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Papiso ea polyaluminum chloride e hlahisoang ke lits'ebetso tse fapaneng
Ho na le phapang e kholo masimong a lihlahisoa tse tala, litšenyehelo, bohloeki ba sehlahisoa le ts'ebeliso ea Polyaluminum chloride (PAC) ka mekhoa e fapaneng ea tlhahiso. Se latelang ke tlhahlobo ea papiso e thehiloeng ts'ebetsong ea tlhahiso:
- Tlhophiso ho latela mokhoa oa ho omisa
- Mokhoa oa ho omisa meropa
Lisebelisoa tse tala: molora oa aluminium, slag ea aluminium, gangue ea mashala, liminerale le lisebelisoa tse ling tse tala tse theko e tlase.
tšobotsi:
- Mofuta oa pula ea tlhaho: litšila tse ngata, lintho tse ngata tse sa qhibiliheng metsing (>2%), aluminium e tlase (hoo e ka bang 24-28%);
- Mofuta oa sefe ea poleiti le foreimi: kamora ho sefa ka mechine, litšila lia fokotseha, bongata ba aluminium boa eketseha (ho fihlela ho 28%), lintho tse sa qhibiliheng ka metsi li tlase.
Tšebeliso: e sebelisoa haholo-holo kalafong ea likhoerekhoere tsa indasteri, e theko e tlase empa e le boleng bo akaretsang.
- Mokhoa oa ho omisa ka spray
Lisebelisoa tse tala: aluminium hydroxide e hloekileng haholo kapa bauxite.
Likarolo: aluminium e ngata (>29.5%), lintho tse sa qhibiliheng metsing tse tlase haholo (≤0.3%). Lebelo la ho qhibiliha ka potlako, tharollo e se nang 'mala le e bonaletsang, tekanyo ea motheo oa letsoai e ka laoleha (hoo e ka bang 50%).
Lisebelisoa: ho noa Kalafo ea Metsi, tlhahiso e nepahetseng le masimo a mang a ditlhoko tse hodimo.
- Tlhophiso ho latela thepa e tala le mokhoa oa karabelo
- Mokhoa oa tharollo ea asiti ka mohato o le mong (mokhoa oa aluminium ea tšepe)
Lisebelisoa tse tala: li-chips tsa aluminium, molora oa aluminium le litšila tse ling.
Likarolo: ts'ebetso e bonolo, theko e tlase, empa sehlahisoa se na le litšila tsa tšepe e boima, botsitso bo fokolang.
Mokhoa oa ho emela: mokhoa oa mantlha oa sele, katleho e phahameng empa mathata a ntse a le teng a ho bola.
- Mokhoa oa ho qhaqha alkali
Lisebelisoa tse tala: bauxite, sodium aluminate.
Likarolo: sehlahisoa se hloekile (tšepe e boima hanyane), empa ts'ebetso e rarahane, litšenyehelo li holimo, ho hlokahala ho fetola boleng ba pH.
- Mokhoa oa ho se nke lehlakore
Ts'ebetso: aluminium chloride le sodium aluminate li lokisoa mohato ka mohato, ebe lia kopanngoa le ho thijoa.
Likarolo: litšila tse fokolang, aluminium e ngata le letsoai (ho fihlela ho 85%), empa litšenyehelo li phahame.
- Mokhoa oa ho qhala asiti ea alum hydroxide
Lisebelisoa tse tala: aluminium hydroxide e hloekileng haholo.
Likarolo: E loketse tlhahiso ea PAC e hloekileng haholo (joalo ka PAC e tšoeu), empa e hloka mocheso o phahameng le khatello, tšebeliso ea matla e kholo.
- Mokhoa oa ho qhala asiti ea diminerale (joalo ka bauxite, gangue ea mashala)
Ts'ebetso: ho sila, ho besa, ho qhibiliha ha asiti le ho lokisa tekanyo ea motheo.
Likarolo: thepa e tala e theko e tlase (joalo ka gangue ea mashala), empa sehlahisoa sena se na le tšepe e ngata, haholo-holo se sebelisetsoang ho phekola likhoerekhoere ka mokhoa o tlaase.
- Papiso ea matšoao a mantlha
| Mofuta oa ts'ebetso | Aluminium dikahare (Al₂O₃) | Letswai (B%) | ha e qhibilihe ka metsing | mmala | sebaka se sebetsang |
| mokhoa oa ho omisa ka spray | ＞29.5% | ≈50% | ≤0.3% | Bosweu/bonaletsang | Metsi a nooang, indasteri e nepahetseng |
| Roller drying-poleiti le foreimi filtara | ≈28% | 70-85% | tlase | mosehla | Likhoerekhoere tsa masepala le metsi a indasteri ka kakaretso |
| Ho omisa ka lirola-ho omisa mobu ka tlhaho | 24-26% | 50-80% | ＞2% | Sootho/bohlooho | Litlhoko tse tlase bakeng sa kalafo ea likhoerekhoere tsa indasteri |
| Mokhoa oa ho qhaqha asiti ka mohato o le mong (molora oa aluminium) | 28% | Ho feto-fetoha ha maemo ho phahame | e telele | Bosehla bo lefifi/bo sootho | Metsi a litšila a tloaelehileng a indasteri |
| Mokhoa oa ho qhibiliha ha asiti ea aluminium hydroxide | ＞30% | Fetola ho fihlela ho 90% | Tlase haholo | tšoeu | Lijo, meriana le masimo a mang a hloekileng haholo |
- Litlhahiso tsa khetho ea ts'ebetso
- Masimo a maemo a holimo (metsi a nooang, meriana): ho omisa ka spray kapa ho qhibiliha ha asiti ea aluminium hydroxide ho khethoa ho netefatsa hore tšepe e boima e tlase le bohloeki bo phahameng.
- Tlhokomelo ea likhoerekhoere tsa masepala/liindasteri:
- Boleng bo mahareng ba metsi: ts'ebetso ea meropa ea poleiti le foreimi ea sefe (ts'ebetso e theko e phahameng);
- Phosphorus e ngata/metsi a litšila a tšepe a kotsi: mokhoa oa ho thibela kapa mokhoa oa ho qhibiliha ha alkaline (letsoai le fetang 80%, ho monya metsi ka matla).
- Boemo ba theko e tlase: mokhoa oa ho qhala asiti ka mohato o le mong kapa mokhoa oa ho qhala asiti ea mashala, empa litšila li hloka ho beoa leihlo.
Keletso: Kamora hore letsoai le fete 80%, ntlafatso ea phello ea tlhoekiso e ea fokotseha, 'me ho hlokahala tekano lipakeng tsa litšenyehelo le katleho.
Boleng ba thepa e tala ea boleng bo tlaase bo ka ntlafatsoa ka ho ntlafatsa ts'ebetso (joalo ka ho qhibiliha ha asiti ka mehato e 'meli le ho eketsa phofo ea calcium aluminate).
