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Pam cov kev qhia tawm thiab cov tswv yim: cov lus qhia tshaj lij

Polyacrylamide(Pam), raws li tus neeg sawv cev dej tseem ceeb, tau siv dav hauv ntau daim teb. Txawm li cas los xij, yaj Pam tuaj yeem yog qhov kev sib tw rau ntau tus neeg siv. PAM cov khoom siv hauv kev lag luam pov tseg tsuas yog ua ob hom: hmoov nplej qhuav thiab emulsion. Kab lus no yuav qhia txog txoj kev xaus ntawm ob hom Pam hauv kev nthuav dav kom ntseeg tau tias cov neeg siv tau txais txiaj ntsig zoo tshaj plaws hauv kev ua haujlwm tiag tiag.

Pam qhov xaus kev kawm thiab cov tswv yim

 Polyacrylamide qhuav hmoov

Txoj kev ua tiav ncaj qha yog qhov yooj yim tshaj plaws thiab feem ntau cov neeg ua ke kawg. Hom no yog tsim nyog rau Pam hmoov nrog qis dua molecular hnyav thiab yog yooj yim rau yaj. Ntawm no yog cov kauj ruam tshwj xeeb:

Npaj lub khob: Xaiv cov thawv huv, qhuav, ruaj khov uas yog qhov loj txaus los tuav cov hmoov uas yuav tsum tau hmoov thiab dej. Tsis txhob siv hlau ntim lossis ntim nrog hlau stains.

Ntxiv cov kuab tshuaj: ntxiv cov dej kom tsim nyog.

Stirring: Pib lub stirrer. Thaum stirring, xyuas kom meej tias lub stirrer yog submerged hauv kev daws kom tsis txhob muaj npuas. Lub stirring ceev yuav tsum tsis txhob siab dhau kom tsis txhob muaj kev so ntawm cov pam molecular saw.

Ntxiv Pam hmoov: maj mam ntxiv cov hmoov uas yuav tsum tau hmoov rau hauv lub thawv thaum txhib maj mam zam kom tsis txhob ya plaw. Txuas ntxiv kom do txoj kev daws teeb meem los ua kom cov pam hmoov uas muaj kev liam rau hauv cov kuab tshuaj.

Tos kom muaj kev sib cais: ua kom nplawm thiab saib cov kev sib cais ntawm Pam hmoov. Feem ntau, nws yuav tsum tau do rau 1 txog 2 teev kom txog rau thaum Pam hmoov yog yaj tag.

Txheeb xyuas solubility: Tom qab ua tiav qhov kev sib cais, txiav txim siab seb nws puas tau ua tiav los ntawm kev kuaj xyuas lub pob tshab lossis kev daws teeb meem. Yog tias muaj cov khoom tsis muaj qhov cuam tshuam lossis cov nplais pob tshwm sim, txuas ntxiv nplawm kom txog thaum uas yaj tag nrho. Yog hais tias lub cev hnyav ntawm Pam yog siab dhau thiab kev sib cais yog qeeb heev, nws kuj tseem yuav siv tau 60 ° C.

Polyacrylamide Emulsion

Npaj lub thawv ntim khoom thiab cov cuab yeej: Xaiv lub thawv ntim kom ruaj khov kom ntseeg tau tias muaj qhov chaw txaus rau kev sib xyaw. Muaj lub stirrer lossis do pas npaj kom paub meej tias cov tshuaj sib xyaw kom huv.

Npaj cov kev daws teeb meem: ntxiv dej thiab pam ulsion ib txhij, thiab pib stirrer ib txhij los xyuas kom meej tias emulsion thiab dej sib xyaw.

Tswj cov kev xav kawg: Qhov kawg concentration ntawm Pam emulsion yuav tsum tau tswj hwm ntawm 1-5% kom ntseeg tau tias qhov zoo tshaj plaws flocculation. Yog tias koj xav tau kev hloov kho lub siab, txuas ntxiv ntxiv dej lossis nce cov pa emulsion.

Txuas ntxiv txoj hlua khi: Tom qab ntxiv Pam emulsion, txuas ntxiv kho cov tshuaj rau 15-25 feeb. Qhov no pab PAM molecules tag nrho cov disperse thiab yaj, kom ntseeg tau lawv cov dej.

Zam kev cuam tshuam ntau dhau: Txawm hais tias tsim nyog nplawm pab tau yaj ua kom qhov kev cuam tshuam ntawm PAM Molecules, txo nws cov txiaj ntsig flocculation. Yog li ntawd, tswj lub nrawm nroos thiab lub sijhawm.

Kev ntim khoom thiab siv: Khaws cov kev daws teeb meem yaj ywm hauv qhov chaw tsaus, qhuav, ua kom qhov ntsuas kub kom tsim nyog. Zam kev tshav ntuj ncaj qha tiv thaiv cov teeb meem Pam. Thaum siv, xyuas kom qhov kev sib txuam ntawm kev daws teeb meem kom tsis txhob cuam tshuam rau cov kev faib flocculation vim qhov kev faib tawm tsis sib luag.

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