Clinoptolite imatanthauza mchere wa aluminiyamu wopangidwa ndi silicate wokhala ndi sodium, potaziyamu, ndi calcium m'banja la zeolite, wokhala ndi makhiristo ambiri omwe ali ngati mbale zowonekera. Zeolite ndi imodzi mwa mchere wa zeolite wochuluka kwambiri. Kristalo wake ndi wowonekera bwino ndipo amathanso kusandulika bulauni kapena wofiira chifukwa cha zinthu zosafunika. Zeolite ndi aluminosilicate yachitsulo cha alkali yosungunuka yomwe imatha kugwira ntchito ngati sieve ya molekyulu pambuyo pa kutaya madzi m'thupi, kutulutsa nayitrogeni mumlengalenga ndikuwonjezera mpweya. Zeolite ingagwiritsidwenso ntchito ngati chosinthira ma ion pochiza zinyalala za nyukiliya, komanso ndi chodzaza ndi chokulitsa mumakampani opanga mapepala.
Kutengera kupanga kwa pachaka kwa matani pafupifupi 3 miliyoni a zeolite yachilengedwe padziko lonse lapansi, zopitilira 80% za kupanga zeolite padziko lonse lapansi zimapangidwa ndi mchere wachilengedwe wa clinoptilolite. Kuphatikiza pa zachilengedwe, ma zeolite ambiri opangidwa asinthidwa padziko lonse lapansi kuti apange masekondi a cationic. Komabe, mpaka pano, ma zeolite 232 okha opangidwa ndi mapangidwe awa apezeka ndikupangidwa, kotero asayansi ambiri a zeolite amafunsa chifukwa chake pali gawo laling'ono chabe la mwayi lomwe lawonedwa. Zeolite yachilengedwe ndi chuma chokhala ndi zosungira zambiri, chomwe ndi aluminosilicate yosungunuka ndi crystalline yokhala ndi kapangidwe ka mafupa, yokhala ndi ma pores okhala ndi madzi, alkali, ndi alkaline earth metal cations. Chifukwa cha luso lawo lalikulu la cationic komanso mawonekedwe a ma molecular sieves, ma zeolite achilengedwe akhala akugwiritsidwa ntchito kwambiri ngati zokoka ma cations m'mabenchi olekanitsidwa ndi oyeretsa m'zaka makumi angapo zapitazi.
Mndandanda wa clinoptilolite uli ndi mitundu itatu. Clinoptilolite K, clinoptilolite Na, ndi clinoptilolite Ca zimatchulidwa mayina a zinthu zazikuluzikulu. Zinthuzi zimasinthidwa panthawi yosinthana kwa cation, zomwe zimathandiza pa zitsulo zolemera, poizoni, ammonia, ndi zina zotero zomwe zimakopa kwambiri mchere.
Mphamvu yosinthira ya NH4 cations m'miyala ya clinoptilolite ndi yokwera kwambiri, ndipo clinoptilolite imatha kusinthanso zitsulo zina zolemera mosankha, zomwe zimapangitsa kuti ikhale yoyenera kuchotsa ma ayoni a zitsulo zolemera.
1. Kugwira ntchito kwa Adsorption. Zeolite ili ndi malo akuluakulu apadera (500-1000 masikweya mita/gramu) ndipo imatha kupanga mphamvu yayikulu yofalitsa, zomwe zimapangitsa kuti ikhale adsorbent yabwino kwambiri. Pali ma pores ndi njira zambiri zofanana mkati mwa makristasi a zeolite, omwe ali ndi mainchesi olondola komanso okhazikika (pafupifupi 3-11A) pansi pa mikhalidwe ina ya thupi ndi mankhwala. Zinthu zazing'ono kuposa mainchesi awa zimatha kuchotsedwa ndi iwo, pomwe zinthu zazikulu kuposa mainchesi awa sizichotsedwa. Chodabwitsa ichi chimatchedwa "molecular sieve", koma si ma zeolite onse omwe amatha kugwira ntchito ngati ma molecular sieve.
2. Mphamvu ya Catalytic. Chifukwa cha malo ake akuluakulu olowetsa madzi, zeolite imatha kusunga zinthu zambiri zolowetsedwa, zomwe zingayambitse kusintha kwa mankhwala pamwamba pake. Chifukwa chake, zeolite imagwira ntchito ngati chothandizira komanso chonyamulira chothandizira.
3. Kukhazikika kwa kutentha. Kukhazikika kwa kutentha kwa miyala ya zeolite kumakhudzana ndi zinthu monga mtundu wa ma cation omwe ali mu miyala ya zeolite, chiŵerengero cha silicon aluminiyamu cha zeolite, ndi kapangidwe ka mkati mwa zeolite.
4. Kukana asidi. Zeolite ili ndi kukana bwino asidi. Kuphatikiza apo, zeolite ilinso ndi zinthu monga reactivity ya mankhwala, radiation ya infrared, komanso kutaya madzi m'thupi komwe kumabwezeretsedwa.
Nthawi yotumizira: Feb-26-2024

