Piv nrog rau carbonization ntawm hydration cov khoom ntawm high alumina cement, sulfation tshwm sim ntawm siab alumina cement tsis tau txais kev txaus siab los ntawm kev tsim kho thiab kev siv units. Ntxiv nrog rau cov pa roj carbon dioxide thiab cov kua qaub, kuj tseem muaj cov pa roj xws li sulfur dioxide thiab hydrogen sulfide hauv cov huab cua. Lawv kuj muaj zog erosive nyhuv ntawm cov khoom hydration ntawm lub matrix ntawm siab alumina cement castables, thaum kawg ua rau hmoov thiab tev ntawm refractory castables.
Cov khoom hydration ntawm siab alumina cement tsis tsuas yog sulfated sulfur dioxide thiab hydrogen sulfide hauv huab cua, tab sis kuj ua rau SO42- lossis H + hauv dej. Nrog rau qhov nce ntawm kev ua si thiab acidity, kev ruaj ntseg ntawm peb cov khoom hydration ntawm siab alumina cement txo qis sharply.
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