Lub peev xwm siab thiab tshwj xeeb rov ua dua tshiab ntawm PVC qhia tias cov tsev kho mob yuav tsum pib nrog PVC rau cov khoom siv kho mob rov ua dua tshiab. Yuav luag 30% ntawm cov khoom siv kho mob yas yog ua los ntawm PVC, uas ua rau cov khoom siv no feem ntau siv polymer ua cov hnab, raj, qhov ncauj qhov ntswg thiab lwm yam khoom siv kho mob pov tseg.
Qhov seem sib faib yog muab faib ua 10 txawv polymers. Qhov no yog ib qho ntawm cov kev tshawb pom tseem ceeb ntawm kev tshawb fawb kev lag luam tshiab uas ua los ntawm kev tshawb fawb thoob ntiaj teb kev lag luam thiab kev tswj xyuas lub tuam txhab. Txoj kev tshawb no tseem kwv yees tias PVC yuav tuav nws txoj haujlwm thib ib mus txog thaum tsawg kawg 2027.
PVC yog ib qho yooj yim rau recycle thiab muaj ntau yam kev siv. Cov khoom siv uas yuav tsum muaj qhov muag muag thiab nruj tuaj yeem ua tiav ntawm ib qho polymer-qhov no yog tus yuam sij rau kev ua tiav ntawm cov yas rov ua dua tshiab. Lub peev xwm siab thiab qhov tshwj xeeb rov ua dua tshiab ntawm PVC qhia tias cov tsev kho mob yuav tsum pib nrog cov khoom siv yas no thaum xav txog cov phiaj xwm rov ua dua tshiab rau cov pov tseg yas kho mob.
Cov neeg ua haujlwm cuam tshuam tau tawm tswv yim txog qhov kev tshawb pom tshiab: "Kev sib kis tau hais txog lub luag haujlwm tseem ceeb ntawm cov khoom siv kho mob pov tseg hauv kev tiv thaiv thiab tswj kev mob hauv tsev kho mob. Qhov cuam tshuam tsis zoo ntawm qhov kev vam meej no yog cov khoom pov tseg hauv tsev kho mob ntau zuj zus. Peb ntseeg tias kev rov ua dua tshiab yog ib feem ntawm kev daws teeb meem. Hmoov zoo, cov yas siv ntau tshaj plaws hauv kev kho mob kuj yog cov yas rov ua dua tshiab, yog li peb yaum cov tsev kho mob kom pib siv PVC rau kev ua haujlwm rov ua dua tshiab. "
Txog tam sim no, qhov muaj nyob ntawm CMR (carcinogenic, mutagenic, reproductive toxicity) cov khoom hauv qee yam khoom siv PVC tau ua rau muaj kev cuam tshuam rau kev siv tshuaj kho mob PVC. Nws tau hais tias qhov kev sib tw no tau raug daws tam sim no: "Rau yuav luag txhua daim ntawv thov, lwm cov yas yas rau PVC muaj thiab siv. Plaub ntawm lawv tam sim no tau teev nyob rau hauv European Pharmacopoeia, uas yog cov khoom kho mob hauv Tebchaws Europe thiab lwm thaj chaw. Tsim cov txheej txheem kev nyab xeeb thiab zoo. "
Post lub sij hawm: Sep-22-2021
