Kev Tswj Xyuas Ib Cheeb Tsam thiab Tsim Qauv
Xyoo tsis ntev los no, kev hloov pauv huab cua thiab ntau hom kabmob muaj zog tau tshaj tawm tsis tu ncua, nyiam ntau dua thiab cov lag luam tau npaj tseg ib puag ncig ib qho.
Lub United Nations ib puag ncig kev sib dhos (Unea-5) Pom zoo cov kev daws teeb meem zoo rau 2024 mus rau lub chaw ua qias tuaj ntawm 2024. Hauv kev siv tshuaj tshiab
Ib qho ntxiv, cov koom haum thoob ntiaj teb, xws li hloov cov khoom lag luam ceflex thiab cov neeg siv khoom lag luam muag khoom siv thiab cov qauv siv Goldanced hais tias feem. Ob txoj cai no muaj cov lus qhia zoo sib xws hauv kev tiv thaiv ib puag ncig ntawm ntim khoom siv: 1) tib cov ntaub ntawv thiab tag nrho cov-polyolefin yog nyob rau hauv cov khoom siv siv cov khoom siv; 2) Tsis muaj tsiaj, nylon, pvc thiab degradable cov ntaub ntawv raug tso cai; 3) Teeb Meem Txheej Txheej Txheej Txheej Tsis Tsis Tau Ntau Tshaj 5% ntawm tag nrho.
Kev siv tshuab txhawb nqa ib puag ncig zoo li ib puag ncig zoo ib puag ncig kev sib zog sib xyaw
Hauv kev pom ntawm ib puag ncig kev tiv thaiv cov cai uas tau tshaj tawm hauv tsev thiab txawv teb chaws, yuav ua li cas txhawb nqa ntim yooj ywm ntawm kev ntim khoom siv?
Ua ntej tshaj plaws, ntxiv rau cov ntaub ntawv degradable thiab thev naus laus zis, cov tuam ntxhab txawv teb chaws tau nqis peev hauv kev txhim khoYas Ub Thiab Cov Khoom Siv Bio Raws Cai Thiab Cov KhoomCov. Piv txwv li, Eastman ntawm Tebchaws Asmeskas tau nqis peev hauv Kev Tsim Kho Polyester ntawm Nylon N510, thiab Hnub Suntally Group tau tsim 100% bio-bio foot fwj.
Thib ob, nyob rau hauv teb rau txoj cai hauv tsev ntawm kev txwv ib leeg-siv plastics, ntxiv rauuncadable cov khoom siv PLA, Tuam Tshoj kuj tau nqis peevHauv kev txhim kho ntawm ntau cov khoom siv degradable xws li PBAT, PBS thiab lwm yam ntaub ntawv thiab lawv cov ntawv thov cuam tshuamCov. Cov khoom siv lub cev puas tuaj yeem ua tiav cov ntaub ntawv ua tau raws li ntau txoj haujlwm xav tau ntawm ntim khoom siv tau?
Los ntawm kev sib piv ntawm cov khoom siv lub cev ntawm petrochemical cov yeeb yaj kiab thiab cov yeeb yaj kiab tsis zoo,Cov khoom ntawm cov khoom ntawm cov khoom siv tsis tau yog tseem nyob deb ntawm cov yeeb yaj kiab ib txwm muaj. Tsis tas li ntawd, txawm hais tias ntau cov ntaub ntawv muaj ntau zaus tuaj yeem rov ua cov ntaub ntawv thiab cov txheej txheem ntawm cov khoom siv mos, uas yog 2-3 zaug ntawm tus nqi qub petrochemical zaj duab xis, nyuaj.Yog li, daim ntawv thov ntawm cov khoom siv hluav taws xob hauv cov khoom siv hloov tau tseem yuav tsum tau nqis peev pab los daws cov teeb meem ntawm lub cev thiab tus nqi.
Kev siv lub ntim yooj ywm muaj cov ntaub ntawv sib xyaw ua ke ntau yam kom tau raws li cov khoom lag luam kom tau raws li cov khoom siv tag nrho ntawm lub ntim. Simple classification of various types of films including printing, feature functions and heat sealing, commonly used materials are OPP, PET, ONY, aluminum foil or aluminized, PE and PP heat sealing materials, PVC and PETG heat shrinkable films and the recent popular MDOPE with BOPE.
Txawm li cas los xij, los ntawm qhov kev pom ntawm lub voj kev kev lag luam thiab rov siv dua, kev lag luam ntawm kev lag luam zoo li yog ib qho ntawm cov kev tiv thaiv ib puag ncig ntawm kev ntim khoom siv.
Ua ntej tshaj plaws, ntau cov ntaub ntawv ntim khoom siv tau yog pp tib cov khoom siv, MCPP, cov khoom siv no sib xyaw ua ke tuaj yeem ua tau raws li cov khoom siv ntawm kev lag luam ncig.
Thib ob,Nyob rau hauv cov xwm txheej ntawm kev pab nyiaj txiag, ib puag ncig cov txiaj ntsig ntawm ntim khoom tuaj yeem nqa tau ntawm cov khoom ntim khoom (PP & PP & NLON lossis txhua cov ntaub ntawv polyolaf. Thaum cov ntaub ntawv xyoob xyoob ntoo lossis cov ntaub ntawv ib puag ncig muaj ntau dua, cov ntaub ntawv petrochemical thiab txhuas cov ntaub ntawv hloov kom ua tiav kom tau ib qho kev ua phooj ywg mos muag.
Thaum kawg, los ntawm kev pom kev tiv thaiv ntawm cov kev tiv thaiv ib puag ncig thiab cov khoom siv muaj kev tiv thaiv sib txawv, cov khoom siv ntim khoom sib txawv lossis cov ntawv sau sib txawv, uas tuaj yeem siv rau ntau yam kev siv. Yog li ntawd, nws tau pom zoo tias ntawm kev ua ntej ntawm lub rooj sib tham txog cov kev xav tau ntawm cov khoom ntim khoom, cov khoom siv thiab cov qauv kev tiv thaiv uas muaj txiaj ntsig ntau dua. Thaum lub kaw lus rov ua dua tshiab yog qhov zoo tshaj, rov qab siv dua tshiab thiab rov siv lub ntim yooj ywm yog qhov teeb meem ntawm chav kawm.
Lub Sijhawm Post: Lub Yim Hli 26-2022