Nyob rau xyoo tas los no, qhov kev thov rau cov khoom lag luam uas tsis ua rau ib puag ncig puas tsuaj thiab ruaj khov tau nce siab, thiab kev lag luam phuam da dej tsis tau raug zam. Txawm hais tias cov phuam da dej ib txwm yog ua los ntawm paj rwb, uas xav tau dej ntau, tshuaj tua kab thiab chiv kom loj hlob, cov phuam da dej pov tseg uas tsis ua rau ib puag ncig puas tsuaj muab lwm txoj hauv kev zoo dua.
Cov phuam da dej pov tsegtau tsim los kom muab pov tseg ib zaug thiab mus ib txhis, tsis tas yuav ntxuav thiab ziab, yog li ntawd txo cov dej thiab hluav taws xob siv. Qhov ua rau cov phuam da dej pov tseg tsis zoo rau ib puag ncig sib txawv ntawm cov phuam da dej pov tseg ib txwm muaj yog lawv cov khoom siv uas zoo rau ib puag ncig thiab ruaj khov.
Thaum nws los txog rau cov phuam da dej uas siv pov tseg uas tsis ua rau ib puag ncig puas tsuaj, xyoob yog qhov kev xaiv nrov ntawm cov chaw tsim khoom. Xyoob yog ib qho khoom siv ruaj khov thiab rov ua dua tshiab uas xav tau dej tsawg, tshuaj tua kab mob thiab chiv tsawg heev kom loj hlob. Tsis tas li ntawd, xyoob muaj cov tshuaj tua kab mob ntuj, ua rau nws yog cov khoom siv zoo tshaj plaws rau cov phuam da dej.
Lwm cov khoom siv los ua cov phuam da dej uas tsis ua rau ib puag ncig puas tsuaj yog cov fiber uas ua los ntawm cov nroj tsuag xws li pob kws lossis qab zib. Cov ntaub ntawv no lwj tau, txhais tau tias lawv lwj tau raws li ntuj tsim thiab txo lawv cov kev cuam tshuam rau ib puag ncig.
Ntxiv rau kev siv cov khoom siv uas tsis ua rau ib puag ncig puas tsuaj, cov txheej txheem tsim cov phuam da dej pov tseg kuj tseem ceeb heev rau lawv txoj kev ruaj khov. Ntau lub tuam txhab tsim cov phuam da dej pov tseg uas tsis ua rau ib puag ncig puas tsuaj siv cov txheej txheem tsim khoom uas tsis ua rau ib puag ncig puas tsuaj, xws li cov thev naus laus zis txuag dej thiab hluav taws xob, los txo lawv cov pa roj carbon dioxide.
Ib qho ntawm cov txiaj ntsig tseem ceeb ntawm cov phuam da dej uas siv pov tseg uas tsis ua rau ib puag ncig puas tsuaj yog qhov yooj yim siv. Txawm tias koj mus ncig teb chaws, mus pw hav zoov, lossis tsuas yog nrhiav kev xaiv yooj yim dua rau koj chav dej, cov phuam da dej uas siv pov tseg muab kev daws teeb meem huv si thiab tsis muaj teeb meem. Vim tias lawv yog cov qauv siv pov tseg, tsis tas yuav txhawj txog kev ntxuav thiab ziab, ua rau lawv yog qhov kev xaiv txuag sijhawm rau cov neeg ua haujlwm ntau.
Tsis tas li ntawd xwb, cov phuam da dej uas siv pov tseg tau uas tsis ua rau ib puag ncig puas tsuaj kuj yog ib qho kev xaiv nrov rau cov tuam txhab hauv kev lag luam tsev so thiab kev kho mob. Cov tsev so, chaw kho mob thiab tsev kho mob tuaj yeem tau txais txiaj ntsig los ntawm kev yooj yim thiab kev huv ntawm cov phuam da dej uas siv pov tseg tau thaum tseem qhia txog lawv txoj kev cog lus rau kev ruaj khov thiab kev lav phib xaub rau ib puag ncig.
Nws tsim nyog sau tseg tias txawm hais tias cov phuam da dej uas siv ib zaug xwb uas tsis ua rau ib puag ncig puas tsuaj muaj kev xaiv ruaj khov dua li cov phuam da dej paj rwb ib txwm muaj, lawv kuj muaj qhov tsis zoo. Qhov teeb meem tseem ceeb nrog cov khoom siv ib zaug xwb yog lawv cuam tshuam rau cov khib nyiab thiab cov chaw pov tseg. Txawm li cas los xij, nrog kev nce qib hauv cov khoom siv biodegradable thiab cov thev naus laus zis rov ua dua tshiab, qhov cuam tshuam rau ib puag ncig ntawm cov khoom siv ib zaug xwb tau raug txo kom tsawg.
Zuag qhia tag nrho, tus phooj ywg ib puag ncigCov phuam da dej pov tsegMuab ib txoj kev xaiv uas ruaj khov thiab yooj yim rau cov phuam da dej ib txwm muaj. Los ntawm kev xaiv cov phuam da dej pov tseg uas tsis ua rau ib puag ncig puas tsuaj, cov neeg siv khoom thiab cov lag luam tuaj yeem txo cov dej thiab kev siv hluav taws xob, txo lawv cov pa roj carbon dioxide, thiab txhawb nqa cov khoom siv ruaj khov thiab rov ua dua tshiab. Raws li qhov kev thov rau cov khoom siv uas tsis ua rau ib puag ncig puas tsuaj txuas ntxiv mus, cov phuam da dej pov tseg yog ib kauj ruam mus rau txoj kev zoo rau yav tom ntej uas ruaj khov dua.
Lub sijhawm tshaj tawm: Lub Ob Hlis-26-2024