I. 2-Methylfuran a Wɔde Yɛ Nneɛma
2-Methylfuran yɛ aduru a ɛho hia a wɔde di dwuma kɛse wɔ nnuru, nnuru, ne huam adwumayɛbea ahorow mu. Nea ɛfa ne yɛ ho titiriw ne nnuru pɔtee bi a wɔde yɛ adwuma. Mpɛn pii no, wɔde furfural di dwuma sɛ ade a wɔde yɛ, na wɔde hydrogenation, nsu a wɔde fi mu, ne cyclization so na ɛyɛ 2-methylfuran.
Wɔ hydrogenation reduction stage no mu no, furfural ne hydrogen yɛ adwuma wɔ catalyst so ma ɛyɛ tetrahydrofurfuryl alcohol. Ade titiriw a ɛwɔ saa fã yi mu ne sɛ wɔbɛpaw catalyst ne reaction tebea horow a ɛfata na ama nsakrae ne selectivity ayɛ kɛse. Afei, tetrahydrofurfuryl nsa no kɔ nsu mu ma ɛyɛ 2-methylfuran a edi kan. Awiei koraa no, cyclization dannan nea edi kan no ma ɛbɛyɛ 2-methylfuran.
II. 2-Methylfuran Nsuo a Wɔde Yɛ Adwuma
Sɛ wobenya 2-methylfuran a ɛho tew kɛse-a, ɛsɛ sɛ wɔde distillation tew ho. Distillation yɛ ɔkwan a wɔtaa fa so yiyi nneɛma mu denam afrafrade bi a wɔma ɛyɛ hyew ma ɛyɛ hyew na afei wɔma ɛyɛ nwini na wɔboaboa nneɛma a ɛsono sɛnea ɛbobɔ ano.
Wɔ 2-methylfuran a wɔyɛ mu no, distillation columns di dwuma titiriw. Mfinimfini nhyehyɛe ne adwumayɛ tebea a ɛwɔ distillation column no mu no nya distillation nkɛntɛnso no so nkɛntɛnso kɛse. Sɛ yɛbɛka no ɔkwan biara so a, ɛsɛ sɛ distillation columns nya ɔhyew ne mass transfer a etu mpɔn na ama wɔahwɛ ahu sɛ nneɛma a ɛwom no di nkitaho yiye na ɛtetew mu. Bio nso, ɔhyew ne nhyɛso a wɔde yɛ adwuma no hwehwɛ sɛ wɔhwɛ so pɛpɛɛpɛ na ama mpaapaemu no ayɛ yiye na nneɛma no ho atew.
III. Nneɛma a Ɛka Distillation Efficiency ne Product Purity
Wɔ 2-methylfuran a wɔde hyɛ mu no mu no, nneɛma atitiriw pii nya distillation a ɛyɛ adwuma yiye ne nneɛma a wɔde yɛ no ahotew so nkɛntɛnso. Nea edi kan no, nneɛma a wɔde yɛ nneɛma no ne ne su ka sɛnea ɛyɛ den sɛ wɔbɛbɔ no tẽẽ. Sɛ efĩ pii wɔ nneɛma a wɔde yɛ no mu anaasɛ nneɛma a wɔde yɛ no wɔ mmeae a ɛbobɔ saa ara a, ɛbɛyɛ den sɛ wɔbɛtetew mu. Enti, ɛsɛ sɛ wɔma nneɛma a wɔde yɛ nneɛma no ho tew kɛse bere a wɔreyɛ no.
Nea ɛto so abien no, tebea horow a wɔde bɛyɛ adwuma a wɔbɛpaw nso ho hia yiye. Ɔhyew ne nhyɛso a ɛfata a wɔde yɛ adwuma no betumi ama distillation no atu mpɔn na ayɛ nneɛma no ho tew. Ɔhyew a ɛkɔ soro dodo betumi ama nneɛma a wɔyɛ no asɛe anaasɛ asɛe, bere a ɔhyew a ɛba fam dodo betumi ama wɔatetew mu yiye. Enti, adwumayɛ tebea horow a eye sen biara a wobenya no ho hia kɛse wɔ adwumayɛ ankasa mu.
Awiei koraa no, sɛnea nnwinnade no yɛ adwuma ne sɛnea ɛte nso nya nea efi distillation mu ba no so nkɛntɛnso. Ɔhyew ne nneɛma a wɔde fa nneɛma mu a etu mpɔn betumi ama mpaapaemu no atu mpɔn na ɛtew ahoɔden ne nneɛma a wɔde di dwuma no so. Bio nso, nnwinnade a wɔbɛhwɛ so no ho hia kɛse na ama wɔahwɛ ahu sɛ distillation nhyehyɛe no bɛyɛ adwuma yiye.
Sɛ yɛbɛbɔ no mua a, sɛ obi nya 2-methylfuran a wɔyɛ ne mfiridwuma a wɔde yɛ distillation no yiye a, ebetumi ama wɔanya adeyɛ a etu mpɔn na ɛyɛ den na wɔayɛ ade a ɛho tew kɛse. Wɔ adeyɛ ankasa mu no, ɛsɛ sɛ wɔyɛ nhyehyɛe no ho nsusuwii ne nnwinnade no yiye na wɔyɛ nsakrae wɔ tebea pɔtee bi mu na ama wɔanya nea eye sen biara wɔ nneɛma a wɔyɛ mu.
