DD232840A5 - Verfahren zur verbesserung der wirksamkeit von silbertraegerkatalysatoren - Google Patents

Verfahren zur verbesserung der wirksamkeit von silbertraegerkatalysatoren Download PDF

Info

Publication number: DD232840A5
Authority: DD; German Democratic Republic
Prior art keywords: cesium; catalyst; silver; impregnating solution; solvent
Prior art date: 1984-07-20

Application number

DD85278734A

Other languages

German (de)

English (en)

Inventor

Siegfried Rebsdat

Sigmund Mayer

Josef Alfranseder

Herbert Kaulich

Iwo Schaffelhofer

Original Assignee

Hoechst 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.)

1984-07-20

Filing date

1985-07-18

Publication date

1986-02-12

1985-07-18 Application filed by Hoechst Ag filed Critical Hoechst Ag

1986-02-12 Publication of DD232840A5 publication Critical patent/DD232840A5/de

Links

239000003054 catalyst Substances 0.000 title claims abstract description 113
BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 title claims abstract description 42
229910052709 silver Inorganic materials 0.000 title claims abstract description 42
239000004332 silver Substances 0.000 title claims abstract description 42
238000000034 method Methods 0.000 title claims abstract description 36
229910052792 caesium Inorganic materials 0.000 claims abstract description 89
TVFDJXOCXUVLDH-UHFFFAOYSA-N caesium atom Chemical compound [Cs] TVFDJXOCXUVLDH-UHFFFAOYSA-N 0.000 claims abstract description 85
-1 aliphatic saturated alcohol Chemical class 0.000 claims abstract description 29
HUCVOHYBFXVBRW-UHFFFAOYSA-M caesium hydroxide Inorganic materials [OH-].[Cs+] HUCVOHYBFXVBRW-UHFFFAOYSA-M 0.000 claims abstract description 26
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
MFGOFGRYDNHJTA-UHFFFAOYSA-N 2-amino-1-(2-fluorophenyl)ethanol Chemical compound NCC(O)C1=CC=CC=C1F MFGOFGRYDNHJTA-UHFFFAOYSA-N 0.000 claims abstract description 19
239000002904 solvent Substances 0.000 claims abstract description 19
VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 claims abstract description 16
239000005977 Ethylene Substances 0.000 claims abstract description 16
IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims abstract description 16
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 7
238000004519 manufacturing process Methods 0.000 claims abstract description 7
239000001301 oxygen Substances 0.000 claims abstract description 7
229910052760 oxygen Inorganic materials 0.000 claims abstract description 7
239000000203 mixture Substances 0.000 claims abstract description 6
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical group OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 48
238000005470 impregnation Methods 0.000 claims description 31
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 20
KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 12
BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 claims description 6
150000001875 compounds Chemical class 0.000 claims description 4
QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 3
150000001298 alcohols Chemical class 0.000 claims description 3
125000001931 aliphatic group Chemical group 0.000 claims description 3
LMHHRCOWPQNFTF-UHFFFAOYSA-N s-propan-2-yl azepane-1-carbothioate Chemical compound CC(C)SC(=O)N1CCCCCC1 LMHHRCOWPQNFTF-UHFFFAOYSA-N 0.000 claims description 3
229920006395 saturated elastomer Polymers 0.000 claims description 3
239000004971 Cross linker Substances 0.000 abstract 1
238000004132 cross linking Methods 0.000 abstract 1
238000006243 chemical reaction Methods 0.000 description 12
NLSCHDZTHVNDCP-UHFFFAOYSA-N caesium nitrate Chemical compound [Cs+].[O-][N+]([O-])=O NLSCHDZTHVNDCP-UHFFFAOYSA-N 0.000 description 10
230000000694 effects Effects 0.000 description 9
FLJPGEWQYJVDPF-UHFFFAOYSA-L caesium sulfate Chemical compound [Cs+].[Cs+].[O-]S([O-])(=O)=O FLJPGEWQYJVDPF-UHFFFAOYSA-L 0.000 description 8
239000000463 material Substances 0.000 description 8
239000007789 gas Substances 0.000 description 7
239000007788 liquid Substances 0.000 description 7
230000003647 oxidation Effects 0.000 description 7
238000007254 oxidation reaction Methods 0.000 description 7
229910052701 rubidium Inorganic materials 0.000 description 7
IGLNJRXAVVLDKE-UHFFFAOYSA-N rubidium atom Chemical compound [Rb] IGLNJRXAVVLDKE-UHFFFAOYSA-N 0.000 description 7
CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 6
230000000052 comparative effect Effects 0.000 description 6
150000003298 rubidium compounds Chemical class 0.000 description 6
VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 5
238000001035 drying Methods 0.000 description 5
238000010438 heat treatment Methods 0.000 description 5
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 4
ZOAIGCHJWKDIPJ-UHFFFAOYSA-M caesium acetate Chemical compound [Cs+].CC([O-])=O ZOAIGCHJWKDIPJ-UHFFFAOYSA-M 0.000 description 4
ZMCUDHNSHCRDBT-UHFFFAOYSA-M caesium bicarbonate Chemical compound [Cs+].OC([O-])=O ZMCUDHNSHCRDBT-UHFFFAOYSA-M 0.000 description 4
FJDQFPXHSGXQBY-UHFFFAOYSA-L caesium carbonate Chemical compound [Cs+].[Cs+].[O-]C([O-])=O FJDQFPXHSGXQBY-UHFFFAOYSA-L 0.000 description 4
229910000024 caesium carbonate Inorganic materials 0.000 description 4
ATZQZZAXOPPAAQ-UHFFFAOYSA-M caesium formate Chemical compound [Cs+].[O-]C=O ATZQZZAXOPPAAQ-UHFFFAOYSA-M 0.000 description 4
238000001816 cooling Methods 0.000 description 4
HEQUOWMMDQTGCX-UHFFFAOYSA-L dicesium;oxalate Chemical compound [Cs+].[Cs+].[O-]C(=O)C([O-])=O HEQUOWMMDQTGCX-UHFFFAOYSA-L 0.000 description 4
238000002360 preparation method Methods 0.000 description 4
229910001220 stainless steel Inorganic materials 0.000 description 4
239000010935 stainless steel Substances 0.000 description 4
CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 description 3
239000001569 carbon dioxide Substances 0.000 description 3
229910002092 carbon dioxide Inorganic materials 0.000 description 3
230000007423 decrease Effects 0.000 description 3
239000012153 distilled water Substances 0.000 description 3
239000011148 porous material Substances 0.000 description 3
229910052700 potassium Inorganic materials 0.000 description 3
239000011591 potassium Substances 0.000 description 3
DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
239000006227 byproduct Substances 0.000 description 2
AIYUHDOJVYHVIT-UHFFFAOYSA-M caesium chloride Chemical compound [Cl-].[Cs+] AIYUHDOJVYHVIT-UHFFFAOYSA-M 0.000 description 2
229910052799 carbon Inorganic materials 0.000 description 2
238000011049 filling Methods 0.000 description 2
239000011261 inert gas Substances 0.000 description 2
229910052744 lithium Inorganic materials 0.000 description 2
229910052751 metal Inorganic materials 0.000 description 2
239000002184 metal Substances 0.000 description 2
239000002994 raw material Substances 0.000 description 2
239000000377 silicon dioxide Substances 0.000 description 2
229910052708 sodium Inorganic materials 0.000 description 2
239000011734 sodium Substances 0.000 description 2
229910018072 Al 2 O 3 Inorganic materials 0.000 description 1
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
229910001065 Chromium-vanadium steel Inorganic materials 0.000 description 1
BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 description 1
239000003570 air Substances 0.000 description 1
238000004458 analytical method Methods 0.000 description 1
150000001450 anions Chemical class 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
238000009835 boiling Methods 0.000 description 1
KOPBYBDAPCDYFK-UHFFFAOYSA-N caesium oxide Chemical compound [O-2].[Cs+].[Cs+] KOPBYBDAPCDYFK-UHFFFAOYSA-N 0.000 description 1
229910001942 caesium oxide Inorganic materials 0.000 description 1
239000000969 carrier Substances 0.000 description 1
239000012876 carrier material Substances 0.000 description 1
239000000470 constituent Substances 0.000 description 1
229910052593 corundum Inorganic materials 0.000 description 1
239000010431 corundum Substances 0.000 description 1
238000005516 engineering process Methods 0.000 description 1
238000001704 evaporation Methods 0.000 description 1
230000008020 evaporation Effects 0.000 description 1
238000001914 filtration Methods 0.000 description 1
125000002485 formyl group Chemical class [H]C(*)=O 0.000 description 1
238000004817 gas chromatography Methods 0.000 description 1
239000008187 granular material Substances 0.000 description 1
150000004679 hydroxides Chemical class 0.000 description 1
238000009776 industrial production Methods 0.000 description 1
239000003112 inhibitor Substances 0.000 description 1
239000011777 magnesium Substances 0.000 description 1
239000000395 magnesium oxide Substances 0.000 description 1
CPLXHLVBOLITMK-UHFFFAOYSA-N magnesium oxide Inorganic materials [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 description 1
AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 description 1
229910044991 metal oxide Inorganic materials 0.000 description 1
150000004706 metal oxides Chemical class 0.000 description 1
VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
239000003921 oil Substances 0.000 description 1
239000002245 particle Substances 0.000 description 1
239000008188 pellet Substances 0.000 description 1
230000001737 promoting effect Effects 0.000 description 1
239000008262 pumice Substances 0.000 description 1
230000000717 retained effect Effects 0.000 description 1
230000000630 rising effect Effects 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
238000000926 separation method Methods 0.000 description 1
HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 description 1
229910010271 silicon carbide Inorganic materials 0.000 description 1
235000012239 silicon dioxide Nutrition 0.000 description 1
230000006641 stabilisation Effects 0.000 description 1
238000011105 stabilization Methods 0.000 description 1
239000007858 starting material Substances 0.000 description 1
238000003756 stirring Methods 0.000 description 1
239000000126 substance Substances 0.000 description 1
239000006228 supernatant Substances 0.000 description 1
238000004078 waterproofing Methods 0.000 description 1
239000010457 zeolite Substances 0.000 description 1

Classifications

- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D301/00—Preparation of oxiranes
- C07D301/02—Synthesis of the oxirane ring
- C07D301/03—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds
- C07D301/04—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen
- C07D301/08—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen in the gaseous phase
- C07D301/10—Synthesis of the oxirane ring by oxidation of unsaturated compounds, or of mixtures of unsaturated and saturated compounds with air or molecular oxygen in the gaseous phase with catalysts containing silver or gold
- 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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/54—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals combined with metals, oxides or hydroxides provided for in groups B01J23/02 - B01J23/36
- B01J23/66—Silver or gold
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Catalysts (AREA)
Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Epoxy Compounds (AREA)

DD85278734A 1984-07-20 1985-07-18 Verfahren zur verbesserung der wirksamkeit von silbertraegerkatalysatoren DD232840A5 (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
DE19843426699 DE3426699A1 (de)	1984-07-20	1984-07-20	Verfahren zur verbesserung der wirksamkeit von silbertraegerkatalysatoren

Publications (1)

Publication Number	Publication Date
DD232840A5 true DD232840A5 (de)	1986-02-12

Family

ID=6241082

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DD85278734A DD232840A5 (de)	1984-07-20	1985-07-18	Verfahren zur verbesserung der wirksamkeit von silbertraegerkatalysatoren

Country Status (11)

Country	Link
EP (1)	EP0168782B1 (fr)
JP (1)	JPS6138628A (fr)
AU (1)	AU573867B2 (fr)
BR (1)	BR8503457A (fr)
CS (1)	CS251793B2 (fr)
DD (1)	DD232840A5 (fr)
DE (2)	DE3426699A1 (fr)
ES (1)	ES8604034A1 (fr)
MX (1)	MX168129B (fr)
PL (1)	PL254624A1 (fr)
RO (1)	RO92340B (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB8610441D0 (en) *	1986-04-29	1986-06-04	Shell Int Research	Preparation of silver-containing catalyst
US4874879A (en) *	1988-07-25	1989-10-17	Shell Oil Company	Process for starting-up an ethylene oxide reactor
DE3905578A1 (de) *	1989-02-23	1990-08-30	Basf Ag	Verfahren zur herstellung eines silberkatalysators
GB2433705A (en) *	2005-12-22	2007-07-04	Shell Int Research	A method of installing an epoxidation catalyst
US7459589B2 (en)	2005-12-22	2008-12-02	Shell Oil Company	Process for the preparation of an alkylene glycol

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE2636680C3 (de) *	1976-08-14	1979-04-05	Hoechst Ag, 6000 Frankfurt	Verfahren zur Verbesserung der Wirksamkeit von Silber-Trägerkatalysatoren
GB1575810A (en) *	1976-10-21	1980-10-01	Shell Int Research	Process for the performance of silver catalysts
US4350616A (en) *	1980-07-03	1982-09-21	The Dow Chemical Company	Method of making catalysts for the production of ethylene oxide
DE3229541A1 (de) *	1982-08-07	1984-02-09	Hoechst Ag, 6230 Frankfurt	Verfahren zur verbesserung der wirksamkeit von gebrauchten silber-traegerkatalysatoren

1984
- 1984-07-20 DE DE19843426699 patent/DE3426699A1/de not_active Withdrawn
1985
- 1985-07-11 EP EP85108667A patent/EP0168782B1/fr not_active Expired
- 1985-07-11 DE DE8585108667T patent/DE3564384D1/de not_active Expired
- 1985-07-18 CS CS855342A patent/CS251793B2/cs unknown
- 1985-07-18 ES ES545356A patent/ES8604034A1/es not_active Expired
- 1985-07-18 RO RO119594A patent/RO92340B/ro unknown
- 1985-07-18 DD DD85278734A patent/DD232840A5/de not_active IP Right Cessation
- 1985-07-19 JP JP15846885A patent/JPS6138628A/ja active Pending
- 1985-07-19 AU AU45197/85A patent/AU573867B2/en not_active Ceased
- 1985-07-19 MX MX206057A patent/MX168129B/es unknown
- 1985-07-19 BR BR8503457A patent/BR8503457A/pt unknown
- 1985-07-19 PL PL25462485A patent/PL254624A1/xx unknown

Also Published As

Publication number	Publication date
EP0168782A3 (en)	1986-04-23
EP0168782A2 (fr)	1986-01-22
RO92340A (fr)	1987-08-31
MX168129B (es)	1993-05-04
DE3564384D1 (en)	1988-09-22
BR8503457A (pt)	1986-04-15
EP0168782B1 (fr)	1988-08-17
AU573867B2 (en)	1988-06-23
ES8604034A1 (es)	1986-02-01
RO92340B (ro)	1987-09-01
PL254624A1 (en)	1986-06-17
CS251793B2 (en)	1987-08-13
ES545356A0 (es)	1986-02-01
AU4519785A (en)	1986-01-23
DE3426699A1 (de)	1986-01-23
JPS6138628A (ja)	1986-02-24

Legal Events

Date	Code	Title	Description
2002-04-25	ENJ	Ceased due to non-payment of renewal fee

Publication	Publication Date	Title
EP0001078B1 (fr)	1981-07-15	Procédé de réactivation d'un catalyseur d'argent sur support qui était utilisé
DE2712785C2 (fr)	1987-07-30
DE69912113T2 (de)	2004-07-22	Herstellung ungesättigter säuren oder von säureestern und dafür geeignete katalysatoren
EP0005737B1 (fr)	1981-01-07	Procédé de préparation d'esters d'acides carboxyliques cycloaliphatiques
DE2636680C3 (de)	1979-04-05	Verfahren zur Verbesserung der Wirksamkeit von Silber-Trägerkatalysatoren
EP0099975B1 (fr)	1986-12-10	Catalyseurs d'argent, procédé pour leur préparation et leur utilisation dans la préparation d'oxyde d'éthylène
DE1185604B (de)	1965-01-21	Verfahren zur Herstellung von Vinylacetat
DE112009000127T5 (de)	2010-12-30	Katalysator für die Synthese von Alkylcarbamaten, Verfahren zu seiner Herstellung und seine Verwendung
EP0025963B1 (fr)	1983-06-22	Procédé pour l'amélioration de l'activité de catalyseurs d'argent sur support
DE3143149C2 (de)	1983-08-18	Verfahren zur Herstellung von 1,1,1,3,3,3-Hexafluorpropan-2-ol durch katalytische Hydrierung von Hexafluoracetonhydrat in der Dampfphase
DE1543731B2 (de)	1974-11-14	Verfahren zur Herstellung von Dimethylamin
EP0038446B1 (fr)	1983-05-18	Catalyseur sur support à l'argent et catalyseur intermédiaire, procédé pour sa préparation et son utilisation
EP0101008B1 (fr)	1988-06-01	Procédé d'amélioration de l'activité de catalyseurs usés d'argent supportés
DD232840A5 (de)	1986-02-12	Verfahren zur verbesserung der wirksamkeit von silbertraegerkatalysatoren
DE2065569A1 (de)	1974-05-02	Verfahren zur herstellung von niedermolekularen alkylalkoholen
EP0266689A2 (fr)	1988-05-11	Procédé pour la fabrication d'esters de l'acide 4-pentenoique
WO2006063669A1 (fr)	2006-06-22	Catalyseurs contenant des tungstates d'alcalis contenant des halogenures, destines a la synthese de mercaptans d'alkyles et procedes de fabrication
DE2341854C3 (de)	1981-07-30	Katalysator und dessen Verwendung
DD255286A5 (de)	1988-03-30	Verfahren zur herstellung von silberkatalysatoren
DE2519599B1 (de)	1976-07-01	Verfahren zum reaktivieren von gebrauchten silber-traegerkatalysatoren
DE1768602C3 (de)	1980-01-10	Verfahren zur Herstellung eines Gemisches aus Acrylsäure und Acrolein durch Umsetzung von Propylen
DE1925965C3 (de)	1974-01-10	Verfahren zur Herstellung von Acrylsäure durch Oxydation von Propylen
DE1248650B (de)	1967-08-31	Verfahren zur katalytischen Flüssigphasendehydrierung von Cyclododecanol
DE2429085B2 (de)	1980-07-17	Verfahren zur Herstellung eines Katalysators für die FlüssigphasenJiydriening von Maleinsäureanhydrid zu γ -Butyrolacton
DE2611856C2 (de)	1978-04-27	Verfahren zur Reaktivierung von gebrauchten Silberkatalysatoren zur Herstellung von Äthylenoxid nach dem Direktoxidationsverfahren