China's steel plants are actively exploring seawater utilization

“Small steel companies in some coastal areas in China have begun to use seawater as a direction for future corporate water use in order to cope with the growing shortage of freshwater resources.” According to experts from the China Iron and Steel Association, large steel companies in some coastal areas in China began to We will use it as a direction for future corporate water use to cope with the growing shortage of freshwater resources.
Steel companies need to consume a lot of new water resources in production. According to statistics in 2006, China consumes 6.56 cubic meters of new water per ton of steel produced, while some foreign advanced steel companies consume only 3.36 cubic meters of new water per ton of steel in 2005.
Experts from the China Iron and Steel Industry Association said at the National Watermelon Industry Water Conservation Conference held on the 3rd that at present, China's direct seawater cooling and desalination are mature technologies, and electricity in coastal cities such as Tianjin, Dalian, Shanghai and Qingdao. Oil, chemical and other industries have successfully applied. According to China's steel industry policy , new steel plants will be closer to the Fengshui area and along the Yangtze River and coastal areas. In order to encourage enterprises to develop and utilize non-traditional water resources, the amount of seawater and brackish water that Chinese enterprises take is not included in the scope of quota measurement management .
At present, the Shougang Caofeidian project has considered the seawater project, and the Zhanjiang project of Baosteel is also actively exploring seawater utilization. However, experts have warned that seawater desalination projects should study the output of concentrated brine, and it is best to supply local units that produce sea salt to avoid the impact on the ecology of the marine environment after efflux.

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