Isiphakamiso sobuchwepheshe benqubo kanye nencazelo yesitshalo sokukhiqiza igesi yemvelo i-hydrogen (2)

3) Ukuguqulwa kwe-CO: Ngemva kokuba igesi yokuguqulwa ibuyise ukushisa ngebhoyila lokushisa elingcolile, izinga lokushisa lehla liye cishe ku-360°C bese lingena esithandweni sokuguqulwa esiphakathi nendawo. Ngaphansi kwesenzo se-catalyst esekelwe ensimbini, i-carbon monoxide isabela nomhwamuko wamanzi ukuze ikhiqize i-carbon dioxide ne-hydrogen. Ukusabela okuyinhloko kungokulandelayo:

I-CO+H₂O→CO₂ +H₂ +Q

Ukusabela kokuguqulwa kwe-CO kuyindlela yokusabela exothermic. Izinga lokushisa eliphansi lizuzisa ibhalansi yokuguqulwa, okungenza izinga lokuguqulwa kwe-CO eliphezulu, ngaleyo ndlela kwandise ukukhiqizwa kwe-hydrogen ngeyunithi ngayinye yezinto zokusetshenziswa. Ukuze kwenziwe lula inqubo futhi kongiwe utshalomali, ukuguqulwa kwegesi yemvelo ibe yi-hydrogen kuvame ukusebenzisa ukuguqulwa kwesigaba esisodwa kuphela.

4) Isimiso sokukhishwa kwe-hydrogen yi Ukumuncwa kwe-PSA pressure swing: Ukumuncwa kubhekisela esimweni kanye nenqubo lapho izinto ezimbili ezinezigaba ezahlukene zihlangana, ama-molecule ento enobuningi obuphansi acebile ebusweni bento enobukhulu obuphezulu. Into enomphumela wokumuncwa (ngokuvamile i-solid evulekile enobukhulu obukhulu) ibizwa ngokuthi i-adsorbent, kanti into emuncwayo (ngokuvamile igesi enobukhulu obuncane) ibizwa ngokuthi i-adsorbate. Inezakhiwo ezimbili: eyodwa ukuthi amandla okumuncwa kwezingxenye ezahlukene ahlukile, kanti enye ukuthi amandla okumuncwa kwe-adsorbate ku-adsorbent ayanda ngokwanda kwengcindezi engaphelele ye-adsorbate futhi yehla ngokwanda kwezinga lokushisa lokumuncwa. Ngokusebenzisa isici sokuqala se-adsorbent, injongo yokuhlanzwa kwe-hydrogen ingafezwa ngokumuncwa ngokukhethekile izingxenye zokungcola emthonjeni wegesi oqukethe i-hydrogen; ngokusebenzisa isici sesibili se-adsorbent, i-adsorbent ingamuncwa ekushiseni okuphansi kanye nokucindezela okuphezulu futhi ikhishwe futhi ivuselelwe ekushiseni okuphezulu kanye nokucindezela okuphansi, ngaleyo ndlela kwakhiwe umjikelezo wokungenisa kanye nokuvuselela we-adsorbent ukuze kufezwe injongo yokukhipha i-hydrogen okuqhubekayo.

Ubudlelwano phakathi kwenani lokumuncwa, ingcindezi kanye nokushisa kwe- Ukumuncwa kwe-PSA pressure swing

Kusukela ku-Langmuir adsorption isotherm equation, siyazi ukuthi ekushiseni okuthile, ukumuncwa kwengxenye emuncwe kudinga ukuqedwa ngokunciphisa ingcindezi yayo engaphelele. Izindlela ezivame ukusetshenziswa zokumuncwa zifaka phakathi ukuhlaziywa kwengcindezi yomoya kanye nokuhlaziywa kwe-vacuum, kokubili okuhlose ukunciphisa ingcindezi engaphelele yengxenye emuncwe kwi-adsorbent.

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