GB1511315A - Process for the separation of distillation sump products - Google Patents

Process for the separation of distillation sump products

Info

Publication number
GB1511315A
GB1511315A GB33011/75A GB3301175A GB1511315A GB 1511315 A GB1511315 A GB 1511315A GB 33011/75 A GB33011/75 A GB 33011/75A GB 3301175 A GB3301175 A GB 3301175A GB 1511315 A GB1511315 A GB 1511315A
Authority
GB
United Kingdom
Prior art keywords
separation
vapour
distillation sump
aug
introduction
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB33011/75A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Bayer AG filed Critical Bayer AG
Publication of GB1511315A publication Critical patent/GB1511315A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
    • C07D295/02—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms containing only hydrogen and carbon atoms in addition to the ring hetero elements
    • C07D295/023—Preparation; Separation; Stabilisation; Use of additives
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D1/00—Evaporating
    • B01D1/22—Evaporating by bringing a thin layer of the liquid into contact with a heated surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/10—Vacuum distillation
    • B01D3/108—Vacuum distillation using a vacuum lock for removing the concentrate during distillation
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D3/00—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping
    • B01D3/34—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances
    • B01D3/343—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances the substance being a gas
    • B01D3/346—Distillation or related exchange processes in which liquids are contacted with gaseous media, e.g. stripping with one or more auxiliary substances the substance being a gas the gas being used for removing vapours, e.g. transport gas

Abstract

1511315 Thin layer evaporator BAYER AG 7 Aug 1975 [9 Aug 1974] 33011/75 Heading BIB A thin-layer evaporator comprises a spray ring 6 for the introduction of solvent to dissolve sump product, and, above this, a further spray ring. 4 for the introduction of vapour, e.g. steam, to form a vapour lock to isolate the distillate vapour from the solvent.
GB33011/75A 1974-08-09 1975-08-07 Process for the separation of distillation sump products Expired GB1511315A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2438290A DE2438290C3 (en) 1974-08-09 1974-08-09 Process for obtaining distillate-free bottom product in thin-film evaporators

Publications (1)

Publication Number Publication Date
GB1511315A true GB1511315A (en) 1978-05-17

Family

ID=5922790

Family Applications (1)

Application Number Title Priority Date Filing Date
GB33011/75A Expired GB1511315A (en) 1974-08-09 1975-08-07 Process for the separation of distillation sump products

Country Status (13)

Country Link
JP (1) JPS5142077A (en)
BE (1) BE832214A (en)
BR (1) BR7505052A (en)
DE (1) DE2438290C3 (en)
DK (1) DK361975A (en)
ES (1) ES440101A1 (en)
FR (1) FR2281147A1 (en)
GB (1) GB1511315A (en)
IE (1) IE41447B1 (en)
IN (1) IN141301B (en)
LU (1) LU73174A1 (en)
NL (1) NL7509436A (en)
ZA (1) ZA755112B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116983687A (en) * 2023-09-21 2023-11-03 山西宝路加交通科技有限公司 Production equipment and process of polycarboxylate superplasticizer

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL106581A (en) * 1993-08-04 2000-08-31 Yissum Res Dev Co Removal of cholesterol from edibles
DE19706599C1 (en) * 1997-02-20 1998-09-17 Basf Coatings Ag Solvent evaporator

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116983687A (en) * 2023-09-21 2023-11-03 山西宝路加交通科技有限公司 Production equipment and process of polycarboxylate superplasticizer
CN116983687B (en) * 2023-09-21 2023-12-29 山西宝路加交通科技有限公司 Production equipment and process of polycarboxylate superplasticizer

Also Published As

Publication number Publication date
BE832214A (en) 1976-02-09
BR7505052A (en) 1976-08-03
FR2281147A1 (en) 1976-03-05
LU73174A1 (en) 1976-07-01
NL7509436A (en) 1976-02-11
DE2438290B2 (en) 1976-08-26
ZA755112B (en) 1976-07-28
DK361975A (en) 1976-02-10
IE41447B1 (en) 1980-01-02
IE41447L (en) 1976-02-09
IN141301B (en) 1977-02-12
DE2438290C3 (en) 1979-06-28
JPS5142077A (en) 1976-04-09
ES440101A1 (en) 1977-06-01
DE2438290A1 (en) 1976-02-19

Similar Documents

Publication Publication Date Title
CA968732A (en) Process for the complete reclamation of valuable products from solid waste
YU39602B (en) Process for the conversion of beclomethasone 17,21-di-propionate the crystals whereof are liable to growth in an aerosol propellent into a from showing no such growth tendency
CA998887A (en) Nozzle for chemical vapor deposition of coatings
CH533425A (en) Process for the recovery of aromatic constituents from extracts of plant products
GB1511315A (en) Process for the separation of distillation sump products
YU34311B (en) Process for the extractive distillation of conjugated dienes
JPS5217404A (en) Process for separation of butanediol
CA979586A (en) Process for the preparation of shaped articles from polyamides
GB1393170A (en) Process for the production of film-forming condensation products
GB1340370A (en) Process for the purification of o-hydroxydiphenyl
GB1544227A (en) Vacuum plant for example vacuum vapour deposition plant
ES478530A1 (en) Prostacyclin analogs, process and intermediates for their preparation and their use as medicines.
GB1520055A (en) Process for continuous thermal separation of organic isocyanates from liquid distillation residues
JPS5219610A (en) Process for preparation of high purity butanediol
GB1342953A (en) Process for the production of cyclopentadiene from dicyclopeni dadiene
AU470960B2 (en) PROCESS FORTHE PRODUCTION OF HIGH-PURITY AROMATICS BY LIQUID-LIQUID EXTRACTION and/or EXTRACTIVE DISTILLATION FROM HYDROCARBON MIXTURES
CA973563A (en) Separation of dioxin from dioxin-contaminated 2,4,5-t
ES398922A1 (en) 4-acetic-6,8a-ethano-1,1,6-trimethyl-1,2,3,5,6,7,8,8a-octahydronaphthalene, process for making same and compositions containing same
GB1421934A (en) Propylene oxide recovery
CA1023760A (en) Process for the separation of soluble metal-containing compounds from organic solutions
JPS5227499A (en) Process for recovery of polyurethane resins
JPS5212987A (en) Manufacture of na glutamate
JPS53124252A (en) Preparation of 4,6-dine-3-oxosteroids
JPS5225724A (en) Process for preparation of pure m-alkyltoluene
GB1375320A (en)

Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee