Sodium Sulfite Dej Tshuaj

Sudium Sulfite yog hmoov dawb crystalline nrog cov khoom siv muaj zog muaj zog, ua rau nws muaj txiaj ntsig hauv kev lag luam ntau:

Kev Kho Mob Dej

Kev txiav txim: Tshem tawm cov chlorine ntau dhau los ntawm cov dej khib nyiab thiab haus dej .

Oxygen Scavenger: Tiv thaiv kev corrosion hauv boilers nyob rau hauv boilers thiab cua txias tshuab .

Kev yees duab

Tsim Tus Neeg Sawv Cev: Tiv thaiv cov duab daws teeb meem los ntawm oxidation .

Pulp & Daim Ntawv Kev Lag Luam

Tshuaj dawb: Pab hauv cov txheej txheem sulpite pulping txheej txheem los tsoo cov tsiaj lasnin .

Tsis muaj txiaj ntsig: Siv hauv daim ntawv rov ua dua tshiab .

Textile Kev Lag Luam Textile

Tshuaj dawb & Desulfurizing: Kho cov ntaub thiab tshem tawm ntau dhau los .

Kev Siv Tshuaj Siv

Nruab nrab: Siv rau kev tsim cov sodium thiosulfate, dyes, thiab lwm yam tshuaj uas sulfur .

Txo tus neeg sawv cev: Hauv synthic synthesis thiab kub extraction .

Kws Tshuaj

Tshuaj tua kab mob antioxidant: Khaws tej tshuaj thiab cov kev daws teeb meem .

Sodium sulfite (nakso₃) plays lub luag haujlwm tseem ceeb hauv kev kho dej vim nwsKev Lom Zem, Cov Pa Scavenging, thiab Corrosion InhibitionCov khoom .} hauv qab no yog cov ntaub ntawv ntxaws ntxaws ntawm nws cov ntawv thov, cov qauv kev sib tw, thiab yav tom ntej hauv cov sector .

{{01. Cov ntawv thov tseem ceeb hauv kev kho cov dej

a) dechlorination (tshem tawm ntawm cov tshuaj chlorine)

Lub nroog & tshuaj tua kab dej khov: chlorine yog siv rau kev ntxuav tawm tab sis yuav tsum tau muab tshem tawm ua ntej lub neej ua kom puas tsuaj {}}} sodium sulfiteneutralizes chlorineNtawm cov tshuaj tiv thaiv:

Na23+ cl {} h2o → h 5o {} cl2 + h2 {+2 hcl

Kev Kho Mob Dej: Xyuas kom cov chlorine muaj kev nyab xeeb hauv cov tshuaj chlorine muaj txiaj ntsig zoo hauv dej potable .

B) Oxygen Scavenger Hauv Boiler & Cua Tshuab

Tiv thaivkev ua cev tubHauv cov nroj tsuag hluav taws xob, ua kom zoo dua, thiab cov khoom muaj roj hauv kom tshem cov pa tsw yaj:

2NAs2222222222222222 3+} O2} → 2NA2NA42na 332222 So3 + O2 → 2na2 So4

Ntau tus nqi-tau zoo dua lwm txoj kev zoo li hyzazine (uas yog tshuaj lom) .

c) Hnyav Hlau nag los

Pab tshem tawm cov hlau (e {{{{0} g}}}}}}}}