Alumina ntụ ntụ na α-ụdị alumina powaer
Ise njirimara nke elu-ọcha alumina ntụ ntụ
1. Nguzogide kemịkalụ;
2. Alumina dị elu dị ọcha, ihe dị n'ime alumina karịrị 99%;
3. High okpomọkụ eguzogide, nkịtị ojiji na 1600 ℃, obere oge 1800 ℃;
4. Na-eguzogide oyi na mberede na okpomọkụ, ọ dịghị mfe ịgbawa;
5. Ọ adopts grouting na nwere elu njupụta.
1. Iji α-ụdị alumina ntụ ntụ
Na lattice kristal nke α-ụdị alumina ntụ ntụ, ion oxygen na-ejupụta na hexagons, na Al3 + na-ekesa nke ọma na ụlọ ọrụ nhazi octahedral nke ion oxygen gbara ya gburugburu.Ike lattice dị nnọọ ukwuu, ya mere ebe mgbaze na ebe na-esi esi dị elu.α-ụdị oxidation Aluminom bụ ihe a na-apụghị ịsacha na mmiri na acid.A na-akpọkwa ya aluminum oxide na ụlọ ọrụ.Ọ bụ ihe bụ isi akụrụngwa maka ime metal aluminum;a na-ejikwa ya mee brik dị iche iche, ihe ndị na-eme ka ọkpụkpụ, tubes na-atụgharị, na ngwá ọrụ ule dị elu;Enwere ike iji ya mee ihe dị ka ihe abrasives na ihe na-egbochi ọkụ.Ndị ọrụ, ihe ndochi, wdg;ụdị alumina dị elu nke dị elu bụ ihe akụrụngwa maka imepụta corundum artificial, rubi artificial na sapphire;a na-ejikwa ya maka imepụta sekit ndị jikọtara ọnụ nke oge a.
Alumina arụ ọrụ nwere ikike nnabata nhọrọ maka gas, uzuoku mmiri na ụfọdụ mmiri mmiri.Mgbe adsorption jupụtachara, enwere ike ịmaliteghachi ya site na ikpo ọkụ na ihe dịka 175-315 Celsius iji wepụ mmiri.Adsorption na mbilite n'ọnwụ nwere ike ime ọtụtụ ugboro.Na mgbakwunye na-eji dị ka a desiccant, ọ nwekwara ike adsorb na uzuoku nke lubricating mmanụ si emeru ikuku oxygen, hydrogen, carbon dioxide, eke gas, wdg nwekwara ike-eji dị ka ihe na-akpali akpali na catalyst ebu na chromatography ebu.