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 活性炭油煙(yan)處理機(ji)吸(xi)附(fu)(fu)(fu)(fu)(fu)(fu)性能(neng)(neng)吸(xi)附(fu)(fu)(fu)(fu)(fu)(fu)容(rong)量 ─對某種氣體(ti)，單位活(huo)性炭所能(neng)(neng)吸(xi)附(fu)(fu)(fu)(fu)(fu)(fu)的(de)(de)最大量稱“吸(xi)附(fu)(fu)(fu)(fu)(fu)(fu)容(rong)量”。不(bu)同(tong)(tong)材料，或吸(xi)附(fu)(fu)(fu)(fu)(fu)(fu)不(bu)同(tong)(tong)氣體(ti)，吸(xi)附(fu)(fu)(fu)(fu)(fu)(fu)容(rong)量不(bu)同(tong)(tong)。滯(zhi)留時(shi)(shi)(shi)(shi)間 ─氣流(liu)穿過(guo)活(huo)性炭層的(de)(de)時(shi)(shi)(shi)(shi)間稱“滯(zhi)留時(shi)(shi)(shi)(shi)間”。滯(zhi)留時(shi)(shi)(shi)(shi)間越(yue)長，吸(xi)附(fu)(fu)(fu)(fu)(fu)(fu)越(yue)充分(fen)。為(wei)保(bao)持足夠的(de)(de)滯(zhi)留時(shi)(shi)(shi)(shi)間，炭層要足夠厚，過(guo)濾(lv)(lv)風速不(bu)能(neng)(neng)太(tai)高(gao)(gao)。使(shi)用(yong)壽(shou)(shou)命(ming) ─新的(de)(de)活(huo)性炭吸(xi)附(fu)(fu)(fu)(fu)(fu)(fu)效率(lv)高(gao)(gao)，使(shi)用(yong)中(zhong)效率(lv)不(bu)斷衰減，當過(guo)濾(lv)(lv)器下游有(you)(you)害物濃度接近(jin)允許(xu)范圍(wei)時(shi)(shi)(shi)(shi)，過(guo)濾(lv)(lv)器報廢。報廢前的(de)(de)使(shi)用(yong)時(shi)(shi)(shi)(shi)間為(wei)使(shi)用(yong)壽(shou)(shou)命(ming)，也稱“穿透時(shi)(shi)(shi)(shi)間”。選擇(ze)性 ─一般說來(lai)，分(fen)子(zi)量大或沸點高(gao)(gao)的(de)(de)氣體(ti)易(yi)吸(xi)附(fu)(fu)(fu)(fu)(fu)(fu)；揮發性有(you)(you)機(ji)氣體(ti)比無(wu)機(ji)小分(fen)子(zi)氣體(ti)易(yi)吸(xi)附(fu)(fu)(fu)(fu)(fu)(fu)；化學(xue)吸(xi)附(fu)(fu)(fu)(fu)(fu)(fu)比物理吸(xi)附(fu)(fu)(fu)(fu)(fu)(fu)選擇(ze)性強。活(huo)性炭經化學(xue)浸漬(zi)后，增加對特定氣體(ti)的(de)(de)吸(xi)附(fu)(fu)(fu)(fu)(fu)(fu)能(neng)(neng)力。