有(you)(you)機(ji)(ji)(ji)廢物(wu)(wu)(wu)(wu)(wu)(wu)好氧發酵(jiao)過(guo)(guo)程實(shi)際上就是基(ji)質(zhi)(zhi)(zhi)的(de)(de)(de)微(wei)(wei)(wei)生(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)發酵(jiao)過(guo)(guo)程。微(wei)(wei)(wei)生(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)將有(you)(you)機(ji)(ji)(ji)物(wu)(wu)(wu)(wu)(wu)(wu)轉化(hua)(hua)為二氧化(hua)(hua)碳(tan)、生(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)量(微(wei)(wei)(wei)生(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)細(xi)(xi)胞物(wu)(wu)(wu)(wu)(wu)(wu)質(zhi)(zhi)(zhi))、熱量和腐(fu)殖(zhi)質(zhi)(zhi)(zhi)。發酵(jiao)中使用(yong)的(de)(de)(de)有(you)(you)機(ji)(ji)(ji)物(wu)(wu)(wu)(wu)(wu)(wu)料、填充(chong)劑和調節劑絕大部(bu)分(fen)來自植(zhi)物(wu)(wu)(wu)(wu)(wu)(wu),它(ta)們的(de)(de)(de)主要(yao)(yao)成(cheng)(cheng)(cheng)分(fen)是碳(tan)水(shui)化(hua)(hua)合(he)物(wu)(wu)(wu)(wu)(wu)(wu)(即纖(xian)維素)、蛋(dan)白質(zhi)(zhi)(zhi)、脂類和木質(zhi)(zhi)(zhi)素。微(wei)(wei)(wei)生(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)通(tong)過(guo)(guo)新陳代謝活(huo)動(dong)分(fen)解有(you)(you)機(ji)(ji)(ji)底物(wu)(wu)(wu)(wu)(wu)(wu)來維持(chi)自身的(de)(de)(de)生(sheng)(sheng)命活(huo)動(dong),同時達到分(fen)解復雜(za)的(de)(de)(de)有(you)(you)機(ji)(ji)(ji)物(wu)(wu)(wu)(wu)(wu)(wu)為可(ke)(ke)被(bei)生(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)利用(yong)的(de)(de)(de)小(xiao)分(fen)子物(wu)(wu)(wu)(wu)(wu)(wu)質(zhi)(zhi)(zhi)的(de)(de)(de)目(mu)的(de)(de)(de)。好氧發酵(jiao)過(guo)(guo)程中,有(you)(you)機(ji)(ji)(ji)廢物(wu)(wu)(wu)(wu)(wu)(wu)中的(de)(de)(de)可(ke)(ke)溶(rong)性小(xiao)分(fen)子有(you)(you)機(ji)(ji)(ji)物(wu)(wu)(wu)(wu)(wu)(wu)質(zhi)(zhi)(zhi)透過(guo)(guo)微(wei)(wei)(wei)生(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)的(de)(de)(de)細(xi)(xi)胞壁(bi)和細(xi)(xi)胞膜而被(bei)微(wei)(wei)(wei)生(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)吸收利用(yong)。不溶(rong)性大分(fen)子有(you)(you)機(ji)(ji)(ji)物(wu)(wu)(wu)(wu)(wu)(wu)則先附著在微(wei)(wei)(wei)生(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)體(ti)外,由微(wei)(wei)(wei)生(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)所分(fen)泌的(de)(de)(de)胞外酶分(fen)解為可(ke)(ke)溶(rong)性小(xiao)分(fen)子物(wu)(wu)(wu)(wu)(wu)(wu)質(zhi)(zhi)(zhi),再輸送入細(xi)(xi)胞內被(bei)微(wei)(wei)(wei)生(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)利用(yong)。通(tong)過(guo)(guo)微(wei)(wei)(wei)生(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)的(de)(de)(de)生(sheng)(sheng)命活(huo)動(dong)——合(he)成(cheng)(cheng)(cheng)及(ji)分(fen)解過(guo)(guo)程,把一部(bu)分(fen)被(bei)吸收的(de)(de)(de)有(you)(you)機(ji)(ji)(ji)物(wu)(wu)(wu)(wu)(wu)(wu)氧化(hua)(hua)成(cheng)(cheng)(cheng)簡單(dan)的(de)(de)(de)無機(ji)(ji)(ji)物(wu)(wu)(wu)(wu)(wu)(wu),并提供生(sheng)(sheng)命活(huo)動(dong)所需要(yao)(yao)的(de)(de)(de)能(neng)量,把另一部(bu)分(fen)有(you)(you)機(ji)(ji)(ji)物(wu)(wu)(wu)(wu)(wu)(wu)轉化(hua)(hua)合(he)成(cheng)(cheng)(cheng)新的(de)(de)(de)細(xi)(xi)胞物(wu)(wu)(wu)(wu)(wu)(wu)質(zhi)(zhi)(zhi),使微(wei)(wei)(wei)生(sheng)(sheng)物(wu)(wu)(wu)(wu)(wu)(wu)增殖(zhi)。
CwHxNyOz·hH2O(堆肥(fei))+dH2O(氣)+dH2O(水)+fCO2+gNH3+能量
(2)細胞物質的合(he)成(包括(kuo)有(you)機物質的氧(yang)化,并以NH3為氮源(yuan))n(CxHyOz)+NH3+(nx+ny/4-nz/2-5)O2→C5H7NO2(細(xi)胞(bao)物質)+(nx-5)CO2+1/2(ny-4)H2O+能量