Boehmite:
Boehmite, tseem hu ua boehmite monohydrate, yog ib qho tseem ceeb precursor rau activated alumina. Nws yog ib qho kev txiav txim siab heev thiab crystalline activated alumina precursor.
Vim nws cov thermal stability zoo heev, boehmite yog qhov kev xaiv zoo tshaj plaws rau siab -kev ua haujlwm kub- tiv taus thiab nplaim taws- cov ntaub ntawv retardant, thiab yog siv dav hauv halogen-dawb tooj liab- clad laminates, siab -cov ntaub ntawv insulating, thiab tshav kub-resistant engineering plastics. Tsis tas li ntawd, nws tsis yog tsuas yog cov khoom siv tseem ceeb rau cov khoom siv hluav taws xob hluav taws xob nkaus xwb tab sis kuj tseem yog cov khoom siv tseem ceeb rau kev npaj lithium- ion roj teeb cais txheej, sodium- cov roj teeb sulfur electrolytes (-Al₂O₃), thiab ntau yam tshwj xeeb aluminas. Tshwj xeeb, qis-sodium ultrafine alumina npaj los ntawm qis-sodium ultrafine boehmite muaj siab purity, zoo rwb thaiv tsev, thiab zoo heev sintering kev ua, thiab tau ua tiav nyob rau hauv high{14}}lithium kawg- ion roj teeb cais, precision / microcrystalline ceramics, chips, thiab aerospace light source devices.
Pseudoboehmite:
Pseudoboehmite yog ib qho tsis tiav crystalline boehmite nrog cov tshuaj zoo sib xws rau lwm cov ntaub ntawv boehmite. Nws yog ib hom tsis tiav crystalline hydrated alumina, tseem hu ua monohydrate alumina lossis pseudo-monohydrate boehmite.
Tus qauv qauv ntawmpseudoboehmiteyog ib txheej nyias nyias, wrinkled lamellar txheej. Nws yog ib qho alumina hydrate nrog cov qauv spatial network tshwj xeeb, muaj qhov tshwj xeeb ntawm thaj chaw, qhov pore loj, thiab lwm yam khoom siv lub cev, nrog rau cov tshuaj thixotropic hauv cov kua qaub. Cov khoom no ua rau pseudoboehmite dav siv hauv ntau qhov kev lag luam. Hauv kev lag luam roj av, nws yog siv los ua catalyst, carrier, thiab binder; hauv kev lag luam automotive, nws yog siv los ua cov txheej txheem thauj khoom rau cov tsheb thauj khoom catalysts; nyob rau hauv kev lag luam kev tiv thaiv ib puag ncig, nws yog siv los ua cov pa purification adsorbent, haus dej defluorinator, thiab cov dej khib nyiab muaj xim thiab tsw ntxhiab; thiab nyob rau hauv kev tsim kho kev lag luam, nws yog siv raws li ib tug txheej additive, thiab lwm yam.
Hauv cov ntsiab lus, covsib txawvnruab nrab ntawm ob yog raws li nram no:
(1) Pseudoboehmiteyog amorphous aggregate; boehmite muaj cov qauv siv lead ua zoo dua.
(2) Muab piv rau boehmite, pseudoboehmite muaj qhov tshwj xeeb ntawm thaj chaw ntau dua thiab lub qhov pore loj dua. Qhov tshwj xeeb ntawm thaj chaw ntawm pseudoboehmite maj mam txo nrog qhov kub thiab txias, thaum thaj chaw tshwj xeeb ntawm boehmite thawj zaug nce thiab tom qab ntawd txo nrog qhov kub thiab txias.
Tsis tas li ntawd, muaj kev hloov pauv kev sib raug zoo ntawm ob: nyob rau hauv qhov tsim nyog kub thiab siab (xws li hydrothermal tej yam kev mob), pseudoboehmite yuav maj mam muaj hnub nyoog thiab crystallize, hloov mus rau hauv boehmite. Yog li ntawd, nyob rau hauv industrial ntau lawm, pseudoboehmite los yog boehmite cov khoom uas muaj tej yam khoom yog feem ntau synthesized los ntawm kev tswj cov tshuaj tiv thaiv tej yam kev mob (pH, kub, lub sij hawm, txhuas qhov chaw).
Yog tias koj muaj lus nug lossis xav tau txog boehmite lossispseudoboehmite, thov koj xav tiv tauj Zibo Xiangrun Environmental Engineering Co., Ltd. - alumina chaw tsim tshuaj paus.
