Cov yam ntxwv thiab kev kho mob rau Cyanide-Cov dej khib nyiab
1. Cov yam ntxwv tseem ceeb
Cyanide- muaj cov dej khib nyiab feem ntau yog los ntawm kev lag luam xws li electroplating, roj tsim, coking, metallurgy, hlau ua, tshuaj fiber ntau, yas, tshuaj tua kab, thiab kev tsim tshuaj. Hom dej khib nyiab no muaj tshuaj lom heev thiab nthuav tawm qhov tsis ruaj khov hauv dej, ua kom yooj yim rau nws decomposition. Ob leeg inorganic thiab organic cyanides yog cov tshuaj lom heev, muaj peev xwm ua rau mob hnyav rau tib neeg thaum noj. Cov koob tshuaj tuag rau tib neeg yog 0.18g rau cyanide thiab 0.12g rau potassium cyanide. Nyob rau hauv cov dej ib puag ncig, cyanide concentration ntawm 0.04-0.1 mg / L yog ua rau ntses.
Txoj kev kho mob:
Cov txheej txheem hloov kho yuav tsum yog qhov tseem ceeb los txo lossis tshem tawm cov pa tawm ntawm cyanide- muaj cov dej khib nyiab. Piv txwv li, kev siv cov cyanide-dawb electroplating tuaj yeem tshem tawm cov cyanide tawm ntawm cov chaw ua haujlwm electroplating. Cov dej khib nyiab uas muaj cov cyanide siab ntau yuav tsum tau kho kom rov qab tau cov peev txheej, thaum cov dej khib nyiab uas muaj cyanide tsawg yuav tsum tau ua kom huv si ua ntej tso tawm. Cov txheej txheem rov qab muaj xws li acidification- aeration, alkaline absorption, thiab chav desorption. Cov kev kho mob xws li alkaline chlorination, electrolytic oxidation, pressurized hydrolysis, biochemical kev kho mob, bio- txheej txheem hlau, ferrous sulfate txoj kev, thiab cua stripping kuj ua hauj lwm. Ntawm cov no, alkaline chlorination yog siv dav tshaj plaws.
Cov yam ntxwv thiab kev kho mob rau Phenol-Cov dej khib nyiab
1. Cov yam ntxwv tseem ceeb
Phenol- muaj cov dej khib nyiab feem ntau yog los ntawm cov chaw lag luam xws li cov nroj tsuag coking, cov nroj tsuag roj, cov nroj tsuag petrochemical, thiab cov khoom siv insulating, nrog rau cov txheej txheem xws li roj av tawg rau kev tsim ethylene, hluavtaws phenol manufacturing, polyamide fiber ntau synthesis, dye ntau lawm, tshuaj tua kab, thiab phenolic resinthesis. Cov dej khib nyiab no muaj cov phenolic tebchaw, uas yog protoplasmic co toxins muaj peev xwm coagulating proteins.
Txoj kev kho mob:
Cov kev kho mob feem ntau muaj xws li lub cev adsorption, tshuaj lom neeg chav dephenolization, hnyav rho tawm, tshuaj oxidation, activated sludge txheej txheem, biofilm kho, thiab lom oxidation.
