V. Cov khob ntawv khov nab kuab uas siv tau dua tshiab
Cov ntawv ntoo pulp tuaj yeem rov ua dua tshiab thiab muaj kev puas tsuaj. Qhov no ua rau kev rov ua dua tshiab thiab kev puas tsuaj ntawm cov khoom siv hauv lub cev zoo dua qub.khob dej khov nab kuab.
Tom qab lub sijhawm ntev ntawm kev txhim kho, ib txoj hauv kev ib txwm muaj los rhuav tshem cov khob ntawv khov nab kuab yog raws li nram no. Hauv 2 lub hlis, lignin, Hemicellulose thiab cellulose pib lwj thiab maj mam ua me dua. Txij li 45 txog 90 hnub, lub khob yuav luag tag nrho lwj mus ua cov khoom me me. Tom qab 90 hnub, txhua yam khoom raug oxidized thiab hloov mus ua cov av thiab cov nroj tsuag.
Ua ntej tshaj,Cov ntaub ntawv tseem ceeb rau cov khob ntawv ice cream yog pulp thiab PE zaj duab xis. Ob qho tib si tuaj yeem rov ua dua tshiab. Pulp tuaj yeem rov ua dua tshiab rau hauv ntawv. PE zaj duab xis tuaj yeem ua tiav thiab ua rau lwm yam khoom yas. Kev rov ua dua tshiab thiab siv cov ntaub ntawv no dua tuaj yeem txo cov peev txheej siv, kev siv hluav taws xob, thiab kev ua qias tuaj rau ib puag ncig.
Qhov thib ob,Cov khob ntawv ice cream muaj biodegradability. Pulp nws tus kheej yog ib yam khoom organic uas yooj yim decomposed los ntawm cov kab mob me me. Thiab cov yeeb yaj kiab PE decomposed kuj tuaj yeem decomposed los ntawm cov kab mob me me. Qhov no txhais tau tias cov khob ice cream tuaj yeem decomposed mus rau hauv dej, carbon dioxide, thiab cov organic tom qab ib lub sijhawm. Yog li, nws yeej tsis ua rau muaj kuab paug rau ib puag ncig.
Kev puas tsuaj ntawm cov khoom siv rov ua dua tshiab yog qhov tseem ceeb heev rau kev tiv thaiv ib puag ncig. Nrog rau cov teeb meem ib puag ncig thoob ntiaj teb uas hnyav zuj zus, kev txhim kho kom ruaj khov tau dhau los ua ib qho kev txhawj xeeb rau txhua lub koom haum hauv zej zog.
Hauv kev lag luam ntim khoom noj, cov khoom siv rov ua dua tshiab thiab cov khoom siv lwj tau yog cov kev taw qhia yav tom ntej. Yog li ntawd, kev txhawb nqa cov khoom siv ntim khoom noj uas rov ua dua tshiab thiab cov khoom siv lwj tau yog qhov tseem ceeb heev rau kev txhim kho kev lag luam thiab kev tiv thaiv ib puag ncig.