Process for the separation of residues of toluenediisocyanate pr

Details Process for the separation of residues of toluenediisocyanate pr Process for the separation of residues of toluenediisocyanate pr

1975-11-03

1978-02-28

Yudkoff, Norman

Concentrating evaporators

Processes

Involving waste liquid

159 25A, 202175, 260453SP, B01D 100

Patent

active

040765776

ABSTRACT:
A process for the separation of residues of toluenediisocyanate production from mixtures containing high boiling residues, toluenediisocyanate and solvent by evaporation in said residue at a minimum of 5.degree. C above the boiling point of the higher boiling of the components consisting of toluenediisocyanate and solvent. The mixture is fed into the central portion of an evaporator equipped with a helical agitator operative to provide a material flow moving centrally downwards and peripherally upwards.

REFERENCES:
patent: 2911429 (1959-11-01), Bloom et al.
patent: 3287387 (1966-11-01), Denton et al.
patent: 3508882 (1970-04-01), Farnell

Affiliated with

Also associated with

Rating

Process for the separation of residues of toluenediisocyanate pr 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 separation of residues of toluenediisocyanate pr, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the separation of residues of toluenediisocyanate pr will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1674611