Process for the fractional separation of (meth)acrylic acid from

Details Process for the fractional separation of (meth)acrylic acid from Process for the fractional separation of (meth)acrylic acid from

1996-01-11

1997-06-10

Spear, Frank

Liquid purification or separation

Processes

Liquid/liquid solvent or colloidal extraction or diffusing...

210651, B01D 6116

Patent

active

056372221

ABSTRACT:
A process for the fractional separation of (meth)acrylic acid from a mixture containing (meth)acrylic acid, in which (meth)acrylic acid is tapped off from the rectifying column at a point above the level at which the liquid mixture containing (meth)acrylic acid enters the rectifying column, and at at least one point of the rectifying column the reflux liquid descending therein is tapped off from the rectifying column, oligomerized and/or polymerized (meth)acrylic acid present therein is separated and the reflux liquid is subsequently recycled to the rectifying column.

REFERENCES:
patent: 2147306 (1939-02-01), McCulloch
patent: 4147721 (1979-04-01), Leacock
patent: 4166774 (1979-09-01), Wagner
patent: 4317926 (1982-03-01), Sato et al.

Affiliated with

Also associated with

Rating

Process for the fractional separation of (meth)acrylic acid from does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for the fractional separation of (meth)acrylic acid from, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the fractional separation of (meth)acrylic acid from will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-762403