Okwangoku, iinkqubo zokukhupha i-helium kwigesi yendalo ekhaya nakwamanye amazwe ziquka indlela ye-cryogenic, indlela ye-adsorption, indlela yokwahlula i-membrane, okanye indibaniselwano yeenkqubo ezimbini okanye ezintathu ezisetyenziswa kunye.
1) Indlela yokupholisa nzulu
Ukucocwa ngokubandayo okunzulu yindlela esetyenziswa kakhulu kwizityalo ze-helium zokubuyisa igesi ephakathi ukuya kwenkulu. Umgaqo kukusebenzisa i-nitrogen engamanzi njengesiqandisi (malunga ne--190 ℃) ukuze kancinci kancinci ii-hydrocarbons ezidityanisiweyo kunye nezinye izinto kwigesi yendalo, kwaye ngenxa yeqondo lokubila eliphantsi kakhulu le-helium, ekugqibeleni iyahlukana nezinye izinto kwigesi yendalo.
2) Indlela yokufunxa uxinzelelo lwe-spin
I inkqubo yokutsalwa kwe-pressure swing (PSA) isebenzisa ii-adsorbents ezahlukeneyo ukufunxa izinto zegesi yendalo ngaphandle kwe-helium, ngaloo ndlela yahlula iimveliso ze-helium. Ngokubanzi, ii-PSA adsorption towers zizaliswa zii-separation beds zezixhobo ezahlukeneyo ze-adsorption ukuze zikwazi ukumelana nezinto ezahlukeneyo kwigesi yendalo, ezifana ne-silica gel okanye ii-alumina beds zokususa amanzi, ii-activated carbon beds zokususa i-carbon dioxide, ii-zeolite beds zokususa i-methane kunye ne-nitrogen, njalo njalo. Emva kokuba i-adsorbent igcwalise igesi yokungcola, iindlela ezinje nge-depressurization backflushing okanye i-vacuum pumping zingasetyenziselwa ukusombulula igesi yokungcola, ngaloo ndlela kubuyiselwe umsebenzi we-adsorbent.
3) Indlela yokwahlula i-membrane
I-membrane yokwahlulwa kwegesi yiteknoloji entsha yokwahlulwa. Iinxalenye zegesi zidlulisela ubunzima kwiifilimu zepolymer (ezifana neefayibha ze-acetate, i-polypropylene, i-polysulfone, i-polyimide, njl.njl.) ngokusekelwe kumgaqo wokusasazwa kokunyibilika. Ukwahlulwa kwenxalenye nganye kufezekiswa ngokutshintsha izinga lokunyibilika kunye nezinga lokusasazwa kweenxalenye zegesi ezahlukeneyo kwizinto zemembrane. Xa umxube weegesi ezimbini okanye ngaphezulu udlula kwifilimu yepolymer, izinga lokugcwala kweenxalenye ezifana ne-helium kunye ne-hydrogen liphezulu kakhulu kunele-nitrogen, i-methane, kunye nezinye ii-hydrocarbon.
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