Mantsoe a bohlokoa a sehlooho: Aluminium Sulfate, Ferrous Sulfate, Polyaluminum Chloride (PAC), Polyacrylamide (PAM)
Sulfate ea aluminium ke motsoako o tloaelehileng o sa pheleng o nang le foromo ea lik'hemik'hale Al₂(SO₄)₃, boima ba limolek'hule ba 342.15, le ponahalo e tšoeu ea kristale. Jwalo ka moemeli oa bohlokoa oa lik'hemik'hale lefapheng la kalafo ea metsi, mosebetsi oa eona oa mantlha o ho hlahiseng likaroloana tsa colloidal ka liketso tsa hydrolysis; likaroloana tsena li monya le ho thibela lintho tse tiileng tse emisitsoeng, li-colloidal, le litšila tse itseng tse qhibilihisitsoeng tse teng ka metsing, ka hona li finyella tlhoekiso ea metsi. Maemo a ts'ebeliso ea eona a akaretsa masimo a fapaneng, ho kenyeletsoa kalafo ea metsi a nooang, kalafo ea metsi a litšila a indasteri, ho lokisoa ha li-agent tsa boholo ba rosin indastering ea ho etsa pampiri, le ho tlosoa ha 'mala oa peterole.
I. Melao-motheo ea Tekheniki le Mesebetsi ea Bohlokoa:
Ha aluminium sulfate e qhibiliha ka metsing, li-ion tsa aluminium (Al³⁺) li kopana le limolek'hule tsa metsi ho etsa li-ion tsa aluminium tse nang le metsi, tseo hamorao li fetang hydrolysis e eketsehileng ho hlahisa li-colloid tsa aluminium hydroxide. Libaka tsa li-colloid tsena li na le tjhaja e ntle, e li nolofalletsang ho fokotsa litefiso tse mpe holim'a likaroloana tse emisitsoeng ka metsing. Ho se sebetse hantle hona ho sitisa botsitso ba likaroloana, ho khothalletsa ho kopana ha tsona hore e be li-floc tse kholoanyane (li-clumps), tse qetellang li arotsoe ka ho sedimentation kapa ho sefa. Ts'ebetso ena eohle e tsejoa e le "coagulation-sedimentation" 'me e etsa mohato oa bohlokoa kalafong ea metsi. Ho feta moo, aluminium sulfate e ka arabela le li-ion tse itseng tsa tšepe e boima tse teng ka metsing (joalo ka tšepe le manganese) ho theha li-precipitate tse sa qhibiliheng, ka hona e thusa ho tlosa litšila tse qhibilihisitsoeng.
Aojin Chemical e fana ka mefuta e fapaneng ea lihlahisoa tsa kalafo ea metsi tse rekisoang, ho kenyeletsoa aluminium sulfate, ferrous sulfate,Polyaluminum Chloride (PAC)le Polyacrylamide (PAM)Bareki ba khothalletsoa ho khetha lihlahisoa ho latela litlhoko tsa bona tse khethehileng. Re amohela mang kapa mang ea hlokang lihlahisoa tsa kalafo ea metsi ho ikopanya le Aojin Chemical!
II. Maemo a Ts'ebeliso le Lintho Tse Loketseng Ts'ebetso:
Kalafong ea metsi a nooang, aluminium sulfate hangata e sebelisoa hammoho le lithuso tsa coagulant—joalo ka carbon e sebetsang kapa polyacrylamide—ho tlosa turbidity, algae le lintho tse phelang ka katleho. Kalafong ea metsi a litšila a indasteri, tekanyo ea aluminium sulfate e tlameha ho fetoloa ho latela boleng ba pH ea metsi: tlas'a maemo a asiti, hydrolysis ea li-ion tsa aluminium e tsoela pele ka katleho; leha ho le joalo, tekanyo e feteletseng e ka fella ka maemo a aluminium a setseng mantle a phekoloang a fetang meeli ea taolo. Ka lehlakoreng le leng, libakeng tsa alkaline, ho hlokahala ho eketsa metsoako e fetolang pH (joalo ka kalaka) ho ntlafatsa katleho ea flocculation. Indastering ea ho etsa pampiri, aluminium sulfate e sebetsa e le moemeli oa boholo bakeng sa boholo ba rosin; e arabela le li-acid tsa rosin ho etsa sesepa sa aluminium se sa qhibiliheng, ka hona e ntlafatsa ho hanyetsa metsi ha pampiri. Lefapheng la ho tlosoa ha 'mala oa peterole, thepa ea ho monya ea motsoako e sebelisoa ho tlosa marinini le asphaltenes lihlahisoa tsa oli. III. Melemo ea Tekheniki le Tshebetso e Sebetsang:
Ha ho bapisoa le di-flocculant tse ding (tse kang matswai a tshepe), aluminium sulfate e na le dibopeho tse latelang: Ya pele, colloidal aluminium hydroxide e hlahiswang nakong ya hydrolysis e na le boholo bo tshwanang ba dikarolwana le bokgoni bo phahameng ba ho phaphamala, ka hona e fokotsa tekanyo e hlokahalang ya moemedi wa dikhemikhale. Ya bobedi, e sebetsa ho pholletsa le mefuta e pharaletseng ya pH (5.5–8.5), e fedisa tlhoko ya tokiso e kgolo ya asiti kapa alkalinity ya metsi. Ya boraro, di-ion tse setseng tsa aluminium di ka tloswa hape ka mekgwa e latelang ya kalafo (jwalo ka ho sefa lehlabathe kapa ho activated carbon adsorption), ka hona ho fokotsa kotsi ya tshilafatso ya bobedi. Dintlha tsa teko di bontsha hore ha ho phekolwa metsi a noka a nang le turbidity e ngata, tekanyo ya aluminium sulfate ya 30–50 mg/L e ka fihlella sekgahla sa ho tloswa ha turbidity se fetang 90%, ho netefatsa hore tsholoho e phekotsweng e fihlella maemo a bohloeki bakeng sa metsi a nowang a lapeng.
IV. Tataiso ea Polokeho le Polokelo:
Ho bohlokoa ho qoba ho boloka hammoho le metheo e matla kapa metsoako e matla ea oxidizing ho thibela liketso tse tsoang kantle ho mocheso. Tikoloho ea polokelo e lokela ho bolokoa e omme 'me e bolokoe mochesong o ka tlase ho 50°C ho thibela sehlahisoa ho monya mongobo le ho se koahela. Nakong ea ho sebetsana le sona, liatlana tse sireletsang le likhalase tsa tšireletso li lokela ho roaloa ho thibela ho hema lerōle kapa ho kopana le letlalo. Haeba u ka kopana le mahlo ka phoso, hlatsoa hang-hang ka metsi a mangata a hloekileng 'me u batle thuso ea bongaka. Nakong ea lipalangoang, mehato ea ho itšireletsa e tlameha ho nkoa ho sireletsa sehlahisoa mongobong le tšenyo ea 'mele, ho netefatsa botšepehi ba sephutheloana.
Nako ea poso: Hlakubele-25-2026
