Dab tsi ib puag ncig uas muaj cov hlau hnyav hnyav hnyav thiab pheej hmoo ntawm cov hlau hnyav hnyav
Cov hlau hnyav hnyav feem ntau yog tshwm sim los ntawm qhov ntev - raug rau ib puag ncig uas muaj cov hlau hnyav ntau dhau, uas nkag mus rau tib neeg lub cev los ntawm kev nqus pa, sib chwv ntawm daim tawv nqaij, lossis kev noj tsis zoo. Cov me me no, feem ntau tsawg dua 10 microns nyob rau hauv txoj kab uas hla, tuaj yeem nkag mus tob rau hauv cov hlab ntsws thiab txawm nkag mus rau hauv cov hlab ntsha, ua rau mob ntev lossis mob hnyav uas ua rau ntau yam kabmob.
Qhov siab tshaj - ib puag ncig muaj kev pheej hmoo rau cov hlau hnyav hnyav yog cov chaw tsim khoom. Smelting nroj tsuag, qhov twg hlau xws li txhuas, cadmium, chromium, thiab mercury raug ua tiav, tso cov hmoov av ntau hlau thaum smelting thiab casting. Electroplating thiab hardware processing rhiav kuj tsim cov khoom tseem ceeb uas muaj npib tsib xee, zinc, thiab txhuas, tshwj xeeb tshaj yog thaum polishing thiab vuam. Ib yam li ntawd, cov chaw tsim khoom roj teeb thiab cov xim pleev xim lossis txheej txheej tsim tawm cov mercury thiab cov hmoov txhuas, uas sib sau hauv huab cua dhau sijhawm.
Kev tsim kho thiab kho dua tshiab yog lwm qhov tseem ceeb ntawm cov hlau hnyav hnyav heev. Kev rhuav tshem cov vaj tsev qub feem ntau cuam tshuam cov hmoov lead- cov xim pleev xim siv hauv cov qauv qub, tso cov hmoov lead- uas muaj cov plua plav thaum cov phab ntsa raug xuab zeb lossis tawg. Vuam thiab txiav cov khoom siv hlau ntawm cov chaw tsim kho tsim cov pa taws uas muaj chromium thiab npib tsib xee, thaum qis- cov khoom siv hauv tsev zoo xws li cov ntoo tsis zoo, cov nplaum, thiab cov coatings tuaj yeem tso tawm cadmium thiab mercury particulates.
Lwm qhov kev pheej hmoo siab - ib puag ncig muaj xws li cov khib nyiab incineration thiab rov ua dua. Cov chaw pov tseg hauv hluav taws xob tso tawm ntau cov mercury, lead, thiab cadmium particulates, vim tias cov khoom siv hluav taws xob pov tseg muaj cov hlau hnyav. Kev qhib hluav taws kub ntawm cov yas thiab cov roj teeb kuj ua rau cov hmoov av muaj kuab lom uas kis mus rau hauv cov huab cua ib puag ncig. Tsis tas li ntawd, thaj chaw ze ntawm cov mines lossis cov av tsis huv-xws li cov hlau ore mining qhov chaw thiab tailings pawg- feem ntau muaj arsenic, lead, thiab chromium particulates ntau dhau vim av yaig thiab hmoov av tawg.
Tsheb thauj mus los -cov nroog ntom ntom tsis muaj kev tiv thaiv ib puag ncig. Lub tsheb tso tsheb thiab cov log tsheb coj tawm cov hmoov txhuas thiab cadmium, tshwj xeeb tshaj yog nyob rau hauv cov cheeb tsam uas muaj tsheb loj. Cov chaw qub qub uas muaj cov kav dej laus thiab cov phab ntsa kuj tseem muaj cov hmoov lead ua hmoov av. Ntev - raug rau cov cheeb tsam no, tshwj xeeb tshaj yog tsis muaj kev tiv thaiv zoo, ua rau muaj kev pheej hmoo ntawm cov hlau hnyav hnyav, uas tuaj yeem ua rau lub paj hlwb, ob lub raum, pob txha, thiab ua pa ua pa.
