Nā kānana Molekule

NA MINERAL ADSORBENTS, NA AGENA FILTER, a me na mea hoomaloo
ʻO nā kānana molekika he mau alumina metala aluminosilicates i loaʻa kahi ʻuena hoʻohui ʻekolu ʻāpana o ke silica a me ka alumina tetrahedra.Wehe ʻia ka wai kūlohelohe mai kēia pūnaewele ma o ka hoʻomehana ʻana e hana i nā lua like ʻole e hoʻopili i nā molekala o kahi nui kikoʻī.
Hoʻohana mau ʻia kahi kānana 4 a 8-mesh i nā noi gasphase, aʻo ka ʻano 8 a 12-mesh ka mea maʻamau i nā noi liquidphase.ʻO nā ʻano pauka o nā kānana 3A, 4A, 5A a me 13X kūpono no nā noi kūikawā.
Ua ʻike lōʻihi ʻia no ko lākou hiki ke hoʻomaloʻo (a hiki i 90 °C), ua hōʻike ʻia nā kānana molecular i ka pono i nā kaʻina hana organik synthetic, e ʻae pinepine i ka hoʻokaʻawale ʻana i nā huahana i makemake ʻia mai nā hopena condensation i hoʻokele ʻia e ka equilibria maikaʻi ʻole.Ua hōʻike ʻia kēia mau zeolite synthetic e wehe i ka wai, nā ʻawaʻawa (me ka methanol a me ka ethanol), a me ka HCl mai nā ʻōnaehana like ketimine a me enamine syntheses, condensations ester, a me ka hoʻololi ʻana o nā aldehydes unsaturated i polyenals.

ʻAno 3A
Huina 0.6 K2O: 0.40 Na2O : 1 Al2O3 : 2.0 ± 0.1SiO2 : x H2O
wehewehe Hana ʻia ke ʻano 3A ma ka hoʻololi ʻana i nā ions potassium no nā ion sodium inherent o ka hale 4A, e hoʻemi ana i ka nui o ka pore kūpono i ~3Å, me ka ʻole o ke anawaena >3Å, e laʻa, ethane.
Noi Nui ʻO ka hoʻomaʻemaʻe ʻana i ka wai o nā kahawai hydrocarbon unsaturated, me ke kinoea māhā, propylene, butadiene, acetylene;hoʻomaloʻo i nā wai pola e like me ka methanol a me ka ethanol.Adsorption o nā mole e like me NH3 a me H2O mai kahi kahe N2/H2.Manaʻo ʻia he mea hoʻomaloʻo kumu nui ma ka pāpaʻi polar a me ka nonpolar.
ʻAno 4A
Huina 1 Na2O: 1 Al2O3: 2.0 ± 0.1 SiO2 : x H2O
wehewehe Hōʻike kēia ʻano sodium i ka ʻohana ʻano A o nā kānana molekula.ʻO ka wehe ʻana o ka pore maikaʻi he 4Å, no laila ʻaʻole i hoʻokomo ʻia nā molekele o ke anawaena kūpono >4Å, e laʻa, propane.
Noi Nui Manaʻo ʻia no ka wai maloʻo paʻa i loko o nā ʻōnaehana wai a i ʻole nā ​​​​ea, no ka laʻana, i ka hoʻopili ʻana i nā lāʻau lapaʻau, nā ʻāpana uila a me nā kemika palaho;ʻO ka ʻili wai i ka paʻi ʻana a me nā ʻōnaehana plastik a me ka hoʻomaloʻo ʻana i nā kahawai wai wai.Manaʻo maʻamau he mea hoʻomaloʻo honua i loko o ka media polar a me ka nonpolar.
ʻAno 5A
Huina 0.80 CaO : 0.20 Na2O : 1 Al2O3: 2.0 ± 0.1 SiO2: x H2O
wehewehe Hāʻawi nā iona calcium ʻokoʻa ma kahi o nā cation sodium i nā puka o ~5Å ka mea e kāpae ʻia ai nā molekole o ke anawaena kūpono >5Å, no ka laʻana, nā apo kalapona 4 a pau, a me nā pūhui iso.
Noi Nui ʻO ka hoʻokaʻawale ʻana o nā paraffins maʻamau mai ka kaulahao lālā a me ka hydrocarbons cyclic;ka wehe 'ana i ka H2S, CO2 a me ka mercaptans mai ke kinoea maoli.ʻO nā molekule i hoʻopili ʻia me nC4H10, nC4H9OH, C3H8 a i C22H46, a me dichlorodifluoro-methane (Freon 12®).
ʻAno 13X
Huina 1 Na2O: 1 Al2O3 : 2.8 ± 0.2 SiO2 : xH2O
wehewehe Hōʻike ka ʻano sodium i ke ʻano kumu o ka ʻohana ʻano X, me ka wehe ʻana o ka pore maikaʻi ma ka pae 910¼.ʻAʻole e hoʻopili (C4F9)3N, no ka laʻana.
Noi Nui ʻO ka hoʻomaloʻo kinoea ʻoihana, ka hoʻomaʻemaʻe ʻana i nā mea kanu ea (hoʻopau ʻia ʻo H2O a me CO2) a me ka wai hydrocarbon / kino kinoea momona (H2S a me ka mercaptan wehe).

Ka manawa hoʻouna: Iune-16-2023