ATE256094T1 - Verfahren zur trocknung von difluormethan - Google Patents

Verfahren zur trocknung von difluormethan

Info

Publication number: ATE256094T1
Authority: AT; Austria
Prior art keywords: degrees; atm; molecular sieve; temperature; less
Prior art date: 1998-12-08

Application number

AT99402479T

Other languages

English (en)

Inventor

Rene Bertocchio

Original Assignee

Atofina

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.)

1998-12-08

Filing date

1999-10-08

Publication date

2003-12-15

1999-10-08 Application filed by Atofina filed Critical Atofina

2003-12-15 Application granted granted Critical

2003-12-15 Publication of ATE256094T1 publication Critical patent/ATE256094T1/de

Links

RWRIWBAIICGTTQ-UHFFFAOYSA-N difluoromethane Chemical compound FCF RWRIWBAIICGTTQ-UHFFFAOYSA-N 0.000 title abstract 4
238000001035 drying Methods 0.000 title abstract 2
238000000034 method Methods 0.000 title abstract 2
239000002808 molecular sieve Substances 0.000 abstract 3
230000008929 regeneration Effects 0.000 abstract 3
238000011069 regeneration method Methods 0.000 abstract 3
URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 abstract 3
238000001179 sorption measurement Methods 0.000 abstract 2
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 2
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract 1
238000010438 heat treatment Methods 0.000 abstract 1
239000011261 inert gas Substances 0.000 abstract 1
238000004519 manufacturing process Methods 0.000 abstract 1
239000003507 refrigerant Substances 0.000 abstract 1
-1 refrigerant F32 Chemical compound 0.000 abstract 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/38—Separation; Purification; Stabilisation; Use of additives
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
- B01J20/30—Processes for preparing, regenerating, or reactivating
- B01J20/34—Regenerating or reactivating
- B01J20/3408—Regenerating or reactivating of aluminosilicate molecular sieves

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Analytical Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Drying Of Gases (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

AT99402479T 1998-12-08 1999-10-08 Verfahren zur trocknung von difluormethan ATE256094T1 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
FR9815469A FR2786766B1 (fr)	1998-12-08	1998-12-08	Procede de sechage du difluoromethane

Publications (1)

Publication Number	Publication Date
ATE256094T1 true ATE256094T1 (de)	2003-12-15

Family

ID=9533709

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT99402479T ATE256094T1 (de)	1998-12-08	1999-10-08	Verfahren zur trocknung von difluormethan

Country Status (10)

Country	Link
US (2)	US6866787B1 (de)
EP (1)	EP1008576B1 (de)
JP (1)	JP3758915B2 (de)
KR (1)	KR100346011B1 (de)
CN (1)	CN1150147C (de)
AT (1)	ATE256094T1 (de)
DE (1)	DE69913473T2 (de)
ES (1)	ES2213342T3 (de)
FR (1)	FR2786766B1 (de)
TW (1)	TW523502B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB0611742D0 (en) *	2006-06-14	2006-07-26	Ineos Fluor Holdings Ltd	Desiccants for fluids
CN111589185B (zh) *	2020-06-19	2024-11-19	江苏嘉宇特种装备股份有限公司	一种二氯甲烷干燥器
CN115197045A (zh) *	2022-03-19	2022-10-18	泰兴梅兰新材料有限公司	一种高纯度的二氟甲烷的制备方法及其制备装置
CN117379915A (zh) *	2023-09-25	2024-01-12	中船(邯郸)派瑞特种气体股份有限公司	一种可再生的卤代烃气体水分纯化装置及再生方法

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE209182C (de)
DD209182A1 (de) *	1982-07-05	1984-04-25	Bitterfeld Chemie	Verfahren zur trocknung von chlorkohlenwasserstoffen
US4663052A (en) *	1985-12-12	1987-05-05	Union Carbide Corporation	Drying process using chabazite-type adsorbents
FR2657870B1 (fr) *	1990-02-05	1992-05-15	Atochem	Procede de recuperation et de purification d'halogenoalcanes.
US5087778A (en) *	1990-04-10	1992-02-11	Allied-Signal Inc.	Regeneration of zeolites used for purifying 1,1,1,2-tetrafluoroethane
JP3213828B2 (ja)	1993-05-24	2001-10-02	ユニオン昭和株式会社	ＨＦＣ−３２、ＨＦＣ−１５２ａ用乾燥剤
US5347822A (en) *	1993-12-23	1994-09-20	Uop	Process for drying CH2 F2 refrigerant utilizing zeolite
JPH08173799A (ja) *	1994-10-28	1996-07-09	Tosoh Corp	乾燥剤、その製造方法及びその用途
US5574214A (en) *	1995-05-17	1996-11-12	Velcon Filters, Inc.	Apparatus for drying dielectric oil
JPH09151370A (ja)	1995-11-30	1997-06-10	Asahi Glass Co Ltd	混合冷媒およびこれを用いる冷却装置
US6020281A (en) *	1996-08-28	2000-02-01	Uop Llc	Process for drying CH2 F2 refrigerant utilizing zeolite
US5897686A (en) *	1997-10-22	1999-04-27	Air Products And Chemicals, Inc.	Synthesis gas drying and CO2 removal

1998
- 1998-12-08 FR FR9815469A patent/FR2786766B1/fr not_active Expired - Fee Related
1999
- 1999-10-08 DE DE69913473T patent/DE69913473T2/de not_active Expired - Lifetime
- 1999-10-08 AT AT99402479T patent/ATE256094T1/de not_active IP Right Cessation
- 1999-10-08 ES ES99402479T patent/ES2213342T3/es not_active Expired - Lifetime
- 1999-10-08 EP EP99402479A patent/EP1008576B1/de not_active Expired - Lifetime
- 1999-10-14 TW TW088117788A patent/TW523502B/zh not_active IP Right Cessation
- 1999-11-05 JP JP31450899A patent/JP3758915B2/ja not_active Expired - Fee Related
- 1999-11-08 KR KR1019990049213A patent/KR100346011B1/ko not_active Expired - Fee Related
- 1999-12-08 US US09/456,558 patent/US6866787B1/en not_active Expired - Lifetime
- 1999-12-08 CN CNB991277872A patent/CN1150147C/zh not_active Expired - Fee Related
2002
- 2002-10-23 US US10/278,587 patent/US7273512B2/en not_active Expired - Fee Related

Also Published As

Publication number	Publication date
KR20000047606A (ko)	2000-07-25
EP1008576B1 (de)	2003-12-10
DE69913473T2 (de)	2004-10-28
DE69913473D1 (de)	2004-01-22
US6866787B1 (en)	2005-03-15
US7273512B2 (en)	2007-09-25
JP3758915B2 (ja)	2006-03-22
ES2213342T3 (es)	2004-08-16
CN1150147C (zh)	2004-05-19
FR2786766B1 (fr)	2001-01-26
JP2000169405A (ja)	2000-06-20
US20030057157A1 (en)	2003-03-27
EP1008576A1 (de)	2000-06-14
CN1266046A (zh)	2000-09-13
FR2786766A1 (fr)	2000-06-09
KR100346011B1 (ko)	2002-07-24
TW523502B (en)	2003-03-11

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Legal Events

Date	Code	Title	Description
2004-06-15	RER	Ceased as to paragraph 5 lit. 3 law introducing patent treaties