KR960003802A - 1,1,1,2-테트라플루오로에탄(HFC-134a) 합성용 촉매의 제조방법 - Google Patents
1,1,1,2-테트라플루오로에탄(HFC-134a) 합성용 촉매의 제조방법 Download PDFInfo
- Publication number
- KR960003802A KR960003802A KR1019940016626A KR19940016626A KR960003802A KR 960003802 A KR960003802 A KR 960003802A KR 1019940016626 A KR1019940016626 A KR 1019940016626A KR 19940016626 A KR19940016626 A KR 19940016626A KR 960003802 A KR960003802 A KR 960003802A
- Authority
- KR
- South Korea
- Prior art keywords
- tetrafluoroethane
- hfc
- catalyst
- synthesizing
- preparing
- Prior art date
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Classifications
-
- 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
- B01J37/00—Processes, in general, for preparing catalysts; Processes, in general, for activation of catalysts
- B01J37/0009—Use of binding agents; Moulding; Pressing; Powdering; Granulating; Addition of materials ameliorating the mechanical properties of the product catalyst
-
- 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
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/06—Halogens; Compounds thereof
- B01J27/138—Halogens; Compounds thereof with alkaline earth metals, magnesium, beryllium, zinc, cadmium or mercury
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Catalysts (AREA)
Abstract
본 발명에서는 마그네슘 크로메이트(MgCrO4) 또는 마그네슘 디크로메이트(MgCr2O7)를 불화수소(HF) 및 에탄(C2H5OH)과 반응시켜 얻은 생성물을 소성함으로써, 1, 1, 1, 2-테트라플루오로에탄(HFC-134a, CF3CH2F)을 합성하는 반응에 효율적이며 비활성화 속도가 현저히 저하된 촉매를 제조하는 방법이 제공된다.
Description
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
Claims (4)
- 마그네슘 크로메이트(MgCrO4) 또는 마그네슘 디크로메이트(MgCr2O7)를 HF 및 에탄올과 반응시키고, 반응 생성물을 여과 및 건조하여 소성시키는 것을 특징으로 하는 1, 1, 1, 2-테트라플루오로에탄(HFC-134a)의 합성 반응용 촉매의 제조 방법.
- 제1항에 있어서, MgF2를 첨가하는 방법.
- 제2항에 있어서, MgCrO4또는 MgCr2O7에 대한 MgF2의 몰비가 5 이하인 방법.
- 제1항 내지 제3항 중 어느 한 항에 따라 제조된 촉매를 사용함을 특징으로 하여 1, 1, 1, 2-테트라플루오로에탄(HFC-134a)을 제조하는 방법.※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940016626A KR0131047B1 (ko) | 1994-07-11 | 1994-07-11 | 1, 1, 1, 2-테트라플루오로에탄(HFC-134a) 합성용 촉매의 제조 방법 |
JP7013645A JP2675533B2 (ja) | 1994-07-11 | 1995-01-31 | 1,1,1,2−テトラフルオロエタン及びその合成用触媒の製造方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019940016626A KR0131047B1 (ko) | 1994-07-11 | 1994-07-11 | 1, 1, 1, 2-테트라플루오로에탄(HFC-134a) 합성용 촉매의 제조 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR960003802A true KR960003802A (ko) | 1996-02-23 |
KR0131047B1 KR0131047B1 (ko) | 1998-04-14 |
Family
ID=19387721
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
KR1019940016626A KR0131047B1 (ko) | 1994-07-11 | 1994-07-11 | 1, 1, 1, 2-테트라플루오로에탄(HFC-134a) 합성용 촉매의 제조 방법 |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP2675533B2 (ko) |
KR (1) | KR0131047B1 (ko) |
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1994
- 1994-07-11 KR KR1019940016626A patent/KR0131047B1/ko not_active IP Right Cessation
-
1995
- 1995-01-31 JP JP7013645A patent/JP2675533B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JP2675533B2 (ja) | 1997-11-12 |
KR0131047B1 (ko) | 1998-04-14 |
JPH0827045A (ja) | 1996-01-30 |
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