Kev siv sodium acetate hauv cov dej phwj tuaj kho
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1. Cov cim tseem ceeb:
Cov ntsiab lus: ≥20%, ≥25%, ≥30%
Cov tsos mob: ntshiab thiab pob tshab kua, tsis muaj ntxhiab tsw ntxhiab.
Cov dej tsis muaj dej: ≤0.006%
2. Lub hom phiaj tseem ceeb:
Txhawm rau kho cov dej phwj hauv nroog, kawm txog kev cuam tshuam ntawm cov hnub nyoog sludge (SRT) thiab cov pa roj carbon monoxide (sodium acetate solution) ntawm qhov system denitrification thiab phosphorus tshem tawm. Sodium acetate yog siv los ua cov pa roj carbon monoxide ntxiv rau kev ua kom cov sludge denitrification, thiab tom qab ntawd siv cov tshuaj tsis haum los tswj qhov nce hauv pH thaum lub sij hawm denitrification hauv thaj tsam ntawm 0.5. Cov kab mob denitrifying tuaj yeem adsorb CH3COONa ntau dhau, yog li thaum siv CH3COONa ua cov pa roj carbon monoxide sab nraud rau denitrification, tus nqi COD effluent kuj tseem tuaj yeem khaws cia ntawm qib qis. Tam sim no, kev kho cov dej phwj tuaj hauv txhua lub nroog thiab cov nroog yuav tsum tau ntxiv sodium acetate ua cov pa roj carbon monoxide kom ua tau raws li cov qauv emissions thawj theem.
| Yam khoom | SPECIFICATION | ||
| Qhov tshwm sim | Colorless pob tshab kua | ||
| CONTENT (%) | ≥20% | ≥25% | ≥30% |
| COD (mg / L) | 15-18 wb | 21-23 W | 24-28 W |
| pH | 7 ~ 9 | 7 ~ 9 | 7 ~ 9 |
| Heavy hlau (%, 以Pb计) | ≤ 0.0005 | ≤ 0.0005 | ≤ 0.0005 |
| Xaus | Tsim nyog | Tsim nyog | Tsim nyog |
Sodium acetate plays lub luag haujlwm tseem ceeb hauv kev tswj hwm tus nqi PH hauv kev kho dej phwj. Sodium acetate yog cov tshuaj alkaline uas tuaj yeem ua rau hydrolyzed los ua OH- tsis zoo ions hauv dej, uas tuaj yeem cuam tshuam bai acid ions hauv dej, xws li H +, NH4+, thiab lwm yam. Sodium acetate tau siv dav hauv kev kho dej khib nyiab hauv xyoo tas los. , tab sis koj puas paub tias nws siv li cas? Hnub no, tsab ntawv me me ntawm Hebei Pengfa yuav tham nrog koj.
Ua ntej tshaj plaws, sodium acetate tsis yog siv hauv kev lag luam kho dej, nws ib txwm siv hauv kev lag luam luam ntawv thiab dyeing. Tsuas yog vim tias kev lag luam kho dej phwj tuaj tau nce zuj zus nyob rau xyoo tas los no, thiab muaj qhov xav tau tiag tiag ntawm sodium acetate los txhim kho cov dej phwj hauv lub hom phiaj. Tias yog vim li cas nws tau siv hauv kev lag luam dej phwj. Sodium acetate tau siv los ua cov pa roj carbon ntxiv los ua kom cov denitrification sludge, thiab tom qab ntawd cov tshuaj tsis yog siv los tswj qhov nce ntawm pH tus nqi hauv cov txheej txheem denitrification hauv 0.5 ntau yam. Cov kab mob denitrifying tuaj yeem overabsorb CH3COONa, yog li COD tus nqi ntawm cov dej ntws tawm tuaj yeem khaws cia ntawm qib qis thaum CH3COONa siv los ua cov pa roj carbon ntxiv rau denitrification. Tam sim no, txhua lub nroog thiab lub nroog cov dej phwj tuaj kho kom tau raws li cov qauv kev tso tawm yuav tsum tau ntxiv cov sodium acetate (sodium acetate) ua cov pa roj carbon.
