Maitiro ekugadzirisa gasi rechisikigo ekubvisa mvura negasi rine acid
Kugadzira gasi rechisikigo inzira yekubvisa utsi hwemvura, hydrogen sulfide, mercaptan, uye carbon dioxide kubva mugasi rechisikigo. Midziyo mikuru inosanganisira chikamu chekubvisa mvura mumuviri, chikamu chekubvisa sulfurization, chikamu chekubvisa kabhoniuye kudzoreredzwa kwemahydrocarbon echiedza chikwata.
Kushaya mvura mumuviri
Maitiro anowanzo shandiswa pakugadzira mvura yegasi rechisikigo anosanganisira kunyorovesa mvura nekupisa kwakaderera, kunyudzwa kwakasimba, kunyudzwa kwemvura, uye nzira dzemakemikari.
Nzira yekusefa yemolecular inzira yekubvisa mvura yakawanda inowanzoshandiswa mukupatsanurana kwemhepo ine tembiricha yakaderera, senge kudzoreredza mvura ine gasi rechisikigo (NGL) uye nzira dzekubvisa mvura yakawanda mukugadzirwa kwegasi rechisikigo rakanyungudutswa (LNG). Pamusoro pezvo, kushaya mvura mumuviri kwemasero kunodiwawo pakugadzira gasi rechisikigo rakamanikidzwa rinoshandiswa semafuta emotokari.
Iyo Maitiro ekuderedza mvura mumuviri (TEG) yakakodzera kushaya mvura mumuviri negasi rechisikigo rine mwero wekuyerera kwakanyanya uye zvinodiwa kuderedza dova zvakanyanya.
Kubviswa kweCO2
Kune nzira mbiri huru dzekubvisa CO2 kubva mugasi rechisikigo: nzira yekunyudza solvent uye nzira yekunyudza.
Nzira inowanzoshandiswa yekunyudza solvent ndiyo MDEA solution, uye sisitimu yacho inosanganisira shongwe yekunyudza neshongwe yekudzoreredza.
Kubvisa kabhoni muPSA inzira yekunyudza, inonyanya kushandiswa pakushandisa tekinoroji yekunyudza mweya inopfungaira, iyo inoita kuti gasi riparadzaniswe uye richeneswe nekuchinja mamiriro ekumanikidzwa nguva nenguva.
Kubvisa sulfurization
Kune nzira mbiri huru dzekubvisa sarufa negasi rechisikigo: kubvisa sarufa negasi rakaoma uye kubvisa sarufa nemhepo yakanyorova.
Iyo maitiro eamine inoshanda kana gasi rechisikigo riine huwandu hushoma hweH2S uye huwandu hweCO2/H2S hwakawanda, asi huwandu hweCO2 hahuna kunyanya kukwira uye hahudi kubviswa kweCO2 yakadzika. Nzira iyi inogona kubvisa zvinobudirira H2S neCO2 panguva imwe chete.
Nzira yekusefa yemamorekuru inowanzo shandiswa kune mashandisirwo anoda kunyatso shandiswa kwekubvisa sarufa kana mwero wekuyerera wakaderera.
Iyo Maitiro eLO-CAT inoshandisa mvura inosanganiswa nesulfates, complexed iron, zvinowedzera (surfactants, defoamers, uye fungicides) kuti ibvise sulfurization. Nzira yeLo-Cat yakakodzera kurapa gasi rine acid rakaparadzaniswa nenzira dzemakemikari kana dzekunyudza. Nekuda kwehuwandu hwayo hwakakura hwekugadzirisa, kuchinjika kwayo pakushanda, kusarudza kwakanyanya, uye hushamwari kune zvakatipoteredza, yave tekinoroji inofarirwa kune nzira diki dzekudzoreredza sarufa.
Kubviswa kweMercaptan
Kubvisa mercaptan negasi rechisikigo kunowanzo shandiswa nenzira yesulfinol uye nzira yehydrodesulfurization yekubvisa mercaptan.
Nzira yesulfinol ine zvakanakira zvekushandisa simba shoma, kubvisa sarufa yeorganic, kugona kukuru kwekugadzira michina, ngura shoma, furo shoma, uye kuora kwechiedza che solvent. Inonyanya kukodzera kana chikamu chemhepo ine acidity mugasi rekudya chiri chakakwirira. Nzira iyi haigone kubvisa sarufa yakadzika uye inowanzoshandiswa kubvisa sarufa isina kuchena. Inofanira kushandiswa pamwe chete nedzimwe nzira.
Maitiro ekubvisa mercaptan ne hydrodesulfurization anotanga achinja organic salfa kuita inorganic salfa, uye ozoparadzanisa inorganic salfa uchishandisa nzira ye adsorption.
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