NL8101330A - Inrichting om vloeibare, thermische niet stabiele stofmengsels langs thermische weg te scheiden en in het bijzonder om caprolactam te scheiden van overwegend zure verontreinigingen of van neutrale derivaten van dergelijke verontreinigingen. - Google Patents

Inrichting om vloeibare, thermische niet stabiele stofmengsels langs thermische weg te scheiden en in het bijzonder om caprolactam te scheiden van overwegend zure verontreinigingen of van neutrale derivaten van dergelijke verontreinigingen. Download PDF

Info

Publication number: NL8101330A
Authority: NL; Netherlands
Prior art keywords: distillation; unit; caprolactam; thin; fractionation
Prior art date: 1980-03-25

Application number

NL8101330A

Other languages

English (en)

Dutch (nl)

Original Assignee

Luwa 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.)

1980-03-25

Filing date

1981-03-18

Publication date

1981-10-16

1981-03-18 Application filed by Luwa Ag filed Critical Luwa Ag

1981-10-16 Publication of NL8101330A publication Critical patent/NL8101330A/nl

Links

JBKVHLHDHHXQEQ-UHFFFAOYSA-N epsilon-caprolactam Chemical compound O=C1CCCCCN1 JBKVHLHDHHXQEQ-UHFFFAOYSA-N 0.000 title claims description 46
239000000203 mixture Substances 0.000 title claims description 10
239000000126 substance Substances 0.000 title claims description 8
239000007788 liquid Substances 0.000 title claims description 7
230000007935 neutral effect Effects 0.000 title claims description 5
239000002253 acid Substances 0.000 title 1
239000003344 environmental pollutant Substances 0.000 title 1
238000004821 distillation Methods 0.000 claims description 28
238000000034 method Methods 0.000 claims description 21
238000005194 fractionation Methods 0.000 claims description 19
239000012535 impurity Substances 0.000 claims description 18
238000000926 separation method Methods 0.000 claims description 16
150000001875 compounds Chemical class 0.000 claims description 8
238000009833 condensation Methods 0.000 claims description 5
230000005494 condensation Effects 0.000 claims description 5
230000002378 acidificating effect Effects 0.000 claims description 4
239000000463 material Substances 0.000 claims description 3
239000002904 solvent Substances 0.000 claims description 3
HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims 3
230000009969 flowable effect Effects 0.000 claims 1
239000000047 product Substances 0.000 description 13
238000000746 purification Methods 0.000 description 5
150000001408 amides Chemical class 0.000 description 4
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
239000004952 Polyamide Substances 0.000 description 3
238000001704 evaporation Methods 0.000 description 3
230000008020 evaporation Effects 0.000 description 3
229920002647 polyamide Polymers 0.000 description 3
239000006227 byproduct Substances 0.000 description 2
239000007795 chemical reaction product Substances 0.000 description 2
NZNMSOFKMUBTKW-UHFFFAOYSA-N cyclohexanecarboxylic acid Chemical compound OC(=O)C1CCCCC1 NZNMSOFKMUBTKW-UHFFFAOYSA-N 0.000 description 2
239000012467 final product Substances 0.000 description 2
239000002689 soil Substances 0.000 description 2
238000009835 boiling Methods 0.000 description 1
238000004140 cleaning Methods 0.000 description 1
239000000428 dust Substances 0.000 description 1
239000000835 fiber Substances 0.000 description 1
230000000737 periodic effect Effects 0.000 description 1
238000002360 preparation method Methods 0.000 description 1
238000010992 reflux Methods 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
239000007858 starting material Substances 0.000 description 1
239000012209 synthetic fiber Substances 0.000 description 1
229920002994 synthetic fiber Polymers 0.000 description 1

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)

NL8101330A 1980-03-25 1981-03-18 Inrichting om vloeibare, thermische niet stabiele stofmengsels langs thermische weg te scheiden en in het bijzonder om caprolactam te scheiden van overwegend zure verontreinigingen of van neutrale derivaten van dergelijke verontreinigingen. NL8101330A (nl)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
IT8020902A IT8020902A0 (it)	1980-03-25	1980-03-25	Procedimento ed apparecchiatura per la separazione continua per via termica di miscele liquide dicomposti termolabili.
IT2090280		1980-03-25

Publications (1)

Publication Number	Publication Date
NL8101330A true NL8101330A (nl)	1981-10-16

Family

ID=11173792

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL8101330A NL8101330A (nl)	1980-03-25	1981-03-18	Inrichting om vloeibare, thermische niet stabiele stofmengsels langs thermische weg te scheiden en in het bijzonder om caprolactam te scheiden van overwegend zure verontreinigingen of van neutrale derivaten van dergelijke verontreinigingen.

Country Status (8)

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

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE3338488A1 (de) *	1982-10-29	1984-05-03	Basf Ag, 6700 Ludwigshafen	Verfahren zur gewinnung von temperaturempfindlichen produkten durch thermisch schonende destillation mittels eines mit einer destillationskolonne verbundenen duennschichtverdampfers und eine anordnung zur durchfuehrung des verfahrens
FR2540512B1 (fr) *	1983-02-07	1988-09-09	Martel Jean Pierre	Procede et installation polyvalente de distillerie avec concentration d'effluents ou de liquides thermosensibles
DE4407222A1 (de) *	1994-03-04	1995-09-07	Basf Ag	Verfahren zur Rückgewinnung von Caprolactam aus Oliogo- und/oder Polymeren des Caprolactams
FR2809395B1 (fr)	2000-05-26	2002-07-19	Rhodia Polyamide Intermediates	Procede de purification de lactames
JP2003519121A (ja)	2000-12-28	2003-06-17	ハー・ルンドベック・アクチエゼルスカベット	純粋なシタロプラムの製造方法
BRPI0707434A2 (pt)	2006-02-02	2011-05-03	Coty S A S	dispositivo para pulverização, dispositivo para dispensar fluido, e, método para fornecer fluido a partir de um dispensador de fluido
USD666491S1 (en)	2011-07-15	2012-09-04	S.C. Johnson & Son, Inc.	Overcap
CN111265902B (zh) *	2020-03-09	2023-04-21	内蒙古兰格生物科技有限公司	连续精馏装置
US12508519B2 (en)	2020-11-23	2025-12-30	Covestro Deutschland Ag	Distillation unit and method for separating a liquid substance mixture into two to six liquid product flows with 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 (it) *	1979-02-28	1986-01-20	Snia Viscosa	Internazionale brevetti s.r.l.via brentano 2 milano

1980
- 1980-03-25 IT IT8020902A patent/IT8020902A0/it unknown
1981
- 1981-02-20 DE DE19813106350 patent/DE3106350A1/de not_active Withdrawn
- 1981-03-18 NL NL8101330A patent/NL8101330A/nl not_active Application Discontinuation
- 1981-03-23 FR FR8105743A patent/FR2479217A1/fr active Granted
- 1981-03-24 BR BR8101743A patent/BR8101743A/pt unknown
- 1981-03-24 GB GB8109182A patent/GB2072025B/en not_active Expired
- 1981-03-24 BE BE0/204232A patent/BE888091A/fr not_active IP Right Cessation
- 1981-03-25 JP JP4384181A patent/JPS5716860A/ja active Pending

Also Published As

Publication number	Publication date
IT8020902A0 (it)	1980-03-25
BE888091A (fr)	1981-09-24
DE3106350A1 (de)	1981-12-24
GB2072025A (en)	1981-09-30
GB2072025B (en)	1983-11-30
FR2479217A1 (fr)	1981-10-02
BR8101743A (pt)	1981-09-29
JPS5716860A (en)	1982-01-28
FR2479217B1 (fr)	1984-06-08

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Legal Events

Date	Code	Title	Description
1985-01-01	A85	Still pending on 85-01-01
1985-11-01	BV	The patent application has lapsed