Sodium acetate tov chaw tsim tshuaj paus, sodium acetate nkaus thiab siv

Sodium acetate tov chaw tsim tshuaj paus, sodium acetate nkaus thiab siv,
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Ua kua sodium acetate
① Cov cim tseem ceeb:
Cov ntsiab lus: Cov ntsiab lus ≥20%, 25%, 30% Cov tsos mob: cov kua ntshiab thiab pob tshab, cov kua dej los ntawm cov khoom siv yog cov ntshiab thiab xim daj me ntsis.
Sensory: tsis muaj ntxhiab tsw ntxhiab. Dej insoluble teeb meem: 0.006% lossis tsawg dua

58% khoom los npaj 25% dej tov:

Raws li qhov sib piv ntawm 1 kg ntawm sodium acetate rau 1.3 kg ntawm dej, dej kub ntawm chav tsev kub yog li 20 degrees, qhov kev sib cais yog qeeb dua 10 degrees.

Qhov chaw khov ntawm 25% aqueous tov yog li -10 degrees.

② Kev siv tseem ceeb:

Lub luag haujlwm tseem ceeb ntawm cov kua sodium acetate hauv cov dej phwj tuaj yog txhawm rau ntxiv cov pa roj carbon monoxide rau cov kab mob denitrifying, cob qhia denitrifying sludge, thiab tom qab ntawd siv cov tshuaj tsis txaus 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, kev kho cov dej phwj tuaj ntawm txhua lub nroog thiab cov nroog yuav tsum tau ntxiv sodium acetate los ua cov pa roj carbon monoxide yog tias nws xav ua kom tau raws li qhov tso tawm qib kuv tus qauv.

③ Tus qauv xa tuaj:
Thaum qhov ntau npaum ntawm sodium acetate yog 15mg / L, qhov hluav taws xob qhov hluav taws xob ntawm txhua qhov kev ntsuas ntawm lub cev tuaj yeem ua tau raws li "Tshaj Tawm Tus Txheej Txheem ntawm Cov Khoom Siv Hluav Taws Xob los ntawm Kev Kho Dej Hauv Nroog" GB18918-2002 Class A tus qauv. Thaum cov koob tshuaj yog 30mg / L, phosphorus tso tawm tus nqi ntawm anaerobic seem, phosphorus nqus tus nqi ntawm aerobic seem thiab nitrogen tshem tawm tus nqi ntawm anoxic seem yog tag nrho cov siab, uas yuav ncav cuag 3.54 MgPo43-p / (g MLSS·h) 2.54 mgPO43– P/(g MLSS·h). Thiab 1.53 mgNOx-N/(gMLSS·h). Thaum noj cov tshuaj sodium acetate yog 9mg / L thiab 15mg / L, denitrification thiab phosphorus tshem tawm tau tshwm sim hauv ntu hypoxia, thiab phosphorus nqus tau yog 0.36mgPO43–P / (g MLSS·h) thiab 0.02 (mgPO43–P / (. gMLSS·h), raws li cov ntsiab lus, lub kaw lus yuav ruaj khov thiab txhim khu kev qha thaum cov tshuaj sodium acetate yog 30mg / L.