Raws li ib tug coagulrant dav siv nyob rau hauv daim teb ntawm kev kho cov dej,PacCov khoom ua pov thawj zoo heev tshuaj ruaj khov ntawm chav tsev kub thiab muaj cov ntawv thov dav PH. Qhov no tso cai rau kev tawm tsam sai thiab ua alum paj thaum kho ntau yam dej muaj txiaj ntsig, yog li tshem cov pa paug los ntawm cov dej. Hauv kev kho kom muaj kev kho dej huv, PAC muaj qhov cuam tshuam tseem ceeb ntawm kev tshem tawm cov tshuaj muaj teeb meem xws li phosphorus, ammonia nitrogen, cod, phia thiab hlau hnyav. Qhov no yog feem ntau vim yog muaj zog sib cav muaj peev xwm ntawm pac, uas muaj peev xwm coagulation cov tshuaj phem no los ntawm kev kos duab banding, floilitating txuas ntxiv thiab pom.
Pam: The Rais Riam Phom Rau Kev Ua Haujlwm Flocculation
Siv lub luag haujlwm ua ke nrog PAC, Pam ua lub luag haujlwm tsis tseem ceeb hauv kev kho kom tsis tau. Raws li cov polymer flocculant, PAM txhim kho cov nyhuv flocculation los ntawm kev kho nws cov roj molecular, ionicity thiab ionic degree. Pam tuaj yeem ua rau cov flocs ntau dua kev cog lus thiab nce cov sedimentation ceev, li kev txhim kho dej ntshiab. Yog tias noj tshuaj ntawm Pam tsis txaus lossis tshaj, cov flocs yuav dhau mus, ua rau cov dej turbid zoo.
Kev txiav txim siab qhov ua tau zoo ntawm PAC thiab PAM los ntawm Froc cov kev mob
Saib xyuas qhov loj me ntawm cov flocs: yog tias cov flocs yog me me tab sis floly faib, nws txhais tau tias qhov kev sib piv ntawm Pam thiab PAC tsis yog sib koom tes. Txhawm rau txhim kho cov nyhuv, cov tshuaj ntau ntawm PAC yuav tsum tau nce siab.
Txheeb xyuas cov nyhuv sedimentation: Yog tias cov txiaj ntsig tshem tawm yog qhov ua tau zoo, tab sis cov dej ua tau zoo zoo nkauj, tab sis cov dej ua tau zoo ntxiv lossis cov pam piv tsis tsim nyog. Lub sijhawm no, koj tuaj yeem xav txog kev nce ntau ntau ntawm PAC thaum khaws cov feem ntawm Pam tsis hloov pauv thiab txuas ntxiv saib cov nyhuv.
Saib xyuas cov morphology ntawm Flocs: Yog tias cov flocs yog tuab tab sis cov dej yog turbid, cov tshuaj ntawm Pam tuaj yeem nce ntxiv; Yog hais tias cov sediment yog me me thiab tus supernatant yog turbid, nws qhia tau tias cov tshuaj ntawm Pam tsis muaj peev xwm, thiab nws cov nqi yuav tsum tau nce ntxiv.
Qhov tseem ceeb ntawm cov lus xeem ntawv (tseem hu ua Beaker sim): Hauv kev kuaj mob hauv daim duab, yog tias scum ntawm lub beaker, nws txhais tau tias PAM ntau tau ntxiv. Yog li ntawd, nws koob tshuaj yuav tsum tau txo kom zoo.
Kev ntsuam xyuas ntawm Clarity: Thaum cov khib nyiab tshem tawm yog qhov zoo lossis ntxhib, yog tias supernatant meej heev, nws txhais tau tias cov nyiaj piv ntawm Pam thiab PAC yog qhov tsim nyog dua.
Hauv kev txiav txim siab luv luv, txhawm rau kom ua tiav cov txiaj ntsig flocculation zoo tshaj plaws, cov tshuaj ntawm PAC thiab PAM yuav tsum tau ua tib zoo tswj tau thiab kho kom zoo. Los ntawm kev soj ntsuam thiab sim, peb tuaj yeem yog txiav txim siab dua cov cuam tshuam ntawm ob, yog li ua kom zoo dua cov txheej txheem dej phwj. Hauv kev siv cov kev siv, nws yog qhov tsim nyog kom xav txog cov xwm txheej tsis zoo, cov khoom siv kho thiab lwm yam los tsim cov phiaj xwm tshuaj lom neeg. Ntxiv rau, kev saib xyuas txaus yuav tsum tau them rau qhov chaw cia khoom, tsheb thauj mus los thiab ua kev npaj ua ke thiab kev npaj ua kom ntseeg tau zoo thiab kev nyab xeeb ntawm cov tshuaj.
Lub Sijhawm Post: Jul-17-2024