Polyacrylamide siv rau neutralization thiab kev kho nag lossis daus ntawm cov kua qaub pov tseg

Pickling feem ntau yog txuam nrog passivation. Feem ntau hais lus, cov ntaub ntawv uas xav tau pickling yuav tsum tau passivated, vim hais tias tom qab pickling, nto yuav tsis tsim ib tug passive zaj duab xis, los yog lub thickness ntawm passive zaj duab xis yog heev nyias, yog li tsis muaj kev cuam tshuam. Cov txheej txheem passivation tom ntej yuav tsum tau ntxiv rau daim ntawv thiab hloov cov zaj duab xis passivation ntawm qhov chaw. Cov dej cawv khib nyiab ntawm polyacrylamide feem ntau yog tsim los ntawm nitrate, Fu compound, trivalent hlau ion, trivalent chromium ion, thiab nickel ion. Vim tias muaj ntau qhov chaw muaj kuab paug, nws nyuaj rau tswj.

Cov kua dej khib nyiab yog lim los ntawm daim phiaj thiab ces muab tso rau hauv lub tank homogenization. Cov dej zoo thiab kom muaj nuj nqis ntawm cov kua khib nyiab pov tseg tau khaws cia rau hauv qhov chaw ruaj khov kom ntseeg tau tias kev ua haujlwm ib txwm muaj tom qab neutralization thiab sedimentation system.

Hauv cov kauj ruam tom ntej, cov kua khib nyiab pov tseg nkag mus rau hauv lub tank polyacrylamide neutralization cov tshuaj tiv thaiv, thiab cov txiv qaub ntxiv los kho tus nqi pH. Txhawm rau tshem tawm Fu ions los ntawm cov dej khib nyiab, pH tus nqi ntawm lub tank nruab nrab yuav tsum tswj tau siab tshaj 10.5. Thaum tus nqi pH mus txog 9.5, cov hlau hnyav ions tsim hydroxide nag lossis daus, thiab CaF2 thiab f precipitated ua ke.

Vim yog cov txiv qaub ntau ntxiv, qhov tsis txaus ntseeg ncaj qha tsim cov sludge, thiab cov calcium uas yaj ion yuav ua ke nrog sulfate ion hauv cov dej khib nyiab los tsim cov calcium sulfate ntau. PAM polyacrylamide yog ntxiv rau kom nrawm cov sedimentation thiab coagulation, thiab tom qab ntawd cov kua dej nruab nrab thiab precipitated pickling khib nyiab nkag mus rau hauv lub tank sedimentation rau cov kua dej sib cais. Cov kua ntshiab yog tawm los ntawm lub tank sedimentation, thiab cov sediment nkag mus rau hauv lub sludge cia tank rau lub cev qhuav dej los tsim sludge ncuav mog qab zib.

Oubo Tshuaj  yog ib lub tuam txhab loj tshaj plaws Polyacrylamide nyob rau hauv Suav teb, Oubo tshwj xeeb hauv kev muab  Cationic Polyacrylamide , Anionic Polyacrylamide, thiab  Nonionic Po lyacrylamide , peb muaj cov cuab yeej siv siab heev thiab cov neeg ua haujlwm tshaj lij, uas ua kom tag nrho cov khoom thiab kev pabcuam kom zoo. Lub peev xwm txhua xyoo ntawm polyacrylamide tau tawg los ntawm 50,000 ions hauv xyoo 2018, thiab kev tswj xyuas zoo ntawm Oubo tau lees paub los ntawm IS09001: 2008. Peb zoo siab sawv tom qab peb cov khoom.


Post lub sij hawm: Jan-29-2021
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