I. Efi Furfural so kosi Golden Solvent so
2-methyltetrahydrofuran (2-MeTHF) a wɔyɛ no te sɛ nkonyaayi a wɔde dan atoko nnua ma ɛbɛyɛ nneɛma a ɛsom bo. Adeyɛ titiriw no de furfural a wonya fi biomass mu di dwuma sɛ ade a wɔde yɛ adwuma na ɛnam anammɔn abiɛsa a wɔfa so yɛ ade so nya nsakrae no:
Decarbonylation: Wɔde zinc oxide catalyst na ɛdannan furfural ma ɛbɛyɛ 2-furfural wɔ 200-250℃mu.
Selective Hydrogenation: Kɔbere-chromium catalyst a ɛwɔ 3 MPa no dan furan ring no ma ɛyɛ tetrahydrofuran nhyehyɛe.
Distillation ne Purification: Wonya ade a ɛho tew 98% bere a wɔde molecule sieves ayi nsu afi mu akyi.
II. Nkɔso Foforo a Wɔayɛ wɔ Green Processes mu
Atetesɛm mu hydrogenation anammɔn no hwehwɛ sɛ wɔde dade a ɛsom bo a ɛma nneɛma yɛ kɛse, nanso nnansa yi nhwehwɛmu ("Green Processes") ada no adi sɛ wobetumi de saa kwan yi adi dwuma de ama 2-MeTHF no ayɛ papa. Chemistry (2022) de nano-dade a ɛma nneɛma yɛ kɛse di dwuma:
Reaction hyew so tew digrii 40 koduu digrii 180
Nhyɛso a ɛso tew fii 3 MPa koduu 1.5 MPa
Aba a wonyae no kɔɔ soro koduu 92% (adeyɛ a wɔtaa yɛ no 85%) .
Catalyst ka so tew 60% .
III. Nneɛma a Wɔde Di Dwuma a Wɔde Di Dwuma a Ɛyɛ Pɛpɛɛpɛ
Saa nsuo a ɛyɛ kɔkɔɔ a ɛyɛ mmerɛw yi betumi asi atetesɛm THF ne n-hexane ananmu efisɛ:
Ɛyɛ azeotrope a ɛba fam koraa a nsu wom (nea ɛbobɔ digrii 71 ) .
Ahobammɔ ho nneɛma a ɛwɔ flash point a ɛyɛ digrii 11 (kuruwa a wɔato mu) .
Nsuo a ɛtumi nwura mu ma nneɛma a ɛwɔ polar ne nea ɛnyɛ{0}}polar nyinaa
Biodegradability a ɛboro THF so mprɛnsa
Wɔde 2-MeTHF-3-one a ɛho tew kɛse-a ɛyɛ ade titiriw wɔ aduruyɛdan ahorow mu no ahyɛ dade sanku a wɔde galvanized ayɛ a wɔatoto mu mu. Molecular formula C5⁄2⁄2O2 no da adi pefee, na 98% a ɛyɛ adwuma no hwɛ hu sɛ adeyɛ no gyina pintinn. Sɛ ɛyɛ hyew a ɛyɛ digrii F 103 a, ɛkyerɛ sɛ ɛsɛ sɛ wɔde sie baabi a ɛhɔ yɛ nwini na ɛhɔ yɛ kusuu.
