Ugbu a, ojiji mbụ nke pseudo-boehmite bụ ihe eji emepụta alumina na ihe na-eme ka ihe na-akpali akpali sie ike ma ọ bụ ihe na-eme ka ihe na-akpali akpali. Alumina nke a na-eme site n'ịcha pseudo-boehmite nwere oke elu dị elu ma a na-ejikarị ya eme ihe dị ka ihe na-akpali akpali na ihe na-akpali akpali na ụlọ ọrụ petrochemical.
1. eji ya maka ihe ndị e ji alumina nanometer mee
Otu n'ime ojiji dị mkpa nke pseudo-boehmite bụ ihe e ji arụ ọrụ nke aluminum oxide. Dabere na njirimara nke nnukwu ebe elu, ọrụ dị elu na ike nnabata siri ike nke ihe ndị e ji arụ ọrụ, ejirila ya mepụta seramiiki nhazi dị elu dị ka seramiiki aluminum nitride. Na mgbakwunye, nano-Al2O3 dabara adaba karịsịa maka polishing mechanical chemical (CMP), site na nano-Al2O3 dịka enwere ike iji ihe ndị e ji egweri ihe site na CMP slurry mee na oyi akwa etiti nke usoro mmepụta IC dị ka ihe waya semiconductor na ihe nkiri dịka tungsten, aluminom, ọla kọpa flattening, na iko anya dị elu, kristal quartz na ọtụtụ ihe ịchọ mma dị iche iche.
E nwere ike iji Al2O3 mee ihe maka ihe ndị na-eme ka ihe dị n'ime kemịkalụ dị nro.
2.Maka ihe mkpali hydrogenation
Iji mezuo ihe achọrọ maka ojiji akụrụngwa mmanụ ala na mmanụ dị ọcha, ejirila teknụzụ hydrogenated mee ihe nke ukwuu, hydrogenation catalyst bụ isi ihe dị na teknụzụ hydrogenation, nke a na-eji maka hydrogenation catalyst gamma alumina carrier na-abụkarị nke quasi thin diaspore site na ịsa mmiri mmiri, nwere mpaghara elu kpọmkwem, ọnụ ụzọ na nkesa oghere a na-agbanwe agbanwe, elu dị iche iche acidic center. Ike igwe na nkwụsi ike okpomọkụ ka mma, yana njirimara dị ala - ọnụ ala.
Ihe na-akpali eserese dị mkpa maka mmepụta ngwaahịa mmanụ ala
N'ime ụlọ ọrụ mmepụta mmanụ ọgbara ọhụrụ na kemịkalụ, ihe karịrị 90% nke usoro mmeghachi omume kemịkalụ na-abịa site na usoro catalytic, yabụ catalytic aghọwo isi ihe na-eme ka e nweta nhazi ọhụrụ na usoro kemịkalụ, mmepe ngwaahịa ọhụrụ. N'ụlọ ọrụ mmepụta mmanụ, a na-ejikarị ihe mkpali siri ike eme ihe, nke mejupụtara ihe na-ebu ibu na ihe na-arụ ọrụ. Onye na-ebu ibu bụ akụkụ pụrụ iche nke ihe mkpali siri ike, nke nwere ike ịbawanye mpaghara elu kpọmkwem, melite iguzogide okpomọkụ na ike igwe. Ihe mkpali ahụ NA-eji ọtụtụ ụdị ihe ebu ibu, dị ka: alumina, sieve molecular, silica gel, silica gel, carbon activated na diatomaceous earth. Agbanyeghị, ọnụọgụ nke ihe ebu alumina na-aza ihe karịrị ọkara nke mkpokọta ihe ebu ibu catalytic. Ihe mkpali catalytic cracking (FCC) bụ isi nke usoro mgbawa catalytic. Dịka mmanụ dị arọ na nke dị ala n'ụwa, na ihe eji agwakọta catalytic cracking raw material, mmanụ fọdụrụ aghọọla ụzọ a na-ejikarị eme ihe, yabụ ọ dị mkpa ka ihe mkpali catalytic catalytic cracking (FCC) dị arọ nke nnukwu oghere, nnukwu oghere dị n'etiti kwesịrị inwe njupụta acid kwesịrị ekwesị, iji melite ikike mgbawa nke ihe ndị dị na macromolecular n'ime ihe ndị e ji emepụta ihe. A na-ejikarị alumina na-arụ ọrụ eme ihe iji melite matrix catalyst. Nnukwu oghere ahụ na-enyere aka ịgbasa ihe ndị dị na macromolecular n'ime ihe ndị na-emepụta ihe, ebe oke elu dị elu na-enyere aka ịgbasa ihe ndị dị na metal na-arụ ọrụ, iji melite arụmọrụ mmeghachi omume nke ihe na-emepụta ihe.
3. Ejiri ya mee ihe dịka ihe nrapado
Ihe na-ebu diaspore dị gịrịgịrị nke Quasi nke e ji mee ihe dị ka ihe na-ejikọ abụghị naanị uru maka ịkpụzi ihe, ọ ga-emetụtakwa arụmọrụ nke ihe na-akpali akpali. Ndị nchọpụta na flue gas denitration selective catalytic reduction Ce – Mn/TiO2 catalyst n'usoro nke ijikọ diaspore dị gịrịgịrị dị ka ihe na-ejikọ, chọpụtara na ọ bụghị naanị na ọ na-eme ka ike igwe nke ihe na-akpali akpali dịkwuo mma, kamakwa ọ na-eme ka ihe na-akpali akpali nke denitration surfactant dịkwuo mma.
4. rụzie mkpuchi -Al2O3
Ọrụ nke mkpuchi oyi akwa n'elu ihe mkpuchi elu nke ihe na-ebu ibu bụ ịbawanye mpaghara elu nke usoro a na-ejikarị eme ihe, gamma alumina bụ otu n'ime ihe mkpuchi a na-ejikarị eme ihe, nwere oke elu pụrụ iche, na-enyere aka na akụkụ na-arụ ọrụ na nkesa dị irè na usoro nke impregnation, nkwadebe nke mkpuchi gamma alumina a na-ejikarị eme ihe maka AlOOH precursor sol, alumina sol dị mkpa dị ka ihe eji emepụta ihe, nkwadebe, site na iji usoro nke usoro peptization acid dị mfe ijikwa, enwere ike iji ya maka mmepụta ụlọ ọrụ mmepụta ihe.
Oge ozi: Eprel-22-2020