Dab tsi ntawm cov kua nplaum yog biodegradable?
Dab tsi ntawm cov kua nplaum yog biodegradable?

Video: Dab tsi ntawm cov kua nplaum yog biodegradable?

Video: Dab tsi ntawm cov kua nplaum yog biodegradable?
Video: Maiv Xis Xyooj Khaus Pim | Tub Siab Loj Xa Lus Rau Maiv Xis Xyooj 2024, Kaum ib hlis
Anonim

Muaj ob hom dej-soluble polymer hom: polyvinyl cawv (PVOH) thiab ethylene vinyl cawv (EVOH). PVOH tau yooj yim biodegradable thiab dej soluble. Nws yog feem ntau siv nyob rau hauv ntau cov pa nplaum tshuab. Nws feem ntau sib xyaw nrog polyvinyl acetate (PVAc) rau ntoo nplaum.

Dhau li ntawm no, dab tsi kua nplaum yog biodegradable?

Gelatin protein kua nplaum yog biodegradable , recyclable thiab repulpable - lub zoo meej nplaum rau ntsuab ntim.

Kuj Paub, yog kua nplaum ib puag ncig tus phooj ywg? Cov kws tshawb fawb tau tsim ib qho tshiab, environmentally phooj ywg nplaum ua nrog cov khoom siv hluav taws xob txuas ntxiv dua tshiab. Cov kua nplaum , uas hloov cov nplaum tam sim no uas tso tawm cov tshuaj ua rau mob qog noj ntshav rau hauv huab cua, yuav txhim kho cov kab mob. ib puag ncig thiab tib neeg kev noj qab haus huv, nrog rau muab kev lag luam tshiab rau Asmeskas cov neeg ua liaj ua teb soybean.

Ntawm no, puas yog nplaum biodegradable?

Biodegradable nplaum nplaum yog tsim los rhuav tshem cov kab mob thiab lwm yam kab mob nyob. Thaum lub sij hawm no degradation txheej txheem, lawv ua rau zus tau tej cov carbon dioxide, dej thiab lwm yam natural gases nyob ntawm seb ib puag ncig tej yam kev mob.

Cov kua nplaum puas decompose?

Hauv lub xeev qhuav, lub kua nplaum yuav decompose rau polymer thiab nws cov khoom. Cov kev tshawb fawb tau pom tias PVA ntoo yooj yim kua nplaum tau decompose ntawm qhov kub thiab txias li 215 degrees Fahrenheit los tsim kom muaj nuj nqis ntawm acetic acid, carbon monoxide thiab carbon dioxide.

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