The second publicity of Guoxin semiconductor's new integrated circuit project

1、 Overview of construction project

Project Name: new integrated circuit project of Guoxin semiconductor (Yizheng) Co., Ltd

Project Overview: Guoxin semiconductor (Yizheng) Co., Ltd. invested 188.93 million yuan to build an integrated circuit project. The project is planned to be built at No. 1 Mintai Avenue, Yizheng Economic Development Zone. The project will build production plants, power centers, equipment warehouses, chemical warehouses and other buildings, purchase production equipment and build integrated circuit production lines. After the project is put into operation, it will form a production scale of 1.2 million analog and digital analog integrated circuits with an annual output of 0.8 micron and below.

2、 Possible impact of the construction project on the environment

1. Atmospheric environment

The waste gas produced by the project mainly includes acid waste gas (HCl, sulfuric acid mist, fluoride, nitrogen oxide), organic waste gas (non methane total hydrocarbon, acetone, trichloroethylene, ethanol) and process waste gas. The acid waste gas is collected by the fans of each section and then led to the acid gas scrubber for treatment and discharge. The organic waste gas is discharged after being treated by the activated carbon adsorption tower. After combustion, the process waste gas is sent to the acid gas scrubber for treatment and discharge. The exhaust gas after treatment can meet the requirements of relevant standards. The project takes the chemical warehouse as the center and sets a health protection distance of 50m.

2. Water environment

The wastewater produced by the project is mainly process wastewater and domestic sewage. The discharge of process wastewater is about 379200m3 / a (1264 m3 / D). The discharge of domestic sewage is 6912 m3 / A. According to the different nature of wastewater, the process wastewater is divided into acidic wastewater treatment equipment and fluorine-containing wastewater treatment equipment for quality separation treatment. The domestic sewage is treated in septic tank and finally discharged into Yizheng Shikang sewage treatment Co., Ltd. for treatment after reaching the takeover standard. The tail water is discharged into the Yangtze River, which has little impact on the water quality of the Yangtze River.

3. Acoustic environment

The noise equipment of the project mainly includes ventilator, refrigerator, cooling tower, fan, air compressor and other equipment. The noise control method is to select advanced low-noise equipment as far as possible, carry out vibration reduction and sound insulation treatment for high-noise equipment to reduce noise, reasonably arrange the equipment layout, and plant greening around the plant. After the operation of the project, the noise at the plant boundary can be discharged up to the standard, which will not reduce the current situation of regional acoustic environment function.

4. Solid waste

The solid wastes of the project include hazardous wastes, general solid wastes and domestic garbage. Among them, hazardous waste is entrusted to qualified units for treatment. General solid waste and domestic waste are regularly cleared and transported by the environmental sanitation department, and the discharge of solid waste is zero.

3、 Environmental quality status

The monitoring results of atmospheric environmental quality status show that SO2, NO2 and PM10 meet the class II standard of ambient air quality standard (gb3095-2012), sulfuric acid mist and hydrogen chloride meet the hygienic standard for the design of industrial enterprises (tj36-79), non methane total hydrocarbons meet the Israeli ambient air quality standard, and the local air environment quality is good.

The monitoring results of the current situation of water environment quality show that the water quality of each monitoring section is good, and all monitoring factors except SS meet the class III water environment function requirements in the environmental quality standard for surface water (GB3838-2002). The reason why the incoming water exceeds the standard is SS in the upstream.

The monitoring results of acoustic environment quality show that the noise at each monitoring point meets the standard requirements.

The monitoring results of the current situation of groundwater environmental quality show that: according to the analysis of the evaluation results, the ammonia nitrogen at the monitoring points except rice exceeds the standard; Other monitoring factors of groundwater in the project site can meet the class III standard of groundwater quality standard (GB / t14848-93). The excessive ammonia nitrogen is mainly due to the sandy soil where the project is located, the concentration of nearby residents, the lack of centralized wastewater treatment facilities, the pollution of farmland non-point sources and domestic wastewater, and the slow leakage of pollutants.

The monitoring results of the current situation of soil environmental quality show that the current situation of soil environmental quality is good, and all monitoring factors can meet the requirements of class II standard of soil environmental quality standard (GB15618-1995).

4、 Key points of environmental impact assessment conclusions proposed in the environmental impact report

The construction of the project complies with the national and local industrial policies. Cleaner production processes and production equipment are adopted in the production process. The pollution prevention measures are technically feasible and can ensure the stable and up to standard discharge of pollutants. The site selection and plane layout of the project are reasonable. From the perspective of environmental protection, the project construction is feasible.

5、 Main matters for soliciting public opinions

The purpose of public participation is to collect the views, requirements and wishes of the people within the scope of influence of the project on the project construction. If the public has any objection to the project, please contact the project unit or environmental assessment unit within 10 working days after this publicity.

6、 Main ways of public opinion

The public can contact the project unit or EIA unit by telephone, fax, letter, e-mail and other means. The contact information is as follows.

Name of construction unit: Guoxin semiconductor (Yizheng) Co., Ltd

Tel.: 13951434528 contact: LV Zong

Address: No. 89, Hongda Road, Yangzhou Economic Development Zone

Name of unit undertaking environmental impact assessment: Jiangsu Shengtai Environmental Technology Co., Ltd

Tel: 025-66082282 Fax: 025-84587267

Contact: Yu Gong

Address: Qianshan Science Park, 151 Jiangjun Avenue, Nanjing