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People say that since ancient times, the waters of the sea have been used and inexhaustible. Xiao Qingzhou, chairman of Shandong Haihua Group, has other views. He said that seawater can be used because it is both mine and clean. If the coastal waters are polluted, the seawater will become a scourge, and it will affect the local economic development.
Haihua Group is a large-scale soda ash production company, and its use of seawater amounts to more than 70 million cubic meters per year. What about seawater after use? Is it back to the sea or is it a suitable place to go? This is the reality that enterprises that rely on the sea to eat the sea must face. In late August, the reporter saw in the Marine Chemical Development Zone where Haihua Group is located that this world-class soda ash company has already eaten up the useful materials in the sea water in the production process, and the remaining millions of cubic meters of seawater All used to salt, not a drop of water near the Laizhou Bay. This practice was praised by marine chemical and environmental protection experts. In mid-August this year, Li Yongwu, president of the China Petroleum and Chemical Industry Association, inspected Haihua and believed that the successful practice of Shandong Haihua Group in the development of eco-industry and recycling economy provided a useful reference for the sustainable development of the chemical industry.
Savings must be saved, and those that can be used must be utilized. This concept is not only the consensus of Haihua Group, but also has formed a reasonable recycling process: resource-production-waste-reuse. This reasonable recycling process has become the main mode of Haihua Group's ecological industry.
Since 2000, Haihua Group's production water extracted from Laizhou Bay was first used to stock seafood such as fish, shrimp and shellfish. Due to the sky blue, the aquaculture industry within the Haihua Development Zone has developed rapidly. Last year, the revenue of marine products was 210 million yuan, which is Haihua Group's important contribution to the local economy.
After the seawater passes through the culture zone, it is sent to the soda ash plant and potassium sulphate plant for cooling of the equipment, because this process requires a large amount of seawater. All devices that are not afraid of seawater corrosion use seawater for process cooling, saving a lot of freshwater resources. These seawater absorb the heat generated by the device during cooling of the device. This endothermic process just warmed the seawater to the temperature needed to make bromine. In the past, this process required special boiler heating means. This saves tens of tons of coal. According to the prior art requirements, the seawater after the extraction of bromine can be returned to the sea. Haihua Group considers that these seawaters have taken a walk in chemical plants. Although they are exhausted, they still belong to waste water and must not be discharged into the sea to affect the growth environment of marine organisms.
Since Haihua Group combined with Yangkou Salt Farm, which has the highest production of sea salt in China, 10 years ago, the seawater that has been used every year for millions of cubic meters has the best place to go. . This complete process of taking water, water, and salt has not only completed the production of 2 million tons of soda ash and other products by Haihua Group, but also failed to form effluent pollution in the sea area of ​​Laizhou Bay. Industrial salt. This "one arrow, three carvings" approach conforms to the production mode of the eco-industry or circular economy.
Hou Baorong, an academician of the Chinese Academy of Engineering and a marine chemical expert, told reporters that China started construction of an eco-industrial park with the concept of circular economy in 1999. At present, among the 14 national-level eco-industrial demonstration parks in China, the Weifang Marine Chemical Industry High-tech Zone, which is dominated by Shandong Haihua Group, is relatively mature. An organic marine chemical “food chain†has been formed, which has realized closed loop circulation and resource utilization of wastewater in the region, and achieved industrial ecological economic balance in the region.
Haihua Group is a large-scale soda ash production company, and its use of seawater amounts to more than 70 million cubic meters per year. What about seawater after use? Is it back to the sea or is it a suitable place to go? This is the reality that enterprises that rely on the sea to eat the sea must face. In late August, the reporter saw in the Marine Chemical Development Zone where Haihua Group is located that this world-class soda ash company has already eaten up the useful materials in the sea water in the production process, and the remaining millions of cubic meters of seawater All used to salt, not a drop of water near the Laizhou Bay. This practice was praised by marine chemical and environmental protection experts. In mid-August this year, Li Yongwu, president of the China Petroleum and Chemical Industry Association, inspected Haihua and believed that the successful practice of Shandong Haihua Group in the development of eco-industry and recycling economy provided a useful reference for the sustainable development of the chemical industry.
Savings must be saved, and those that can be used must be utilized. This concept is not only the consensus of Haihua Group, but also has formed a reasonable recycling process: resource-production-waste-reuse. This reasonable recycling process has become the main mode of Haihua Group's ecological industry.
Since 2000, Haihua Group's production water extracted from Laizhou Bay was first used to stock seafood such as fish, shrimp and shellfish. Due to the sky blue, the aquaculture industry within the Haihua Development Zone has developed rapidly. Last year, the revenue of marine products was 210 million yuan, which is Haihua Group's important contribution to the local economy.
After the seawater passes through the culture zone, it is sent to the soda ash plant and potassium sulphate plant for cooling of the equipment, because this process requires a large amount of seawater. All devices that are not afraid of seawater corrosion use seawater for process cooling, saving a lot of freshwater resources. These seawater absorb the heat generated by the device during cooling of the device. This endothermic process just warmed the seawater to the temperature needed to make bromine. In the past, this process required special boiler heating means. This saves tens of tons of coal. According to the prior art requirements, the seawater after the extraction of bromine can be returned to the sea. Haihua Group considers that these seawaters have taken a walk in chemical plants. Although they are exhausted, they still belong to waste water and must not be discharged into the sea to affect the growth environment of marine organisms.
Since Haihua Group combined with Yangkou Salt Farm, which has the highest production of sea salt in China, 10 years ago, the seawater that has been used every year for millions of cubic meters has the best place to go. . This complete process of taking water, water, and salt has not only completed the production of 2 million tons of soda ash and other products by Haihua Group, but also failed to form effluent pollution in the sea area of ​​Laizhou Bay. Industrial salt. This "one arrow, three carvings" approach conforms to the production mode of the eco-industry or circular economy.
Hou Baorong, an academician of the Chinese Academy of Engineering and a marine chemical expert, told reporters that China started construction of an eco-industrial park with the concept of circular economy in 1999. At present, among the 14 national-level eco-industrial demonstration parks in China, the Weifang Marine Chemical Industry High-tech Zone, which is dominated by Shandong Haihua Group, is relatively mature. An organic marine chemical “food chain†has been formed, which has realized closed loop circulation and resource utilization of wastewater in the region, and achieved industrial ecological economic balance in the region.
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