Ọrụ Sodium Sulfide na-arụ na nhazi nke ịnweta

Okwu Mmalite

Na mgbagwoju na dị oké mkpa ubi nke nhazi ịnweta, dị iche iche chemical reagents na-arụ isi ọrụ na optimizing nkewa na mmịpụta nke bara uru mineral. N'ime ndị a, sodium sulfide (Na₂S) pụtara dị ka kemịkalụ dị iche iche na nke a na-ejikarị eme ihe. Ọ nwere ọtụtụ ọrụ na ụdị dị iche iche nke ịnweta nhazi ọrụ, karịsịa na sere n'elu Usoro, nke bụ isi maka mgbake nke ọma nke mineral site na ore.

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 dị irè onye na-emechi ihe maka ọtụtụ mineral sulfide mgbe ejiri ya n'ọtụtụ buru ibu. Usoro nke mmetụta mgbochi ya na mineral sulfide n'ozuzu na-ebelata dị ka ndị a: galena, sphalerite, chalcopyrite, bornite, covellite, pyrite, na chalcocite. N'ụzọ doro anya, n'ihi ọmarịcha floatability eke nke molybdenite, sodium sulfide enweghị ike igbochi ya. A na-eji njirimara a eme ihe na flotation nke molybdenite, ebe Na₂S nwere ike iji gbochie flotation nke mineral sulfide ndị ọzọ, na-enye ohere maka nhọrọ nkewa 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. Ore Minerology: Ụdị dị iche iche nke ore mineralogy nwere ike inwe mmetụta dị ukwuu. Dịka ọmụmaatụ, na oxide ore sulfidization, njikọ - ịdị adị nke mineral dị iche iche dị ka galena, sphalerite, na cerussite na ore nwere ike ime ka usoro mmeghachi omume sie ike. N'otu aka ahụ, ọnụnọ nke mineral oxide dị iche iche dị ka malachite, azurite, atcamite, na chrysocolla ọnụ na-emetụtakwa mmetụta sulfidization.

2. Sodium sulfide - na-eri mineral: mineral dị ka pyrite, marcasite, talc, cerussite, clays, slimes, alkaline earth salts, gypsum, na chlorides nwere ike iri sodium sulfide. Oriri a nwere ike ibute oke sodium sulfide ezughị oke maka mmeghachi omume achọrọ na usoro ịkwọ ụgbọ mmiri, si otú a belata ịdị irè ya.

3. pH Uru: N'ihe dị elu nke sodium sulfide, pH nke pulp ore nwere ike ibu oke. Ọnọdụ pH a dị oke egwu nwere ike ọ bụghị naanị imetụta mmeghachi omume kemịkalụ nke sodium sulfide na mineral kamakwa ọ na-emetụta arụmọrụ nke reagents ndị ọzọ na sistemụ flotation, n'ikpeazụ na-emetụta nkewa na mgbake nke mineral.

4. Ebe na Ọnụọgụ nke Mgbakwụnye Sodium Sulfide: Isi na ọnụ ọgụgụ nke ugboro sodium sulfide agbakwunyere n'oge usoro flotation dịkwa oke mkpa. Ebe mgbakwunye na-ezighi ezi ma ọ bụ ọnụọgụ mgbakwunye na-ezighi ezi nwere ike bute nkesa na-ezighi ezi nke sodium sulfide na pulp ore ma ọ bụ mmeghachi omume n'oge, nke abụọ nwere ike ibelata arụmọrụ nke ọrụ ya.

5. Ihe mejupụtara mmiri: Ngwakọta nke mmiri a na-eji na-eme ihe na-eme ka mmiri na-ebugharị, karịsịa ọdịnaya nke calcium, magnesium ions, na mmiri siri ike, 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 ịnweta.

mmechi

Sodium sulfide na-arụ ọrụ dị iche iche na nke dị mkpa na nhazi ịnweta, karịsịa na flotation. Ọ na-arụ ọrụ dị ka inhibitor. onye na-ahụ maka sulfidizing, desorbing agents, na ikike ya iwepụ ion ndị na-emerụ ahụ na-enye aka na nkewa nke ọma na mgbake nke mineral bara uru sitere na ụdị ọla dị iche iche. Otú ọ dị, iji jiri ikike nke sodium sulfide mee ihe n'ụzọ zuru ezu, ọ dị mkpa iji nlezianya tụlee ma chịkwaa ihe dị iche iche nke nwere ike imetụta arụmọrụ ya na gburugburu mgbagwoju anya nke nhazi ịnweta. Site n'ime nke a, ụlọ ọrụ na-ahụ maka ịnweta ịnweta nwere ike nweta ọnụego mgbake ihe onwunwe dị elu, ọnụ ahịa mmepụta ihe dị ala, yana mmepe na-adịgide adịgide.