Cov Ntsiab Cai ntawm Biochar Production
Biochar ntau lawm zoo li cov yeeb yam qhia txog kev hloov cov ntaub ntawv organic rau hauv charcoal, nrog rau cov txheej txheem tseem ceeb yog pyrolysis. Thaum cov nroj tsuag residues, txiv hmab txiv ntoo peels, thiab lwm yam organic cov ntaub ntawv yog rhuab nyob rau hauv ib tug oxygen - ib puag ncig tsis txaus:
Slow pyrolysis: Yuav tsum tau 5-48 teev, zoo li simmering kua zaub tshaj qis cua sov.
Fast pyrolysis: Siv sijhawm 2-10 feeb xwb, zoo ib yam li do-frying.
Gasification technology: Kwv yees li 1-4 teev, zoo ib yam li ua noj hauv lub tshuab ua kom siab.
Thaum ntsuas kub ntawm 350-700 degree, lignin thiab cellulose maj mam decompose mus rau hauv ib tug ruaj khov, ntxeem tau carbon qauv.
