Shanghai Lianfeng Gas Company Geedka nitrogen-ka ee PSA-kayaga (Cadaadiska Swing) waa tignoolajiyada casriga ah ee bixin karta gaaska nitrogen-ka tayada sare leh ee warshado kala duwan. Mabda'a shaqada ee warshadeena nitrogen ee PSA waxay ku lug leedahay kala soocida nitrogen ee hawada ku hareeraysan iyada oo loo marayo habka adsorption lulid cadaadiska. Warshadu waxay isticmaashaa tignoolajiyada adsorption shaandhada molecular kaarboon ee firfircoon si ay hawada u shaandhayso oo ay u ururiso nitrogen oo leh heer nadiif ah ilaa 99.99%. Markay tahay Shanghai Lianfeng Gas Co., Ltd., waxaanu hubinaynaa in dhirta nitrogen ee PSA loo qaabeeyey oo lagu soo saaray heerarka tayada ugu sarreeya. Alaabtayadu waa tamar-ku-ool iyo kharash-ool, taasoo siinaysa macaamiisheena faa'iido tartan ah. Iyada oo leh warshadeena nitrogen ee PSA, macaamiishu waxay ku raaxaysan karaan gaaska nitrogen ee xasilloon oo aan kala go' lahayn oo ku habboon codsiyada warshadaha kiimikada, warshadaha elektaroonigga ah, warshadaha cuntada, iyo kuwo kale oo badan. Sannado khibrad u leh soo saarista dhirta nitrogen ee PSA, waxaad nagu kalsoonaan kartaa inaan ku siino xal la isku halayn karo oo hufan baahida gaasta nitrogen.