Solvent recovery from solvent process material mixtures

Distillation: processes – separatory – Vaporization zone under positive pressure or vacuum – Including the addition of water or steam

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

203 88, 203 97, 203 98, 203DIG25, 208349, 208358, 208361, 208363, 208367, 585800, B01D 306, B01D 338, C10G 700

Patent

active

046665625

ABSTRACT:
A method of recovering light organic solvent from a liquid mixture containing the solvent and a process material, such as asphaltenes or coal liquefaction products. The solvent-process material mixture is treated in a solvent separation zone to separate a first vapor phase rich in solvent and a first liquid phase rich in process material. At least a portion of the liquid in the solvent separation zone is transferred to a mixing zone, where the liquid is intimately contacted with steam, under shearing conditions. The steam-liquid phase mixture thus produced is returned to the solvent separation zone and treated to separate a second vapor phase, rich in steam and solvent, and a second liquid phase, rich in process material and substantially depleted of solvent. Solvent is recovered from the first and second vapor phases.

REFERENCES:
patent: 2166160 (1939-07-01), King
patent: 2196878 (1940-04-01), Stover
patent: 2242173 (1941-05-01), Buckley
patent: 2391576 (1945-12-01), Katz et al.
patent: 2391607 (1945-12-01), Whaley
patent: 2596785 (1952-05-01), Nelly et al.
patent: 2678907 (1954-05-01), Baldwin et al.
patent: 2940920 (1960-06-01), Garwin
patent: 3565787 (1971-02-01), Bauer
patent: 3607716 (1971-09-01), Roach
patent: 3607717 (1971-09-01), Roach
patent: 3763016 (1973-10-01), Hair
patent: 3969196 (1976-07-01), Zosel
patent: 4279739 (1981-07-01), Roach
patent: 4315815 (1982-02-01), Gearhart
patent: 4415443 (1983-11-01), Murphy

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Solvent recovery from solvent process material mixtures does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Solvent recovery from solvent process material mixtures, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Solvent recovery from solvent process material mixtures will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1562631

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.