Cov hnab yas degradable xa mus rau kev ua tiav ntawm cov pa roj carbon dioxide, methane, dej, Biodegradable mailing hnab mineralized inorganic ntsev thiab lwm yam khoom tsis zoo nyob rau hauv qee qhov xwm txheej lossis hauv ib puag ncig ntuj.
Raws li hom tshiab ntawm cov khoom siv polymer, Biodegradable mailing hnab degradable hnab yas muaj ntau hom, thiab cov kev qhia tseem nyob rau hauv kev txhim kho tas mus li. Los ntawm kev xav ntawm cov ntaub ntawv raw, Biodegradable mailing hnab biodegradable hnab yas tuaj yeem muab tau los ntawm cov khoom siv petrochemical lossis cov ntaub ntawv biomass.
Los ntawm kev xav ntawm degradation mechanism, Biodegradable mailing hnab degradable hnab yas muaj xws li biodegradation, photodegradation, oxidative degradation, thiab lwm yam.
Los ntawm qhov pom ntawm cov teebmeem degradation, Biodegradable mailing hnab degradable hnab yas yuav muab faib ua" tag nrho" degradation thiab" ib nrab" degradation. Lub luag haujlwm tseem ceeb ntawm cov hnab yas degradable yog los txo qhov tsis tseem ceeb" dawb paug" tshwm sim los ntawm kev siv cov khoom yas uas tsis yog degradable, Biodegradable mailing hnab thiab nws tseem tuaj yeem muab lub sijhawm zoo rau kev txhim kho kom ruaj khov, txhim kho qhov zoo ntawm ib puag ncig, Biodegradable mailing hnab thiab txo qhov chaw. Lub siab ntawm txoj kev loj hlob pab tib neeg txoj kev loj hlob.