Polyacrylamide, hu ua PAM, yog qhov siab pololecular-phaus polymer. Vim nws cov qauv tshuaj tshwj xeeb, PAM tau siv dav hauv ntau qhov kev lag luam. Hauv kev kho dej zoo xws li kev kho dej, roj av, Papermaking, PAM yog siv cov khoom siv tsis zoo, nce cov ntawv zoo. Txawm hais tias PAM muaj cov solubility uas tsis muaj dej hauv cov dej, peb tuaj yeem cuam tshuam nrog nws cov khoom siv ua kom tau zoo hauv ntau qhov kev siv khoom. Cov neeg ua haujlwm yuav tsum xyuam xim rau nws cov lus qhia kev ua haujlwm tshwj xeeb ua ntej siv. thiab kev ceev faj kom ntseeg tau tias cov khoom muaj txiaj ntsig thiab kev nyab xeeb ntawm tus kheej.
Cov tsos mob thiab tshuaj lom neeg ntawm polyacrylamide
Pam feem ntau yog muag hauv daim ntawv ntawm cov hmoov lossis emulsion. Pam Pam Pam Pam hmoov yog xim dawb rau lub teeb daj zoo uas yog me ntsis hygroscopic. Vim nws lub siab molecular hnyav thiab viscosity, pam yaj tau qeeb hauv dej. Cov txheej txheem hais txog kev sib cais yuav tsum tau siv thaum cov neeg ua kom meej thaum ua kom paub tseeb tias nws yog tag nrho cov dej.
Yuav Siv Pam Li Cas
Thaum siv PAM, koj yuav tsum xub xaiv ibtsim nyogFlocculantnrogCov lus qhia uas haum raws li cov ntaub ntawv thov tshwj xeeb thiab cov kev xav tau. Thib ob, nws yog qhov tsim nyog yuav tsum tau ua cov ntawv hlau rau cov dej nrog cov qauv dej thiab cov flocculant. Thaum lub sijhawm flocculation txheej txheem, lub nrawm dua thiab lub sijhawm yuav tsum tau tswj kom tau txais cov txiaj ntsig flocculation zoo tshaj plaws. Nyob rau tib lub sijhawm, cov tshuaj ntawm flocculant yuav tsum tau kuaj xyuas thiab kho kom ntseeg tau tias dej ua tau zoo thiab tsuas thiab lwm yam txheej txheem ua tau raws li qhov yuav tsum tau ua. Ib qho ntxiv, ua tib zoo ua rau cov tshuaj tiv thaiv kev cuam tshuam ntawm cov flocculant thaum siv tau raws li kev ntsuas kom haum yog tias kev ua haujlwm tsis meej.
Ntev npaum li cas nws coj mus tas sij hawm tom qab dissolving?
Thaum Pam yog rhuav tshem tag, nws lub sijhawm zoo yog feem ntau cuam tshuam los ntawm kub thiab lub teeb. Nyob rau hauv chav tsev kub, lub sij hawm siv tau ntawm PAM kev daws yog feem ntau yog 3-7 hnub nyob ntawm seb hom kev daws teeb meem. Thiab nws zoo tshaj plaws siv nyob rau hauv 24-48 teev. Pam kev daws yuav poob cov txiaj ntsig hauv ob peb hnub yog tias nthuav tawm lub hnub ci rau ncua sijhawm. Qhov no yog vim tias, nyob rau hauv kev txiav txim ntawm tshav ntuj, cov pam molecular chains yuav tawg, ua rau txo qis ntawm nws cov nyhuv flocculation. Yog li ntawd, cov kev daws teeb meem tsis tau muab tso rau hauv qhov chaw txias thiab siv kom nrawm li sai tau.
Cov kev ceev faj
Koj yuav tsum tau them sai sai rau cov khoom hauv qab no thaum siv PAM:
Cov Teeb Meem Kev Nyab Xeeb: Thaum kov Pam, tsim nyog cov cuab yeej tiv thaiv tus kheej yuav tsum tau hnav, xws li hnab looj tes siv tshuaj, thiab hnab looj tes siv tshuaj. Nyob rau tib lub sijhawm, zam kom tsis txhob sib chwv kom ncaj nraim nrog pam hmoov lossis daws.
Spills thiab tshuaj txau: Pam dhau los ua kev sib xyaw thaum ua ke nrog dej, yog li siv kev ceev faj ntxiv kom tiv thaiv pam hmoov los ntawm kev nchuav lossis ua kom zoo dua rau hauv av. Yog tias poob los yog txau, nws yuav ua rau hauv av los ua kev raug nplua thiab ua rau muaj kev phom sij zais rau cov neeg ua haujlwm muaj kev nyab xeeb.
Kev tu thiab kev tiv tauj: yog tias koj cov khaub ncaws lossis daim tawv nqaij sib txig tau cov hmoov lossis cov tshuaj tov, tsis txhob yaug nrog dej. Maj mam muab so hmoov nplej nrog phuam qhuav yog txoj kev nyab xeeb tshaj plaws.
Cia thiab tas sij hawm: Granular Pam yuav tsum tau muab cia rau hauv lub teeb pom kev zoo ntawm lub hnub ci thiab cua kom ua tau zoo. Ntev mus rau hnub ci thiab huab cua yuav ua rau cov khoom poob los yog txawm tsis meej. Yog li, kev ntim khoom tsim nyog thiab ntim khoom yuav tsum raug xaiv los xyuas kom cov khoom lag luam zoo thiab ruaj khov. Yog tias cov khoom lag luam tsis raug lossis tas sijhawm, nws yuav tsum tau hais txog nyob rau hauv lub sijhawm thiab hloov nrog cov khoom lag luam tshiab kom tsis txhob cuam tshuam ib txwm siv thiab kev nyab xeeb. Nyob rau tib lub sijhawm, kev saib xyuas yuav tsum tau them los kuaj lub neej txee ntawm cov khoom lag luam thiab kev tshuaj xyuas los ntawm cov kev ntsuam xyuas lossis kev tshuaj xyuas kom paub tseeb tias nws yuav tsum ua raws li cov cai.
Lub Sijhawm Post: Oct-30-2024