Sodium cyanide, kemịkalụ dabara adaba maka mkpochapụ ogbunigwe ọla edo

UnitedChemicals05-13-2025ngwa14170

Sodium cyanide, kemịkalụ dabara adaba maka mkpochapụ nke ogbunigwe ọla edo Cyanide Gold Mining Leaching Extraction Nke 1 foto

Na ụwa nke Ngwuputa ọla edo, mwepu nke ọla edo site na ọla bụ usoro dị mgbagwoju anya ma na-adọrọ mmasị. Otu kemịkalụ na-arụ ọrụ dị mkpa na usoro a bụ sodium cyanide. Ihe karịrị otu narị afọ, sodium cyanide abụrụla ihe dị mkpa n'iwepụta ọla edo site na ọla, ma ruo taa, ọ ka bụ usoro mmịpụta kacha arụ ọrụ nke ọma n'ọtụtụ ọrụ ngwupụta ọla edo.

Ihe ndabere nke sodium cyanide

sodium cyanide (NaCN) bụ ngwakọta nke nwere otu cyano, nke nwere carbon na nitrogen nwere okpukpu atọ. Ọ nwere ike ịdị n'ụdị siri ike na nke mmiri mmiri. siri ike sodium cyanide A na-emepụtakarị dị ka briquette ọcha kristal, nke a makwaara dị ka "cyanoid." Briquettes ndị a na-agbaze nke ukwuu, na-eme ka ọ dị mfe iji mee ihe na usoro Ngwuputa. N'aka nke ọzọ, sodium cyanide mmiri mmiri na-ebuga na saịtị m site na ebumnuche - tankị ISO wuru nke dabara adaba maka njem okporo ụzọ ma ọ bụ ụgbọ okporo ígwè.

Otu esi eji sodium Cyanide na-egwupụta ọla edo

A maara usoro iji sodium cyanide wepụ ọla edo site na ọla Cyanide leaching ma ọ bụ cyanidation. Nke a bụ ntụle nzọụkwụ-site-nzọụkwụ nke otu usoro a si arụ ọrụ:

  1. Nkwadebe ore: Nke mbụ, a na-eji ígwè ọrụ mmepụta ihe na-agbaji ọla-edo ahụ n'ime ntụ ntụ. Nke a na-abawanye ebe elu nke ore, na-enye ohere maka kọntaktị ka mma na ngwọta sodium cyanide.

  2. Ịmụ ihe: Mgbe ahụ, a na-agbakwunye ọla a gbajiri agbaji na ngwọta nke sodium cyanide nke a na-enyocha nke ọma. N'oge usoro a, ụmụ irighiri ọla edo na-etolite njikọ siri ike na sodium cyanide, na-aghọ mmiri - soluble. Enwere ike ịnọchite anya mmeghachi omume kemịkalụ site na nha anya: 4 Au + 8 NaCN+O₂ + 2 H₂O = 4 Na(Au(CN)₂)+4 NaOH. Na mmeghachi omume a, ọla edo na-emeghachi omume na sodium cyanide, oxygen, na mmiri iji mepụta ọla edo soluble - cyanide complex, sodium aurocyanide (Na(Au(CN)₂)).

  3. Nkewa: Mgbe agbazechara ọla edo n'ime ihe ngwọta, nzọụkwụ ọzọ bụ ikewapụ ya na mmanụ fọdụrụ na ihe ndị ọzọ adịghị ọcha. Otu ụzọ a na-ahụkarị bụ iji zinc mee ka ọla edo si na ngwọta pụta. Zinc na-emeghachi omume na ọla edo - cyanide complex, na-ewepụ ọla edo ma na-akpụ zinc - cyanide complex, si otú a na-atụgharị ọla edo ahụ n'ụdị siri ike. Ụzọ ọzọ bụ iji carbon na-arụ ọrụ iji gbasaa ọla edo - cyanide complex si na ngwọta. A na-ahazikwa carbon ọla edo bujuru ya ka ọ nwetaghachi ọla edo ahụ.

Uru nke Iji Sodium Cyanide na Ngwuputa ọla edo

  1. Ọnụ - arụmọrụ: Sodium cyanide dị ọnụ ala tụnyere ụfọdụ ụzọ ndị ọzọ nke Mwepụta ọla edo. Nke a na-eme ka ọ bụrụ nhọrọ mara mma maka ụlọ ọrụ ndị na-egwuputa ihe, karịsịa mgbe ha na-arụ ọrụ nnukwu ọrụ ma ọ bụ obere ọkwa ọkwa.

  2. Nnukwu arụmọrụ: Cyanide leaching nwere ike nweta ọnụego mmịpụta ọla edo dị elu, na-agafe 90% n'ọtụtụ ọnọdụ. Nke a pụtara na enwere ike nweta ọla edo karịa site na ọla, na-abawanye uru nke ọrụ Ngwuputa.

  3. Solubility: Sodium cyanide nwere ezigbo solubility na mmiri, na-ekwe ka ọ gbasaa ngwa ngwa ma meghachi omume na ọla edo dị na ore, nke na-enyere aka mee ka usoro mmịpụta dị ngwa ngwa.

Nchekwa na nchekwa gburugburu

Ọ dị mkpa ịmara na sodium cyanide bụ kemịkalụ na-egbu egbu nke ukwuu. Otú ọ dị, ụlọ ọrụ na-egwuputa ihe nwere ụkpụrụ nchekwa siri ike iji hụ na ejiri sodium cyanide dị mma. N'ezie, na North America na Australia, enwebeghị ọnwụ nke cyanide n'etiti ndị ọrụ m n'ime ihe karịrị 100 afọ. Mgbe a na-ejikwa sodium cyanide, a chọrọ ndị ọrụ ka ha yi uwe nchebe kwesịrị ekwesị, dị ka ihe mkpuchi iji chebe uzuzu ikuku ma ọ bụ gas nwere ọnụọgụ cyanide.

Site n'echiche gburugburu ebe obibi, isi ihe na-echegbu bụ ikike nke cyanide nwere ike ịbanye n'ime mmiri dị n'elu. Azụ na-enwe mmetụta nke ọma na cyanide karịa ụmụ mmadụ, na iji cyanide eme ihe n'ụzọ na-ezighị ezi nwere ike inwe mmetụta dị njọ na gburugburu ebe obibi. Iji belata ihe ize ndụ a, ụlọ ọrụ ndị na-egwuputa ihe na-eji ụzọ dị iche iche jikwaa na ịgwọ cyanide - nwere ngwọta. Dịka ọmụmaatụ, ha nwere ike iji na - ụlọ ọrụ ọgwụgwọ saịtị iji kpochapụ cyanide tupu ịwụsa mmiri ọ bụla. Na mgbakwunye, ọtụtụ ogbunigwe nwere sistemu nchekwa iji gbochie mwepụta nke cyanide na mberede - nwere ihe ngwọta.

mmechi

Sodium cyanide abụrụla, ma na-aga n'ihu na-abụ, kemịkalụ dị oke mkpa na ụlọ ọrụ na-egwupụta ọla edo. Ikike ya iji wepụta ọla edo nke ọma na ọla n'ọnụ ego dị ọnụ ala emeela ka ọ bụrụ akụkụ dị mkpa na ọrụ ngwupụta ọla edo ọgbara ọhụrụ. Ọ bụ ezie na nchekwa na gburugburu ebe obibi na-ejikọta ya na iji ya, ụlọ ọrụ na-egwuputa ihe na-enwe ọganihu dị ukwuu n'ịzụlite usoro njikwa nchekwa na usoro nlekọta gburugburu ebe obibi dị irè. Ka nkà na ụzụ na-aga n'ihu, ọ ga-adọrọ mmasị ịhụ ma ụzọ ọhụrụ nke mmepụta ọla edo na-apụta, ma ugbu a, sodium cyanide ka bụ isi ihe na-achọsi ike imeghe uru ọla edo sitere na ọla.

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