Methanol • > Formaldehyde Naphthalene - > Phthalic anhydride Benzene - > Maleic acid and anhydride Furfural ->· Maleic acid and anhydride Butane - > Maleic acid Catalysis: Molybdic oxide with other metal oxides
Oxidation
Organosulfur compounds - > Hydrocarbons + H2$ Coal or shale oil - > Naphthas Nitrobenzene - > Aniline Catalysis: Molyhdenum oxides, sulfides or cobalt
molybdaf
Hvdroëenàtioi
MOYBDENUM ΡΞΤ5ΪΪΈ*ΤΞ
^ # - j · ^ , ^ fp^_l & A^*»J[ T ^ ^
Chlorination
Benzene ->• Chlorobenzenes Phthalic anhydride - > Tetrachlorophthalic anhydride Ccfafyjf»: Mofybderium mefai or cftforides
40
C&EN
APRIL
21,
1958
Dehydration
Amides • > Nitriles Polyhydric alcohols - > Cyclic ethers Cafofysft: Motal molybdlt·»
These reactions occur simultaneously in reforming processes.
Aliphatics - > Aromaties
Hydrocarbons + SO2 - > Thiophenes
n-Paraffins - > iso-Paraffins
Phthalic anhydride + Urea -f- Copper salts ->- Phthalocyanines
Alkylcyclopentanes - > Cyclohexanes Catalysts: Molybdenum oxides or cobalt molybdate
Catalyst: Molybdate ion in solution
Oehydrogenation Cyclization Isomerfzation
Toluene -f- NH3 - > Benzonitrile AlkyI ketones - > Trialkyl benzenes Catalysts: Molybdenum oxides or sulfide*
Condensation
Condensation
(Liquid Phase)
(Vapor Phase}
for many reactions Selectivity, resistance to poisons, and high activity make molybdenum catalysts the preferred materials for a variety of commercial processes. Laboratory and pilot plant studies show promising results in many other reactions. Molybdenum catalysts might be just the answer to your special needs. Why not give them a try! For data on the applications shown here write for our new bulletins on Molybdenum Catalysts. Address: Chemical Sales & Development Division, Climax Molybdenum Company, 500 Fifth Avenue, New York 36, N.Y.
Polymerization Alkylation
Ethylene and propylene -»- Dimers n- and iso-Olefins - > Polymers Aromaties + Olefins - > Alky! aromaties Catalyst*: Reduced molybdenum oxides or meta! molybditms
CL IMAXM O L Y B D E N U M A division of American Metal Climax, Inc. A P R I L
2 1, 1958
C& EN
41
