Kev lag luam twg siv perchloroethylene?

Cov txheej txheem:

Kev lag luam twg siv perchloroethylene?
Kev lag luam twg siv perchloroethylene?

Video: Kev lag luam twg siv perchloroethylene?

Video: Kev lag luam twg siv perchloroethylene?
Video: Teb chaws plog kev lag luam, Nuj nqi, nyiaj nplog poob nqi 2024, Hlis ntuj nqeg
Anonim

Muaj peev xwm yaj cov ntaub ntawv organic feem ntau, perchlorethylene (PCE) yog siv dav tshaj plaws qhuav ntxuav hnyavhauv Massachusetts thiab hauv tebchaws. Nws lwm qhov kev siv loj yog cov hlau degreaser, tshuaj lom neeg nruab nrab thiab cov khoom siv hauv cov khoom siv, xws li tsheb aerosol qhov chaw ntxuav thiab degreasers.

Perchlorethylene siv rau dab tsi?

Perchloroethylene yog siv rau hauv cov tshuaj aerosol rau lub tsheb tom qab muag, 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).

Cov khoom lag luam twg muaj perchloroethylene?

Cov khoom siv twg tuaj yeem siv tau?

  • Hlau degreasers (rau qhov pib thiab lub tshuab hluav taws xob)
  • Ntawm / stain removers (rau khaub ncaws, ntaub pua plag, lossis rooj tog)
  • Lubricants thiab roj.
  • Hlau thiab pob zeb polishes.
  • Xim thiab txheej nrog rau xim thiab txheej tshem tawm.
  • Mould removers thiab anti-pwm sealants.

Perchlorethylene nyob qhov twg?

Tetrachloroethene muaj nyob hauv cov khoom siv, suav nrog qee cov xim thiab cov tshuaj tshem tawm, tshuaj tua dej, nres thiab tshuaj ntxuav ntoo, kua nplaum, thiab suede tiv thaiv.

Puas yog perchlorethylene tseem siv los ntxuav qhuav?

Perchloroethylene, lub npe hu ua perc, yog lub zog qhuav-tu hnyav heev vim nws dissolves roj thiab grime tsis cuam tshuam rau cov ntaub. Raws li tsoomfwv cov thawj coj, nws yog cov tshuaj siv ntau tshaj plaws ntawm cov ntxhua khaub ncaws qhuav thiab txij li xyoo 2016, tseem siv los ntawm 28,000 tus ntxhua khaub ncaws qhuav hauv Tebchaws Meskas.

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