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On May 15th, attended by hundreds of representatives from all parts of the country organized by the China Nitrogen Fertilizer Industry Association and the China Environmental Protection Industry Association and attended the exchange meeting of environmental protection work experience in the nitrogen fertilizer industry. They visited the Shijiazhuang Zhengyuan Fertilizer Co., Ltd. sewage zero emission comprehensive treatment project. . This is the first company in the domestic nitrogen fertilizer industry to realize that the entire production process does not produce sewage, and all the sewage outlets in the production area are completely blocked.
Shijiazhuang Zhengyuan Fertilizer Co., Ltd. is a subsidiary of Hebei Zhengyuan Chemical Industry Group Co., Ltd. It has an annual production capacity of 200,000 tons of synthetic ammonia. Unlike the practice of discharging wastewater generated during the production process, Zhengyuan's concept of pollution control does not produce sewage throughout the nitrogen fertilizer production process. This technical transformation won the first batch of central environmental protection special fund support and was based on the innovation of the “General Design of Zero Discharge Project of Nitrogen Fertilizer Production Wastewater†of the China Nitrogen Fertilizer Industry Association. It was implemented in December 2004 with a total investment of 10.5 million yuan. Through technological changes, the company has realized the closed loop of circulating water in the production process and realized the full recovery of waste liquid. The company creatively used reverse osmosis desalinated water as replenishment of circulating water to achieve zero discharge of indirect cooling wastewater. Reverse osmosis concentrated water is used for flushing water. In particular, gasification technology does not rise, so that the entire production wastewater recycling. In August 2006, the company's sewage outlets in the company's production area were all blocked, indicating that the concept of producing no sewage in the production process has become a reality.
Zhang Lijun, Chairman of the Board, explained Zhengyuan’s environmental protection philosophy. He said that the key to fertilizer production is water management. The zero discharge of sewage can effectively control the electricity and steam factors and solve problems such as scaling, corrosion, algae bloom, and plugging, thereby improving the heat transfer effect, service life, and operation cycle of the equipment, achieving long-term, balanced and stable The purpose of the operation.
Wang Xinfang, president of the China Environmental Protection Industry Association, said that Zhengyuan Company has a lot of innovations in the treatment of sewage, adopting many high technologies such as membrane technology, and it is a major technological advancement in water treatment, and at the same time it has improved economic efficiency. Their experience is of great significance in the nitrogen fertilizer industry, and it also provides very good experience for energy conservation and emission reduction across the country.
It is understood that nitrogen fertilizer companies are very optimistic about Zhengyuan's zero-emission sewage treatment technology reform. Many delegates said on the spot that they would immediately lead the team to learn from them.
It is understood that a special batch of central environmental protection funds for zero-emission sewage treatment and technological transformation projects and achieved results, as well as Henan Xinlianxin Chemical Fertilizer Co., Ltd. and a number of nitrogen fertilizer companies.
Shijiazhuang Zhengyuan Fertilizer Co., Ltd. is a subsidiary of Hebei Zhengyuan Chemical Industry Group Co., Ltd. It has an annual production capacity of 200,000 tons of synthetic ammonia. Unlike the practice of discharging wastewater generated during the production process, Zhengyuan's concept of pollution control does not produce sewage throughout the nitrogen fertilizer production process. This technical transformation won the first batch of central environmental protection special fund support and was based on the innovation of the “General Design of Zero Discharge Project of Nitrogen Fertilizer Production Wastewater†of the China Nitrogen Fertilizer Industry Association. It was implemented in December 2004 with a total investment of 10.5 million yuan. Through technological changes, the company has realized the closed loop of circulating water in the production process and realized the full recovery of waste liquid. The company creatively used reverse osmosis desalinated water as replenishment of circulating water to achieve zero discharge of indirect cooling wastewater. Reverse osmosis concentrated water is used for flushing water. In particular, gasification technology does not rise, so that the entire production wastewater recycling. In August 2006, the company's sewage outlets in the company's production area were all blocked, indicating that the concept of producing no sewage in the production process has become a reality.
Zhang Lijun, Chairman of the Board, explained Zhengyuan’s environmental protection philosophy. He said that the key to fertilizer production is water management. The zero discharge of sewage can effectively control the electricity and steam factors and solve problems such as scaling, corrosion, algae bloom, and plugging, thereby improving the heat transfer effect, service life, and operation cycle of the equipment, achieving long-term, balanced and stable The purpose of the operation.
Wang Xinfang, president of the China Environmental Protection Industry Association, said that Zhengyuan Company has a lot of innovations in the treatment of sewage, adopting many high technologies such as membrane technology, and it is a major technological advancement in water treatment, and at the same time it has improved economic efficiency. Their experience is of great significance in the nitrogen fertilizer industry, and it also provides very good experience for energy conservation and emission reduction across the country.
It is understood that nitrogen fertilizer companies are very optimistic about Zhengyuan's zero-emission sewage treatment technology reform. Many delegates said on the spot that they would immediately lead the team to learn from them.
It is understood that a special batch of central environmental protection funds for zero-emission sewage treatment and technological transformation projects and achieved results, as well as Henan Xinlianxin Chemical Fertilizer Co., Ltd. and a number of nitrogen fertilizer companies.
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