JPS5716860A - Method and apparatus for continuously thermally separating thermally unsatble liquid mixture,particularly caprolactam from acidic impurities or nuetral derivatives mainly - Google Patents

Method and apparatus for continuously thermally separating thermally unsatble liquid mixture,particularly caprolactam from acidic impurities or nuetral derivatives mainly

Info

Publication number
JPS5716860A
JPS5716860A JP4384181A JP4384181A JPS5716860A JP S5716860 A JPS5716860 A JP S5716860A JP 4384181 A JP4384181 A JP 4384181A JP 4384181 A JP4384181 A JP 4384181A JP S5716860 A JPS5716860 A JP S5716860A
Authority
JP
Japan
Prior art keywords
thermally
unsatble
nuetral
liquid mixture
acidic impurities
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.)
Pending
Application number
JP4384181A
Other languages
Japanese (ja)
Inventor
Guruutaa Yohan
Banetsutei Jiobanni
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.)
Luwa Ltd
Original Assignee
Luwa Ltd
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 Luwa Ltd filed Critical Luwa Ltd
Publication of JPS5716860A publication Critical patent/JPS5716860A/en
Pending legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D201/00—Preparation, separation, purification or stabilisation of unsubstituted lactams
    • C07D201/16—Separation or purification
    • 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
    • B01D3/14—Fractional distillation or use of a fractionation or rectification column
    • B01D3/143—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step
    • B01D3/148—Fractional distillation or use of a fractionation or rectification column by two or more of a fractionation, separation or rectification step in combination with at least one evaporator

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Vaporization, Distillation, Condensation, Sublimation, And Cold Traps (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Other In-Based Heterocyclic Compounds (AREA)
JP4384181A 1980-03-25 1981-03-25 Method and apparatus for continuously thermally separating thermally unsatble liquid mixture,particularly caprolactam from acidic impurities or nuetral derivatives mainly Pending JPS5716860A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT8020902A IT8020902A0 (en) 1980-03-25 1980-03-25 PROCEDURE AND EQUIPMENT FOR THE CONTINUOUS THERMAL SEPARATION OF LIQUID MIXTURES OF THERMOLABILE COMPOUNDS.

Publications (1)

Publication Number Publication Date
JPS5716860A true JPS5716860A (en) 1982-01-28

Family

ID=11173792

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4384181A Pending JPS5716860A (en) 1980-03-25 1981-03-25 Method and apparatus for continuously thermally separating thermally unsatble liquid mixture,particularly caprolactam from acidic impurities or nuetral derivatives mainly

Country Status (8)

Country Link
JP (1) JPS5716860A (en)
BE (1) BE888091A (en)
BR (1) BR8101743A (en)
DE (1) DE3106350A1 (en)
FR (1) FR2479217A1 (en)
GB (1) GB2072025B (en)
IT (1) IT8020902A0 (en)
NL (1) NL8101330A (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3338488A1 (en) * 1982-10-29 1984-05-03 Basf Ag, 6700 Ludwigshafen Process for recovering temperature-sensitive products by thermally mild distillation using a thin layer evaporator connected to a distillation column and an arrangement for carrying out the process
FR2540512B1 (en) * 1983-02-07 1988-09-09 Martel Jean Pierre PROCESS AND VERSATILE DISTILLERY PLANT WITH CONCENTRATION OF EFFLUENTS OR THERMOSENSITIVE LIQUIDS
DE4407222A1 (en) * 1994-03-04 1995-09-07 Basf Ag Process for the recovery of caprolactam from oligo and / or polymers of caprolactam
FR2809395B1 (en) * 2000-05-26 2002-07-19 Rhodia Polyamide Intermediates LACTAM PURIFICATION PROCESS
SK284418B6 (en) 2000-12-28 2005-04-01 H. Lundbeck A/S Process for preparation of citalopram
SG169379A1 (en) 2006-02-02 2011-03-30 Coty S A S Enclosure for a pressurized spray container
USD666491S1 (en) 2011-07-15 2012-09-04 S.C. Johnson & Son, Inc. Overcap
CN111265902B (en) * 2020-03-09 2023-04-21 内蒙古兰格生物科技有限公司 Continuous rectifying device
CN116528956A (en) * 2020-11-23 2023-08-01 科思创德国股份有限公司 Distillation unit and method for separating a liquid substance mixture into 2 to 6 liquid product streams having different compositions

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2035859A1 (en) * 1969-09-09 1971-03-11 VEB Chemieanlagenbau Erfurt Rudis leben, χ 5211 Rudisieben Purification of thermally unstable mater- - ials eg caprolactam
IT1113404B (en) * 1979-02-28 1986-01-20 Snia Viscosa INTERNATIONAL PATENTS S.R.L. VIA BRENTANO 2 MILAN

Also Published As

Publication number Publication date
FR2479217B1 (en) 1984-06-08
NL8101330A (en) 1981-10-16
IT8020902A0 (en) 1980-03-25
BE888091A (en) 1981-09-24
FR2479217A1 (en) 1981-10-02
DE3106350A1 (en) 1981-12-24
BR8101743A (en) 1981-09-29
GB2072025A (en) 1981-09-30
GB2072025B (en) 1983-11-30

Similar Documents

Publication Publication Date Title
ZA823645B (en) Method and apparatus for the sorption and separation of dissolved constituents
JPS5710313A (en) Method and apparatus for separating gas
IL67518A0 (en) Gas separation apparatus
IL68847A (en) Process for the separation of constituents of gas/gas liquid/liquid,or liquid/solid mixtures or solutions
JPS55138034A (en) Apparatus for purifying molten aluminum
IL68672A (en) Process and apparatus for trans-membrane distillation
DE3174291D1 (en) Apparatus for the identification of objects such as bottles
GB2104029B (en) Apparatus for separating containers
DE3269871D1 (en) Method and apparatus for purifying liquid
EP0415229A3 (en) An apparatus for gas/liquid separation
GB2109797B (en) Method for purifying an epoxidation product
JPS5716860A (en) Method and apparatus for continuously thermally separating thermally unsatble liquid mixture,particularly caprolactam from acidic impurities or nuetral derivatives mainly
PH16659A (en) Method and apparatus for the continuous separation of fructose from glucose
EP0092898A3 (en) Process for remelting polyamides
GB2088383B (en) Process for purifying and separating vitamin b12
JPS57167706A (en) Electrodialytic refining method
ZA812346B (en) Apparatus for refining molten aluminum
DE3269252D1 (en) Process for the separation of mixtures from insulin, derivatives of insulin and, if required, impurities
JPS57136911A (en) Method and device for separating liquid phase and gas phase from two phase mixture
JPS57147435A (en) Method of separating gas or liquid
GB2122508B (en) Apparatus for separating gases
JPS5773385A (en) Gas liquifying or chilling apparatus
GB2091779B (en) Apparatus for removing gas from landfill
JPS5292170A (en) System for separating liquid drips or solid particles from gases
BG37285A1 (en) Method for separating chlorbenzenes from mixtures containing them