Dɛn ne acetylene kwan a wɔfa so yɛ maleic anhydride fi 1,4-butanediol mu?
2. 2.025-12-08 na ɔkyerɛwee
Acetylene kwan a wɔfa so yɛ 1, .4-Butanediol a wɔde di dwuma maleic anhydride a wɔde siesie.
Nea edi kan no, acetylene ne formaldehyde yɛ adwuma wɔ Cu-Bi catalyst anim wɔ 98kPa ne 80-95°C ma ɛyɛ 1,4-butynediol. Afei, wɔde hydrogen ma 1,4-butynediol ma ɛbɛyɛ 1,4-butenediol wɔ nnompe nickel a ɛma ɛyɛ adwuma wɔ 1.372-2.06MPa ne 50-60°C ase. Afei, wɔde Ni-Cu-Mn/Al2O3 yɛ hydrogenation foforo a ɛma nneɛma yɛ kɛse (13.7-20.6MPa, 120-140°C) ma ɛyɛ 1,4-butanediol. Bere a wɔde ion exchange resin ayi dade ions afi hɔ akyi no, wonya 1,4-butanediol a ɛho tew denam distillation ne ahotew so.