Lub tsev kho mob formaldehyde (cov khoom siv tiav) mas yog: kev sib tshuam, kev nqus siab, kev sib tw, kev sib tsoo, lub tshuab ntsuas, thiab qhov zoo li. Txawv sib txawv yuav siv tau thaum uas ua tau cov khoom xyaw formaldehyde. Piv txwv, cov txheej txheem tshuaj ntau yog cov txheej txheem cov roj ntsha roj. Tom qab methanol evaporation, superheating ntawm cov roj tov, pom, thiab hluav taws retardation, methanol yog oxidized thiab absorbed, thiab formaldehyde concentration yuav ncav cuag 37%.
Tsis tas li ntawd, cov nroj tsuag ntawm formaldehyde (txheej ntawm cov khoom siv) kuj siv tau cov txheej txheem qis tsis hloov txoj dej haus cawv los tsim cov formaldehyde. Nyob rau lub sij hawm no, cov tshuaj tiv thaiv kub qis tuaj yeem txo qis dua thaum lub sij hawm qhov tshuaj tiv thaiv kom tsis txhob muaj qhov tshwm sim ntawm kev tshau, thiab cov methanol uas tsis tau hloov lawm tau zoo los ntawm kev sib thooj. Qhov no thiaj li siv cov tshuaj methanol thiab nce cov methanol concentration.
Hauv kev tsim tawm ntawm cov nroj tsuag (formaldehyde) cov nroj tsuag (tiav cov khoom siv), cov txheej txheem cov roj hmab tsiv kuj tuaj yeem raug txais yuav. Thaum twg txoj kev ua hauj lwm no, cov dej hiav txwv tseem ua rau lub cev tsis haum cev thiab ua kom cov tshuaj methanol ntau dua. Ntxiv mus, nws yog ua tau rau suppress tus tsim ntawm cov roj xws li CO2, CO, CH4, thiab HCOOH, li no nce cov qoob loo ntawm formaldehyde cov khoom thiab txo cov nqi tsim.
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