Ntau hom kev ua qias tuaj thiab sib xyaw cov dej huv thiab qias neeg hauv electroplated hluav taws xob cua sov raj
Tso lus
Ntau hom kev ua qias tuaj thiab sib xyaw cov dej huv thiab qias neeg hauv electroplated hluav taws xob cua sov raj
Nrog rau qhov tshwm sim ntawm kev kub ntxhov hauv ntiaj teb dej, qhov teeb meem ntawm cov dej muaj kuab paug hauv Suav teb tau dhau los ua qhov tseem ceeb. Vim lub complex dej zoo, muaj zog toxicity, thiab loj paug ntim ntawm electroplating wastewater, nws muaj tiag constrained lub sustainable kev loj hlob ntawm kev lag luam. Kev siv cov tshuaj sib xyaw ua ke flocculation huab cua flotation txoj kev los kho cov dej khib nyiab electroplating yog qhov yooj yim, muaj txiaj ntsig, thiab tau txais kev xav ntau ntxiv vim nws cov peev nyiaj tsawg.
Hauv kev lag luam electroplating, zinc alloy plating suav nyiaj ntau dua 60 feem pua ntawm tag nrho cov dej khib nyiab. Cov txheej txheem tseem ceeb rau kev tso dej pov tseg muaj xws li polishing, siv quav ciab tshem tawm, tshem tawm roj, alkaline ntxuav, ntxuav, tooj liab plating, npib tsib xee plating, chromium plating, zinc plating, alloy plating, precious hlau plating, passivation kev kho mob, electrophoresis, painting, phosphating, dej ntxuav. , thiab lwm yam txheej txheem. Qhov loj tshaj plaws ntawm electroplating wastewater yog cov hlau hnyav uas muaj cov dej khib nyiab. Tsuas yog cov chromium uas muaj cov dej khib nyiab uas tau kho los ntawm ib txoj kev tshwj xeeb uas siv txoj kev txo qis, lwm cov dej khib nyiab electroplating yog sib xyaw rau hauv lub pas dej khib nyiab thiab sib cais thiab kho los ntawm cov tshuaj los nag lossis daus ua ntej tso tawm. Muaj ntau lub tuam txhab muaj teeb meem electroplating dej khib nyiab, uas tuaj yeem ua tiav raws li cov hauv qab no:
⑴ Ntau hom kuab paug thiab sib xyaw ntws tawm ntawm cov dej huv thiab qias neeg
Tam sim no, feem ntau cov nroj tsuag electroplating tsis muaj kev hloov pauv ntawm kev kho dej khib nyiab, tshwj xeeb tshaj yog nyob rau hauv kev tsim cov dej khib nyiab cais ua haujlwm tshiab, kho dua tshiab, thiab nthuav dav. Qhov tsis tsim nyog tso dej pov tseg ua rau muaj kev nyuaj ntawm kev kho hws. Hauv cov dej khib nyiab electroplating, tag nrho cov chromium, tag nrho cov nickel, tag nrho cov hlau lead, thiab hexavalent chromium yog nyob rau hauv Class I pollutants, thaum tooj liab, zinc, thiab lwm yam yog tag nrho cov Class II pollutants. Vim txoj kev tawm ntawm txoj hauv kev thiab tsis ruaj khov ntawm electroplating cov dej khib nyiab los ntawm cov kav dej, feem ntau muaj qhov tshwm sim ntau dhau.
Cov chaw ua haujlwm tsis txaus thiab kev laus qeeb ntawm cov khoom noj khoom haus
Nrog rau kev ntxiv dag zog rau kev tiv thaiv ib puag ncig, cov chaw kho dej phwj uas twb muaj lawm tsis muaj peev xwm txaus, thiab kev nqis peev tsawg. Cov tuam txhab lag luam feem ntau tsis muaj cov nyiaj tshwj xeeb, thiab cov neeg ua haujlwm rau siab yog lub luag haujlwm rau kev tu thiab tu. Qee cov khoom noj khoom haus muaj kev laus hnyav, uas cuam tshuam rau kev kho mob ntawm ntau yam dej phwj uas muaj cov hlau hnyav ions. Qee lub sij hawm cov neeg tsim khoom siv cov dej ntau ntau rau kev ua kom tsis zoo thiab kev tswj tsis zoo, ua rau muaj kuab paug paug thiab lwm yam tshwm sim.
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