Sodium Cyanide na Usoro Leaching nke Arsenic na-ebu Ores

N'ihe gbasara nhazi ịnweta, ịwepụta ọla ndị bara uru sitere na ọla na-ebutekarị ihe ịma aka, karịsịa mgbe a na-emekọ ihe ndị dị mgbagwoju anya dị ka ndị nwere arsenic. Arsenic na-ebu mmanụ nwere nsogbu n'ihi mgbagwoju anya mineralogy na ihe ize ndụ gburugburu ebe obibi na ahụike metụtara arsenic. Cyanidation, usoro na-eji sodium cyanide, ogologo oge bụ usoro ọdịnala na nke etinyere n'ọtụtụ ebe maka iwepụta ọla edo n'ụdị ọla dị otú ahụ. Nke a blog post na-enyocha ngwa nke sodium cyanide na usoro leaching nke ọla ndị na-ebu arsenic, na-abanye n'ụkpụrụ ya, ihe ịma aka ya na ihe gbasara gburugburu ebe obibi.

Mgbagwoju anya nke Arsenic-Bearing Ores

N'ebe a na-egwupụta ọla edo, a na-achọpụtakarị ihe nkwụnye mmiri hydrothermal ebe a na-ejikọta mineralization ọla edo na sulfides na ogige nke ọla ntọala, arsenic, antimony, ma ọ bụ tellurium. Ụdị ịnweta nke a na-eme ka o sie ike ịnweta ọla edo site na iji usoro ndị a na-emekarị dịka njikọta, ikewapụ ike ndọda, ma ọ bụ kpọmkwem. cyanidation. Arsenic, karịsịa, nwere ike inwe mmetụta na-adịghị mma na cyanide usoro leaching. Dị ka ihe atụ, n'oge a na-asachapụ na cyaniding nke ọla edo, arsenic bụ isi ihe na-emetụta ọnụ ọgụgụ cyanide leaching nke ọla edo na ọlaọcha. Ka ọdịnaya arsenic dị na ntinye ọla edo na-arị elu, ọnụego mmịpụta nke ọla edo na ọlaọcha na-eji sodium cyanide ji nwayọọ nwayọọ na-ebelata.

Ụkpụrụ nke Cyanide Leaching na Sodium Cyanide

Usoro leaching cyanide na sodium cyanide na-adabere n'ikike nke ion cyanide iji mepụta ogige kwụsiri ike na ọla edo. N'ihe gbasara arsenic na-ebu mmanụ, ọnụnọ nke mineral arsenic na-eme ka usoro a sie ike. Arsenopyrite, ihe ịnweta arsenic na-emekarị na ọla edo, nwere ike imeghachi omume na cyanide na oxygen. Mgbe arsenopyrite oxidized na etiti alkaline, ọ na-emepụta ihe ndị nwere ike iburu n'elu mmeghachi omume site na mkpasu iwe. Otú ọ dị, oxidation na-etolitekwa ihe nwere ike ịmepụta oyi akwa n'elu arsenopyrite na-adịghị emeghachi omume, nke na-egbochi usoro ịhịa ahụ.

Atụmatụ na Usoro Leaching

Esemokwu

N'ihi ihe ịma aka ndị a na-enye mmanụ arsenic na-eweta, usoro ọgwụgwọ na-adịkarị mkpa. Nri bụbu usoro ọgwụgwọ a na-ejikarị eme ihe, ma na United States, a naghị anabata ịsa nri nke mineral ndị na-ebu arsenic dị ka arsenopyrite n'ihi iwu siri ike gburugburu ebe obibi maka ikuku arsenic. Kama nke ahụ, a na-enyocha usoro hydrometallurgical ndị ọzọ, dị ka nrụgide nrụgide, oxidation biological, na oxidation chemical.

Ọnọdụ nkuzi

Ọnọdụ ịhịa aka n'ahụ, gụnyere pH, okpomọkụ, itinye uche cyanide, na mkpasu iwe, dị oke mkpa. Mmeghachi omume mgbagwoju anya nke ọla edo na cyanide na-emekarị n'ime pH nke 9 - 12. na ule egosiwo na pH gburugburu 11 na-adịkarị mma maka usoro cyanidation. Okpomọkụ na-emetụta ọnụego mmeghachi omume, na ụfọdụ usoro na-apụta maka ọgwụgwọ arsenopyrite na-ebu ọla edo, enwere ike iji obere okpomọkụ mee ihe. A ghaghị iji nlezianya chịkwaa mkpokọta Cyanide; itinye uche dị elu nwere ike ịbawanye ọnụ ọgụgụ ntanye ahụ mana ọ nwekwara nnukwu ihe egwu gburugburu ebe obibi na nchekwa.

Ngwunye akụkụ

The urughuru size nke ore sample na-emetụtakwa leaching ọnụego. N'ozuzu, finer urughuru nha na-eduga elu gold leaching udu ka ha na-enye a ibu elu ebe maka mmeghachi omume. Otú ọ dị, imezu oke urughuru nha nwere ike ịchọkwu ume na nhazi usoro.

Ihe gbasara gburugburu na nchekwa

Cyanide bụ ihe na-egbu egbu nke ukwuu, na ojiji ya na ụlọ ọrụ Ngwuputa na-ebute nchegbu gburugburu ebe obibi na nchekwa. Mmiri mmiri na-ekpofu sodium cyanide nwere ike ịkpata ọkwa dị iche iche nke mmetọ gburugburu ebe obibi. N'ihe gbasara mwụfu cyanide, ọ nwere ike imerụ ala, isi mmiri, ma mebie anụ ọhịa. Ya mere, a na-etinye usoro nchekwa siri ike n'oge nchekwa, njem na iji sodium cyanide. Ekwesịrị ịchekwa ya na ebe ikuku na-ekpo ọkụ na nkụ, ọkacha mma na ụlọ nkwakọba ihe pụrụ iche ma ọ bụ kabinet nwere mkpọchi okpukpu abụọ. A na-achọ nyocha na mmezi mgbe niile n'oge nchekwa, yana okpomọkụ na iru mmiri nke ebe nchekwa ahụ kwesịrị ịchịkwa.

Nhọrọ na Echiche Ọdịnihu

Nyere ihe ịma aka na ihe egwu dị na iji cyanide eme ihe, enwere mmasị na-abawanye n'ịmepụta ụzọ ọzọ maka ịwepụta ọla edo n'ime ọla ndị na-ebu arsenic. A na-enyocha ihe na-abụghị cyanide leaching, dị ka thiosulfate, thiourea, na ụfọdụ ihe na-ahụ maka gburugburu ebe obibi. Ọzọkwa, a na-atụ anya na ọganiihu na teknụzụ pretreatment na usoro mmịpụta nke ọma ga-eme ka mgbake ọla edo sitere na ọla ndị na-ebu arsenic ma na-ebelata mmetụta gburugburu ebe obibi.

N'ikpeazụ, ọ bụ ezie na sodium cyanide na-anọgide na-abụ ihe dị mkpa na-agbapụta mmanụ arsenic. mmịpụta ọla edo, ụlọ ọrụ ahụ na-agbanwe mgbe niile iji dozie nsogbu ndị metụtara ya. Site n'ịghọta mmekọrịta dị mgbagwoju anya na usoro ịhịa aka n'ahụ, na-emejuputa nchekwa kwesịrị ekwesị na usoro gburugburu ebe obibi, na ịchọpụta teknụzụ ndị ọzọ, ụlọ ọrụ na-egwuputa ihe nwere ike ịgbalịsi ike maka ụzọ mmepụta ihe na-adịgide adịgide na nke ọma.