Keeb kwm yav dhau los tseem ceeb: LubPFAS tshwj xeeb rau kev siv rau hauv cov ntawv thov sib cuag zaub mov tshwj xeeb
Txij li xyoo 1960, FDA tau tso cai rau cov PFAS tshwj xeeb rau kev siv rau hauv cov ntawv thov sib cuag zaub mov tshwj xeeb. Qee cov PFAS siv rau hauv cov khoom siv ua noj, kev ntim khoom noj,thiab hauv kev ua zaub mov rau lawv cov khoom tsis lo thiab roj, roj, thiab dej. Txhawm rau kom ntseeg tau tias cov khoom sib cuag nrog zaub mov muaj kev nyab xeeb rau lawv cov kev siv, FDA ua qhov kev tshuaj xyuas kev tshawb fawb ua ntej lawv tau tso cai rau kev ua lag luam.
Cov ntawv/ntawv ntim khoom noj: PFAS yuav siv tau ua cov tshuaj tiv thaiv roj hauv cov ntawv qhwv khoom noj ceev ceev, cov hnab pob kws hauv lub tshuab hluav taws xob, cov thawv ntawv coj mus tsev, thiab cov hnab khoom noj tsiaj kom tiv thaiv cov roj thiab roj ntawm cov khoom noj kom tsis txhob xau los ntawm cov ntawv ntim khoom.
Cov kev xaiv tsis muaj PFAS hauv khwntawm cov khoom noj khoom haus ntim
Thaum tib neeg tsom ntsoov rau kev siv PFAS hauv kev ntim khoom noj ntau dua thiab ntau dua, PFAS yog ib pawg tshuaj lom neeg uas tib neeg tsim uas tau txuas nrog ntau yam teeb meem kev noj qab haus huv. Yog li ntawd, cov neeg siv khoom tau paub ntau ntxiv txog cov khoom siv siv hauv kev ntim khoom noj thiab tab tom nrhiav lwm txoj hauv kev.
Ib qho kev xaiv zoo li no yog bagasse, ib yam khoom siv ntuj tsim uas tau los ntawm cov fibers qab zib. Bagasse yog ib qho kev xaiv zoo rau kev ntim khoom noj vim nws yog 100%biodegradable thiab compostableNtxiv mus, nws muab ib qho kev thaiv zoo heev tiv thaiv cov dej noo, roj, thiab kua, ua rau nws yog ib qho kev xaiv zoo rau ntau hom zaub mov.
Tab sis thaum nws los txog rau cov thawv ntim khoom noj bagasse, lwm qhov kev xav tseem ceeb rau cov neeg siv khoom yog seb lawv puas tsis muaj PFAS. PFAS feem ntau siv rau hauv cov ntim khoom noj kom ua rau cov ntaub ntawv ruaj khov dua thiab tiv taus cov xim av thiab dej. Txawm li cas los xij, raws li tau hais ua ntej, cov tshuaj no tau txuas nrog ntau yam teeb meem kev noj qab haus huv.
Zoo hmoo, muaj cov kev xaiv tsis muaj PFAS hauv kev ua lag luam thaum nws los txog rau kev ntim khoom noj bagasse cov khoom lag luam. Lawv tau ua yam tsis siv cov tshuaj lom neeg thiab tseem muaj peev xwm muab cov khoom zoo thiab kev ua tau zoo ib yam li cov thawv ib txwm muaj.
Yog li ntawd, kev xaiv cov kev xaiv tsis muaj PFAS yog qhov kev xaiv tseem ceeb thaum nws los txog rau cov khoom ntim khoom noj. Bagasse yog ib yam khoom siv los ntawm cov suab thaj qab zib, ua rau nws yog ib qhotus phooj ywg ib puag ncigthiab lwm txoj hauv kev ruaj khov rau cov thawv yas. Tab sis tsis yog txhua yam khoom ntim khoom noj khoom haus yog tsim zoo ib yam.
Dab tsi yog qhov qhov sib txawv ntawm cov khoom ntim khoom noj uas tsis muaj PFAS thiab cov khoom ntim khoom noj uas muaj Bagasse ib txwm muaj?
Piv txwv li, siv lub thawv ntim khoom noj bagasse.
Cov thawv ntim khoom noj uas muaj bagasse ib txwm tseem muaj PFAS, uas txhais tau tias lawv tuaj yeem nkag mus rau hauv cov khoom noj uas lawv muaj. Ntawm qhov tod tes, cov thawv ntim khoom noj uas tsis muaj PFAS tsis muaj cov tshuaj lom neeg no, ua rau lawv yog qhov kev xaiv zoo dua rau ib puag ncig thiab cov neeg siv khoom.
Ntxiv rau cov ntsiab lus ntawm PFAS, muaj lwm qhov sib txawv ntawm cov thawv tsis muaj PFAS thiab cov thawv bagasse ib txwm muaj. Ib qho yog lawv lub peev xwm tiv taus qhov kub sib txawv:
Cov thawv bagasse ib txwm siv tau rau cov khoom noj kub, tab sis cov thawv bagasse uas tsis muaj PFAS siv tau rau cov khoom noj uas tiv taus dej kub (45 ℃ lossis 65 ℃, xaiv tau ob qho).
Lwm qhov txawv yog lawv qib kev ruaj khov. Thaum ob hom thawv yogbiodegradable thiab compostable, Cov thawv ntim khoom uas tsis muaj PFAS feem ntau yog ua los ntawm cov phab ntsa tuab dua, uas tuaj yeem ua rau lawv muaj zog dua thiab tiv taus kev xau thiab kev nchuav.
Feem ntau, yog tias koj tab tom nrhiav ib qho kev xaiv uas zoo rau ib puag ncig thiab muaj kev nyab xeeb rau koj cov kev xav tau ntawm cov thawv ntim khoom noj, ces cov thawv bagasse uas tsis muaj PFAS yog txoj hauv kev zoo tshaj plaws. Lawv tsis yog tsuas yog tiv thaiv cov tshuaj lom neeg xwb, tab sis lawv kuj tseem tuaj yeem tiv taus ntau yam kub thiab txias.
Peb tuaj yeem pab txhawb dab tsi rau cov khoom ntim khoom noj uas tsis muaj PFAS?
Peb cov khoom ntim khoom noj uas tsis muaj Bagasse FAS npog cov thawv ntim khoom noj,cov tais zaub mov, cov tais zaub mov, clamshell thiab lwm yam.
Rau cov xim: dawb thiab xwm ob qho tib si muaj.
Kev hloov mus rau cov kev xaiv uas tsis muaj PFAS tej zaum yuav yog ib kauj ruam me me mus rau lub neej yav tom ntej uas muaj kev noj qab haus huv zoo dua, tab sis nws yog ib qho tseem ceeb. Thaum cov neeg siv khoom paub ntau ntxiv txog qhov txaus ntshai ntawm PFAS, peb yuav pom ntau lub tuam txhab muab cov kev xaiv uas tsis muaj PFAS hauv ntau yam khoom. Lub caij no, kev xaiv lub thawv bagasse uas tsis muaj PFAS yog ib qho kev xaiv zoo rau txhua tus neeg uas tab tom nrhiav kev cuam tshuam zoo rau lawvkev noj qab haus huv thiab ib puag ncig.
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