| 摘要 |
PCT No. PCT/EP96/00207 Sec. 371 Date Oct. 30, 1998 Sec. 102(e) Date Oct. 30, 1998 PCT Filed Jan. 11, 1996 PCT Pub. No. WO96/24576 PCT Pub. Date Aug. 15, 1996A method for preparing aminoethylethanolamine, and/or hydroxyethylpiperazine is described. Reaction of ethylene oxide with ethylendiamine, piperazine, or a mixture of both produces these compounds. The process is integrated into a distillation plant for processing the amination product flow obtained from the reaction of monoethanolamine with ammonia |
