Nyob rau hauv cov txheej txheem ntawm kev kho dej khib nyiab, nws yuav tsum tau mus dhau ntawm cov txheej txheem kev ua haujlwm, thiab tom qab raug ntsuas kom tau raws li cov qauv tso tseg, nws raug rho tawm. Hauv cov txheej txheem no ntawm cov txheej txheem, cov flocculant plays lub luag haujlwm tseem ceeb. TusFlocculantMuaj peev xwm flocculate cov teeb meem ncua ntawm cov lwg me me hauv dej. Tswm, ua rau nws yooj yim rau lim. Hom flocculants kuj tseem nplua nuj heev. Yuav ua li cas xaiv cov flocculant uas haum koj kuj cuam tshuam thiab tseem ceeb. Hais txog kev xaiv flocculants, pam thiab Pac cov tuam ntxhab muaj cov lus qhia hauv qab no:
Yuav ua li cas xaiv Flocculant hauv kev kho kom zoo hauv kev kho kom raug xaiv raws li cov yam ntxwv ntawm cov dej khib nyiab hauv kev lag luam tshwj xeeb. Nyob rau tib lub sijhawm, nws kuj nyob ntawm qhov chaw flocculant yog ntxiv thiab nws yog siv rau. Feem ntau, thaum xaiv cov inorganic flocculant, qhov muaj pes tsawg leeg uas yuav tsum tau txiav txim siab, thiab tom qab ntawd cov ntsev (cov hlau-aluminium ntsev, silicon-ferric ntsev, thiab lwm yam); Inorganic polymer flocculus muaj xws li:Polyaluminium chloride (Pac), Polyaluminium Sulfate (Pas dej), Polyaluminium Sulfochloride (Pacs) thiabPolyferric Sulfate (Pfs), thiab lwm yam. Ntawm lawv, tus neeg sawv cev ntau dua PAC thiab PAS muaj cov yam ntxwv zoo los hloov cov dej zoo tshuaj, kev ua kom muaj kuab lom thiab cov nqi qis.
Thaum xaiv cov organic flocculant (xws li:Polyacrylamide Pam), nws tsuas yog nyob ntawm seb puas tseem ceeb ntawm polyacrylamide, cationic polyacrylamide lossis noionic polyacrylamide yog siv. Anionic Polyacrylamides yog raws li cov degree ntawm hydrolysis. Kev xaiv ntawm cations feem ntau siv hauv sludge dewatering. Kev xaiv ntawm cationic polyacrylamide yog qhov tseem ceeb heev. Nroog dej phwj tuaj kho cov nroj tsuag feem ntau siv cov khoom nruab nrab-muaj zog cationic polyacrylamide. Txhua thaj chaw feem ntau yog siv rau sludge lub cev qhuav dej hauv papermaking thiab luam ntawv thiab zas ntoo, thiab tshuaj pov tseg feem ntau siv. Xaiv cov cations muaj zog thiab lwm yam. Txhua hom dej khib nyiab muaj nws tus yam ntxwv. Cov tsis yog-ionic polyacrylamide feem ntau yog siv nyob rau hauv cov kev mob acidic tsis muaj zog, thiab tsis-ionic Pam feem ntau siv hauv kev luam ntawv thiab zas ua haujlwm.
Tus Neeg Saib Xyuas Dej Tuam TshojQhia tias kev xaiv ntawm tag nrho cov floocculants yuav tsum raug txiav txim raws li kev sim. Hauv kev ntsuas, txiav txim siab kwv yees li cas cov nyiaj, soj ntsuam cov flocculation thiab kev ua kom tus nqi kho, thiab xaiv frocculation tus neeg sawv cev.
Lub Sijhawm Post: Dec-19-2022