Kev Lag Luam Kev Lag Luam thiab Cov yam ntxwv ntawm Tannery Wastewater
Hauv lub neej txhua hnub, cov khoom lag luam tawv xws li khau, khau tawv, cov khaub ncaws tawv, tawv nqaij tawv, thiab lwm yam. Nyob rau hauv xyoo tsis ntev los no, kev lag luam tawv tau tsim sai. Nyob rau tib lub sijhawm, tso tawm ntawm tannery wastewater tau maj ua ib qho ntawm cov khoom tseem ceeb ntawm kev muaj kuab paug.
Tanning feem ntau suav nrog peb theem ntawm kev npaj, tanning thiab xov. Hauv seem npaj ua ntej tanning, cov dej phwj tuaj, so los ntawm kev ntxuav, soaking, lim, softening thiab degreeze; Cov pa paug loj muaj xws li cov zaub khib nyiab cov organic, cov khib nyiab thiab cov organic sib txuas. Dej khib nyiab hauv ntu tanning tsuas yog los ntawm kev ntxuav, pickling, thiab tanning; Cov pa tsis zoo yog cov ntsev inorganic thiab hnyav hlau chromium. Cov dej khib nyiab nyob rau hauv seem xaus yog los ntawm ntxuav, nyem, tawg, fatliquing, fatlieting, fatliquoring muaj xws li dyes, roj thiab organic teb. Yog li ntawd, tannerery wastewater muaj cov yam ntxwv ntawm cov dej loj, loj cov ntsiab lus ntawm cov khoom siv tsis zoo, muaj cov ntsiab lus zoo, thiab lwm yam.
Sulphur-muaj cov khib nyiab dej: txwv cov khib nyiab ua kua los ntawm cov hmoov av tshauv-alkali
Degreat Wastewater: Hauv kev ua tiav thiab cov tawv nqaij ua tiav, cov khib nyiab ua los ntawm kev kho cov nqaij nyoos thiab roj nrog surfactant thiab cov tshuaj khib nyiab ntawm cov txheej txheem ntxuav.
Chromium-muaj dej khib nyiab: khib nyiab chrome cawv ua rau hauv chrome termning thiab chrome retanning cov txheej txheem, thiab cov qauv pov tseg hauv kev ntxuav cov txheej txheem.
Cov sijhawm pov tseg: ib qho kev tsim tawm dav dav los ntawm kev ua haujlwm kom muaj kev ua haujlwm kom muaj zog lossis tsis muaj zog tso dej, thiab tsis muaj dej phwj tuaj ntxiv rau hauv cov chaw tshwj xeeb).
Lub Sijhawm Post: Jan-17-2023
