Hauv ntiaj teb kev kho dej,Poly Aluminium Chloride(PAC) tau tshwm sim los ua ib qho tshuaj coagulant uas siv tau ntau yam thiab ua tau zoo. Nrog nws siv dav hauv kev ntxuav dej haus thiab cov chaw kho dej khib nyiab, PAC ua rau muaj kev cuam tshuam rau nws lub peev xwm zoo kawg nkaus los ua kom dej ntshiab thiab tshem tawm cov kuab paug. Hauv tsab xov xwm no, peb nkag mus rau hauv kev ua haujlwm ntawm PAC thiab nws qhov tseem ceeb hauv kev kho dej.
Cov Chemistry Tom Qab PAC:
Poly Aluminium Chloride yog ib qho tshuaj sib xyaw ua los ntawm txhuas thiab chlorine, nrog rau cov mis AlnCl(3n-m)(OH)m. Nws qhov ntau yam yog los ntawm qhov tseeb tias nws tuaj yeem muaj nyob rau hauv ntau hom nyob ntawm qhov piv ntawm txhuas-rau-chloride thiab qib ntawm polymerization. Cov kev hloov pauv no tso cai rau PAC hloov kho rau ntau yam kev cov nyom ntawm kev kho dej.
Kev coagulation thiab flocculation:
Lub luag haujlwm tseem ceeb ntawm PAC hauv kev kho dej yog coagulation thiab flocculation. Thaum ntxiv PAC rau hauv dej nyoos, nws dhau los ua hydrolysis. Thaum lub sijhawm no, nws tsim cov txhuas hydroxide flocs, uas muaj txiaj ntsig zoo ntawm kev ntes cov khoom tsis huv uas dai hauv dej. Cov txhuas hydroxide flocs ua haujlwm zoo li cov hlau nplaum me me, nyiam thiab khi ua ke cov khoom me me xws li av, cov kab mob, thiab cov organic.
Kev Tshem Tawm Cov Khoom Tsis Huv:
PAC lub tshuab coagulation-flocculation pab tshem tawm ntau yam tsis huv ntawm dej, suav nrog cov khoom seem, colloids, thiab txawm tias qee cov khoom yaj. Thaum cov flocs loj hlob thiab hnyav dua, lawv nkag mus rau hauv qab ntawm lub tank kho los ntawm kev tso dej lossis yooj yim ntes los ntawm cov lim dej. Qhov no ua rau muaj dej ntshiab thiab huv.
pH tsis muaj zog:
Ib qho ntawm cov txiaj ntsig tseem ceeb ntawm PAC yog nws qhov pH neutrality. Tsis zoo li cov coagulants ib txwm muaj xws li txhuas sulfate lossis ferric chloride, uas tuaj yeem hloov pauv pH ntawm dej, PAC tswj cov pH kom ruaj khov. Qhov no txo qhov xav tau cov tshuaj ntxiv los kho pH, ua kom yooj yim rau cov txheej txheem kho thiab txo cov nqi.
Cov txiaj ntsig ntawm kev siv PAC:
Kev Ua Haujlwm Zoo: PAC ua haujlwm tau zoo thoob plaws ntau yam dej zoo thiab cov dej tsis huv.
Kev Siv Tau Ntau Yam: Nws siv tau rau kev kho dej thawj zaug thiab theem peb.
Cov Khoom Qis: PAC tsim cov khoom seem sludge tsawg dua, txo cov nqi pov tseg.
Tus Nqi-Zoo: Nws qhov ua haujlwm tau zoo thiab pH neutrality ua rau nws yog qhov kev xaiv pheej yig rau cov chaw kho dej.
Kev Nyab Xeeb: PAC feem ntau suav tias muaj kev nyab xeeb dua li lwm cov tshuaj coagulants.
Cov ntawv thov ntawm PAC:
PAC pom muaj kev siv dav hauv ntau yam lag luam, suav nrog kev kho dej hauv nroog, kev kho dej khib nyiab hauv kev lag luam, thiab txawm tias hauv kev lag luam ntawv thiab textile. Nws lub peev xwm tshem tawm ntau yam kev ua qias tuaj ua rau nws yog ib qho cuab yeej tseem ceeb rau kev ua kom muaj dej huv thiab muaj kev nyab xeeb.
Xaus lus, Poly Aluminium Chloride (PAC) yog ib qho tshuaj kho dej zoo kawg nkaus uas ua haujlwm los ntawm kev coagulation thiab flocculation. Nws qhov ua tau zoo, kev hloov pauv tau yooj yim, thiab pH neutrality tau tso nws ua qhov kev xaiv zoo tshaj plaws rau cov chaw kho dej thoob ntiaj teb. Raws li qhov kev thov dej huv txuas ntxiv loj hlob, PAC tseem yog tus neeg ua si tseem ceeb hauv kev ua kom muaj kev nkag mus rau dej nyab xeeb thiab haus tau rau cov zej zog thoob ntiaj teb.
Lub sijhawm tshaj tawm: Lub Kaum Hli-11-2023