DE1270032B - Verfahren zur Herstellung von Olefinen - Google Patents

Verfahren zur Herstellung von Olefinen

Info

Publication number: DE1270032B
Authority: DE; Germany
Prior art keywords: process according; catalyst; metal oxide; oxide; halogen
Prior art date: 1962-05-15
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

DEP1270032A

Other languages

German (de)

English (en)

Inventor

Anthony George Goble

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.)

BP PLC

Original Assignee

BP PLC

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.)

1962-05-15

Publication date

1968-06-12

1968-06-12 Publication of DE1270032B publication Critical patent/DE1270032B/de

Status Pending legal-status Critical Current

Links

238000000034 method Methods 0.000 title claims description 16
230000008569 process Effects 0.000 title claims description 12
150000001336 alkenes Chemical class 0.000 title claims description 9
238000004519 manufacturing process Methods 0.000 title claims description 8
239000003054 catalyst Substances 0.000 claims description 44
150000001875 compounds Chemical class 0.000 claims description 18
229910052736 halogen Inorganic materials 0.000 claims description 12
229910044991 metal oxide Inorganic materials 0.000 claims description 12
150000004706 metal oxides Chemical class 0.000 claims description 12
150000002367 halogens Chemical class 0.000 claims description 11
TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 claims description 10
-1 ethylene, propylene Chemical group 0.000 claims description 9
229910052801 chlorine Inorganic materials 0.000 claims description 8
YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 6
VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 claims description 6
241000251730 Chondrichthyes Species 0.000 claims description 5
229910052739 hydrogen Inorganic materials 0.000 claims description 5
229910052751 metal Inorganic materials 0.000 claims description 5
239000002184 metal Substances 0.000 claims description 5
NBRKLOOSMBRFMH-UHFFFAOYSA-N tert-butyl chloride Chemical compound CC(C)(C)Cl NBRKLOOSMBRFMH-UHFFFAOYSA-N 0.000 claims description 5
HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 4
230000000737 periodic effect Effects 0.000 claims description 4
VQTUBCCKSQIDNK-UHFFFAOYSA-N Isobutene Chemical compound CC(C)=C VQTUBCCKSQIDNK-UHFFFAOYSA-N 0.000 claims description 3
150000001341 alkaline earth metal compounds Chemical class 0.000 claims description 3
229910052731 fluorine Inorganic materials 0.000 claims description 3
239000000203 mixture Substances 0.000 claims description 3
229910052760 oxygen Inorganic materials 0.000 claims description 3
238000002360 preparation method Methods 0.000 claims description 3
229930195735 unsaturated hydrocarbon Natural products 0.000 claims description 3
229910052783 alkali metal Inorganic materials 0.000 claims description 2
150000001340 alkali metals Chemical class 0.000 claims description 2
150000001348 alkyl chlorides Chemical class 0.000 claims description 2
229910052794 bromium Inorganic materials 0.000 claims description 2
125000005843 halogen group Chemical group 0.000 claims description 2
239000012188 paraffin wax Substances 0.000 claims description 2
229910052717 sulfur Inorganic materials 0.000 claims description 2
VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 claims 1
125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims 1
PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 11
229910052784 alkaline earth metal Inorganic materials 0.000 description 9
239000000460 chlorine Substances 0.000 description 9
239000003513 alkali Substances 0.000 description 7
230000015572 biosynthetic process Effects 0.000 description 7
238000005658 halogenation reaction Methods 0.000 description 7
IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 6
ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 6
230000026030 halogenation Effects 0.000 description 6
229910052782 aluminium Inorganic materials 0.000 description 5
230000000694 effects Effects 0.000 description 5
229910052809 inorganic oxide Inorganic materials 0.000 description 5
150000001342 alkaline earth metals Chemical class 0.000 description 4
VSCWAEJMTAWNJL-UHFFFAOYSA-K aluminium trichloride Chemical compound Cl[Al](Cl)Cl VSCWAEJMTAWNJL-UHFFFAOYSA-K 0.000 description 4
239000012159 carrier gas Substances 0.000 description 4
150000002366 halogen compounds Chemical class 0.000 description 4
239000001257 hydrogen Substances 0.000 description 4
239000000047 product Substances 0.000 description 4
UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 3
238000005660 chlorination reaction Methods 0.000 description 3
229910052757 nitrogen Inorganic materials 0.000 description 3
BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical group [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 3
239000004338 Dichlorodifluoromethane Substances 0.000 description 2
VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 2
239000005977 Ethylene Substances 0.000 description 2
YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
XPDWGBQVDMORPB-UHFFFAOYSA-N Fluoroform Chemical compound FC(F)F XPDWGBQVDMORPB-UHFFFAOYSA-N 0.000 description 2
239000003570 air Substances 0.000 description 2
XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
229910052799 carbon Inorganic materials 0.000 description 2
150000001768 cations Chemical class 0.000 description 2
230000008859 change Effects 0.000 description 2
238000006243 chemical reaction Methods 0.000 description 2
PXBRQCKWGAHEHS-UHFFFAOYSA-N dichlorodifluoromethane Chemical compound FC(F)(Cl)Cl PXBRQCKWGAHEHS-UHFFFAOYSA-N 0.000 description 2
235000019404 dichlorodifluoromethane Nutrition 0.000 description 2
RWRIWBAIICGTTQ-UHFFFAOYSA-N difluoromethane Chemical compound FCF RWRIWBAIICGTTQ-UHFFFAOYSA-N 0.000 description 2
239000011737 fluorine Substances 0.000 description 2
239000007789 gas Substances 0.000 description 2
150000004820 halides Chemical class 0.000 description 2
229930195733 hydrocarbon Natural products 0.000 description 2
150000002430 hydrocarbons Chemical class 0.000 description 2
230000007062 hydrolysis Effects 0.000 description 2
238000006460 hydrolysis reaction Methods 0.000 description 2
125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
239000011541 reaction mixture Substances 0.000 description 2
230000000717 retained effect Effects 0.000 description 2
239000000126 substance Substances 0.000 description 2
TXEYQDLBPFQVAA-UHFFFAOYSA-N tetrafluoromethane Chemical compound FC(F)(F)F TXEYQDLBPFQVAA-UHFFFAOYSA-N 0.000 description 2
JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
JMMZCWZIJXAGKW-UHFFFAOYSA-N 2-methylpent-2-ene Chemical class CCC=C(C)C JMMZCWZIJXAGKW-UHFFFAOYSA-N 0.000 description 1
ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 1
OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
239000004215 Carbon black (E152) Substances 0.000 description 1
229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
241000606333 Phos Species 0.000 description 1
XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 description 1
150000001242 acetic acid derivatives Chemical class 0.000 description 1
239000002253 acid Substances 0.000 description 1
150000007513 acids Chemical class 0.000 description 1
230000009471 action Effects 0.000 description 1
239000000654 additive Substances 0.000 description 1
230000000996 additive effect Effects 0.000 description 1
150000001339 alkali metal compounds Chemical class 0.000 description 1
OTIJDYHLLCTUJA-UHFFFAOYSA-N aluminum oxygen(2-) platinum(2+) Chemical compound [Pt+2].[O-2].[Al+3] OTIJDYHLLCTUJA-UHFFFAOYSA-N 0.000 description 1
125000004429 atom Chemical group 0.000 description 1
QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
KQQCTWHSWXCZHB-UHFFFAOYSA-N azane;propan-2-ol Chemical compound N.CC(C)O KQQCTWHSWXCZHB-UHFFFAOYSA-N 0.000 description 1
238000009835 boiling Methods 0.000 description 1
229910052796 boron Inorganic materials 0.000 description 1
XNNQFQFUQLJSQT-UHFFFAOYSA-N bromo(trichloro)methane Chemical compound ClC(Cl)(Cl)Br XNNQFQFUQLJSQT-UHFFFAOYSA-N 0.000 description 1
150000001721 carbon Chemical group 0.000 description 1
239000007795 chemical reaction product Substances 0.000 description 1
238000004587 chromatography analysis Methods 0.000 description 1
238000001816 cooling Methods 0.000 description 1
UOCIZHQMWNPGEN-UHFFFAOYSA-N dialuminum;oxygen(2-);trihydrate Chemical compound O.O.O.[O-2].[O-2].[O-2].[Al+3].[Al+3] UOCIZHQMWNPGEN-UHFFFAOYSA-N 0.000 description 1
150000004675 formic acid derivatives Chemical class 0.000 description 1
150000002431 hydrogen Chemical class 0.000 description 1
239000012433 hydrogen halide Substances 0.000 description 1
229910000039 hydrogen halide Inorganic materials 0.000 description 1
230000001771 impaired effect Effects 0.000 description 1
230000006872 improvement Effects 0.000 description 1
UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 description 1
RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
239000007788 liquid Substances 0.000 description 1
239000007791 liquid phase Substances 0.000 description 1
239000012263 liquid product Substances 0.000 description 1
239000000463 material Substances 0.000 description 1
150000002736 metal compounds Chemical class 0.000 description 1
229910001507 metal halide Inorganic materials 0.000 description 1
150000005309 metal halides Chemical class 0.000 description 1
150000007524 organic acids Chemical class 0.000 description 1
235000005985 organic acids Nutrition 0.000 description 1
150000003891 oxalate salts Chemical class 0.000 description 1
230000001590 oxidative effect Effects 0.000 description 1
239000001301 oxygen Substances 0.000 description 1
239000003208 petroleum Substances 0.000 description 1
150000003057 platinum Chemical class 0.000 description 1
229910052697 platinum Inorganic materials 0.000 description 1
239000011148 porous material Substances 0.000 description 1
239000002243 precursor Substances 0.000 description 1
238000002407 reforming Methods 0.000 description 1
150000003839 salts Chemical class 0.000 description 1
229910052710 silicon Inorganic materials 0.000 description 1
239000010703 silicon Substances 0.000 description 1
239000002904 solvent Substances 0.000 description 1
239000007858 starting material Substances 0.000 description 1
150000005377 tertiary alkyl halides Chemical class 0.000 description 1
ZWZVWGITAAIFPS-UHFFFAOYSA-N thiophosgene Chemical compound ClC(Cl)=S ZWZVWGITAAIFPS-UHFFFAOYSA-N 0.000 description 1
229910052719 titanium Inorganic materials 0.000 description 1
239000010936 titanium Substances 0.000 description 1
150000004684 trihydrates Chemical class 0.000 description 1
239000012808 vapor phase Substances 0.000 description 1
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
235000005074 zinc chloride Nutrition 0.000 description 1
239000011592 zinc chloride Substances 0.000 description 1
229910052726 zirconium Inorganic materials 0.000 description 1

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
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/16—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of arsenic, antimony, bismuth, vanadium, niobium, tantalum, polonium, chromium, molybdenum, tungsten, manganese, technetium or rhenium
- B01J23/24—Chromium, molybdenum or tungsten
- B01J23/26—Chromium
- 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
- B01J21/00—Catalysts comprising the elements, oxides, or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium, or hafnium
- B01J21/02—Boron or aluminium; Oxides or hydroxides thereof
- B01J21/04—Alumina
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C1/00—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon
- C07C1/26—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only halogen atoms as hetero-atoms
- C07C1/30—Preparation of hydrocarbons from one or more compounds, none of them being a hydrocarbon starting from organic compounds containing only halogen atoms as hetero-atoms by splitting-off the elements of hydrogen halide from a single molecule
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C11/00—Aliphatic unsaturated hydrocarbons
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C11/00—Aliphatic unsaturated hydrocarbons
- C07C11/02—Alkenes
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C17/00—Preparation of halogenated hydrocarbons
- C07C17/26—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton
- C07C17/272—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by addition reactions
- C07C17/275—Preparation of halogenated hydrocarbons by reactions involving an increase in the number of carbon atoms in the skeleton by addition reactions of hydrocarbons and halogenated hydrocarbons
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2521/00—Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
- C07C2521/02—Boron or aluminium; Oxides or hydroxides thereof
- C07C2521/04—Alumina
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/02—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the alkali- or alkaline earth metals or beryllium
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2523/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00
- C07C2523/02—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group C07C2521/00 of the alkali- or alkaline earth metals or beryllium
- C07C2523/04—Alkali metals

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Chemical Kinetics & Catalysis (AREA)
Engineering & Computer Science (AREA)
Materials Engineering (AREA)
Catalysts (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

DEP1270032A 1962-05-15 Verfahren zur Herstellung von Olefinen Pending DE1270032B (de)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
GB18627/62A GB981697A (en)	1962-05-15	1962-05-15	Production of hydrocarbons

Publications (1)

Publication Number	Publication Date
DE1270032B true DE1270032B (de)	1968-06-12

Family

ID=10115707

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DEP1270032A Pending DE1270032B (de)	1962-05-15		Verfahren zur Herstellung von Olefinen

Country Status (4)

Country	Link
BE (1)	BE632379A (fr)
DE (1)	DE1270032B (fr)
FR (1)	FR1359480A (fr)
GB (1)	GB981697A (fr)

0
- BE BE632379D patent/BE632379A/xx unknown
- DE DEP1270032A patent/DE1270032B/de active Pending
1962
- 1962-05-15 GB GB18627/62A patent/GB981697A/en not_active Expired
1963
- 1963-05-14 FR FR934805A patent/FR1359480A/fr not_active Expired

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number	Publication date
BE632379A (fr)	1900-01-01
FR1359480A (fr)	1964-04-24
GB981697A (en)	1965-01-27

Publication	Publication Date	Title
DE2016341A1 (de)	1971-10-28	Verfahren zum Umwandeln cyclischer Kohlenwasserstoffe in Paraffinkohlenwasserstoffe
DE2537975A1 (de)	1976-03-11	Verfahren zur herstellung von 2,5-dibrom-p-xylol
DE2218666C3 (de)	1975-02-06	Verfahren zur Isomerisierung von Paraffinkohlenwasserstoffen des Benzinbereichs
EP0054674A1 (fr)	1982-06-30	Catalyseur contenant du cuivre et des métaux alcalins
DE2540067A1 (de)	1976-04-08	Verfahren zur herstellung von vinylchlorid
DE69929897T2 (de)	2006-10-26	Katalysatoren und verfahren zur hydrofluorierung
DE1643139A1 (de)	1972-03-16	Verfahren zur katalytischen Dehydrierung von gesaettigten Kohlenwasserstoffen
DE2202570B2 (de)	1981-02-26	Verfahren zum Anfahren der Isomerisierung von Paraffinkohlenwasserstoffen
DE1443463A1 (de)	1968-11-21	Verfahren zur Alkylierung von Alkanen mit Olefinen
DE2034472C3 (de)	1973-10-25	Verfahren zur Herstellung von Perfluor alkyljodidtelomeren
DE1270032B (de)	1968-06-12	Verfahren zur Herstellung von Olefinen
DE2139993C3 (de)	1975-01-30	Verfahren zur Herstellung von 1,1-Dlfluoräthan
DE2257107A1 (de)	1973-06-28	Verfahren zur herstellung von vinylidenchlorid
DE1222913B (de)	1966-08-18	Verfahren zur Herstellung von Allylchorid und seinen Monomethylsubstitutionsprodukten
DE1443477A1 (de)	1968-11-14	Verfahren zur Polymerisation polymerisierbarer organischer Verbindungen
DE2624349C3 (de)	1979-05-10	Verfahren zur Herstellung von Hexafluoraceton
DE2252287A1 (de)	1973-05-03	Katalysator und verfahren zur isomerisation von gesaettigten kohlenwasserstoffen
DE2738010B2 (de)	1980-05-22	Verfahren zur Herstellung von Hexafluoraceton
DE1443477C (de)	1971-09-16	Verfahren zur Ohgomerisierung von alpha Olefinen
DE1241420C2 (de)	1967-11-30	Verfahren zur Herstellung von Katalysatoren fuer die Isomerisierung von olefinischenKohlenwasserstoffen
DE2319515A1 (de)	1973-10-31	Verfahren zur herstellung von isopren
DE1194378B (de)	1965-06-10	Verfahren zur Herstellung von Aluminiumoxyd und Chlor enthaltenden Katalysatoren fuer die Durchfuehrung von Reaktionen vom Friedel-Crafts-Typ
AT232487B (de)	1964-03-25	Verfahren zur Isomerisierung von Paraffinkohlenwasserstoffen
DE1261493B (de)	1968-02-22	Verfahren zur Chlorierung oder Bromierung von Kohlenwasserstoffen
DE2756235A1 (de)	1978-07-06	Verfahren zur herstellung von benzotrifluorid und seinen derivaten