Koj puas paub tias txiv maj phaub plhaub carbon muaj qhov porosity ntau dua li lwm hom activated carbon? Nws muaj txog li 50% ntau micropores dua li cov thee bituminous. Vim li no, nws tuaj yeem nqus tau cov kab mob thiab cov kab mob tsis haum xeeb, uas yog vim li cas nws thiaj suav tias yog ib qho ntawm cov khoom siv zoo tshaj plaws rau kev lim dej.
Qhov tseem ceeb, qhov no txhais tau hais tias txiv maj phaub plhaub cov pa roj carbon monoxide yog qhov nyiam cov pa roj carbon monoxide kom tshem tawm cov organic sib txuas (lwm yam hu ua VOCs) los ntawm cov dej haus qhov chaw nkag (los yog hu ua POE systems). Yooj yim, nws kuj tshem tawm cov ntxhiab tsw phem thiab qhov tsis zoo ntawm cov dej haus, uas yog vim li cas txiv maj phaub plhaub carbon feem ntau siv hauv cov lim dej.