Separation of formic acid from dioxane by extractive distillatio

Details Separation of formic acid from dioxane by extractive distillatio Separation of formic acid from dioxane by extractive distillatio

1988-04-25

1989-02-21

Bascomb, Wilbur

Distillation: processes, separatory

Adding material to distilland except water or steam per se

At least two materials

203 56, 203 57, 203 60, 203 61, 203 62, 203 63, 203 64, 203 65, 549377, 562609, B01D 340, C07C 5144, C07D31912

Patent

active

048062090

ABSTRACT:
Dioxane cannot be completely removed from dioxane and formic acid mixtures by distillation because of the presence of the maximum azeotrope. Dioxane can be readily removed from dioxane - formic acid mixtures by extractive distillation in which the extractive agent is dimethylsulfoxide, either alone or admixed with certain high boiling organic compounds. Examples of effective agents are dimethylsulfoxide; DMSO and octanoic acid; DMSO, neodecanoic acid and methyl salicylate.

REFERENCES:
patent: 2954392 (1960-09-01), Rylander
patent: 4007095 (1977-02-01), Wolf et al.
patent: 4035271 (1977-07-01), Nemtsov et al.
patent: 4285881 (1981-08-01), Yang

Affiliated with

Also associated with

Rating

Separation of formic acid from dioxane by extractive distillatio does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Separation of formic acid from dioxane by extractive distillatio, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Separation of formic acid from dioxane by extractive distillatio will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1520106