Thiourea, e nang le foromo ea molek'hule ea (NH2) 2CS, ke kristale e tšoeu ea orthorhombic kapa acicular e khanyang.Mekhoa ea indasteri ea ho lokisa thiourea e kenyelletsa mokhoa oa amine thiocyanate, mokhoa oa lime nitrogen, mokhoa oa urea, joalo-joalo Ka mokhoa oa lime nitrogen, lime nitrogen, khase ea hydrogen sulfide le metsi li sebelisoa bakeng sa hydrolysis, reaction reaction, filtration, crystallization le ho omisa ka har'a motsoako. kettle ho fumana sehlahisoa se felileng.Mokhoa ona o na le melemo ea ho phalla ha nako e khutšoanyane, ha ho na tšilafalo, theko e tlaase le boleng bo botle ba sehlahisoa.Hajoale, lifeme tse ngata li sebelisa mokhoa oa lime nitrogen ho lokisa thiourea.
Ho latela boemo ba 'maraka, China ke mohlahisi e moholo ka ho fetisisa oa thiourea lefatšeng.Ntle le ho finyella tlhokahalo ea malapeng, lihlahisoa tsa eona li boetse li romeloa Japane, Europe, United States, Asia Boroa-bochabela le linaheng tse ling le libaka.Mabapi le ts'ebeliso e tlase ea noka, thiourea e sebelisoa haholo joalo ka lisebelisoa tse tala bakeng sa ho etsa chefo e bolaeang likokoanyana, meriana, lik'hemik'hale tsa elektroniki, li-additives tsa lik'hemik'hale, hammoho le moemeli oa flotation oa khauta.
Lilemong tsa morao tjena, tlhahiso ea thiourea Chaena e tsoetse pele ho isa bohōleng bo itseng, e nang le matla a lithane tse 80,000 / selemo le bahlahisi ba fetang 20, bao ho feta 90% ea bahlahisi ba letsoai la barium.
Japane, ho na le lik'hamphani tse 3 tse hlahisang thiourea.Lilemong tsa morao tjena, ka lebaka la ho fokotseha ha ore, ho eketseha ha litšenyehelo tsa matla, tšilafalo ea tikoloho le mabaka a mang, tlhahiso ea barium carbonate e fokotsehile selemo le selemo, e leng se fellang ka ho fokotseha ha tlhahiso ea hydrogen sulfide, e fokotsang tlhahiso ea thiourea.Ho sa tsotellehe kholo e potlakileng ea tlhokahalo ea 'maraka, matla a tlhahiso a fokotsehile haholo.Sehlahisoa se ka ba lithane tse 3000 ka selemo, ha tlhoko ea 'maraka e ka ba lithane tse 6000 ka selemo,' me lekhalo le romelloa ho tsoa Chaena.Ho na le lik'hamphani tse peli Europe, SKW Company e Jeremane le SNP Company e Fora, e nang le kakaretso ea lithane tse 10,000 ka selemo.Ka nts'etsopele e tsoelang pele ea thiourea ho chefo e bolaeang likokoanyana le litšebeliso tse ling tse ncha, Netherlands le Belgium li fetohile bareki ba bangata ba thiourea.Tšebeliso ea selemo le selemo ea 'maraka ho The European market e ka bang lithane tse 30,000, tseo lithane tse 20,000 tsa tsona li lokelang ho romelloa ho tsoa Chaena.Khamphani ea ROBECO United States e na le tlhahiso ea selemo le selemo ea thiourea ea lithane tse ka bang 10,000 / selemo, empa ka lebaka la ts'ireletso e matla ea tikoloho, tlhahiso ea thiourea e fokotseha selemo le selemo, e leng hole le ho kopana le tlhokahalo ea 'maraka.E hloka ho tlisa lithane tse fetang 5,000 tsa thiourea ho tsoa Chaena selemo se seng le se seng, e sebelisoang haholo ho chefo e bolaeang likokoanyana, meriana le masimong a mang.
Nako ea poso: Dec-06-2021