Preparation of Catalysts V
... Catalysts V 1991 Elsevier Science Publishers B.V. , Amsterdam - Printed in The Netherlands 185 SCALING DOWN OF THE CALCINATION PROCESS FOR INDUSTRIAL CATALYST MANUFACTURING G. GROEN1. ,. J. FERMENT1. ,. M.J.. GROENEVELD1. ,. J. DECLEER2.
Catalysts in Petroleum Refining 1989
... catalyst , then the catalyst may be regenerated . If this is not possible , then selec- tive removal of one metal can produce a relatively pure product which can be sold to cover part or all of the cost of disposal . The simplest way of ...
Handbook of Sulphuric Acid Manufacturing
... catalyst screening. The catalyst shape must achieve all of the above without compromising on catalyst activity or mechanical strength. Catalysts were first manufactured as cylindrical pellets, typically 6 to 8 mm in diameter. Ring shaped ...
Palladium and Platinum Oxides as Catalysts in the Reduction of Organic Compounds
... catalyst in order to test the durability of the oxide as a catalyst . The results are shown in Table I. eling oillsto COMPARISON OF ACTIVITIES OF CATALYST PREPARED AT DIFFERENT TEMPERATURES TABLE abedio msanie s ni abubirnid to Sample ...
Fluid Catalytic Cracking VI: Preparation and Characterization of Catalysts
... catalysts , but until recently Fe related problems in FCC units were largely unreported . Although the effects of Fe on catalyst conversion and yields during microactivity testing have been studied [ 1 ] , little work has been done to ...
Hydrogenation of Organic Substances, Including Fats and Fuels
... catalyst . Mannich and Thiele . Schwarcman . Mittasch , Schneider and Morawitz . References . X. NICKEL CATALYSTS : GENERAL . Reduced nickel as a catalyst . Work of Sabatier and his collaborators . Sen- derens . Effect of liquid ...
Journal of the American Chemical Society
... catalyst is active in catalysis . This suggests that a quantitative study of catalyst poisoning under suitable conditions should render possible the determination of the fraction of a given catalyst mass that has an ap- preciable part ...
The Encyclopaedia Britannica
... catalyst , save for reactions in which it is too active . In such cases , copper is substituted for nickel . If a platinum catalyst is required in its most active condition , it is prepared in a colloidal state , preferably in the ...
Chemical Age International
... catalyst , without ultimate gain in activity . Reduction at a comparatively high temperature , whilst yielding a less energetic catalyst , usually imparts a higher power of resistance to the action of anti - catalysts , or poisons . 3 ...
The Chemical Age
... catalysts , it is stated , exert considerable activity at 450 ° , but are usually operative at 500 ° -600 ° . The early units constructed for containing the catalyst were apparently externally heated , but owing to the weak ening of the ...
Official Gazette of the United States Patent Office
... catalyst , which comprises re- ducing nickel silicate with a reducing agent free from anticatalytic material . 4. Process of making a catalyst , consisting in reducing a silicate of a catalytic metal by means of hydrogen . 5. Process of ...
Bulletin ...
... catalyst are destroyed , is due to the above mentioned changes in the surface film of the catalyst . It is a common explanation of the poisoning of a catalyst to say that the catalyst adsorbs the poison and thus prevents the ...
Bulletin
... catalyst are destroyed , is due to the above mentioned changes in the surface film of the catalyst . It is a common explanation of the poisoning of a catalyst to say that the catalyst adsorbs the poison and thus prevents the adsorption ...
Chemical News and Journal of Industrial Science
... Catalyst Poisoning . “ Poisoning may be specific rather than general , the author pointed out , for what is a poison for a given reaction with a given catalyst may be harmless for a second re- action with even the same catalyst or even ...
The Chemical News
... Catalyst Poisoning . " ،، Poisoning may be specific rather than general , the author pointed out , for what is a poison for a given reaction with a given catalyst may be harmless for a second re- action with even the same catalyst or ...
California. Court of Appeal (1st Appellate District). Records and Briefs
... catalyst . The taxpayer contends that imposition of tax on the value of the traded- in platinum in the spent catalyst is improper . STATEMENT OF FACTS At the times ... catalyst with fresh catalyst requires a 2 . STATEMENT OF FACTS.
Journal of the Society of Chemical Industry
... catalyst , of we can rob other compounds of their hydrogen ; heir aim but whether a liquid , easily obtainable at a me competitive price , can be found ready to give point up its hydrogen to oil is one of the fascinating Just be pral ...
The Industrial Digest
... catalyst ( especially at elevated pressures ) . Dehydrogenation ( a ) In synthetic organic , chemistry . AlCl3 ... catalyst . ( c ) Arc process of oxide of nitrogen formation . Metal electrodes as negative catalysts . ( d ) Nitride ...