Isisefo se-molecular

I-molecular sieve iyi-adsorbent eqinile engahlukanisa ama-molecule anobukhulu obuhlukahlukene.I-SiO2, i-Al203 njenge-crystalline aluminium silicate enengxenye eyinhloko.Kunezimbobo eziningi zobukhulu obuthile ku-crystal yayo, futhi kunezimbobo eziningi ezinobubanzi obufanayo phakathi kwazo.Ingakwazi ukukhangisa ama-molecule amancane kunobubanzi bembotshana ukuya ngaphakathi kwembobo, futhi ikhiphe ama-molecule amakhulu kunembobo eya ngaphandle, idlala indima yesisefo.

Isisefo samamolekyuli sinamandla okumunca umswakama oqinile, futhi cishe zonke izincibilikisi zingasetshenziswa ukuze zomiswe, ngakho sisetshenziswa kakhulu elabhorethri nasembonini.Indlela ye-molecular sieve adsorption iyindlela yokukhipha amanzi emzimbeni esebenzisa amandla aphansi kanye nokusebenza kahle okuphezulu, inqubo ilula, ifaneleka kakhulu ukuphelelwa amanzi emzimbeni okujulile koketshezi negesi, ukusetshenziswa kosayizi we-molecular sieve aperture adsorption ekhethiwe yamanzi, ukuze finyelela ukwehlukana.

Ukuzinza okushisayo kwe-sieve yamangqamuzana kuhle, okungamelana nokushisa okufushane okuphezulu kwe-600C ~ 700C, futhi izinga lokushisa lokuvuselela akufanele lidlule i-600C, ngaphandle kwalokho kuthinte umsebenzi we-molecular sieve, futhi ingakhishwa (akukho ukuvuselelwa okushisayo).Isisefo samangqamuzana asincibiliki emanzini, kodwa sincibilika kuma-asidi aqinile ne-alkali, ngakho singasetshenziswa phakathi kwe-pH5~11.Isihlungo samangqamuzana kulula ukumunca amanzi, kufanele sivalwe isitoreji, ukusetshenziswa kufanele kuhlole ukuthi okuqukethwe kwamanzi kudlula izinga, isitoreji isikhathi eside ukumuncwa umswakama, kufanele kusetshenziswe ngemva kokusetshenziswa, ukusebenza kwawo kungashintshiwe.I-molecular sieve inezici zejubane elisheshayo le-adsorption, izikhathi eziningi zokuvuselela, ukuchotshozwa okuphezulu nokumelana nokugqoka, ukumelana nokungcola okuqinile, ukusebenza kahle kakhulu kokusetshenziswa, impilo ende yesevisi, njll., okuyi-desiccant ethandwayo yegesi kanye nesigaba se-liquid esomiswe ngokujulile.


Isikhathi sokuthumela: Apr-08-2023