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我国钾盐资源主要分布在青海柴达木盆地的盐湖之中,其中察尔汗盐湖是我国目前最大的液体钾盐矿床,氯化钾储量有两亿多吨。我国农业急需钾肥,国家在“七五”期间已建成年产20万吨(一期工程)的察尔汗钾肥厂,并拟在“八五”期间实施第二期工程,达到年产100万吨。“七五”国家重点科技攻关项目“青海盐湖提钾和综合利用”,正是为配合这项重点工程建设而设立的,以解决一期工程建设和生产当中的关键技术难题,并为二期工程建设提供一些可供利用和借鉴的技术,进一步综合开发利用青海的盐湖资源。
China's potassium resources are mainly distributed in the Salt Lake in Qaidam Basin, Qinghai, which Chaerhan Salt Lake is China's largest liquid potassium salt deposits, potassium chloride reserves of more than 200 million tons. China's agriculture urgently needs potash fertilizer, and the state has completed the Chaerhan potash fertilizer plant with an annual output of 200,000 tons (Phase I) during the “Seventh Five-Year Plan” period and plans to implement the second phase of the project during the “Eighth Five-Year Plan” to reach an annual output of 1,000,000 Ton. The “Seventh Five-Year” national key scientific and technological project “Qinghai Salt Lake to mention potassium and comprehensive utilization” is precisely for the construction of key projects set up to solve the first phase of construction and production of key technical problems, and for the second phase The project construction provides some technologies that can be used and borrowed to further develop and utilize the salt lake resources in Qinghai.