Kev Kho Tshuab ntawm Complex Wastewater los ntawm Electroplating Flexible Printed Circuit Board ntawm Hluav Taws Xob Hluav Taws Xob Tube
Tso lus
Kev Kho Tshuab ntawm Complex Wastewater los ntawm Electroplating Flexible Printed Circuit Board ntawm Hluav Taws Xob Hluav Taws Xob Tube
Thaum lub sij hawm tsim cov txheej txheem ntawm cov ntawv luam tawm yooj yim (PCBs), ntau cov dej khib nyiab uas muaj tooj liab, palladium, txhuas, tin, thiab fluorine yog tsim. Yog tias cov txheej txheem nag lossis daus yog siv ncaj qha rau kev kho mob, cov dej tsis zoo ntawm cov effluent yog qhov nyuaj kom ua tau raws li tus qauv thiab ua rau muaj kuab paug rau ib puag ncig. Tshwj xeeb yog tooj liab muaj kuab paug tuaj yeem ua rau ecosystem tsis txaus, ua rau muaj kev hem thawj rau ecosystem stability thiab tib neeg kev ruaj ntseg [1,2].
Hom dej khib nyiab no muaj ntau yam kev ua haujlwm nyuaj, ua rau nws nyuaj rau kev kho. Cov kws tshawb fawb hauv tsev thiab txawv teb chaws tau tshawb fawb ntau txog nws txoj kev kho mob. Muaj ntau txoj kev tshawb fawb xws li electrolysis, adsorption, coagulation, thiab ion exchange. Txoj kev siv feem ntau yog chelate resin ion pauv. Txoj kev no tsim nyog rau kev kho cov dej khib nyiab nrog cov ntsiab lus tooj liab siab, thiab tuaj yeem rov qab tau tooj liab thiab rov siv qee cov dej kho. Txawm li cas los xij, nws muaj qhov tsis zoo ntawm kev nqis peev siab, kev tswj xyuas nyuaj, thiab tsis ruaj khov ntawm cov tooj liab nyob hauv cov effluent. Kev kho cov tooj liab tsis tshua muaj hlau thiab cov hlau hnyav hnyav ua rau cov dej khib nyiab tseem nyob rau theem kev tshawb fawb, ntawm cov txheej txheem oxidation coagulation, txo coagulation txoj kev, thiab coagulation co nag lossis daus txoj kev kho tooj liab cov dej khib nyiab uas muaj cov tshuaj complexing tau nyiam tib neeg txoj kev xav. Txawm li cas los xij, rau cov dej khib nyiab tooj liab thiab cov hlau hnyav uas muaj ntau yam tshuaj sib xyaw ua ke, tam sim no tsis muaj kev tshaj tawm txog kev kho mob hauv Suav teb, thiab tsuas yog Tebchaws Meskas siv cov hlau hnyav hnyav trimethyltriazine trisodium ntsev (TMT) los kho cov dej khib nyiab sib xyaw no, cov nyhuv yog zoo tagnrho, tab sis lub precipitator yog kim thiab nyuaj rau yuav domestically. Tus sau tau txais kev txo qis coagulation co nag los kho cov dej khib nyiab uas muaj tooj liab, palladium, lead, tin, thiab fluorine coexisting nrog ntau yam complexing agents. Cov tooj liab yog siv los ua lub hom phiaj tswj kom ua tiav cov txiaj ntsig kev kho mob zoo, muab cov txheej txheem kev lag luam thiab kev kho zoo rau hom dej khib nyiab no.
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