Ib puag ncig tus phooj ywg lub hnab yas luv luv rau ntau hom hnab yas biodegradable.Nrog rau kev txhim kho thev naus laus zis, ntau yam khoom siv tuaj yeem hloov cov khoom siv PE tsoos, suav nrog PLA, PHAs, PBA, PBS thiab lwm yam khoom siv polymer.tuaj yeem hloov cov hnab yas PE tsoos.Kev tiv thaiv ib puag ncig cov hnab yas tau siv dav: cov hnab ntim khoom loj hauv khw, yob-rau- yob cov hnab ntim tshiab, thiab mulch films tau siv dav hauv Suav teb.Jilin Xeev tau txais PLA (polylactic acid) es tsis txhob siv cov hnab yas, thiab ua tiav cov txiaj ntsig zoo.Hauv Sanya City, Hainan Province, cov hnab yas uas muaj cov hmoov txhuv nplej siab biodegradable kuj tau nkag mus rau kev siv loj hauv kev lag luam xws li tsev loj thiab tsev so.
Feem ntau hais lus, tsis muaj ib puag ncig tus phooj ywg lub hnab yas.Tsuas yog qee lub hnab yas tuaj yeem yooj yim degraded tom qab ntxiv qee cov khoom xyaw.Ntawd yog, biodegradable yas.Ntxiv ib qho ntawm cov khoom ntxiv (xws li cov hmoov txhuv nplej siab, hloov cov hmoov txhuv nplej siab lossis lwm cov cellulose, photosensitizers, biodegradants, thiab lwm yam) hauv cov txheej txheem ntawm cov khoom ntim yas kom txo tau qhov ruaj khov ntawm cov ntim yas thiab ua kom yooj yim rau degrade nyob rau hauv ib puag ncig ntuj.Muaj 19 units uas tsim lossis tsim cov yas biodegradable hauv Beijing.Kev ntsuam xyuas tau pom tias feem ntau cov plastics degradable pib ua thinner, poob phaus, thiab poob lub zog tom qab raug rau qhov chaw dav dav rau 3 lub hlis, thiab maj mam tawg mus rau hauv daim.Yog tias cov khoom tawg no tau faus rau hauv cov khib nyiab lossis av, cov nyhuv degradation tsis pom tseeb.Muaj plaub qhov tsis zoo ntawm kev siv cov yas degradable: ib qho yog siv cov khoom noj ntau dua;lwm qhov yog tias kev siv cov khoom yas degradable tseem tsis tuaj yeem tshem tawm tag nrho "kev pom muaj kuab paug";qhov thib peb yog vim yog vim li cas, kev siv cov khoom yas degradable tsis tuaj yeem daws qhov cuam tshuam rau ib puag ncig "Puas muaj kev phom sij";Plaub, cov yas degradable yog qhov nyuaj rau rov ua dua vim tias lawv muaj cov khoom siv tshwj xeeb.
Qhov tseeb, qhov zoo tshaj plaws ntawm ib puag ncig yog siv cov hnab yas los yog cov hnab yas ruaj ruaj kom txo tau qhov kev siv.Nyob rau tib lub sijhawm, nws tuaj yeem rov ua dua los ntawm tsoomfwv kom txo cov pa phem ib puag ncig.
Post lub sij hawm: Oct-08-2021