Akụkọ
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Ngwa nke sieve molecular ZSM dị ka ihe na-akpata isomerization
ZSM molecular sieve bụ ụdị silicaluminate kristal nwere nha na ọdịdị pụrụ iche, nke ejirila ọtụtụ mmeghachi omume kemịkalụ dị iche iche n'ihi arụmọrụ catalytic ya dị mma. N'ime ha, ngwa nke ZSM molecular sieve na ubi nke isomerization catalyst nwere attra ...GỤKWUO -
Elu acidity nke ZSM molecular sieve
N'elu acidity nke ZSM molecular sieve bụ otu n'ime ihe ndị dị mkpa ya dị ka ihe na-akpali akpali. Nke a acidity si na aluminom atọm na molekụla sieve skeleton, nke nwere ike inye protons na-etolite a protonated elu. Elu protonated a nwere ike isonye na mmeghachi omume kemịkal dị iche iche ...GỤKWUO -
Mmetụta nke Si-Al ratio na ZSM molecular sieve
Si / Al ratio (Si / Al ratio) bụ ihe dị mkpa nke ZSM molecular sieve, nke na-egosipụta ọdịnaya nke Si na Al na molecular sieve. Nke a ruru nwere mmetụta dị mkpa na ọrụ na selectivity nke ZSM molecular sieve. Nke mbụ, Si / Al ratio nwere ike imetụta acidity nke ZSM m ...GỤKWUO -
ZSM molekụla sieve
ZSM molecular sieve bụ ụdị ihe na-akpali akpali nwere usoro pụrụ iche, nke na-egosi arụmọrụ dị mma n'ọtụtụ mmeghachi omume kemịkal n'ihi ọrụ acidic ya dị mma. Ndị na-esonụ bụ ụfọdụ ihe mkpali na mmeghachi omume nke ZSM molecular sieves nwere ike iji: 1. Isomerization mmeghachi omume: ZSM molecular si ...GỤKWUO -
Nyocha banyere oke nke ngwa nke silica gel desiccant
Na mmepụta na ndụ, silica gel nwere ike iji kpoo N2, ikuku, hydrogen, gas gas [1] na ihe ndị ọzọ. Dị ka acid na alkali si kwuo, enwere ike kewaa desiccant n'ime: acid desiccant, alkaline desiccant na nnọpụiche desiccant [2]. Silica gel na-egosi na ọ bụ nkụ na-anọpụ iche nke yiri ka ọ kpọrọ nkụ NH3, HCl, SO2, ...GỤKWUO -
Kedu ka esi emepụta silica gel?
Silica gel bụ ụdị ihe mgbasa ozi na-arụsi ọrụ ike. Ọ bụ ihe amorphous na usoro kemịkal ya bụ mSiO2.nH2O. Ọ na-ezute ọkọlọtọ kemịkalụ China HG/T2765-2005. Ọ bụ ihe eji eme ihe nke FDA kwadoro nke nwere ike na-akpakọrịta na nri na ọgwụ. Silica gel nwere ...GỤKWUO -
Ọka mmụta sayensị Grace Yuying Shu chọpụtara na-eme ka arụmọrụ FCC na-eme ka ọ dịkwuo mma na enyi gburugburu ebe obibi.
COLOMBIA, MD, Nọvemba 16, 2020 (GLOBE NEWSWIRE) - WR Grace & Co. (NYSE: GRA) kwuputara taa na Chief Scientist Yuying Shu bụ onye enwetara na nchoputa nke onye nnọchi anya Grace Stable nwere ikike ugbu a, na-emeri nke ọma. (GSI) maka Rare Earth Tec...GỤKWUO -
onye na-ebu ihe na zeolite
Anyị na-eji kuki iji kwalite ahụmịhe gị. Site n'ịga n'ihu na-achọgharị saịtị a, ị kwenyere na ojiji anyị ji kuki. Ozi ndị ọzọ. Edemede a na-elekwasị anya na njirimara acidity dị elu nke ihe na-akwado oxide na nkwado (γ-Al2O3, CeO2, ZrO2, Si...GỤKWUO
