Iron ore Reverse Flotation: Nhọrọ nke mkpokọta Cationic
A na-ahọpụta ndị na-anakọta cationic maka iron ore reverse flotation iji wepu gangue na-ebu silica n'ime froth ka ha na-ejigide mineral iron e lekwasịrị anya n'ime ihe na-abụghị mmiri. Nhọrọ ahụ kwesịrị igosipụta nke mineral na-ebu silica, otú a na-atọhapụ ha nke ọma, na otú onye nchịkọta ahụ si eme omume na-ada mbà n'obi, pH na nhazi mmiri. Ọkwa SiO₂ nlebara anya dị ala bara uru naanị mgbe nkesa ígwè metụtara ka na-anabata nke ọma. Maka nri nri quartz bara ụba, ndị na-anakọta amine bụ ndị a na-achọkarị, mana otu ngwaahịa ma ọ bụ usoro ọgwụgwọ agaghị adabara ọla ọ bụla. Silicates ndị na-ebu ígwè ndị fọdụrụnụ, ntinye ihe dị mma na nkwadebe reagent na-ekwekọghị ekwekọ nwere ike ịmepụta nsogbu ndị ọzọ na-anakọta naanị agaghị edozi. Ịghọta ndịiche ndị ahụ na-eme ka nyocha ngwaahịa na-enye ihe ọmụma na mkparịta ụka ndị na-ebubata ihe kpọmkwem.
Kedu ihe onye na-anakọta cationic na-ese n'elu n'ime Iron ore Reverse Flotation?
N'ụzọ ntụgharị cationic flotation a tụlere ebe a, onye na-anakọta na-akwalite flotation nke mineral ndị na-ebu silica achọghị. A na-enwetara ihe ndọba ígwè bụ isi site na iyi na-adịghị froth.
| iyi | Nkewa echere | Ihe nsonaazụ ga-egosi |
|---|---|---|
| Ngwaahịa froth | Mwepụ nke quartz na gangue ndị ọzọ na-anabata ya | Kedu mineral ndị a jụrụ na ole ígwè so ha |
| Ntinye uche na-abụghị isi | Njide nke ebumnuche ígwè mineral | Ọdịnaya silica anabatara yana ogo ígwè achọrọ na mgbake |
Adsorption nke onye na-anakọta ihe nwere ike ime ka elu ịnweta ịnweta hydrophobic dịkwuo elu, na-eme ka ntinye aka na afụ ikuku. Otú ọ dị, amines nwere ike imekọrịta ihe na elu ígwè-mineral yana quartz. Ya mere, nhọrọ na-adaberekwa na sistemụ nkụda mmụọ, nke na-emetụtakarị starch na kemịl pulp gbara ya gburugburu.
Ụmụ irighiri ihe ndị dị mma nwere ike tinyekwa mmiri n'ụfụ site na ntinye. Ihe dị iche iche a dị mkpa: ígwè dị na froth adịghị, n'onwe ya, na-egosi na onye nchịkọta ahụ ejirila ígwè na-ese n'elu mmiri.
Kedu njirimara ọla na-ekpebi ịkwado ndị mkpokọta?
Quartz na silicates na-ebu ígwè chọrọ nyocha dị iche iche
Otutu nyocha SiO₂ na-atụ ọdịnaya silica na-akọwapụtaghị isi iyi ịnweta ya. Nri abụọ nwere akara akara silica yiri nke ahụ nwere ike ịnwe oke dị iche iche nke quartz efu, silicates na-ebu ígwè na ihe ndị mejupụtara.
Maka nri nke quartz tọhapụrụ na-achị, nyocha nke onye nchịkọta nwere ike ilekwasị anya na ịjụ quartz ka ọ na-enwe ịda mbà n'obi ígwè-mineral. Mgbe silicates na-ebu ígwè na-enye aka na silica, a ghaghị ịtụle nzaghachi ha iche iche. Enweghị ike iche na reagent dị irè na quartz na-ewepụ ngwa ngwa ọ bụla ịnweta silicate.
Starch nwere ike imebi ụfọdụ silicates na-ebu ígwè yana ígwè oxides. Ọ bụrụ na mineral ndị a na-anọgide na ígwè oxides, ịba ụba nke onye na-anakọta quartz nwere ike ime ka ọ dịkwuo mma na silica ikpeazụ. N'aka nke ọzọ, ịjụ silicate nke na-ebu ígwè nwere ike belata nkwụghachi ígwè zuru ezu ọbụna mgbe njigide nke oxides iron echere na-agbanwe ntakịrị. Ya mere njirimara mineral dị mkpa iji kọwapụta azụmaahịa pụtara ìhè.
Ntọhapụ, oke urughuru na slimes na-agbanwe nsogbu nkewa
Chemistry nchịkọta enweghị ike ịmepụta ntọhapụ ịnweta. Ebe quartz na-anọgide na-ekpochi n'ime ihe mejupụtara ihe mejupụtara ígwè, nke na-ese n'elu mmiri nwere ike ịjụ silica na ígwè ọnụ. Oke silica na-adịgide adịgide nwere ike igosipụta njirimara ntọhapụ nke nri ahụ, ọbụlagodi mgbe onye na-anakọta na-arụ ọrụ na mbara ala quartz ekpughere.
Akwụkwọ mara mma na-ewebata ajụjụ dị iche. Mmụba elu elu nwere ike ịgbanwe reagent ọchịchọ, ebe slime mkpuchi nwere ike ịgbanwe elu dị maka adsorption. A pụkwara ibuga irighiri ihe ndị dị mma nwere ígwè n'ime uzu mmiri dị mmiri. Usoro ndị a na-achọ nzaghachi dị iche iche, ya mere otu mgbake n'ozuzu ezughi oke maka nyocha.
| Njirimara ore | Ihe mere o ji dị mkpa | Ihe akaebe bara uru |
|---|---|---|
| Quartz a tọhapụrụ nke ọma | Na-akwado ntule nke ịjụ quartz na njigide ígwè | Minerology na nyocha ngwaahịa |
| Silicates na-ebu ígwè dị mkpa | Ọjụjụ silica nwekwara ike kesaa ígwè | Nchọpụta mineral na mbupụ ígwè |
| Ngwakọta ndị a tọhapụrụ nke ọma | Debe oke na nkewa site na kemistri elu naanị | Ntụle nnwere onwe site na nha nha |
| Nri dị elu ma ọ bụ ọdịnaya slimes | Nwere ike ịgbanwe adsorption, reagent ọchịchọ na entrainment | Nnwale nha nha na mgbake mmiri |
Kedu ka ụdị Amine si dị iche na Iron ore Flotation?
Ethermonoamines na Etherdiamines dị ka ndị nchịkọta Candidates
Ethermonoamines na etherdiamines bụ ndị na-anakọta amine na-anọchite anya nke a na-eji na ígwè na-atụgharị flotation. Ha bụ ụdị ntụnyere bara uru, mana ha anaghị akọwa onye ọ bụla na-anakọta cationic azụmahịa ma ọ bụ usoro agwakọtara.
Ọdịdị molekụla ha dị iche, gụnyere ọnụọgụ nke otu amine. Ọdịiche ahụ nwere ike imetụta mmekọrịta ya na mbara ala ịnweta na ebe ngwọta. Ịrụ ọrụ ngwaahịa na-adaberekwa na otu hydrophobic, nhazi na ọnọdụ nkwadebe. N'ihi ya, akara "diamine" anaghị egosi na ngwaahịa ga-ahọrọ karịa ma ọ bụ chọọ obere reagent karịa monoamine na ndepụta enyere.
Ntụle bara uru na-ajụ ka onye ọ bụla na-aga ime na-ekewapụta mineral n'ezie n'okpuru ọnọdụ ịda mbà n'obi na mmiri. Nke a na-agụnye mmetụta ọ na-eme na omume froth: ndị na-anakọta amine nwere ike imetụta ọdịdị afụ na nkwụsi ike nke froth yana nchịkọta ịnweta.
Gịnị mere Chemical ezinụlọ naanị anaghị amụma Performance
Lelee njirimara teknụzụ nke ọkwa ewepụtara kama ịkọwa aha azụmaahịa dị ka nkọwa kemịkal.
| Ebe ntụnyere | Ihe ị ga-eguzobe |
|---|---|
| Chemistry nchịkọta | Ezinụlọ kemịkalụ ekwuputara ma ọ bụ njirimara ngwa nke ọkwa a kapịrị ọnụ |
| Nhazi | Ndabere ọdịnaya na-arụsi ọrụ ike yana ihe nkwado ọ bụla dị mkpa iji atụnyere ngwaahịa |
| Nzaghachi nke ịnweta | Ọjụjụ Silica na nkesa ígwè n'otu nri ndị nnọchite anya |
| Àgwà ọjọọ | Ntugharị mmiri, njikwa froth na mmekọrịta dị n'etiti froth na-agbanwe na nsonaazụ nkewa |
| Nkwenye na-arụ ọrụ | Ma nsonaazụ anabatara na-aga n'ihu n'ofe ntanetị dị mkpa yana ọdịiche mmiri |
A ga-ebu ụzọ tulee ngwaahịa dị iche iche na usoro usoro onunu ogwu ekwuputara nke ọma, wee gafee usoro nzaghachi ha bara uru. Otu n'ọrụ nha nha nwere ike ime ka ntinye ya dị mfe ịtụgharị uche, mana ọ naghị eme ka kemist dị iche iche dị irè. Nsonaazụ bara uru bụ nkewa nwere ike imepụtagharị na ogo itinye uche achọrọ, yana oriri reagents jikọtara ya ghọtara.
Kedu ka pH na Starch Control Selectivity si eme?
pH na-agbanwe ụdị Amine yana mmekọrịta dị n'elu ala
Pulp pH na-emetụta ma ala ịnweta yana nguzozi n'etiti ụdị amine protonated na enweghị proton. Maka otu amine protonatable, ịba ụba pH na-atụgharị nguzozi n'ụdị enweghị proton. Mgbanwe na nguzozi a nwere ike imetụta mgbasa ozi, mkpakọrịta na ngwọta na omume froth.
Ya mere, a ga-edozi windo ọrụ bara uru maka onye na-anakọta na ore ọnụ. Uru pH nke akọwara maka ogbunigwe ọzọ, amine dị iche ma ọ bụ nnwale otu-mineral bụ mmalite maka nyocha, ọ bụghị ntọala osisi.
N'oge nyocha, dekọọ pH ruru n'oge oyi na flotation, karịa naanị ọnụọgụ alkali agbakwunyere. Mwepu mmanụ, nhazi mmiri na mgbakwunye reagent nwere ike ịgbanwe ọnọdụ atụnyere. Ọ bụrụ na e mere ntụnyere onye nchịkọta na ụkpụrụ pH dị iche iche n'amaghị ama, ọdịiche ngwaahịa ahụ pụtara ìhè nwere ike igosipụta kemịkalụ pulp.
Nkwadebe starch na ntụ oyi na-emetụta ịda mbà n'obi nke ịnweta ígwè
Na sistemu hematite, starch nwere ike igbochi adsorption amine ma nyere aka idowe elu hydrophilic. Ọ nwekwara ike chịkọta ezigbo hematite, nke nwere ike imetụta ibufe n'ime froth. Nzaghachi dabere na ngwaahịa starch, nkwadebe na ọnọdụ oyi.
N'ihi ya, ule a kọwara naanị dị ka "onye na-anakọta na dose starch a kapịrị ọnụ" nwere ike ịhapụ mgbanwe dị mkpa na-akọwapụtaghị. Dekọọ otu esi akwado starch, ntinye ihe ngwọta na-arụ ọrụ, oge nhazi na usoro mgbakwunye. Jiri usoro nkwadebe kwesịrị ekwesị na ngwaahịa starch; echela na ọkwa ọ bụla na-agbanwe agbanwe.
Ekwesịrị ịsụgharị usoro mkpokọta mkpokọta na nke nkụda mmụọ ọnụ. Ọtụtụ ndị na-anakọta nwere ike ịbawanye mkpokọta achọghị ma ọ bụ gbanwee omume froth, ebe ọtụtụ starch anaghị edozi nsogbu silica. Nsonaazụ na-adabere na nke mineral na-aza na otú ndị reagents si emekọrịta n'okpuru ọnọdụ ahọpụtara.
Dịka ọmụmaatụ, ọ bụrụ na silica na-etinye uche na-adị elu ebe njide ígwè siri ike, chọpụta ma silica fọdụrụnụ a tọhapụrụ quartz, gangue silicate dara mbà n'obi ma ọ bụ ihe akpọchiri akpọchi. Nchọpụta ndị ahụ na-eduga nyocha dị iche iche. Ịgbanwe usoro onunu ogwu tupu achọpụta isi iyi silica nwere ike ikpuchi oke njedebe.
Kedu ka Chemistry Mmiri na Nkwadebe Reagent si emetụta nzaghachi ndị nchịkọta?
Calcium, Magnesium na Residual Reagents na mmiri nhazi
Onye na-achịkọta enyo enyo na mmiri dị ọhụrụ nwere ike ịkpa àgwà dị iche iche na mmiri nhazi ihe ọkụkụ. Ion agbazere, reagents fọdụrụnụ na ihe kwụsịtụrụ nwere ike ịgbanwe ihe ndị dị n'ime ala yana nzaghachi nke sistemụ nkụda mmụọ.
Calcium na magnesium ekwesịghị ka a na-emeso ya ozugbo naanị n'ihi na ha abụọ na-enye aka na isi ike. Mmetụta ha na-adabere na gburugburu kemịkalụ, gụnyere pH na usoro starch. Nsonaazụ siri ike bara uru nzụlite, mana nwere ike ọ gaghị amata ụdị ihe kpatara mgbanwe na omume ịkwọ ụgbọ mmiri.
N'ebe mgbanwe mmiri dị mkpa, tụnyere ndị na-eme ihe na-eji ihe nnọchiteanya mmiri nke sekit arụ ọrụ. Dekọọ onyinye nloghachi-mmiri na nyocha mmiri dị n'akụkụ nsonaazụ flotation. Ntụnyere mmiri dị ọhụrụ na usoro-mmiri jikọtara ọnụ nwere ike inye aka chọpụta ma kemịkalụ mmiri na-enye aka n'iche a hụrụ; nyocha ọzọ dị mkpa iji kọwaa ya na otu ion ma ọ bụ ihe fọdụrụ.
Nkwadebe ngwaahịa dị iche na ọnọdụ ọrụ Pulp
Ngwaahịa solubility, ngwaahịa-ihe ngwọta nkwadebe na flotation ọnọdụ bụ iche iche echiche. Onye na-anakọta mmiri na-agbaze anaghị ewepụ mkpa ọ dị ijikwa pH pulp, na viscosity ngwaahịa n'otu okpomọkụ anaghị ewepụta arụmọrụ flotation ya na okpomọkụ ahụ.
QINGQUAN depụtara ya ígwè ore cationic mkpokọta maka flotation nke quartz, pyroxene na ihe ndị ọzọ silicate mineral na reverse-flotation desilication. A na-akọwa ngwaahịa a dị ka mmiri na-agbaze, na-enweghị mgbaze acid achọrọ maka nkwadebe. Ozi nkwadebe a na-ahapụ pH pulp, usoro onunu ogwu na oke okpomọkụ kwesịrị ekwesị ka emebere maka ngwa a kapịrị ọnụ.
Maka onye ọ bụla na-azọ ahịa azụmaahịa, kwado ntuziaka nkwadebe-ọrụ yana ndabere dose maka ọkwa ewepụtara. Chọpụta ọdịnaya na-arụ ọrụ site na itinye uche na-edozi ọrụ yana, ebe ọ dị mkpa, ogo nkwụsị nke ngwaahịa ahụ. Dekọọ okpomọkụ nkwadebe-mmiri na pulp iche iche mgbe okpomọkụ bụ akụkụ nke nyocha. Nkwadebe na-aga n'ihu na-eme ka o kwe omume ịchọpụta ma nzaghachi flotation gbanwere sitere na kemistri dị na cell ma ọ bụ site na nnyefe reagent na-ekwekọghị ekwekọ.
Kedu ihe mfu Silica na Iron dị elu na-ekpughe?
Silica dị elu na ụbara ígwè na froth bụ ihe nyocha iji nyochaa, ọ bụghị nchọpụta zuru oke. Nlebanya ndị a na-enyere aka ijikọ nlebanya ndị ahụ na ọnọdụ ịnweta na reagent nke a tụlerela.
| Nlebanya | Enwere ike ịkọwapụta nyocha | Ihe akaebe mbụ iji lelee |
|---|---|---|
| Ntinye uche SiO₂ ka dị elu | Nchịkọta quartz na-adịghị mma, nzaghachi silicate dị iche ma ọ bụ gangue akpọchiri | Isi iyi nke ịnweta silica fọdụrụnụ, ntọhapụ na nha-site-nyocha nyocha |
| Onye nchịkọta ọzọ na-enye ntakịrị nkwalite silica | Oke ntọhapụ, mmekọrịta reagent, nnyefe na-ekwekọghị ekwekọ ma ọ bụ omume froth gbanwere | Ọnụego mgbakwunye ekwenyesiri ike, pH, ọnọdụ starch na nyocha nke ngwaahịa abụọ ahụ |
| SiO₂ na-ebelata mana ngụkọta mgbake ígwè na-adakwa | Ọnwụ nke mineral iron lekwasịrị anya ma ọ bụ zubere ịjụ gangue na-ebu ígwè | Njirimara mineral na nkesa ígwè na froth |
| Frọt na-aka mmiri ma nwee ezigbo ígwè karịa | Mmụba nkwado nwere ike inye aka | Iweghachite mmiri, nkesa nha nha na ihe akaebe mineral |
| Nsonaazụ na-agbanwe mgbe ojiji mmiri nloghachi na-abawanye | Ụdị agbazere agbanwere, reagents fọdụrụnụ ma ọ bụ ihe kwụsịtụrụ | Nyocha mmiri na-anọchite anya na ntụnyere mmiri na-achịkwa |
Ịmata ọdịiche dị n'ezie flotation na entrainment dị mkpa karịsịa maka ihe ndị dị mma. Na ezi flotation, dabara hydrophobic irighiri na-etinye aka na afụ; entrainment na-ebuga ụmụ irighiri ihe n'ime froth na mmiri na-achọghị mgbakwunye afụ. Azụ mmiri mmiri bụ ihe mere a ga-eji nyochaa mgbake mmiri na nha nha, ma ọ pụtaghị na ihe niile a na-ahụ anya bụ nhụsianya ígwè bụ entrainment.
N'otu aka ahụ, ngụkọta ígwè nyocha enweghị ike ịmata mineral na-ebu ígwè ahụ. Fọt ahụ nwere ike ịnwe hematite, magnetite, silicates na-ebu ígwè ma ọ bụ ihe ndị mejupụtara. Ọ bụrụ na ebumnobi ahụ gụnyere ịjụ silicate nke na-ebu ígwè, mbelata ụfọdụ na mgbake ígwè zuru ezu nwere ike iso nkewa ahụ echere. Ma a na-anabata azụmaahịa ahụ dabere na mkpa itinye uche na nguzozi ịnweta n'ezie.
Kedu nsonaazụ ule na-akwado nhọrọ mkpokọta?
Onye ndoro-ndoro ochichi kwesiri nleba anya n'ihu mgbe nkewa ya nwere ike imeghari n'ogo ntinye uche choro n'okpuru onodu nnochite anya. Oke froth ka ukwuu ma ọ bụ otu nyocha silica dị ala ezughi oke.
| Otu nsonaazụ | Ozi kacha nta iji dowe |
|---|---|
| Tinye uche mma | Mkpokọta Fe, SiO₂ na àgwà ndị ọzọ dị mkpa chọrọ |
| Nkesa ígwè | Mkpokọta Fe mgbake, iron na-akọ na froth na ihe akaebe akọwapụtara nke ọma ebe ọ dị mkpa |
| Ntinye reagent | njirimara ngwaahịa, usoro onunu ogwu, ndabere ọdịnaya na-arụ ọrụ ma ọ bụrụ na amaara ya, yana ndabere mgbako dị ka oke nri akọrọ |
| Ọnọdụ ule | Ore sample, usoro ogbo, pH, starch atụmatụ, mmiri iyi na mkpa ọrụ ọnọdụ |
Gbakọọ mkpokọta Fe mgbake site na oke akọrọ yana ngụkọta Fe nke ndepụta nri na iyi ngwaahịa kwekọrọ. Tulee ókèala usoro nha anya: enweghị ike ịme nsonaazụ otu ọkwa dị ka nsonaazụ sekit ikpeazụ na-enweghị ndekọ maka iyi na ọkwa ndị ọzọ. Mkpokọta Fe mgbake abụghị hematite ma ọ bụ magnetite mgbake; ndị ahụ chọrọ ozi ịnweta-phase kwesịrị ekwesị.
Nyochaa ndị na-aga ime n'usoro nzaghachi bara uru, na-edobe ihe nlele na ejighị n'aka nyocha. Maka mkpebi ịzụrụ, tulee oriri reagent a napụtara n'otu aka ahụ yana nsonaazụ ígwè jikọtara ya. Ọnụ ego dị ala kwa kilogram enweghị ike ịmepụta nkewa dị ọnụ ala ma ọ bụrụ na usoro onunu ogwu ma ọ bụ mmepụta ntinye uche dị iche iche.
Kedu ihe ị ga-ekwenye tupu ịdepụta aha onye nchịkọta azụmahịa?
Tupu ị rịọ ndụmọdụ, kpọkọta ozi ore dịlarị: isi ígwè na mineral gangue, nkesa nha nri, nsonaazụ mpụta ugbu a, àgwà ebumnuche, mmiri nhazi na atụmatụ reagent dị ugbu a. Kwupụta isi nsogbu ahụ n'ụzọ doro anya-dịka ọmụmaatụ, silica na-adịgide adịgide n'ime obere akụkụ nke nha ma ọ bụ ụbara ezigbo ígwè dị na froth mgbe mmiri gbanwere.
Rịọ onye na-ebubata ya ka ọ kwado ọkwa a kapịrị ọnụ, ngwa e zubere, ntuziaka nkwadebe, akwụkwọ teknụzụ dị na ozi achọrọ maka nleba anya kwesịrị ekwesị. Kọwaa data ngwaahịa ọ bụla dị mkpa iji kọwapụta ntụnyere usoro onunu ogwu. Zere iche na nkọwa ngwaahịa izugbe na-akọwa windo ọrụ anwalela maka ọla gị.
QINGQUAN gụnyere ihe mkpokọ cationic ọla na ya flotation reagents nso. Iji kparịta maka ịdị mma ya, Soro QINGQUAN kekọrịta ọnọdụ ịkwọ ụgbọ mmiri ígwè gị, gụnyere mineralogy dịnụ, atụmatụ reagent dị ugbu a na nkọwapụta uche achọrọ.
Ndị na-anakọta ndepụta aha nke ruru ogo ntinye uche achọrọ na nkesa ígwè anabatara nke ghọtara n'okpuru pH, starch na ọnọdụ mmiri echere. Ọ bụrụ na ejiri gangue akpọchiri arụ ọrụ, nzaghachi silicate dị iche ma ọ bụ ntinye ihe dị mma, dozie mmachi ahụ tupu i jiri usoro mkpokọta dị elu dị ka nzọụkwụ ọzọ.