On May 15, the People's Government of Puyang County, Henan Province issued the Announcement of Environmental Impact Assessment of the 20,000-ton/year Silane Polysilicon Project of Henan Saineng Silicon Industry Co., Ltd., which shows that the 20,000-ton/year Silane Polysilicon Project of Henan Saineng Silicon Industry Co., Ltd. is planned to land in Hubuzhai Town, Puyang County, Henan Province. At present, the project has been put on record by the Management Committee of Puyang Advanced Manufacturing Development Zone, and the EIA publicity procedure is in progress.
It is reported that the total investment of this project is 1.58 billion yuan, covering an area of 20.57 hectares , and the product plan is: annual output of 20,000 tons of solar grade polysilicon, 0.
2023 February 8. The 100,000-ton polysilicon project of Henan Saineng Silicon Industry Co., Ltd. was officially started in Puyang, Henan Province as the "Double Hundred" project of Henan Province. The total investment of the project is 10 billion yuan, covering an area of 1500 mu . After the project is completed and put into operation, it will reach a production capacity of 100,000 tons per year, with an estimated annual sales of 29.6 billion yuan, providing about 500 jobs. The 20,000 tons/year polysilicon project publicized by the EIA is one of the sub-projects under the project. According to the data
of Aiqi Investigation, Henan Saineng Silicon Industry Co., Ltd. was established in Puyang, Henan Province on September 28, 2022 with a registered capital of 50 million yuan. Its business scope includes manufacturing of special electronic materials, sales of special electronic materials, research and development of special electronic materials, manufacturing of photovoltaic equipment and components, and sales of photovoltaic equipment and components; Non-metallic mineral products manufacturing; Non-metallic mineral products sales; Smelting of non-ferrous metals; Sales of non-ferrous alloys, etc. The legal representative of Hailin.
The specific original text is as follows:
Henan Saineng Silicon Industry Co., Ltd. 20,000 Tons/Year Silane Polysilicon Project Environmental Impact Assessment Announcement
Henan Saineng Silicon Industry Co., Ltd. 20,000 Tons/Year Silane Polysilicon Project Environmental Impact Assessment Report has been basically completed. In accordance with the relevant provisions of the Measures for Public Participation in Environmental Impact Assessment (Decree No.4 of the Ministry of Ecology and Environment of the People's Republic of China),
Henan Saineng Silicon Industry Co., Ltd. intends to invest in the 158033. The project covers an area of 20. The project has been put on record in the Management Committee of Puyang Advanced Manufacturing Industry Development Zone. Project Code: 2210-410928-04-01-794594. The construction nature of this
project is new construction, and the product scheme is: annual output of 20,000 tons of solar grade polysilicon, 0.
The project site is located in the chemical industry cluster area of Puyang City, covering three types of industrial land. The project construction meets the requirements of "three lines and one single" in Henan Province, "Puyang City" three lines and one single "ecological environment zoning control access list", "Puyang City Urban and Rural Master Plan (2015-2035)" and "Puyang City Chemical Industry Cluster Area Master Development Plan" (2016-2020). The resource utilization and pollutant discharge of the project meet the requirements of relevant management and standards, do not conflict with the contents of "three lines and one list" and the negative list of environmental access proposed by the planning and planning EIA, and meet the requirements of industrial positioning, spatial layout, total amount control and environmental access of the planning and planning EIA, and the infrastructure support is feasible. This project complies with the Standard Conditions for the Photovoltaic Manufacturing Industry (2021 version), the State Council's Guidelines on Promoting II." Possible impacts
of the construction project on the environment The possible impacts of the project on the environment during operation are as follows:
(1) Waste gas: catalytic oxidation waste gas, chlorosilane process waste gas, silane waste gas, etc.;
(2) Waste water: the waste water of the project includes chlorine-containing process waste water, chemical inspection waste water, device cleaning waste water, domestic sewage, etc.;
(3) Solid waste: the solid waste of the project mainly includes waste catalyst, filter material, sludge and waste packaging, etc.;
(4) Noise: the high-noise equipment of the project mainly includes fans, air compressors, pumps, cooling towers, etc.;
(5) Environmental risk: the impact of secondary pollution caused by the leakage of raw materials methanol and trichlorosilane and the leakage of intermediate products chlorosilane and silane on the ambient air.
3. Countermeasures and measures
to prevent and mitigate adverse environmental impacts In view of the above environmental problems, the assessment unit has put forward corresponding mitigation measures and countermeasures, mainly including:
(1) Waste gas treatment measures: the adsorption and desorption waste gas from the methanol plant is sent to the catalytic oxidation unit (RCO) for disposal. After the chlorosilane process waste gas is sent to the "primary alkali spray + Venturi absorption + secondary alkali spray" for treatment, the characteristic factor of hydrogen chloride can be discharged up to the standard; the silane process waste gas is sent to the "primary alkali spray + Venturi absorption" for treatment; the fine silicon powder produced in the silicon powder feeding bin and the product post-treatment process is discharged after dust removal by the precision filter; the malodorous gas from the sewage treatment station is sent to the chlorosilane waste gas facility for treatment.
(2) Wastewater treatment measures: during the operation period of the project, the chlorine-containing wastewater is reused in the circulating cooling water station after pH adjustment, flocculation and sedimentation, plate and frame filter pressing, and multi-effect evaporation for desalination, and is not discharged outside; the domestic sewage, chemical inspection wastewater, cleaning wastewater in the unit area and other miscellaneous water are discharged after pH adjustment, flocculation and sedimentation, and A2/O process treatment; Circulating cooling water drainage, desalted water drainage and other clean sewage are mixed with the effluent of the sewage treatment station and then discharged at the main outlet of the plant area. The drainage of the whole plant can meet the requirements of Indirect Discharge Standard of Water Pollutants for Chemical Industry (DB41/1135-2016) of Henan Province and the water collection index of Hubuzhai Sewage Treatment Plant.
(3) Solid waste treatment measures: The solid wastes generated during the operation period of the project mainly include catalysts, adsorption materials, waste heat transfer oil, slag discharge from the slurry workshop, sludge from the sewage treatment station, and by-product industrial salt (calcium chloride). Sludge and slag from the sewage treatment station can be used as building materials for comprehensive utilization. Catalysts and adsorption materials can be recycled by the manufacturer or entrusted for disposal according to the attributes of solid wastes. Waste heat transfer oil belongs to hazardous wastes and is entrusted to the hazardous waste disposal unit for disposal. All kinds of solid wastes generated by the project during the operation period can be properly treated and not discharged to the environment.
(4) Noise control measures: For high-noise equipment, the project plans to take measures such as installing shock absorption foundation and sound insulation. Make the equipment noise meet the corresponding standard requirements.
(5) Environmental risk prevention measures: The environmental impact assessment requires the project to build online alarm devices in the supporting production unit area and storage tank area, and set up risk prevention measures such as accident wastewater collection pool and initial rainwater pool for wastewater prevention. The contingency plan of environmental risk accidents should be formulated on the basis of which the impact on the surrounding environment is small.
4. The conclusion
of environmental impact assessment is that the project conforms to the national industrial policy and related planning, and the process scheme is mature and reliable. After the pollution prevention measures and environmental risk prevention measures proposed in the assessment are carefully implemented, all pollutants can be discharged up to the standard. The project construction has little impact on the local environmental quality. From the perspective of environmental protection, the project construction is feasible.
5. The full text of the draft of the environmental impact report, the way and time limit
for obtaining information, the public can consult the paper version of the draft of the environmental impact report of the project in our company, or the electronic version on the Internet. The access period is from May 15, 2023 to May 26, 2023.
6. Scope of soliciting public opinions and main matters
Scope of soliciting opinions: the public affected by the construction project and concerned about the construction of the project.
According to the provisions of the Measures for Public Participation in Environmental Impact Assessment, suggestions and opinions related to the environmental impact and environmental protection measures of the project are mainly solicited, and opinions or appeals related to land acquisition, demolition, property, employment and other matters unrelated to the environmental impact assessment of the project are not included in the public participation of the environmental impact assessment of the project.
If you have valuable suggestions, you can send them by letter, fax, e-mail or directly to our unit, and submit the public opinion form to our unit within the specified time. Thank you for your participation.The public shall provide effective contact information when submitting comments so that we can contact you in time. The specific contact information of our unit is as follows:
Name of construction unit: Henan Saineng Silicon Industry Co., Ltd. Contact person: Qi Peng; Telephone: 18904735766
Address: Polysilicon Project Headquarters
of Henan Saineng Silicon Industry Co., Ltd., Zongguomiao Village, Zidong Community, Hubuzhai Town, Puyang County, Puyang City Telephone: 13847339873; E-mail: 1452555922 @ QQ.
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