11

2019

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09

Zhejiang Artsen Chemical Co.,LTD. Project EIA Publicity Book


Zhejiang Exa Chemical Co., Ltd.
28000 tons/year 1,1-difluoroethane (R152a), 8000 tons/year
1,1, 1-Trifluoroethane (R143a) Project
Environmental Impact Report
(Draft for Approval)
Coal Group Hangzhou Environmental Protection Research Institute Co., Ltd.
CCTEG Hangzhou Environmental Research Institute
September 2019

Zhejiang Exon Chemical Co., Ltd. 28000 tons/year 1,1-difluoroethane (R152a), 8000 tons/year 1,1, 1-trifluoroethane (R143a) project
Coal Group Hangzhou Environmental Protection Research Institute Co., Ltd. I
Directory
Chapter I Overview .............................................................................................................. 1
1.1 Existing Enterprise Environmental Protection History ....................................................................................................................................... 1
1.2 Product Profile ......................................................................................................................................................................... 1
Origin of 1.3 Project ......................................................................................................................................................................... 2
After the implementation of the 1.4 project, the enterprise product plan ......................................................................................................................................... 4
The working process of 1.5 evaluation ........................................................................................................................................... 6
1.6 Project Characteristics and Construction Necessity ............................................................................................................. 6
Brief Description of 1.7 Analysis and Judgment ....................................................................................................................................... 7
Major environmental issues of concern to 1.8 and their environmental impacts ........................................................................................................ 12
The main conclusions of the 1.9 environmental impact assessment ...................................................................................................... 13
Chapter II General Provisions ............................................................................................................................................ 14
2.1 compilation basis ...................................................................................................................................................................... 14
2.2 Evaluation Principles ...................................................................................................................................................................... 20
2.3 Evaluation Factor ...................................................................................................................................................................... 20
2.4 Environmental Function Zoning and Evaluation Criteria ...................................................................................................................................... 21
2.5 Evaluation Grade ...................................................................................................................................................................... 29
2.6 Evaluation Scope and Environmentally Sensitive Areas .......................................................................................................... 33
2.7 related planning ...................................................................................................................................................................... 34
Chapter III Analysis of old pollution sources related to this project .............................................................................. 47
3.1 Evaluation Ideas ...................................................................................................................................................................... 47
Basic Overview of 3.2 Existing Enterprises .................................................................................................................................... 47
3.3 Analysis of Pollution Source Engineering Related to the Project ........................................................................................................ 49
3.4 Existing Enterprise Environmental Protection Facilities .................................................................................................................................... 58
3.5 Existing Enterprise Environmental Risk Accident and Emergency Plan Investigation .......................................................................................................... 68
Major Problems Existing in 3.6 Existing Enterprises and Requirements for Rectification Progress .......................................................................................................... 68
3.7 The situation of "bringing the old with the new" in this project ........................................................................................................................... 68
Pollution Prevention Measures 3.8 the Dismantling Process of Existing Equipment ................................................................................................... 70
3.9 After the implementation of this project, the existing enterprises have approved the device to retain the product pollutant emissions situation ..................................................................................... 73
Chapter IV Construction Project Overview and Engineering Analysis ...................................................................... 74
Zhejiang Exon Chemical Co., Ltd. 28000 tons/year 1,1-difluoroethane (R152a), 8000 tons/year 1,1, 1-trifluoroethane (R143a) project
Coal Group Hangzhou Environmental Protection Research Institute Co., Ltd. II
4.1 Basic overview of the proposed project .................................................................................................................................... 74
4.2 Project Engineering Analysis ............................................................................................................................................. 92
4.3 Project Water Balance Chart .......................................................................................................................................... 104
Summary of 4.4 Pollutant Generation and Discharge ............................................................................................................... 105
4.5 Changes in Pollutant Emission Before and After the Implementation of the Project ............................................................................................ 109
4.6 Analysis of Pollution Factors under Abnormal Situation ............................................................................................................... 111
4.7 Cleaner Production .................................................................................................................................................................... 112
4.8 Total Pollutant Discharge Control ............................................................................................................. 118
Chapter V Environmental Protection Measures and Their Feasibility Demonstration ............................................................................ 121
5.1 Existing Enterprise Pollutant Control Measures and Existing Problems ............................................................................................................ 121
5.2 Wastewater Prevention and Control Measures .......................................................................................................................................... 121
5.3 Groundwater Control Measures ...................................................................................................................................... 124
5.4 Waste Gas Prevention and Control Measures .......................................................................................................................................... 127
5.5 solid waste prevention and control measures .......................................................................................................................................... 134
5.6 Soil Environmental Protection Measures ................................................................................................................................................. 137
5.7 Noise Prevention Measures .......................................................................................................................................... 137
Summary of 5.8 Pollutant Treatment Measures ............................................................................................................................. 138
5.9 Environmental Protection Investment Estimation and Operating Cost Estimation of Pollution Control Measures
Chapter 6 Investigation and Evaluation of Environmental Status ............................................................................. 140
Investigation and Evaluation of 6.1 Natural Environment Status ................................................................................................................................... 140
Investigation and Evaluation of 6.2 Environmental Quality Status ................................................................................................................................... 143
Chapter 7 Environmental Impact Forecast and Evaluation ............................................................................. 155
7.1 Environmental Impact Analysis during Construction Period ............................................................................................................................. 155
Analysis of Environmental Impact during 7.2 Operation Period ............................................................................................................................. 158
Environmental Impact Analysis of 7.3 Project during Decommissioning Period ................................................................................................................... 209
Chapter 8 Environmental Risk Assessment ......................................................................................................... 210
8.1 Potential Accident Hazard Analysis ................................................................................................................................................. 210
Preliminary Judgment of 8.2 Environmental Risk Potential and Evaluation Grade Judgment ................................................................................. 215
8.3 Risk Identification .................................................................................................................................................................... 220
Analysis of 8.4 Risk Accidents ................................................................................................................................................. 227
Zhejiang Exon Chemical Co., Ltd. 28000 tons/year 1,1-difluoroethane (R152a), 8000 tons/year 1,1, 1-trifluoroethane (R143a) project
Coal Group Hangzhou Environmental Protection Research Institute Co., Ltd. III
8.5 risk prediction and evaluation ...................................................................................................................................... 230
8.6 Environmental Risk Assessment ........................................................................................................................................... 239
8.7 Environmental Risk Management ........................................................................................................................................... 242
8.8 Evaluation Conclusions and Recommendations ...................................................................................................................................... 250
Chapter 9 Environmental Impact Economic Profit and Loss Analysis ........................................................................ 253
9.1 Environmental Benefit Analysis ........................................................................................................................................... 253
9.2 Economic Benefit Analysis ........................................................................................................................................... 253
9.3 social benefit analysis ........................................................................................................................................... 254
Summary of 9.4 Environmental Economic Profit and Loss Analysis ........................................................................................................ 254
Chapter X Environmental Management and Monitoring Plan ............................................................................. 255
10.1 environmental management and monitoring purposes ........................................................................................................... 255
10.2 Environmental Supervision and Implementation Agency ............................................................................................................... 255
10.3 to strengthen environmental management ......................................................................................................................................... 255
10.4 Sewage Discharge Setting and Standardized Management ................................................................................................................. 257
10.5 Environmental Monitoring Plan ......................................................................................................................................... 258
10.6 Pollutant Emission Inventory .................................................................................................................................... 260
Chapter 11 Compliance Analysis of Environmental Protection Approval Principles ................................................................................ 264
Conformance Analysis of "Four Properties and Five Not Approved" Regulations on Environmental Protection Management of 11.1 Construction Projects ........................................................................... 264
11.2 "Zhejiang Province Construction Project Environmental Protection Management Measures" (2018 Amendment) Compliance Analysis ......................................................................... 276
Compliance Analysis of Approval Requirements of Other Departments of 11.3 Construction Projects ...................................................................................................... 276
11.4 Summary ........................................................................................................................................................................... 276
Chapter XII Conclusions and Recommendations ......................................................................................................... 277
12.1 basic conclusion .......................................................................................................................................... 277
Adoption of 12.2 public comments ............................................................................................................................................... 280
12.3 Environmental Feasibility Analysis .................................................................................................................................... 281
12.4 Environmental Protection Supervision Measures ......................................................................................................................................................................... 281
12.5 Requirements ........................................................................................................................................................................... 281
12.6 EIA Comprehensive Conclusion ......................................................................................................................................................................... 282

 

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