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ZR CHEM

24

2022

-

01

Chongqing Zhongrun Chemical Co., Ltd. Publicity of environmental protection information

Author:


Publicity of environmental protection information

1、 Company basic information

Enterprise Name (Group) Publicity of environmental protection information
Organization code 91500115MA5U6D9U4H
Legal representative Ding Siyang
Construction site No. 18, Huabei 2nd Road, Yanjia Street, Changshou District, Chongqing Postal code 401221
Central longitude and latitude Center longitude  106   °5919
Central latitude  29  °518
Contacts Yang Tao Contact number 19922349319
Industry Manufacturing of organic chemical raw materials
Main products N-Methylpyrrolidone (NMP)
Designed (actual) production capacity N-methylpyrrolidone (NMP) 20000 t/a synthetic production line, 20000 t/a waste NMP recovery production
Number of employees 120
Production cycle 300天/年
Construction time 2019年

 

 

  

2、 Pollutant discharge information

1. Main and characteristic pollutants:

Exhaust gas: volatile organic compounds (monomethylamine, etc.), odor, particles.

Wastewater: COD, ammonia nitrogen, PH value, suspended solids, total nitrogen, total phosphorus, total organic matter

2. Discharge limit: discharge according to the limit requirements of Integrated Emission Standard of Air Pollutants DB 50/418-2016, Emission Standard of Odor Pollutants GB 14554-93 and Integrated Wastewater Discharge Standard GB8978-1996.

3. The total amount of emissions approved by the pollution discharge permit:

Pollutant (air) Allowable discharge (t/a) Pollutant (waste water) Allowable discharge (t/a)
Particulate matter 3.94 Chemical oxygen demand 64.35
Volatile organic compounds 30.896 Ammonia nitrogen 5.79

1

5. Excess emission of pollutants:
Waste gas: no exceeding standard
Waste water: no exceeding standard
3、 Construction and operation of pollution prevention facilities

Production line or unit Workshop or process Pollution source Pollutant factor Governance measures Discharge permit No Operation
NMP production unit Recovery NMP production unit Distillation non condensable waste gas Volatile organic compounds Water spray+sodium hypochlorite spray+photocatalytic oxidation+activated carbon adsorption treatment device DA002 Normal operation
Synthetic NMP production unit Distillation non condensable waste gas Volatile organic compounds Water spray+sodium hypochlorite spray+photocatalytic oxidation+activated carbon adsorption treatment device DA002 Normal operation
Γ-Butyrolactone production unit Distillation non condensable waste gas Volatile organic compounds Water spray+sodium hypochlorite spray+photocatalytic oxidation+activated carbon adsorption treatment device DA002 Normal operation
Sewage Disposal Sewage disposal Waste gas from sewage treatment tank Volatile organic compounds Liquid alkali spray+sodium hypochlorite spray+activated carbon adsorption treatment device DA003 Normal operation
Stench
Analytical laboratory Analysis Analysis of waste gas Volatile organic compounds Liquid alkali spray+activated carbon adsorption treatment device DA004 Normal operation
Heat conduction oil furnace Heat conduction oil furnace Gas waste gas Sulfur dioxide Direct discharge DA001 Normal operation
Nitrogen oxide
Smoke

4、 Environmental impact assessment of construction projects and other environmental protection administrative licensing


Valid period of pollution discharge permit: January 1, 2021 to December 31, 2025

Entry name System Review time Approval time Approval No Remarks
Production and recycling of organic solvent NMP (Phase I) EIA and its reply 2017 February 2017 Yu (Chang) HZ [2016] No. 013  
Trial production September 2020      

 5、 Emergency Plan for Environmental Emergencies

 

Emergency Plan for Environmental Emergencies and Environmental Risk Assessment Report

The filing has not been completed for the time being.

6、 Other environmental information that should be disclosed

Clean production audit and other related environmental protection work are being carried out as required.

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