Ụlọ ọrụ anyịna-arụkọ ọrụ na East China University of Science and Technology, na mbụ nakweere mmeghachi omume na-aga n'ihu na kettle na-aga n'ihu na usoro distillation maka mmepụta nkeFurfuryl mmanya.Kpamkpam ghọtara mmeghachi omume na ala okpomọkụ na akpaka ime ime ime, na-eme ka àgwà ọzọ kwụsiri ike na mmepụta na-eri ala.Anyị nwere agbụ ngwaahịa zuru oke maka ihe nkedo, wee nwee ọganihu dị ukwuu na usoro na ụdị ngwaahịa.Ngwaahịa pụrụ iche emere ka ọ bụrụkwa dị ka arịrịọ sitere n'aka ndị ahịa.Anyị nwere ndị ọkachamara na-anụ ụtọ aha ọma na ụlọ ọrụ maka mmepụta, nyocha na ọrụ, onye nwere ike dozie nsogbu nkedo gị n'oge.
Na 1931, American chemist Adskins ghọtara hydrogenation nke furfural na mmanya mmanya na-aba n'anya na nke mbụ ya na ọla kọpa chromic acid dị ka ihe na-akpata, wee chọpụta na ngwaahịa ahụ bụ nke sitere na hydrogenation miri emi nke mgbanaka furfuran na aldehyde, na nhọrọ nke enwere ike imeziwanye ngwaahịa a site n'ịgbanwe ọnọdụ okpomọkụ mmeghachi omume yana ọnọdụ mmeghachi omume catalytic.Dị ka ọnọdụ mmeghachi omume dị iche iche si dị, usoro nke furfural hydrogenation na mmanya mmanya na-aba n'anya nwere ike kewaa n'ime usoro mmiri mmiri na usoro gas, nke nwere ike kewaa n'ime usoro nrụgide dị elu (9.8MPa) na usoro nrụgide ọkara (5 ~ 8MPa).
mmiri mmiri na-adọ hydrogenation
Mmiri mmiri mmiri hydrogenation bụ kwụsịtụ ihe na-akpali na furfural na 180 ~ 210 ℃, ọkara mgbali ma ọ bụ elu mgbali hydrogenation, ngwaọrụ bụ ihe efu ụlọ elu reactor.Iji belata ibu ọkụ, a na-achịkwa ọnụ ọgụgụ mgbakwunye nke furfural na oge mmeghachi omume (karịa 1h) na-agbatị ogologo oge.N'ihi na backmixing nke ihe, hydrogenation mmeghachi omume enweghị ike ịnọgide na nzọụkwụ nke furfuryl mmanya ọgbọ, na ike n'ihu na-emepụta siteproducts dị ka 22 methylfurfuran na tetrahydrofurfuran mmanya, nke na-eduga na elu akụrụngwa oriri, na ike na-agbake n'efu catalyst, dị mfe iji. na-ebute mmetọ chromium dị njọ.Tụkwasị na nke ahụ, usoro mmiri mmiri dị mkpa ka a na-arụ ọrụ n'okpuru nrụgide, nke na-achọ ihe ngwa ngwa dị elu.Ka ọ dị ugbu a, a na-ejikarị usoro a eme ihe na mba anyị.Nrụgide mmeghachi omume dị elu bụ isi adịghị ike nke usoro mmiri mmiri.Otú ọ dị, mmepụta nke mmanya furfuryl site na mmeghachi omume nke mmiri mmiri n'okpuru nrụgide dị ala (1 ~ 1.3MPa) ka akọpụtala na China, a nwetawokwa mkpụrụ dị elu.
Dị ka otu n'ime ihe ndị e ji emepụta ihe na-emepụta ihe, a pụrụ iji ya mepụta acid levulin, resin furan nwere ihe dị iche iche, furfuryl alcohol-urea resin na phenolic resin.Nguzogide oyi nke plasticizers mere site na ya dị mma karịa nke Butanol na Octanol esters.Ọ bụkwa ihe mgbaze dị mma maka resins furan, varnishes, na pigmenti, na mmanụ ọkụ roket.Tụkwasị na nke ahụ, a na-ejikwa ya na eriri sịntetik, rọba, pesticides na ụlọ ọrụ na-emepụta ihe.
Oge nzipu: Mee-18-2023