Ngwa nke Sodium Hexametaphosphate na Mineral Flotation

Okwu Mmalite

Ngwuputa ihe nke mineral bụ ụzọ a na-ejikarị eme ihe n'ụlọ ọrụ igwu ala iji kewaa mineral bara uru na mineral gangue. Ọ dabere na ọdịiche dị n'ihe gbasara anụ ahụ na kemịkalụ nke elu mineral. Sodium hexametaphosphate, nke nwere nhazi na ihe onwunwe kemịkalụ pụrụ iche ya, achọtala ojiji dị mkpa na usoro ngwuputa ihe nke mineral . Isiokwu a na-enyocha akụkụ dị iche iche nke ojiji ya na ngwuputa ihe nke mineral.

Njirimara nke Sodium Hexametaphosphate

Sodium hexametaphosphate bụ ngwakọta polymer inorganic. Ọ na-egosi dị ka kristal transperent ma ọ bụ ntụ ntụ ọcha na-enweghị agba. Ọ na-agbaze nke ukwuu na mmiri, ihe ngwọta ya bụ alkaline. N'ikuku, ọ nwere ogo hygroscopicity ụfọdụ. Njirimara anụ ahụ na nke kemịkal na-atọ ntọala maka ịrụ ọrụ ya na flotation ịnweta.

Ọrụ na Mineral Flotation

Obi nkoropụ

1.Mgbochi nke Silicate na Carbonate mineral

• Sodium hexametaphosphate dị irè na igbochi quartz na mineral silicate. N'ọgbọ mmiri nke ụfọdụ ọla, dị ka ndị nwere feldspar na mica, ọ nwere ike ịgbanye n'elu mineral silicate ndị a. Dị ka ọmụmaatụ, na flotation nke zirconium ore, ọ nwere ike ibelata floatability nke metụtara feldspar na ndị ọzọ silicate gangue mineral site adsorbing n'elu ha.

• Ọ na-egosikwa mmetụta mgbochi na mineral ndị dị ka kalsiti na limestone. N'ime mmiri nke phosphate ores ebe calsiti bụ mineral gangue a na-ahụkarị, Sodium hexametaphosphate nwere ike imeghachi omume na calcium ion n'elu calcite. Ọ na-emepụta ihe ndị kwụsiri ike nke na-eme ka hydrophilicity nke elu calcite dịkwuo elu, na-eme ka ọ ghara ịdị mfe ijikọ ya na onye na-anakọta ya, si otú a na-emezu ebumnuche nke igbochi ya.

2.Mgbochi usoro

• Otu n'ime usoro mgbochi bụ isi metụtara mmeghachi omume ya na ion metal na elu ịnweta. Abịa na mineral nwere multi-valent metal ion, sodium hexametaphosphate nwere ike ịmepụta ogige kwụsiri ike na ion ọla ndị a. Na nickel ore flotation, ọ na-emeghachi omume na kpọmkwem ions n'elu serpentine, nke na-egbochi flotability nke serpentine.

• Na mgbakwunye, na ngwọta mmiri, sodium hexametaphosphate nwere ike ionize. Ọ nwere ike meghachi omume na ions calcium na elu ịnweta na mmiri mmiri. Na nkewa nke calcite na cassiterite, ihe mejupụtara nke a na-eme n'elu calcite abụghị nanị na-emetụta calcite kamakwa ọ nwere ike ịgbasa n'elu cassiterite, na-ebelata nhọrọ nke mgbochi ma na-ebelata mgbasa ozi nke onye na-anakọta n'elu ịnweta.

Na-agbasasị

1.Dispersion nke Mineral Pulp

• N'ime usoro ịkwọ ụgbọ mmiri, karịsịa maka ụfọdụ ọla nwere ọmarịcha mineral ma ọ bụ nnukwu - apịtị - ọdịnaya ores, mgbasa nke pulp ịnweta dị oke mkpa. Sodium hexametaphosphate nwere ike ịrụ ọrụ dị mkpa dị ka onye na-ekesa. Dịka ọmụmaatụ, na flotation nke nickel - pyrite ores jikọtara ya na serpentine, na-agbakwunye sodium hexametaphosphate kwesịrị ekwesị nwere ike ịgbasa pulp flotation. Nke a bụ n'ihi na ọ na-ebelata mkpuchi nke serpentine n'elu nickel - pyrite, nke bara uru maka mgbake flotation nke nickel - pyrite.

2.Dispersion Mechanism

• Sodium hexametaphosphate nwere ike belata ikike nke mineral. N'ihi ya, ike electrostatic na-asọ oyi n'etiti ihe ndị dị na ịnweta na-abawanye. Usoro ihe omimi ya, ihe mejupụtara polymer linear nke nwere ogologo yinye nke opekata mpe 20 - 100, mgbe etinyere ya n'elu ala ịnweta, nwekwara ike ịbawanye mmetụta mgbochi dị egwu n'etiti ụmụ irighiri ihe. Na flotation nke ụfọdụ mma - grained phosphate ore, nke a mgbasa mmetụta nwere ike igbochi mkpokọta phosphate na gangue mineral, na-eme ka nkewa arụmọrụ.

Ngwa dị iche iche mineral Flotation

Phosphate ore Flotation

1. Nhọrọ nkewa

• Na phosphate ore flotation, sodium hexametaphosphate na-ejikarị kewapụ mineral phosphate na mineral gangue. A na-ejikọtakarị ores phosphate na mineral gangue dị iche iche dị ka calcite, dolomite, na mineral silicate. Sodium hexametaphosphate nwere ike họrọ igbochi mineral gangue ndị a. N'ime usoro flotation nke ụfọdụ phosphate ores, ịgbakwụnye ntakịrị sodium hexametaphosphate nwere ike ịbawanye ọkwa na mgbake nke itinye uche phosphate nke ọma. Ọ nwere ike meghachi omume na mineral ndị na-abụghị phosphate na-emeghachighị omume na mineral phosphate, si otú a na-eme ka nhọrọ nke phosphate mineral flotation dịkwuo mma.

2.Mmetụta na Foam Stability

• Ọ na-enwekwa mmetụta na nkwụsi ike ụfụfụ na phosphate ore flotation. Ụfụfụ na usoro flotation na-ekere òkè n'ịchịkọta mineral phosphate. Sodium hexametaphosphate nwere ike ịkwalite nkwụsi ike nke ụfụfụ. Ọ nwere ike ịmepụta ọnụ ọgụgụ buru ibu nke ụfụfụ kwụsiri ike, nke na-enyere aka melite mmetụta nchịkọta nke mineral phosphate. Enwere ike iburu mineral phosphate nke ọma site na ụfụfụ kwụsiri ike gaa n'elu, si otú a na-emeziwanye arụmọrụ na ọkwa flotation.

Igwe anaghị agba nchara

1.Nickel ore Flotation

• Dịka e kwuru na mbụ, na nickel ore flotation, sodium hexametaphosphate na-ejikarị egbochi serpentine. Serpentine bụ ịnweta gangue a na-ahụkarị na nickel ore, na ọnụnọ ya nwere ike imetụta flotation nke nickel na-ebu mineral. Site n'ịgbakwunye sodium hexametaphosphate, ọ nwere ike meghachi omume na ion ígwè dị n'elu serpentine, na-ebelata floatability ya ma melite nkewa nke nickel - na-ebu mineral na serpentine. Nke a bara uru maka ịkwalite ọkwa na mgbake nke nickel concentrates.

2.Ọla kọpa na Lead - Zinc ore Flotation

• Na ọla kọpa na lead - zinc ore flotation, mgbe enwere calcium jikọtara - nwere mineral gangue dị ka calcite na dolomite, sodium hexametaphosphate nwere ike iji gbochie mineral gangue ndị a. N'ime ụfọdụ ọla kọpa dị mgbagwoju anya - ndu - zinc ores, imezi ọnụọgụ sodium hexametaphosphate nwere ike ịchịkwa floatability nke mineral gangue nke ọma, na-eme ka nhọrọ nke flotation dị mma na ịdị mma nke ọla kọpa, lead, na zinc.

Ihe Na-emetụta Mmetụta Ngwa

Ọnụọgụ ọgwụ

1.Ptimal Dosage Determination

• Usoro onunu ogwu nke sodium hexametaphosphate nwere mmetụta dị ukwuu na arụmọrụ ya na flotation ịnweta. Usoro onunu ogwu na-ezighi ezi nwere ike ibute nsonaazụ kacha mma. Ọ bụrụ na usoro onunu ogwu dị oke ala, ọ nwere ike ọ gaghị egbochi nke ọma mineral gangue ma ọ bụ gbasasịa pulp. Dịka ọmụmaatụ, na phosphate ore flotation, ọ bụrụ na ọnụọgụ sodium hexametaphosphate agbakwunyere ezughi oke, mineral gangue nwere ike ọ gaghị adị mma - na-eme ka ọkwa phosphate dị ala.

• N'aka nke ọzọ, ọ bụrụ na usoro onunu ogwu dị oke oke, ọ nwere ike ọ bụghị naanị ịbawanye ọnụ ahịa mana ọ na-ebutekwa mmetụta ọjọọ. N'ọnọdụ ụfọdụ, oke sodium hexametaphosphate nwekwara ike igbochi mineral ndị e lekwasịrị anya ruo n'ókè ụfọdụ, na-ebelata ọnụego mgbake. Ya mere, ikpebi usoro ọgwụgwọ kachasị mma site na nyocha nnwale na nbibi na saịtị dị oke mkpa maka ị nweta nsonaazụ kacha mma.

Uru pH nke Pulp

2.Influence na Chemical Reactions

• Uru pH nke pulp flotation na-emetụta mmeghachi omume kemịkalụ nke sodium hexametaphosphate. Na gburugburu pH dị iche iche, ogo ionization na ụdị kemịkal nke sodium hexametaphosphate nwere ike ịgbanwe. Na gburugburu acidic, mmetụta mgbochi ya na ụfọdụ mineral nwere ike ịda mbà. N'ebe dị oke ala alkaline, ọ nwere ike imeghachi omume na ihe ndị ọzọ dị na pulp, na-emetụta ọrụ ya. Dị ka ihe atụ, na flotation nke ụfọdụ ọla kọpa - ndu - zinc ore, ịnọgide na-enwe kwesịrị ekwesị pH uru (na-emekarị gburugburu 8 - 10) nwere ike hụ na sodium hexametaphosphate n'ụzọ dị irè na-egbochi gangue mineral na-akwalite flotation nke lekwasịrị minerals.

mmechi

Sodium hexametaphosphate na-arụ ọtụtụ ọrụ dị mkpa na flotation mineral, gụnyere dị ka Depressant na dispersant. Ngwa ya na ụdị flotation mineral dị iche iche, dị ka phosphate ore na non-ferrous metal ore flotation, emeela ka arụmọrụ na ịdị mma nke nkewa mineral dịkwuo mma. Agbanyeghị, iji mee ihe nke ọma, a ga-achịkwa ihe ndị dị ka dose na pulp pH nke ọma. Site na mmepe na-aga n'ihu nke ụlọ ọrụ igwu ala, nyocha ọzọ na itinye sodium hexametaphosphate na mineral flotation nwere ike ibute ụzọ nhazi mineral dị irè na nke na-adịgide adịgide.