-SiShayina

  • Isihlungo se-molecular

Isihlungo se-molecular

  • Ukufanisa
  • Ama-molecule wezinto ezahlukene ahlukaniswa ngokubaluleka nosayizi we-adsorption, ngakho-ke isithombe sibizwa ngokuthi "isihlungo se-moleculalalalar".
  • Isihlungo se-molecular (esaziwa nangokuthi i-zoolite sokwenziwa) iyi-microporous crystal ebumba. Kuyisisekelo sesakhiwo esiyisisekelo esihlanganiswe nge-silicon alimainate, ngezizwe zensimbi (ezifana ne-NA +, K +, CA2 +, njll.) Ukulinganisa inkokhiso engeqile kwikristalu. Uhlobo lwesihlungo se-molecular luhlukaniswe ngokukhethekile luhlobo luhlobo, uhlobo lwe-X nohlobo ngokuya ngesakhiwo sekristalu.
 

Ifomula yamakhemikhali lamaseli we-zeolite

I-MX / N [Alo.2) x (sio.2) y] wh.2O.

Mx / n.

I-Cation Ion, Ukugcina I-Crystal kagesi engathathi hlangothi

(Alo2) x (sio2) y

Amathambo amakristalu e-zeolite, anezimo ezahlukahlukene zezimbobo neziteshi

H2o

Umphunga wamanzi we-adsorbed wandled

Izici

Ama-adsorption amaningi kanye ne-demorption kungenziwa

 

Thayipha u-amoleculal ngesihlungo

 1

Ingxenye eyinhloko yohlobo isihlungo se-molecular i-silicon ihlangana. I-Crystal Hole eyi-Octaring yi-Octaring SAHGRE.U-ALTERTULULE WAMAHHALA WE-CRTSTAL ALTERTURE ngu-4Å (1Å-10m), owaziwa ngokuthi uhlobo lwe-4a (eyaziwa nangokuthi uhlobo lwe-Type A) i-moleculal isihlungo; Shintshanisa i-CA2 + nge-NA + esihluthulelo se-4a molecular, kwakha i-actilure ye-5A, okungukuthi i-5a calcium a) isihlungo se-3a i-3A, sakha i-aperture ye-3a (aka potassium a) ngesihlungo moleculal.

Thayipha x molelisalar isihlungo

2

Isakhi esiyinhloko sesihluthuli se-x molecular i-silicon alimainate, i-main crystal hole isakhiwo se-celstal sento eyi-9 a, ebizwa nge-13x yohlobo lwe-NA + ngesihluthulelo se-13x. I-aperture ka-8-9 a, ibizwa nge-10x (eyaziwa nangokuthi calcium X) isihlungo se-molecular.

   
  • Isicelo
  • I-adsorption yezinto ezibonakalayo ivela e-adsorption ye-adsorption (ama-vander Waals force), enezinkundla eziqinile ze-polarity kanye nama-couloms ngaphakathi emgodini waso we-crystal, ekhombisa amandla aqinile ama-adsorpl ama-polar molecule (njengama-molecule angafakwanga.
  • Ukusatshalaliswa kwe-aperture kwesihlungo se-molecular kufana kakhulu, futhi izinto kuphela ezinobubanzi obuncane kunobubanzi bembobo bangangena emgodini we-crystal ngaphakathi kwesihlungo se-moleculal ngaphakathi kwesihlungo se-molecular.

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