Tuam Tshoj HFCs (HFC tub yees R410a, HFC tub yees R134a, HFC tub yees R404A, HFC tub yees r407c rau cua txias thiab tub yees) kev lag luam kev lag luam muaj kev lag luam thoob ntiaj teb.
Hauv xyoo 2016, cov khoom xa tawm ncaj qha ntawm HFC nyob hauv Suav tau li 250,000 tons. Nyob rau tib lub sijhawm, kev xa tawm ntawm kev xa cov tub yees pauv mus rau cov neeg siv khoom lag luam xws li cua txias, tub yees, tub yees thiab tsheb thiab xa tawm mus rau txawv teb chaws tau txog 25,000 tons; Tus nqi yog kwv yees li 172,000 tons. Tag nrho cov khoom ntim ntawm kev xa tawm ncaj qha thiab kev xa khoom ncaj qha mus txog 275,000 tons, uas suav rau 61% ntawm tag nrho cov txiaj ntsig ntawm HFCs hauv Suav.
Los ntawm cov qauv hauv kev xa tawm cov teb chaws ntawm HFCs cov khoom lag luam hauv xyoo 2016, qhov kev faib ua feem ntawm cov khoom lag luam xa mus rau North America, European Union, Nyiv, Is Nrias teb thiab Middle East thiab tas ntiaj teb yog 26%, 18%, 7%, 9% thiab 40% feem. Qhov kev faib ua feem ntawm cov khoom lag luam xa khoom yog tus sib npaug, thiab cov qauv ntawm kev xa tawm txawv teb chaws yog ntau yam. Ntawm lawv, North American lub teb chaws yog lub ntsiab export cov chaw ntawm Tuam Tshoj tus HFCs.
