Ọrụ Hydrogen Peroxide n'ime usoro ịhịa aka n'ahụ nke sodium Cyanide

Okwu Mmalite

N'ọhịa nke mmịpụta ọla edo na ọla ndị ọzọ - usoro mgbake, cyanide leaching, karịsịa na sodium cyanide, bụ usoro a na-ejikarị eme ihe kemgbe ihe karịrị otu narị afọ. Usoro a, nke na-emepụta metal soluble - cyanide mgbagwoju anya, dị irè mana ọ na-eche ọtụtụ ihe ịma aka ihu. Otu isi okwu bụ ọsọ mmeghachi omume dị nwayọ na ihe achọrọ maka inye oxygen zuru oke iji gbazee ọla dị ka ọla edo. Nke a bụ ebe hydrogen peroxide (H₂O₂) apụtala dị ka ihe mgbakwunye na-ekwe nkwa iji melite usoro leaching cyanide.

Ihe ndabere nke Cyanide Leaching

Cyanide leaching na-arụ ọrụ n'ihi na ion cyanide nwere ike iji ọla mee ihe iji mepụta ogige kwụsiri ike na nke soluble. A bịa n'iwepụta ọla edo, ikuku oxygen na-arụ ọrụ dị mkpa dị ka onye na-ahụ maka oxidizing. Ọ na-enyere aka ịtụgharị ọla edo ka ọ bụrụ ụdị nke nwere ike jikọta ya na ion cyanide, na-eme ka mgbagwoju anya soluble nke nwere ike imeziwanye ya iji nweta ọla edo. Otú ọ dị, n'ọtụtụ ọla, ikuku oxygen dị n'ikuku adịghị ezughị ezu. Ụkọ a na-eduga na mmeghachi omume ngwa ngwa na mmịpụta ígwè ezughị ezu.

Kedu ka hydrogen peroxide si enyere aka na Cyanide leaching

1. Oxygen Supply

Hydrogen peroxide bụ ihe na-emepụta ihe na-emepụta ihe. Mgbe etinyere ya na cyanide leaching solution, ọ na-agbaji ma hapụ oxygen. Oxygen ọzọ a na-enye na-ebuli elu oxidation nke ọla n'oge usoro leaching. N'ime ores nwere mineral sulfide, dịka ọmụmaatụ, oxidation nke sulfide ndị a site na oxygen dị oke mkpa maka ịtọhapụ ọla edo dị n'ime. Oxygen nke hydrogen peroxide wepụtara nwere ike ime ka usoro oxidation a dị ngwa, na-eme ka ọ dịrị cyanide mfe imeghachi ya na ọla edo ma emechaa.

2. Na-eme ka ọ̀tụ̀tụ̀ ịgba akwụkwọ ọsọ ọsọ

Nnyocha e mere egosiwo na hydrogen peroxide nwere ike ịbawanye ọsọ ọsọ nke usoro leaching cyanide. Ọ bụghị naanị na-enyekwu oxygen; ọ na-ekerekwa òkè na mmeghachi omume kemịkalụ nke na-akụda ihe nchebe n'elu ihe ndị dị na ore. Mgbe ụfọdụ, sulfide metal ma ọ bụ mineral ndị ọzọ na-etolite oyi akwa na ọla edo - ihe na-ebu, nke na-akwụsị cyanide site na iru ọla edo. Hydrogen peroxide nwere ike imeghachi omume n'ígwé ndị a, ma ọ bụ site na oxidize ha ma ọ bụ site n'ikewapụ ha n'anụ ahụ site n'omume free radicals nke emepụtara n'oge ire ere ya. Nke a na-enye ohere ion cyanide ohere ịnweta ọla edo ngwa ngwa, si otú a na-abawanye ọnụego nke agbaze ọla edo.

3. Mbelata Cyanide oriri

Na cyanide leaching omenala, a na-eji nnukwu cyanide mee ihe ọ bụghị nanị na mmeghachi omume na ọla edo kamakwa na mmeghachi omume n'akụkụ ya na ion metal ndị ọzọ dị na ore, dị ka ọla kọpa, zinc, na ígwè. Mmeghachi omume n'akụkụ ndị a na-ebelata arụmọrụ nke ọla edo - mmeghachi omume cyanide ma na-abawanye ọnụ ahịa nke usoro leaching. Hydrogen peroxide nwere ike inye aka belata ojiji cyanide n'ụzọ abụọ. Nke mbụ, site n'ịkwalite oxidation nke ọla edo, ọ na-akwalite nhazi nke ọla edo - cyanide mgbagwoju ngwa ngwa, na-ahapụ obere oge maka cyanide iji meghachi omume na ọla ndị ọzọ. Nke abụọ, hydrogen peroxide nwere ike ịgbanwe ọdịdị nke ụfọdụ ion metal na-etinye aka na ya ka ha na-emeghachi obere ihe na cyanide. Dịka ọmụmaatụ, ọ nwere ike ịtụgharị ion ferrous ka ọ bụrụ ion ferric. Ion ferric na-eji cyanide na-etolite ogige ndị kwụsiri ike, na-ebelata ọnụọgụ cyanide n'iyi na mmeghachi omume akụkụ na-adịghị arụpụta.

Ọmụmụ ikpe na ihe akaebe nnwale

Ọtụtụ nnwale ụlọ nyocha na nnwale ụlọ ọrụ egosila ịdị irè nke hydrogen peroxide na leaching cyanide. N'otu nyocha nke siri ike - ịhazi ọla ọla edo, na-agbakwunye hydrogen peroxide na ngwọta cyanide leaching na-amụba ọnụ ọgụgụ leaching ọla edo site na 20 - 30% ma e jiri naanị ikuku ikuku na-ekpo ọkụ. E wedatakwara oge nlegharị anya nke ọma, site na ọtụtụ ụbọchị ruo naanị awa ole na ole.

N'ime ngwa ogbunigwe ọla edo nke ụlọ ọrụ mmepụta ihe, iji hydrogen peroxide na usoro leaching cyanide butere mbelata 15% oriri cyanide ka na-ejigide oke mgbake ọla edo. Ọ bụghị naanị na nke a wedara ụgwọ ọrụ metụtara ịzụrụ cyanide kamakwa belata ihe egwu gburugburu ebe obibi metụtara ojiji na mkpofu cyanide.

Atụmatụ maka iji hydrogen peroxide

1. Ntinye uche

Ọnụ ego kachasị mma nke hydrogen peroxide iji gbakwunye na ngwọta cyanide leaching na-adabere n'ihe dị iche iche, gụnyere ụdị ọla, ntinye nke cyanide ugbua na ngwọta, na ọnụnọ nke mineral ndị ọzọ. N'ozuzu, achọpụtara na mkpokọta n'etiti 0.1 - 1% (site na olu) na-arụ ọrụ nke ọma n'ọtụtụ ọnọdụ. Ma ọ bụrụ na ịta ahụ dị oke elu, ọ nwere ike ime ka ọ ghara ịdị n'elu - oxidation nke ọla, gụnyere ọla edo. Nke a n'ofe-oxidation nwere ike ịmepụta ogige ọla edo na-agbaze obere ma belata ọnụọgụ ọla edo enwere ike nwetaghachi.

2. Njikwa pH

Ọkwa pH nke ngwọta leaching dị ezigbo mkpa mgbe ị na-eji hydrogen peroxide. Cyanide leaching na-emekarị na pH dị elu (ihe dịka 9 - 12) iji gbochie ịmepụta gas cyanide hydrogen na-egbu egbu. Hydrogen peroxide kwụsiri ike na ụkpụrụ pH dị elu. Otú ọ dị, ọ bụrụ na pH dị oke elu, ọ nwere ike ibelata ịdị irè nke hydrogen peroxide dị ka onye na-emepụta ihe. Ya mere, ọ dị mkpa iji nlezianya chịkwaa pH iji hụ na ma cyanide na hydrogen peroxide na-arụ ọrụ nke ọma na usoro leaching.

3. Nchedo

Hydrogen peroxide bụ ihe na-egbu egbu siri ike ma nwee ike ịdị ize ndụ ma ọ bụrụ na ejirighị ya nke ọma. Ọ nwere ike kpasuo akpụkpọ ahụ na anya iwe, na n'ụdị gbadoro anya, ọ nwere ike ịbụ ihe mgbawa. Mgbe ị na-eji hydrogen peroxide na cyanide leaching, a ga-emerịrị usoro nchekwa kwesịrị ekwesị. Nke a gụnyere iji ngwa nchedo onwe onye, ​​nchekwa na ijikwa kemịkalụ nke ọma.

mmechi

Hydrogen peroxide egosila nnukwu ikike dị ka ihe mgbakwunye na sodium cyanide usoro leaching. Site n'inyekwu ikuku oxygen, na-eme ka ọ̀tụ̀tụ̀ mmiri dị ngwa ngwa, na ibelata oriri cyanide, ọ nwere ike ịkwalite arụmọrụ na ike akụ na ụba nke mmịpụta ígwè, karịsịa maka ọla edo. Agbanyeghị, dịka usoro kemịkalụ ọ bụla, njikarịcha nke ọma na nrube isi na usoro nchekwa dị mkpa maka mmejuputa ya nke ọma. Ka ụlọ ọrụ na-egwuputa ihe na-aga n'ihu na-achọ ụzọ mmepụta nke ọma na nke na-adịgide adịgide, iji hydrogen peroxide na cyanide leaching nwere ike ịghọ ọbụna ihe dị mkpa n'ọdịnihu.