Polyacrylamide Pam yog lub siab loj molecular phaus organic flocculant uas tuaj yeem yaj hauv dej hauv ib qho kev faib ua feem. Cov kua aqueous yog cov kua hauv qab. Cov khoom tseem ceeb ntawm polyacrylamide yog flocculation, adhesion, txo qis thiab ua tuab. Nws yog dav siv hauv cov roj tawm, kev kho kom dej, dej kho, ua haujlwm thiab lwm thaj teb.
Ntawm polyacrylamide
1. Cov khoom tuaj yeem muab faib ua emulsion polyacrylamide thiab granular polyacrylamide raws li nws cov tsos.
2. Cov khoom tuaj yeem faib rau hauv Cationic Polyacrylamide (CPAM), anionic polyacrylamide (apram), thiab nocam) raws li nws cov ionic cov khoom.
Daim Ntawv Thov Polyacrylamide
- Roj Extraction Teb
Cov tshuaj aqueous ntawm polyacrylamide muaj viscosity siab thiab muaj cov kev cuam tshuam zoo thiab flocculation cuam tshuam. Nyob rau hauv cov roj tawm, nws tuaj yeem siv ua cov roj kev hloov pauv roj thiab cov av tswj kev tswj hwm kom txhim kho cov roj rov qab tus nqi.
- Dej Kho Teb
Kev kho dej suav nrog cov dej ua dej nyoos, dej phwj kev kho thiab kho dej. Lub zog flocculation ua tau zoo yuav txhim kho kev ua haujlwm ntawm dej phwj.
- Papermaking teb
Polyacrylamide tuaj yeem siv los ua tus neeg sawv cev ua haujlwm thiab dispersant hauv papermaking los txhim kho kom zoo thiab muaj zog ntawm daim ntawv. Cov dej phwj tuaj los ntawm papermaking tuaj yeem ua kom huv thiab kho kom tau raws li cov qauv emission.
- Mineral Ua Haujlwm Teb
Hauv kev ua haujlwm ntawm cov pob zeb ua haujlwm, polyacrylamide tuaj yeem txhim kho cov nyhuv ntawm ions ntawm cov khib nyiab thiab cov hlau rov qab los ntawm cov khib nyiab thiab cov hlau rov qab los ntawm cov roj ntsha thiab txo cov kuab paug thiab txo cov pa phem ib puag ncig.
Cov hauv paus ntsiab lus ntawm kev siv polyacrylamide
1. Polyacrylamide tsis tuaj yeem muab ntxiv ncaj qha rau cov dej phwj thiab yuav tsum tau yaj hauv dej ua ntej siv.
2. Siv cov kais dej kom yaj polyacrylamide. Thaum cov dej kub qis dua 5 degree, kev sib cais yog qeeb heev. Thaum cov dej kub muaj nce, kev sib zog ua kom nrawm dua. Thaum cov dej kub tshaj li 40 degree, lub polymer yuav degree sai dua, cuam tshuam rau cov nyhuv siv.
3. Qhov pom zoo xaus kev sib piv ntawm polyacrylamide yog 0 -0. 3%.
