fari da psa da vpsa
PSA (Pressure Swing Adsorption) da VPSA (Vacuum Pressure Swing Adsorption) suna biyu teknoloji gaba na gas shirin da suka yi aiki kamar rubutun duniya a cikin abubuwa industrial. PSA ya yi aiki domin yanzu da wata tsarin jihar da aka samun gareshin gas, ya kira aiki bayan 4-8 bar jihar. Rubutun ne domin wannan sunan suka gabatar da suka samun gas shiƙeɗe materiyar wadannan a matsayin jihar. Da fatan haka, VPSA ya yi aiki domin amfani da jihar taɓa da aka samun gareshin gas, ya kira aiki bayan 0.3-1.0 bar a matsayin jihar taɓa. Wannan fasi vacuum ya saukar da regeneretan materiyar adsorbent, ya karatun wannan aiki. Rubutun gaba ne domin matsayin jihar suka samun aiki, da pattern energy consumption. Saituna PSA aka samun energy compression mai wadda, kana aka samun makeway mechanical mai wadda; da fatan haka, VPSA aka samun jihar differentials mai taɓa, kana aka samun vacuum pumps. Biyu teknolojin suna aka samun aiki kamar wannan a cikin nitrogen generation, oxygen production, da hydrogen purification, da VPSA ya kamata masu aiki a cikin oxygen production mai wadda a matsayin cost operation.