Thaum siv rau cov khoom siv lossis ntaub, perc pab yaj cov roj, roj thiab cov quav ciab yam tsis ua rau cov ntaub. Hauv kev tsim hlau, cov kuab tshuaj uas muaj perchlorethylene huv si thiab degrease cov hlau tshiab pab tiv thaiv impurities los ntawm cov hlau tsis muaj zog.
Vim li cas Perchlorethylene siv hauv kev tu kom qhuav?
Perchloroethylene, lub npe hu ua perc, yog ib qhomuaj zog heev qhuav-tu hnyav vim nws dissolves roj thiab grime yam tsis cuam tshuam rau cov ntaub. Raws li tsoomfwv cov thawj coj, nws yog cov tshuaj siv ntau tshaj plaws ntawm cov tshuab ntxhua khaub ncaws thiab txij li xyoo 2016, tseem siv los ntawm 28,000 tus ntxhua khaub ncaws qhuav hauv Tebchaws Meskas.
Perchlorethylene siv li cas?
Perchloroethylene yog siv rau hauv aerosol formulations rau lub tsheb tom qab kev lag luam, tshwj xeeb tshaj yog rau kev ntxuav nres, nrog rau cov tshuaj tua dej rau cov khaub ncaws, cov chaw tshem tawm thiab cov roj silicone. Nws tuaj yeem siv los ua cov kua dej insulating hauv qee qhov hluav taws xob hloov pauv hloov pauv rau polychlorinated biphenyls (PCBs).
Dab tsi stains tuaj yeem tshem tawm perchlorethylene?
Dibutoxymethane (SolvonK4) yog cov kuab tshuaj bipolar uas tshem tawm dej-raws li stains thiab roj-raws li stains.
Puas Perchlorethylene puas tseem siv los ntxuav qhuav?
Perchloroethylene ("perc") tau ntev tau lees paub tias yogsiv cov tshuaj ntxuav kom qhuav thiab niaj hnub no nws yog nyob deb ntawm kev siv ntau tshaj plaws.cov kuab tshuaj hauv cov khw muag khoom qhuav. Txawm li cas los xij, raws li cov organic hnyav hnyav, perc tuaj yeem ua rau muaj kev phom sij loj rau kev noj qab haus huv yog tias tsis raug tswj kom raug.
