates Integrated Wastewater Discharge Standards
It was learned from the environmental protection department of Liaoning Province that the "Integrated Wastewater Discharge Standard of Liaoning Province" was issued a few days ago and will be implemented on August 1. The standard specifies the emission limits of 25 pollutants and the maximum allowable displacement in some industries. The overall level of control of pollutant discharge in this standard is stricter than the Integrated Wastewater Discharge Standard and is a mandatory standard.