Shawarar fasahar tsari da bayanin masana'antar samar da hydrogen ta iskar gas (2)
3) Juyawar CO2: Bayan iskar gas mai juyawa ta dawo da zafi ta cikin tukunyar zafi ta sharar gida, zafin jiki ya ragu zuwa kimanin 360°C sannan ya shiga tanderun juyawa mai matsakaicin zafin jiki. A ƙarƙashin aikin mai kara kuzari na ƙarfe, carbon monoxide yana amsawa da tururin ruwa don samar da carbon dioxide da hydrogen. Babban halayen sune kamar haka:
CO+H2O→CO2 +H2 +Q
Haɗakar CO2 amsawar zafi ce ta waje. Ƙananan zafin jiki yana da amfani ga ma'aunin juyawa, wanda zai iya samun mafi girman ƙimar juyawar CO2, ta haka yana ƙara yawan samar da hydrogen a kowace raka'a ta kayan aiki. Domin sauƙaƙe tsarin da kuma adana jari, sauya iskar gas zuwa hydrogen yawanci yana amfani da juyawa mataki ɗaya ne kawai.
4) Ka'idar fitar da hydrogen ta hanyar Shakar matsi na PSA: Adsorption yana nufin abin da ke faruwa da kuma tsarin da lokacin da abubuwa biyu masu matakai daban-daban suka haɗu, ƙwayoyin halittar abu mai ƙarancin yawa suna wadatarwa a saman abu tare da babban yawa. Ana kiran abu mai tasirin adsorption (galibi mai laushi mai ramuka tare da babban yawa) adsorbent, kuma abu mai sha (galibi iskar gas mai ƙaramin yawa) ana kiransa adsorbate. Yana da halaye biyu: ɗaya shine cewa ƙarfin adsorption na abubuwa daban-daban ya bambanta, ɗayan kuma shine cewa ƙarfin adsorption na adsorbent akan adsorbent yana ƙaruwa tare da ƙaruwar matsin lamba na adsorbate kuma yana raguwa tare da ƙaruwar zafin adsorption. Ta hanyar amfani da sifar farko ta adsorbent, ana iya cimma manufar tsarkake hydrogen ta hanyar fifita shaye-shayen sassan ƙazanta a cikin tushen iskar da ke ɗauke da hydrogen; Ta hanyar amfani da siffa ta biyu ta mai shan iska, mai shan iska za a iya shanye shi a ƙananan zafin jiki da matsin lamba mai yawa sannan a cire shi a sake farfaɗo da shi a babban zafin jiki da ƙaramin matsin lamba, ta haka ne za a samar da zagayowar shawagi da sake farfaɗo da mai shan iska don cimma manufar ci gaba da fitar da iskar hydrogen.
Alaƙa tsakanin adadin sha, matsin lamba da zafin jiki na Shakar matsi na PSA
Daga lissafin isotherm na adsorption na Langmuir, mun san cewa a wani zafin jiki, ana buƙatar kammala cirewar ɓangaren da aka adsorption ta hanyar rage matsin lamba na ɓangare. Hanyoyin desorption da aka saba amfani da su sun haɗa da nazarin matsin lamba na yanayi da nazarin injin, waɗanda duka suna da nufin rage matsin lamba na ɓangaren da aka adsorbent akan adsorbent.
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