Waxaa jira laba nooc oo alaabta ceeriin ah oo loogu talagalay wax soo saarka aluminium firfircoon, mid waa "budada degdega ah" oo ay soo saartay trialumina ama Bayer stone, kan kalena waxaa soo saaray aluminium ama aluminium cusbo ama labadaba isku mar.
X, ρ-alumina iyo wax soo saarka X, ρ-alumina
X, ρ-alumina waa alaabta ceeriin ee ugu weyn ee soo saarista kubbadaha aluminium ee firfircoon, ama FCA gaaban.Shiinaha, waxaa loo yaqaan "budada degdega ah ee sii-deynta" sababtoo ah budada alumina ee ay soo saarto habka fuuqbaxa degdega ah.
X, ρ-alumina waxa la helay 1950 waxana shahaado siisay ASTM 1960. 1970-yadii, x iyo Yurub.Furaha tignoolajiyada X, ρ -alumina waa fuuqbax degdeg ah, badiyaa ku jira reactor-ka sariirta dareeraha leh, halkaasoo heerkulka sariirta lagu xakameynayo gaaska gubanaya ama dareeraha.1975-1980, Machadka Tianjin ee Warshadaha Kiimikada ayaa si guul leh u horumariyay joojinta kuleylinta tikniyoolajiyada wax soo saarka ee xayuubinta leh sifooyinka tignoolajiyada Shiinaha.Waxay adeegsatay reactor koorta, ku dartay aluminium hydroxide engegan oo la jajabiyey, waxayna ka dhigtay isku dhafka X-alumina iyo ρ-alumina iyadoo si toos ah u dubanaysa 0.1 ~ 10s foornada fuuqbaxa degdega ah.
Waqtiga boostada: Abriil-01-2023
