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1.6 ~ 2.5mm sieve molekụla Zeolite 3a 4a 5a nhazi, kemistri na ojiji

1.6 ~ 2.5mm sieve molekụla Zeolite 3a 4a 5a nhazi, kemistri na ojiji

1.6~2.5mm Zeolite molecular sieve 3a 4a 5a structure, chemistry, and use Featured Image
  • 1.6~2.5mm Zeolite molecular sieve 3a 4a 5a structure, chemistry, and use
  • 1.6~2.5mm Zeolite molecular sieve 3a 4a 5a structure, chemistry, and use

Nkowa dị mkpirikpi:

Ọkpụkpụ molekụla Zeolite bụ ụdị ihe na -enye adsorbent ma ọ bụ ihe nkiri nwere micropores edo edo, nke ihe mejupụtara ya bụ silicon, aluminom, oxygen na ụfọdụ cations ọla ndị ọzọ. Ogo pore ya na nha molekụla izugbe, a na -amịpụtakwa irighiri mmiri dị iche iche dabere na nha pore ya dị mma. Nnọchi irighiri ihe nke Zeolite na -ezo aka na aluminosilicates crystal crystal crystalline nke nwere ọrụ nsị molekụla. Ọkpụkpụ molekụla Zeolite abụrụla isiokwu nweere onwe ya n'ihi nhazi ya na arụmọrụ ya pụrụ iche. Ngwa nke sieve molecule zeolite agbasawo na ụlọ ọrụ petrochemical, nchedo gburugburu ebe obibi, injinia ndu, ụlọ ọrụ nri, ụlọ ọrụ ọgwụ na kemịkalụ na mpaghara ndị ọzọ. Site na mmepe nke ụlọ ọrụ dị iche iche na akụ na ụba mba, atụmanya ngwa nke sieve molecule zeolite abụrụla nke sara mbara.


Nkọwa ngwaahịa

Mkpado ngwaahịa

Adsorption arụmọrụ

Mgbasa ozi nke sieve molecular zeolite bụ usoro mgbanwe anụ ahụ. Isi ihe kpatara mgbasa ozi bụ ụdị "ike dị n'elu" nke ike ndọda molekụla na -eme n'elu ala siri ike. Mgbe mmiri ahụ na -agafe, ụfọdụ ụmụ irighiri ihe dị na mmiri ahụ na -akụkọta na elu nke adsorbent n'ihi mmegharị na -adịghị agbanwe agbanwe, na -ebute mkpokọta molekul n'elu. Belata ọnụ ọgụgụ ụmụ irighiri ihe dị na mmiri ahụ iji nweta ebumnuche nkewa na mwepụ. Ebe ọ bụ na enweghị mgbanwe kemịkal na mgbasa ozi, ọ bụrụhaala na anyị na -agbalị ịchụpụ ụmụ irighiri ihe ndị dị n'elu, sieve molecule zeolite ga -enwekwa ikike mgbasa ozi ọzọ. Usoro a bụ usoro ntụgharị nke adsorption, nke a na -akpọ nyocha ma ọ bụ ịmụba. Ebe ọ bụ na sieve molecule zeolite nwere nha pore dị otu, ọ bụ naanị mgbe dayameta na -agbanwe agbanwe nke molekụla pere mpe karịa sieve molecule zeolite ka ọ nwere ike banye n'ime oghere kristal ngwa ngwa wee nwee mmasị. Ya mere, sieve molecule zeolite dị ka sieve maka gas na molecule mmiri mmiri, a na -ekpebi ma a ga -agbaze ya ma ọ bụ na ọ gaghị adị ka nha molecule ahụ hà. . Ebe ọ bụ na sieve molecule zeolite nwere polarity siri ike na oghere kristal, ọ nwere ike inwe mmetụta siri ike n'elu sieve molecule zeolite ya na ụmụ irighiri ihe nwere pola, ma ọ bụ site n'ịkpalite mgbasa nke ụmụ irighiri ihe ndị a na -eme polarizable iji mepụta mgbasa ozi siri ike. Mpekere polar ma ọ bụ nke na -adịkarị mfe ịgbasa dị mfe iji sieve zeolite molekụla polar, nke na -egosipụta nhọpụta mgbasa ozi ọzọ nke sieve molecule zeolite.

Ion mgbanwe arụmọrụ

N'ikwu okwu n'ozuzu, mgbanwe ion na -ezo aka na mgbanwe mgbanwe cations na -abụghị usoro nke sieve molekul zeolite. Ions ndị na-akwụ ụgwọ na-abụghị usoro nke sieve molecule zeolite bụ protons na alkali metals ma ọ bụ metal alkaline earth, nke a na-agbanwe ngwa ngwa ion n'ime ụdị vale metal dị iche iche nke ụdị zeolite molecule dị na mmiri nwere mmiri nnu. Ions na -adịrị mfe ịkwaga n'okpuru ọnọdụ ụfọdụ, dịka mmiri mmiri ma ọ bụ oke okpomọkụ.

Na ngwọta mmiri, n'ihi nhọrọ dị iche iche nke ion nke zeolite molecule sieve, enwere ike igosipụta ihe mgbanwe mgbanwe ion dị iche iche. Mmeghachi omume mgbanwe hydrothermal ion n'etiti cations metal na sieolite molekụla zeolite bụ usoro mgbasa na -akwụghị ụgwọ. Ọnụ mgbasa na -egbochi ọnụego mmegharị mgbanwe.

Arụ ọrụ catalytic

Mpekere molịdịdị nke zeolite nwere ọmarịcha kristal oge niile, nke ọ bụla nwere oghere pore nke nha na ụdị ụfọdụ, ma nwee nnukwu elu. Ọtụtụ sieve molecule zeolite nwere oghere acid siri ike n'elu, na enwere oghere Coulomb dị na plọ kristal maka njikọta. Njirimara ndị a na -eme ka ọ bụrụ ezigbo ihe mkpali. A na -eme mmeghachi omume mmegharị ahụ dị iche iche na ihe mkpali siri ike, yana mmegharị ahụ metụtara nha pores kristal nke ihe mkpali ahụ. Mgbe a na -eji sieve molecule zeolite dị ka ihe na -akpali ma ọ bụ onye na -ebu ihe, a na -achịkwa ọganihu nke mmeghachi omume catalytic site nha pore nke sieve molecule zeolite. Ogo na ọdịdị nke pristal pores na pores nwere ike rụọ ọrụ dị mkpa na mmeghachi omume mkpali. N'okpuru ọnọdụ mmeghachi omume n'ozuzu, sieves molekụla zeolite na-arụ ọrụ dị mkpa na ntụzịaka mmeghachi omume ma na-egosipụta arụmọrụ catalytic nhọrọ. Arụ ọrụ a na -eme ka sieve molecule zeolite bụrụ ihe mkpali ọhụrụ nwere ike siri ike.

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