Lub raj mis yastau dhau los ua ib feem tseem ceeb ntawm peb lub neej niaj hnub.Peb siv lawv los khaws cov dej, dej haus, thiab txawm tias cov tshuaj ntxuav tsev.Tab sis koj puas tau pom cov cim me me uas sau rau hauv qab ntawm cov fwj no?Lawv tuav cov ntaub ntawv tseem ceeb txog hom yas siv, cov lus qhia rov ua dua tshiab, thiab ntau ntxiv.Hauv blog no, peb yuav tshawb txog lub ntsiab lus qab cov cim no thiab lawv qhov tseem ceeb hauv kev nkag siab txog cov yas uas peb siv.
Lub raj mis yas tau sau nrog lub cim peb sab hu ua Resin Identification Code (RIC).Cov cim no muaj tus lej los ntawm 1 txog 7, nyob rau hauv cov ntawv caum.Txhua tus lej sawv cev rau ntau hom yas, pab cov neeg siv khoom thiab cov khoom siv rov ua dua tshiab los txheeb xyuas thiab txheeb lawv raws.
Cia peb pib nrog cov cim siv ntau tshaj plaws, tus lej 1. Nws sawv cev rau Polyethylene Terephthalate (PET lossis PETE) - tib yam yas siv hauv cov fwj dej qab zib.PET tau txais dav los ntawm cov kev pabcuam rov ua dua tshiab thiab tuaj yeem rov ua dua tshiab rau hauv lub raj mis tshiab, fiber ntau rau cov tsho, thiab cov ntaub pua plag.
Tsiv mus rau tus lej 2, peb muaj High-Density Polyethylene (HDPE).Cov yas no feem ntau siv rau hauv cov mis nyuj, cov tshuaj ntxuav tais diav, thiab hnab khoom noj.HDPE kuj tseem siv tau thiab hloov mus rau hauv cov ntoo yas, cov kav dej, thiab cov khoom siv rov ua dua tshiab.
Number 3 sawv cev rau Polyvinyl Chloride (PVC).PVC feem ntau yog siv rau hauv cov kav dej kav dej, cling films, thiab blister ntim.Txawm li cas los xij, PVC tsis yooj yim rov ua dua thiab ua rau muaj kev pheej hmoo ib puag ncig thaum tsim khoom thiab pov tseg.
Number 4 sawv cev rau Low-Density Polyethylene (LDPE).LDPE yog siv rau hauv cov hnab ntim khoom noj, hnab yas, thiab cov fwj uas siv tau.Thaum nws tuaj yeem rov ua dua rau qee qhov, tsis yog txhua qhov kev siv rov ua dua tau txais nws.Reusable hnab thiab yas zaj duab xis yog tsim los ntawm recycled LDPE.
Polypropylene (PP) yog cov yas cim los ntawm tus lej 5. PP feem ntau pom muaj nyob rau hauv cov thawv yogurt, lub raj mis, thiab cov khoom siv pov tseg.Nws muaj lub siab melting point, ua rau nws zoo tagnrho rau microwave-zoo ntim.PP yog recyclable thiab tig mus rau hauv cov teeb liab teeb, cov thawv ntim khoom, thiab cov roj teeb.
Number 6 yog rau Polystyrene (PS), tseem hu ua Styrofoam.PS yog siv rau hauv cov thawv ntim khoom, cov khob pov tseg, thiab cov khoom ntim khoom.Hmoov tsis zoo, nws yog qhov nyuaj rau kev rov ua dua tshiab thiab tsis tau txais los ntawm ntau qhov kev siv rov ua dua tshiab vim nws cov nqi lag luam qis.
Thaum kawg, tus lej 7 suav nrog tag nrho lwm cov khoom siv yas lossis cov khoom sib tov.Nws suav nrog cov khoom lag luam xws li polycarbonate (PC) siv hauv cov fwj dej rov siv tau, thiab cov yas biodegradable ua los ntawm cov khoom siv cog, thiab cov khoom siv Tritan los ntawm Eastman, thiab Ecozen los ntawm SK chemical.Txawm hais tias qee tus lej 7 plastics tuaj yeem rov ua dua tshiab, lwm tus tsis yog, thiab kev pov tseg kom zoo yog qhov tseem ceeb.
Kev nkag siab txog cov cim no thiab lawv cov khoom siv sib xws tuaj yeem pab txo cov khoom pov tseg thiab txhawb nqa cov kev coj ua kom zoo.Los ntawm kev txheeb xyuas cov hom yas uas peb siv, peb tuaj yeem txiav txim siab txog kev rov siv dua, rov ua dua, lossis pov tseg ntawm lawv lub luag haujlwm.
Lwm zaus koj tuav lub raj mis yas, siv sijhawm ib pliag los xyuas cov cim hauv qab thiab xav txog nws qhov cuam tshuam.Nco ntsoov, kev ua me me xws li kev rov ua dua tshiab tuaj yeem ua qhov sib txawv tseem ceeb hauv kev tiv thaiv peb ib puag ncig.Ua ke, cia peb sib zog ua kom muaj kev thaj yeeb nyab xeeb thiab ruaj khov rau yav tom ntej.
Post lub sij hawm: Aug-29-2023