ʻenehana hana ʻenehana Furfuryl

ʻO kā mākou huihui pū me East China University of Science and Technology, a hoʻohana mua i ka hoʻomau mau ʻana i ka ipuhao a me ke kaʻina distillation hoʻomau no ka hana ʻana oʻO ka waiʻona Furfuryl. Hoʻomaopopo loa i ka pane ʻana i ka haʻahaʻa haʻahaʻa a me ka hana mamao ʻakomi, e hoʻoemi i ka maikaʻi a me ke kumu kūʻai. Loaʻa iā mākou ke kaulahao huahana piha no ka hoʻolei ʻana i nā mea, a ua holomua nui i ka ʻenehana a me nā ʻano huahana. Loaʻa nā huahana kūikawā i hana ʻia e kauoha e like me ka noi mai nā mea kūʻai aku. Loaʻa iā mākou nā hui ʻoihana e hauʻoli nei i ka inoa maikaʻi ma ka ʻoihana no ka hana ʻana, noiʻi a me ka lawelawe, hiki iā lākou ke hoʻoponopono i kāu mau pilikia hoʻolei i ka manawa.

I ka makahiki 1931, ua ʻike ʻo ʻAmelika chemist Adskins i ka hydrogenation o ka furfural i ka furfuryl alcohol no ka manawa mua me ka copper chromic acid ma ke ʻano he catalyst, a ʻike ʻia ʻo ia ka huahana o ka hydrogenation hohonu o ke apo furfuran a me ka hui aldehyde, a me ka koho hiki ke hoʻomaikaʻi ʻia ka huahana ma o ka hoʻololi ʻana i ka mahana hopena a me nā kūlana hopena catalytic. E like me nā ʻano hopena like ʻole, hiki ke hoʻokaʻawale ʻia ke kaʻina hana o ka furfural hydrogenation i ka furfuryl alcohol i ke ʻano o ke kaʻina wai a me ke ʻano o ke kaʻina gas, hiki ke hoʻokaʻawale ʻia i ke ʻano kiʻekiʻe kiʻekiʻe (9.8MPa) a me ke ʻano kaomi maʻamau (5 ~ 8MPa).

wai hoʻohāhā

ʻO ka hydrogenation phase wai ke hoʻokuʻu i ka catalyst ma furfural ma 180 ~ 210 ℃, ke kaomi waena a i ʻole ka hydrogenation kiʻekiʻe kiʻekiʻe, ʻo ka hāmeʻa he reactor hale kiaʻi ʻole. I mea e hōʻemi ai i ka ukana wela, ua hoʻomalu pinepine ʻia ka helu hoʻohui o ka furfural a ua hoʻolōʻihi ʻia ka manawa pane (ʻoi aku ma mua o 1h). Ma muli o ka hoʻohui ʻana o nā mea, ʻaʻole hiki i ka hopena hydrogenation ke noho i ka ʻanuʻu o ka furfuryl alcohol generation, a hiki ke hana hou i nā huahana e like me 22 methylfurfuran a me tetrahydrofurfuran waiʻona, e alakaʻi ana i ka ʻai meaʻai kiʻekiʻe, a paʻakikī hoʻi e hoʻihoʻi i ka ʻōpala catalyst. e hoʻohaumia i ka chromium koʻikoʻi. Eia kekahi, pono e hana ʻia ke ʻano hana wai ma lalo o ke kaomi, kahi e koi ai i nā koi kiʻekiʻe. I kēia manawa, hoʻohana nui ʻia kēia ʻano ma ko mākou ʻāina. ʻO ke kaomi hopena kiʻekiʻe ka hemahema nui o ke ʻano wai-phase. Eia nō naʻe, ua hōʻike ʻia ka hana ʻana o ka waiʻona furfuryl e ka hopena wai-phase ma lalo o ke kaomi haʻahaʻa (1 ~ 1.3MPa) ma Kina, a ua loaʻa nā hua kiʻekiʻe.

Ma ke ʻano he mea maka no ka synthesis organik, hiki ke hoʻohana ʻia e hana i ka levulinic acid, furan resin me nā waiwai like ʻole, furfuryl alcohol-urea resin a me phenolic resin. ʻOi aku ka maikaʻi o ka pale anuanu o nā plasticizers i hana ʻia mai ia mea ma mua o ka Butanol a me Octanol esters. He mea hoʻoheheʻe maikaʻi nō hoʻi ia no nā furan resins, varnish, a me nā puaʻa, a me nā wahie rocket. Eia kekahi, hoʻohana ʻia i nā fiber synthetic, rubber, pesticides a me nā ʻoihana foundry.