propylene waikurahe momo matū matū tino nui me te takawaenga.Ka whakamahia te nuinga i roto i te whakahiato o te polyether polyols, te polyester polyols, te polyurethane, te polyether amine, me etahi atu, he mea tino nui mo te whakarite i nga polyols polyester, he waahanga nui o te polyurethane mahi nui.Ka whakamahia ano hoki te Propylene oxide hei rauemi mata mo te whakarite i nga momo haumanu, nga raau taero, nga matū ahuwhenua, me etahi atu, a ko tetahi o nga mea tino nui mo te umanga matū.

Ko te propylene oxide ka puta mai i te waikura o te propylene me te whakakōkī.Ka konatunatua te propylene mata ki te hau kōpeke, katahi ka tukuna ma te reactor kua whakakiia ki te whakakorikori.Ko te pāmahana tauhohenga ko te tikanga 200-300 DEG C, a ko te pehanga kei te 1000 kPa.Ko te hua tauhohenga he ranunga kei roto te propylene oxide, carbon dioxide, carbon monoxide, wai me etahi atu pūhui.Ko te whakakōkī e whakamahia ana i roto i tēnei tauhohenga he whakakōkī whakarewa waikura whakawhiti, pērā i te whakakōkī waikura hiriwa, te whakakōkī chromium oxide, me ētahi atu.I tua atu, ka whakakorehia te whakakorikori i te wa o te tauhohenga, na reira me whakahou, me whakakapi i nga wa katoa.

Ko te wehenga me te purenga o te propylene oxide mai i te ranunga tauhohenga he mea tino nui i roto i te mahi whakarite.Ko te tikanga wehe ka uru ki te horoi wai, te whakamaarama me etahi atu waahanga.Tuatahi, ka horoia te ranunga tauhohenga ki te wai hei tango i nga waahanga iti-kohuatanga penei i te propylene me te waro monoxide.Na, ka whakamarokehia te ranunga ki te wehe i te waikura propylene mai i etahi atu waahanga kohua nui.Kia whiwhi ai i te waikura propylene tino parakore, ka hiahiatia etahi atu mahi purenga penei i te adsorption, tangohanga ranei.

I te nuinga o te waa, ko te whakarite o te propylene oxide he tukanga uaua, e hiahia ana kia maha nga waahanga me te nui o te whakapau kaha.Na reira, ki te whakaiti i te utu me te paanga o te taiao o tenei tukanga, me whakapai tonu te hangarau me nga taputapu o te tukanga.I tenei wa, ko te rangahau mo nga tikanga hou mo te whakarite propylene oxide te nuinga e aro ana ki nga mahi taiao me te iti o te kaha o te whakapau kaha me te kaha nui, penei i te whakapouritanga catalytic ma te whakamahi i te hāora rāpoi hei oxidant, te ngaruiti-awhina i te tukanga hāoratanga, te tukanga oxidation supercritical, me era atu. , Ko te rangahau mo nga whakakorikori hou me nga tikanga wehewehe hou he mea tino nui hoki mo te whakapai ake i te hua me te ma o te propylene oxide me te whakaiti i te utu whakaputa.