Lithium and Potassium Resources of Oilfield Brine and Development Prospects in China
Potash fertilizer is the fertilizer of grain.For a country with 1.4 billion population,the stable sup-ply of potash products plays a very important role in national economy and security.Lithium is the"new en-ergy rich in the 21st century".In recent years,with the rapid development of the global new energy indus-try,lithium resources have been highly concerned by countries around the world.At present,two kinds of resources of China's potassium,lithium depend on existence degree to be high externally,self-sufficiency is insufficient,need to raise Chian's potassium,lithium resources guarantee degree by actively seeking ore,make full use of international resources and so on way.The proved potassium and lithium resources are mostly deposited in the salt lake brine deposit,but after years of surface salt lake production and serious consumption of surface salt lake resources,the search for potassium and lithium in the Marine stratum has not yet made a breakthrough.The deep underground brine can become the follow-up reserve of our lithium potassium resource requirement.China's deep underground brine is mainly distributed in the west of Chaixi,Sichuan,Hubei,Jiangxi and other places.It has rich resources,rich potassium,lithium,boron and other high grade elements,and has very good economic value.However,the degree of work is not enough at present,and the industrial exploitation has not been realized due to the problems of mining tech-nology and cost.In this paper,the key blocks in the deep underground brine water chemical characteristics and distribution regularities is summarized,based on deep brine resources evaluation of existing data,put forward the next key research proposal blocks,for subsequent deep brine potassium,lithium resources evaluation in our country,such as comprehensive extraction technology and research provide technology support.
Deep underground brineOil field brineLithium resourcesPotassium resources