DK361975A - PROCEDURE FOR THE PREPARATION OF A DISTILLATE-FREE SUMP PRODUCT IN THIN LAYER EVAPORATORS - Google Patents

PROCEDURE FOR THE PREPARATION OF A DISTILLATE-FREE SUMP PRODUCT IN THIN LAYER EVAPORATORS

Info

Publication number
DK361975A
DK361975A DK361975A DK361975A DK361975A DK 361975 A DK361975 A DK 361975A DK 361975 A DK361975 A DK 361975A DK 361975 A DK361975 A DK 361975A DK 361975 A DK361975 A DK 361975A
Authority
DK
Denmark
Prior art keywords
distillate
procedure
preparation
thin layer
sump product
Prior art date
Application number
DK361975A
Other languages
Danish (da)
Inventor
H W Brandt
L Deibele
K Toepffer
Steinacker
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 DK361975A publication Critical patent/DK361975A/en

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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
DK361975A 1974-08-09 1975-08-08 PROCEDURE FOR THE PREPARATION OF A DISTILLATE-FREE SUMP PRODUCT IN THIN LAYER EVAPORATORS DK361975A (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
DK361975A true DK361975A (en) 1976-02-10

Family

ID=5922790

Family Applications (1)

Application Number Title Priority Date Filing Date
DK361975A DK361975A (en) 1974-08-09 1975-08-08 PROCEDURE FOR THE PREPARATION OF A DISTILLATE-FREE SUMP PRODUCT IN THIN LAYER EVAPORATORS

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)

Families Citing this family (3)

* 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
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
GB1511315A (en) 1978-05-17
NL7509436A (en) 1976-02-11
DE2438290B2 (en) 1976-08-26
ZA755112B (en) 1976-07-28
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

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