Thaum pib ntawm kev txwv tsis pub siv yas, yuav tsum muaj ntau tus menyuam xav paub tias cov yas uas lwj tau yog dab tsi. Qhov txawv ntawm cov yas uas lwj tau thiab cov yas uas tsis lwj yog dab tsi? Vim li cas peb thiaj siv cov yas uas lwj taucov khoom yasCov txiaj ntsig ntawm cov yas uas lwj tau yog dab tsi? Cia peb saib cov ntsiab lus.

Cov yas uas lwj tau yog hais txog ib hom yas uas nws cov khoom siv tau raws li qhov yuav tsum tau siv thiab tseem tsis hloov pauv thaum lub sijhawm khaws cia, tab sis tom qab siv tas, nws tuaj yeem lwj mus ua cov khoom uas tsis muaj teeb meem rau ib puag ncig. Yog li ntawd, nws yog cov yas uas lwj tau ib puag ncig.

Tam sim no, muaj ntau hom yas tshiab: cov yas uas lwj tau, cov yas uas lwj tau, lub teeb, cov yas uas lwj tau / lwj tau, cov yas uas lwj tau raws li cov pa roj carbon dioxide, cov yas uas lwj tau uas yog thermoplastic starch resin. Cov hnab yas uas lwj tau (uas yog, cov hnab yas uas zoo rau ib puag ncig) yog ua los ntawm cov khoom siv polymer xws liPLA,PHAs, PA, PBS. Lub hnab yas uas tsis lwj ib txwm muaj yog ua los ntawm PE yas.

Cov txiaj ntsig ntawm cov yas uas lwj tau:
Piv rau cov yas "khib nyiab dawb" uas tuaj yeem ploj mus rau ntau pua xyoo, nyob rau hauv cov xwm txheej composting, cov khoom biodegradable tag nrho tuaj yeem decomposed los ntawm ntau dua 90% ntawm cov kab mob me me hauv 30 hnub thiab nkag mus rau hauv xwm hauv daim ntawv ntawm carbon dioxide thiab dej. Nyob rau hauv cov xwm txheej tsis composting, qhov tsis kho ntawm cov khoom biodegradable tag nrho ntawm lub chaw kho khib nyiab yuav maj mam decomposed hauv 2 xyoos.
Cov hnab yas uas lwj tau feem ntau tuaj yeem lwj tau hauv ib xyoos, thaum kev tiv thaiv ib puag ncig Olympiccov raj yastxawm tias yuav pib lwj tau 72 hnub tom qab muab pov tseg. Cov hnab yas uas tsis lwj tau yuav siv sijhawm 200 xyoo los lwj.

Muaj ob txoj kev siv tseem ceeb ntawm cov yas uas lwj tau:

Ib qho yog thaj chaw uas cov yas ib txwm siv thawj zaug. Hauv cov cheeb tsam no, qhov nyuaj ntawm kev sau cov khoom yas tom qab siv lossis noj tuaj yeem ua rau muaj kev puas tsuaj rau ib puag ncig, xws li cov yas ua liaj ua teb thiab cov yas ntim khoom pov tseg.
Qhov thib ob yog thaj chaw hloov lwm yam khoom siv nrog cov yas. Kev siv cov yas uas lwj tau hauv cov cheeb tsam no tuaj yeem ua rau muaj kev yooj yim, xws li cov ntsia hlau pob rau cov chaw ua si golf thiab cov khoom siv kho cov noob rau kev cog ntoo hauv hav zoov sov.

Nrog rau cov khw muag khoom loj, cov khw noj mov sab nraud, cov khw noj mov thiab lwm qhov chaw tau teb rau cov kev txwv yas, nquag txhawb kev siv cov khoom yas biodegradable, qhov sib txawv ntawm cov yas degradable thiab cov yas tsis degradable thiab qhov zoo ntawm cov yas degradable kuj muab rau txhua tus.
Tam sim no, ntau yam khoom siv hloov cov khoom yas tseem tab tom tshawb nrhiav.