Nag hmo, tus nqi lag luam methylene chloride hauv tebchaws yeej ruaj khov, thiab lub tuam txhab txoj kev xa khoom tsis zoo. Qee lub tuam txhab cov khoom muag tau nce mus txog qib nruab nrab mus rau qib siab. Vim tias qhov kev thov tsis zoo tam sim no thiab kev teeb tsa siab ntawm cov tuam txhab, cov tuam txhab tsis muaj lub siab xav cia cov khoom muag nce mus rau qib siab, thiab huab cua tsis zoo hauv tus nqi lag luam tau nce ntxiv.

Cov yam tseem ceeb uas cuam tshuam rau kev hloov pauv ntawm tus nqi lag luam tam sim no

Kev Xav Tau: Yog tias tus nqi poob qis, qee tus neeg yuav khoom yuav txaus siab yuav cov khoom, tab sis tus nqi tsis tau poob qis. Kev xav tau yuav nyob nruab nrab hnub no;

Cov Khoom Muag: Cov khoom muag ntawm cov tuam txhab tsim khoom yog nyob rau theem nruab nrab mus rau theem siab, thiab cov khoom muag ntawm cov tub lag luam thiab cov tuam txhab downstream yog nyob rau theem nruab nrab;

Kev Muab Khoom: Ntawm sab lag luam, qhov pib siv khoom siv yog nyob rau sab siab, thiab tag nrho cov khoom muag hauv kev ua lag luam txaus;

Tus nqi: Tus nqi ntawm cov kua chlorine thiab methanol tsis siab, thiab tus nqi txhawb nqa ntawm methylene chloride yog qhov nruab nrab;