Ọrụ Sodium Sulfide na-arụ na nhazi nke ịnweta

Okwu Mmalite

N'ihe dị mgbagwoju anya ma dị mkpa nke nhazi mineral , ọtụtụ ihe ndị na-emepụta kemịkalụ na-arụ ọrụ dị mkpa n'ịhazi nkewa na mwepụta nke mineral bara uru. N'ime ihe ndị a, sodium sulfide (Na₂S) pụtara ìhè dị ka kemịkalụ dị iche iche ma ejiri ya mee ihe nke ukwuu. O nwere ọtụtụ ọrụ n'ụdị ọrụ nhazi mineral dị iche iche, ọkachasị na usoro flotation , nke bụ isi maka mgbake nke mineral site na ores nke ọma.

Njirimara kemịkalụ nke sodium sulfide

Sodium sulfide bụ nnu sitere na hydrogen sulfide, acid dibasic na-adịghị ike. Na aqueous ngwọta na ụlọ okpomọkụ na otu ikuku mgbali, n'etiti ihe karịrị 30 molekul na ionic sọlfọ ụdị, naanị isii bụ thermodynamically kwụsie ike: HSO₄⁻, SO₄²⁻, H₂S, HS⁻, na S²⁻. pH nke sistemu mmiri bụ ihe dị mkpa na-achịkwa mgbanwe na oxidation nke hydrogen sulfide. N'okpuru pH 6. "molecular hydrogen sulfide" bụ ụdị sọlfọ a na-ebelata kachasị. Na pH 7. ụdị sọlfọ na-ebelata na ngwọta na-ekewa n'ụzọ zuru oke n'etiti "hydrogen sulfide gbazere" na ụdị bisulfide (HS⁻), na HS⁻ bụ ụdị kachasị na pH nke 8-11.

Ọrụ nke Sodium Sulfide na Nhazi Mineral

Ihe mgbochi nke Sulfide mineral

Sodium sulfide bụ ihe na-egbochi ọtụtụ mineral sulfide mgbe ejiri ya n'ọtụtụ buru ibu. Usoro nke mmetụta mgbochi ya na mineral sulfide na-ebelatakarị dịka ndị a: galena, sphalerite, chalcopyrite, bornite, covellite, pyrite, na chalcocite. Ihe pụrụ iche bụ na n'ihi ịdị mma nke molybdenite n'ime mmiri, sodium sulfide enweghị ike igbochi ya. A na-eji njirimara a eme ihe na molybdenite, ebe enwere ike iji Na₂S gbochie flotation nke mineral sulfide ndị ọzọ, na-enye ohere maka nkewa nhọrọ nke molybdenite.

Onye nnọchi anya sulfidizing maka igwe anaghị agba nchara

Ndị na-anakọta xanthate enweghị ike ijide ọla oxide na-abụghị nke igwe. Otú ọ dị, mgbe agbakwunyere sodium sulfide na ore pulp tupu xanthate flotation, ọ na-emeghachi omume na elu nke metal oxide mineral na-abụghị ferrous metal flotation. Mmeghachi omume a na-eme ka e guzobe ihe nkiri dị mkpa nke mineral sulfide n'elu ala nke mineral oxide. Dịka ọmụmaatụ, mgbe ọla ọcha na-emeghachi omume na sodium sulfide, agba elu ya na-agbanwe site na ọcha gaa ọchịchịrị; na mgbe malachite na-emeghachi omume na sodium sulfide, agba elu ya na-agbanwe site na akwụkwọ ndụ akwụkwọ ndụ gaa na ojii ojii. Mgbanwe agba ndị a na-egosi nhazi nke ọma nke ihe nkiri sulfide dị iche na ịnweta mbụ. Mgbe sulfidization gasịrị, xanthate nwere ike weghara mineral ndị a nke ọma, si otú a na-emeziwanye mgbake flotation nke ọla oxide na-abụghị ferrous.

Onye na-eme ihe na-ekpochapụ ihe maka Sulfide Mineral Mixed Concentrates

Mgbe a na-eji nnukwu sodium sulfide mee ihe, ọ nwere ike desorb xanthate - ụdị ndị na-anakọta ihe na-adaba n'elu mineral. Na nkewa nke ndu - zinc agwakọta concentrates ma ọ bụ ọla kọpa - ndu agwakọta concentrates, ore pulp nwere ike ibu ụzọ tinye uche. Mgbe ahụ, a na-agbakwunye nnukwu sodium sulfide iji mee ka ndị na-anakọta ihe dị n'elu ịnweta. Mgbe nke ahụ gasịrị, a na-asacha pulp ahụ, a na-agbakwunyekwa mmiri dị ọhụrụ iji megharịa pulp maka ịkwọ ụgbọ mmiri na-esote. Usoro a na-enyere aka iwepụ nnyonye anya nke ndị na-anakọta mbụ ma na-eme ka nkewa nke ọma dị iche iche dị iche iche na-eme ka ọ dị mma na ntinye uche.

Na-ekpochapụ ion ndị na-emerụ ahụ n'ime mkpụrụ osisi ore

Sodium sulfide nwere ike imeghachi omume na ọtụtụ ion metal iji mepụta sulfide na-adịghị edozi. Na pulp ore, a na-enwekarị ụfọdụ ion ígwè nwere ike inwe mmetụta na-adịghị mma na flotation, dị ka ụfọdụ ion metal arọ. Site n'ịgbakwụnye sodium sulfide, enwere ike iwepụ ion ọla ndị a na-emerụ ahụ na pulp ore n'ụdị sulfide precipitates, si otú a na-emepụta ebe kemịkalụ dị mma maka ịkwọ ụgbọ mmiri na imeziwanye arụmọrụ n'ozuzu ya.

Ihe na-emetụta ojiji nke sodium sulfide na nhazi mineral

1. Nkà Mmụta Ihe Ore : Ụdịdị nke mineralogy nke mineralogy nwere ike inwe mmetụta dị ukwuu. Dịka ọmụmaatụ, na oxide ore sulfidization, ọnụnọ nke mineralogy dị iche iche dịka galena, sphalerite, na cerussite n'ime mineralogy nwere ike ime ka usoro mmeghachi omume sikwuo ike. N'otu aka ahụ, ọnụnọ nke mineralogy dị iche iche dịka malachite, azurite, atacamite, na chrysocolla ọnụ na-emetụtakwa mmetụta sulfidization.

2. Sodium Sulfide - Ihe ndị na-eri mineral : Ihe ndị dị ka pyrite, marcasite, talc, cerussite, clays, slime, nnu ala alkaline, gypsum, na chlorides nwere ike iri sodium sulfide. Oriri a nwere ike ibute enweghị oke sodium sulfide dị maka mmeghachi omume achọrọ na usoro flotation, si otú a belata irè ya.

3. Uru pH : Mgbe a na-etinye sodium sulfide n'ọtụtụ ọgwụ, pH nke ihe ndị dị n'ime ọla ahụ nwere ike ịdị oke oke. Ọnọdụ pH a dị oke njọ nwere ike ọ bụghị naanị imetụta mmeghachi omume kemịkalụ nke sodium sulfide na mineral kamakwa ọ nwere ike imetụta arụmọrụ nke ihe ndị ọzọ na-emegharị ahụ na sistemụ flotation, na-emesịa na-emetụta nkewa na mgbake nke mineral.

4. Ọnọdụ na Ọnụọgụgụ nke Usoro Mgbakwunye Sodium Sulfide : Isi na ọnụọgụgụ ugboro ole a na-etinye sodium sulfide n'oge usoro mmiri mmiri dịkwa oke mkpa. Ebe mgbakwunye na-ezighi ezi ma ọ bụ ọnụọgụgụ nke usoro mgbakwunye na-ezighi ezi nwere ike ibute nkesa sodium sulfide na pulp nke ọla ma ọ bụ mmeghachi omume na-adịghị mma, nke abụọ nwere ike ibelata arụmọrụ nke ọrụ ya.

5. Ihe mejupụtara mmiri : Mmiri e ji eme ihe n'usoro mmiri a na-agbagharị agbagharị, ọkachasị ihe dị n'ime calcium, magnesium ion, na ike mmiri, nwere ike imekọrịta na sodium sulfide na mineral. Mmekọrịta ndị a nwere ike ịkwalite ma ọ bụ gbochie mmeghachi omume nke sodium sulfide, si otú a na-emetụta ọrụ ya na nhazi mineral.

mmechi

Sodium sulfide na-arụ ọrụ dị iche iche ma dịkwa oke mkpa na nhazi mineral, ọkachasị na flotation. Ọ na-arụ ọrụ dị ka ihe mgbochi, ihe na-eme ka sulfid dị , ihe na-eme ka ihe ghara ịdị mma, na ikike ya iwepụ ion ndị na-emerụ ahụ na-enye aka nke ukwuu na nkewa na mgbake nke mineral bara uru site na ụdị mineral dị iche iche. Agbanyeghị, iji jiri ike sodium sulfide mee ihe nke ọma, ọ dị mkpa ịtụle ma chịkwaa ihe dị iche iche nwere ike imetụta arụmọrụ ya na gburugburu ebe dị mgbagwoju anya nke nhazi mineral. Site n'ime nke a, ụlọ ọrụ nhazi mineral nwere ike nweta ọnụego mgbake akụrụngwa dị elu, obere ọnụ ahịa mmepụta, na mmepe na-adịgide adịgide.