Ukususwa kwe-nitrogen kugesi yemvelo

.Iyunithi yokususa i-nitrogen kususa i-nitrogen kugesi yemvelo ukulungiselela ukudluliswa kwamapayipi. Ngokusho kwedatha ye-Natural Gas Research Institute, ama-17% emithombo yegesi yemvelo e-United States aqukethe okuqukethwe okuphezulu kwe-nitrogen. Izindinganiso eziningi zamapayipi zidinga ukuthi okuqukethwe kwe-nitrogen kugesi yemvelo kube ngaphansi kuka-4%. Igesi yemvelo ene-nitrogen ephezulu ivalekile ngoba ayikwazi ukuthuthwa iye emakethe ngamapayipi. Uma kune-nitrogen eningi kakhulu epayipini, kunengozi yokuxhuma igesi noma ukusha okubi. I-nitrogen iphinde inciphise inani lama-calories egesi, okuholela ekwehleni kwe-BTU kanye nenani layo.

Ngenxa yokuthi i-nitrogen (N2) kanye ne-methane (CH4) zinobukhulu obufanayo bama-molecule kanye nama-dielectric constant aphansi, kanye nokuntuleka kwe-reactivity ekhethiwe, njenge-carbon dioxide noma i-hydrogen sulfide kuma-amine units, i-denitrification iyinkimbinkimbi yokuhlukanisa ubuchwepheshe.

Ukumuncwa kwe-Pressure swing (PSA), ukuhlukaniswa kwezinga lokushisa eliphansi kanye nokumuncwa kwamafutha angenawo amafutha konke kusetshenziswe ukususa i-nitrogen kugesi yemvelo.

I-Pressure swing adsorption (PSA) isebenzisa i-adsorbent ukuze ikhetheke hlukanisa i-nitrogen ku-methaneIgesi bese ivuselelwa kusukela ku-adsorbent ngokuhlanganiswa kwengcindezi kanye nezinguquko zokushisa. I-PSA isetshenziselwa ukuphelelwa amanzi yigesi, ukususwa kwe-carbon dioxide, ukuchithwa kwe-nitrification kanye nokulawulwa kwephuzu lama-hydrocarbon dew.

Ukuhlukaniswa kwe-cryogenic kusebenzisa ukuhlukaniswa kwe-cryogenic Thermodynamic Ngokusekelwe kumaphuzu abilayo aqhathaniswayo e-methane (-259° F) kanye ne-nitrogen (-320° F). Njengoba ingxube iphola, i-methane izoqina ngaphambi kwe-nitrogen, ngaleyo ndlela ihlukanise lokhu okubili.

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