Kev Ntsuas Cov Lus Qhia Tseem Ceeb ntawm PolyDADMAC
Cov ntsiab lus nquag, tseem hu ua cov ntsiab lus khov, sawv cev rau feem pua ntawm PolyDADMAC polymer zoo hauv cov tshuaj coagulant. Hauv kev lag luam kho dej thoob ntiaj teb, PDADMAC coagulants feem ntau muab nrog cov ntsiab lus nquag xws li 10% txog 40%, nrog 20%, 30%, thiab 40% yog cov qib nrov tshaj plaws hauv kev lag luam.
Los ntawm qhov kev ua tau zoo thiab tus nqi, cov ntsiab lus nquag yog ib qho ntawm thawj cov lus qhia uas tus neeg yuav khoom yuav tsum paub meej nrog ib qhotus neeg muag khoom coagulant.
Vim li cas PolyDADMAC Cov Ntsiab Lus Khoom Tseem Ceeb?
Cov ntsiab lus nquag dua txhais tau tias cov coagulant zoo dua tuaj yeem xa tuaj rau ib chav tsev. Qhov no cuam tshuam ncaj qha rau:
Kev ua haujlwm ntawm cov tshuaj:Cov khoom khov siab dua xav tau cov ntim tshuaj tsawg dua rau tib qho kev kho mob
Cov nqi thauj mus losCov dej tsawg dua txo cov nqi thauj khoom ib tuj ntawm cov tshuaj coagulant zoo
Kev ua haujlwm zoo ntawm kev khaws cia: Cov khoom muaj concentration ntau dua txo qhov yuav tsum tau siv lub tank cia khoom
Kev ua haujlwm sib xwsCov ntsiab lus ruaj khov ua kom ntseeg tau tias kev ua haujlwm ntawm cov ntshav coagulation tau kwv yees tau
Rau cov chaw kho dej loj hauv nroog lossis cov chaw lag luam, kev siv cov tshuaj PolyDADMAC coagulants uas khov kho dua feem ntau ua rau muaj kev lag luam zoo dua rau kev ua haujlwm mus sij hawm ntev.
Cov Neeg Yuav Khoom Tshawb Xyuas Cov Ntsiab Lus Khoom PolyDADMAC: Cov Ntsiab Lus Tseem Ceeb
Thaum soj ntsuam PolyDADMAC, cov neeg yuav khoom yuav tsum paub meej tias:
- Cov feem pua ntawm cov ntsiab lus nquag (piv txwv li, 20%, 30%, 40%)
- Qhov kam rau siab tau rau kev hloov pauv ntawm ib pawg mus rau ib pawg
- Seb cov ntsiab lus nquag puas tau txheeb xyuas los ntawm kev sim sab nraud
- Kev sib raug zoo nrog cov txheej txheem dosing thiab dilution uas twb muaj lawm
Ib tus kws tshaj lij coagulant tus neeg muab khoom yuav tsum muaj peev xwm muab cov ntaub ntawv qhia meej thiab cov ntsiab lus nquag sib xws thoob plaws cov khoom tsim tawm.
Qhov hnyav molecular yog ib qho ntawm cov cim qhia kev ua tau zoo tshaj plaws ntawm PDADMAC. Nws cuam tshuam ncaj qha rau qhov loj ntawm floc, qhov ceev ntawm kev sib sau ua ke, thiab kev ua haujlwm ntawm sludge dewatering.
PDADMAC feem ntau yog cais ua:
Qhov hnyav molecular qis - tsim nyog rau kev them nqi neutralization
Qhov hnyav molecular nruab nrab - kev sib npaug ntawm cov coagulation thiab flocculation
Qhov hnyav molecular siab - muaj peev xwm txuas thiab tsim floc zoo
Qhov tseem ceeb ntawm PolyDADMAC Molecular Weight
Cov khoom uas muaj qhov hnyav molecular qis ua haujlwm sai tab sis tsim cov flocs me dua
Cov khoom muaj cov molecular hnyav siab ua kom lub zog floc thiab sedimentation zoo dua
Qhov hnyav molecular tsis raug tuaj yeem ua rau tsis meej lossis overdosing
Yuav tsum xyuas dab tsi:
Qhov hnyav ntawm cov khoom siv uas tus neeg muag khoom txhais
Cov lus qhia tshwj xeeb rau daim ntawv thov
Cov ntaub ntawv kev ua tau zoo los ntawm cov lag luam zoo sib xws lossis cov dej zoo
Qhov ceev ntawm cov nqi hluav taws xob qhia txog qhov ntau ntawm cov nqi hluav taws xob zoo uas muaj rau kev ua kom cov khoom me me uas muaj nqi hluav taws xob tsis zoo hauv dej tsis muaj zog. PDADMAC feem ntau muaj qhov ceev ntawm cov nqi hluav taws xob cationic siab thiab ruaj khov piv rau lwm cov polymers.
Vim li cas nws thiaj tseem ceeb:
Txheeb xyuas qhov ua tau zoo ntawm cov ntshav coagulation
Cuam tshuam rau cov kev xav tau ntawm cov tshuaj
Kev cuam tshuam kev sib raug zoo nrog cov inorganic coagulants xws li PAC lossis alum
Yuav tsum xyuas dab tsi:
Kev sib xws ntawm qhov ceev ntawm cov nqi
Haum rau cov dej khib nyiab uas muaj turbidity siab lossis muaj xim ntau
Kev sib koom tes nrog cov tshuaj kho mob uas twb muaj lawm
PDADMAC uas muaj zog ntau yog qhov tshwj xeeb tshaj yog rau kev tshem tawm xim thiab kev tswj qhov tsis huv.
Qhov viscosity qhia txog ob qho tib si molecular qauv thiab concentration. Nws kuj tseem cuam tshuam rau kev tuav, pumping, thiab dosing tseeb.
Vim li cas nws thiaj tseem ceeb:
Cov khoom siv viscosity siab yuav xav tau cov twj tso kua mis muaj zog dua
Qhov viscosity qis dua txhim kho kev tuav tab sis tej zaum yuav qhia tau tias qhov hnyav molecular qis dua
Kev hloov pauv ntawm viscosity sai sai yuav ua rau qhov tsis ruaj khov ntawm cov khoom zoo
Yuav tsum xyuas dab tsi:
Qhov ntau ntawm viscosity ntawm qhov kub thiab txias (feem ntau 25 ° C)
Kev ruaj khov ntawm pawg mus rau pawg
Kev sib raug zoo nrog koj cov khoom siv dosing
Viscosity yuav tsum tau soj ntsuam ua ke nrog qhov hnyav molecular thiab cov ntsiab lus khoom.
Qhov ceev ntawm cov nqi hluav taws xob qhia txog qhov ntau ntawm cov nqi hluav taws xob zoo uas muaj rau kev ua kom cov khoom me me uas muaj nqi hluav taws xob tsis zoo hauv dej tsis muaj zog. PDADMAC feem ntau muaj qhov ceev ntawm cov nqi hluav taws xob cationic siab thiab ruaj khov piv rau lwm cov polymers.
Vim li cas nws thiaj tseem ceeb:
Txheeb xyuas qhov ua tau zoo ntawm cov ntshav coagulation
Cuam tshuam rau cov kev xav tau ntawm cov tshuaj
Kev cuam tshuam kev sib raug zoo nrog cov inorganic coagulants xws li PAC lossis alum
Yuav tsum xyuas dab tsi:
Kev sib xws ntawm qhov ceev ntawm cov nqi
Haum rau cov dej khib nyiab uas muaj turbidity siab lossis muaj xim ntau
Kev sib koom tes nrog cov tshuaj kho mob uas twb muaj lawm
PDADMAC uas muaj zog ntau yog qhov tshwj xeeb tshaj yog rau kev tshem tawm xim thiab kev tswj qhov tsis huv.
PDADMAC paub txog nws qhov ntau thiab tsawg pH zoo, feem ntau ua tau zoo ntawm pH 4 thiab pH 10.
Vim li cas nws thiaj tseem ceeb:
Ua kom muaj kev ua haujlwm ruaj khov nyob rau hauv ntau yam dej nyoos
Txo qhov xav tau kev kho pH
Txhim kho kev ntseeg siab ntawm cov txheej txheem
Yuav tsum xyuas dab tsi:
Cov pH ua haujlwm pom zoo
Kev ruaj khov nyob rau hauv cov mob acidic lossis alkaline
Cov ntaub ntawv kev ua tau zoo raws li cov nqi pH ua haujlwm tiag tiag
Cov ntsiab lus ntawm cov monomer seem yog qhov tseem ceeb rau kev nyab xeeb thiab kev cai lij choj. Cov PDADMAC zoo yuav tsum muaj cov monomer seem tsawg heev.
Vim li cas nws thiaj tseem ceeb:
Kev cuam tshuam rau ib puag ncig thiab kev nyab xeeb ntawm tib neeg
Cuam tshuam rau kev ua raws li cov dej haus lossis cov qauv kev lag luam
Qhia txog kev tswj cov txheej txheem tsim khoom
Yuav tsum xyuas dab tsi:
Cov ntawv qhia txog kev sim ntawm cov neeg muab khoom
Ua raws li cov qauv tsim nyog
Cov kev txwv tshwj xeeb rau daim ntawv thov (tshwj xeeb tshaj yog rau kev kho dej haus)
Hauv ntau lub tshuab, PDADMAC siv ua ke nrog cov inorganic coagulants lossis flocculants xws li PAC, alum, lossis polyacrylamide.
Vim li cas nws thiaj tseem ceeb:
Ua kom muaj kev tsim cov floc ruaj khov
Tiv thaiv kev cuam tshuam tshuaj lom neeg lossis kev poob haujlwm
Txhim kho tag nrho cov nqi kho mob
Yuav tsum xyuas dab tsi:
Cov ntaub ntawv xeem sib xws
Cov txheej txheem noj tshuaj uas pom zoo
Cov ntaub ntawv siv rau daim teb
PDADMAC feem ntau yog muab los ua cov khoom ua kua thiab xav tau cov ntim khoom kom zoo kom tswj tau qhov zoo thaum lub sijhawm thauj mus los thiab khaws cia.
Vim li cas nws thiaj tseem ceeb:
Tiv thaiv kev ua qias tuaj thiab kev puas tsuaj
Ua kom muaj kev nyab xeeb ntawm kev tuav pov hwm
Txhawb kev tswj cov khoom muag mus sij hawm ntev
Yuav tsum xyuas dab tsi:
Muaj cov ntim khoom (IBC, nruas, ntau)
Lub neej txee nyob rau hauv cov xwm txheej khaws cia ib txwm muaj
Kev txwv kub thaum lub sijhawm khaws cia thiab thauj mus los
Kev Txhawb Nqa thiab Kev Tswj Xyuas Zoo ntawm Tus Neeg Muab Khoom PolyDADMAC
Tshaj li cov lus qhia ntawm cov khoom, tus neeg muag khoom lub peev xwm ua haujlwm ua lub luag haujlwm tseem ceeb hauv kev ua tau zoo mus sij hawm ntev.
Vim li cas nws thiaj tseem ceeb:
Txhawb kev xaiv khoom kom raug
Ua kom muaj kev sim hauv chaw lossis hauv chaw kuaj mob
Ua kom zoo ib yam li qub
Yuav tsum xyuas dab tsi:
Cov txheej txheem tswj xyuas zoo
Kev taug qab ntau yam
Muaj kev pab txhawb nqa thiab kev qhia txog daim ntawv thov
Xaiv Tus Neeg Muab Khoom PolyDADMAC Txhim Khu Kev Ntseeg Siab
Thaum nrhiav cov tshuaj PolyDADMAC coagulants, kev ntsuam xyuas tus neeg muag khoom tseem ceeb ib yam li kev tshuaj xyuas cov lus qhia tshwj xeeb. Tus neeg muag khoom coagulant txhim khu kev qha yuav tsum muab cov khoom zoo sib xws, cov lus qhia meej, thiab kev txhawb nqa kev siv.
Cov ntsiab lus tseem ceeb uas yuav tsum xav txog thaum xaiv tus neeg muag khoom PolyDADMAC coagulant suav nrog:
Muaj peev xwm tsim khoom
Ib tug neeg muaj koob muaj npeTus neeg muag khoom PolyDADMACyuav tsum muaj cov chaw ua polymerization hauv tsev, kev tswj hwm cov txheej txheem nruj, thiab muaj peev xwm tsim khoom txaus los txhawb kev muab khoom ruaj khov mus sij hawm ntev.
Kev tswj xyuas zoo
Nrhiav cov neeg muag khoom uas muaj cov txheej txheem tswj xyuas zoo, kev taug qab ntau yam, thiab kev sim cov viscosity, cov ntsuas qhov hnyav molecular, qhov ceev ntawm cov nqi, thiab cov ntsiab lus nquag.
Kev txhawb nqa kev cai lij choj thiab kev ua raws li txoj cai
Rau cov dej haus lossis cov ntawv thov kev lag luam uas tswj hwm, tus neeg muab khoom coagulant yuav tsum muab cov ntaub ntawv ntsig txog kev nyab xeeb, kev tswj cov monomer seem, thiab kev ua raws li ib puag ncig.
Kev pabcuam thiab kev kho kom haum
Cov neeg muag khoom uas muaj kev paub dhau los tuaj yeem pom zoo cov qib PolyDADMAC uas tsim nyog, pab nrog kev sim lub thawv, thiab pab txhim kho cov tswv yim rau cov dej zoo sib txawv.
Kev xaiv PolyDADMAC zoo yuav tsum muaj ntau tshaj li kev sib piv cov nqi. Cov neeg yuav khoom yuav tsum ua tib zoo soj ntsuam cov lus qhia tseem ceeb xws li cov ntsiab lus nquag, qhov hnyav molecular, qhov ceev ntawm cov nqi, viscosity, pH stability, cov ntsiab lus monomer seem, thiab kev ua tau zoo ntawm daim ntawv thov.
Ib yam tseem ceeb heev yog xaiv ib lub chaw muag khoom coagulant uas ntseeg tau nrog lub peev xwm tsim khoom zoo, kev tswj xyuas zoo tas li, thiab kev txhawb nqa kev siv tshuab. Los ntawm kev nkag siab txog cov lus qhia tseem ceeb no thiab cov yam ntxwv ntawm cov chaw muag khoom, cov kws tshaj lij kho dej tuaj yeem ua kom muaj kev ua haujlwm coagulation ruaj khov, ua raws li txoj cai, thiab cov nqi kho kom zoo tshaj plaws thoob plaws hauv cov kab ke kho dej hauv nroog thiab kev lag luam.
Nrog kev ntsuam xyuas cov lus qhia tshwj xeeb thiab kev txhawb nqa ntawm tus neeg muag khoom PolyDADMAC uas tsim nyog, PDADMAC tuaj yeem xa cov txiaj ntsig txhim khu kev qha, ua haujlwm tau zoo, thiab tsim nyog tus nqi hauv ntau yam kev siv dej kho.
Lub sijhawm tshaj tawm: Lub Ob Hlis-09-2026
