摘要:

Mixtures of a natural gas, substantially methane, and air in various proportions were passed over catalysts, and the effects of the variables, composition of mixture, pressure, temperature, and space velocity, were determined. Similar experiments were made with mixtures of methane and air. Mixtures containing from less than 3% to more than 13% of oxygen as air were used. The temperature range was 350° to 500 °C. and the pressure range 140 to 230 atm. Methanol was the principal product, and yields as high as 74% on the basis of carbon oxidized were obtained. Copper was the principal catalyst used. Traces of sulphur poisoned the catalyst very effectively.

ISSN:1923-4287    

DOI:10.1139/cjr37b-045

出版商:NRC Research Press    

年代:1937

数据来源: NRC

摘要:

Mixtures of methane containing some nitrogen and oxygen were passed over copper and silver catalysts. The effects of the variables, composition of mixture pressure, and temperature were determined. From 3 to 7% of oxygen was used in various experiments at pressures from 140 to 220 atm. at a temperature of 475 °C. The effect on yields of additions of carbon dioxide to the mixture was determined.

ISSN:1923-4287    

DOI:10.1139/cjr37b-046

出版商:NRC Research Press    

年代:1937

数据来源: NRC

摘要:

Previous work on the action of alkaline sodium hypobromite on αα′-diaryl-succinamides has been extended to include phenylsuccinamide and αα′-dimethyl-succinamide, typical respectively of monoaryl- and αα′-dialkyl-succinamides. Phenylsuccinamide and sodium hypobromite give β-ureidophenyl-propionic acid and phenyldihydrouracil, but no phenylacetic acid. Likewise dimethylsuccinamide gives dimethyldihydrouracil and no isobutyric acid. Hence the rearrangement observed with diarylsuccinamides does not occur with these two amides.

ISSN:1923-4287    

DOI:10.1139/cjr37b-047

出版商:NRC Research Press    

年代:1937

数据来源: NRC

摘要:

The decomposition of ethyl alcohol by two different samples of commercial alumina at 318° and 450 °C. has been studied. The effect of time or previous use of the catalyst on the course of the reaction has been examined at 300° and 318 °C. It has been found that the course of the reaction changes with change in water content of the catalysts. For the particular alumina used, there is one optimum water content for the production of ether and another for ethylene. For catalysts initially high in water there is a change in the sense of the reaction with use. Ignited catalysts of zero water content are not inactive, but become less effective for dehydration; this favors the production of ether.

ISSN:1923-4287    

DOI:10.1139/cjr37b-048

出版商:NRC Research Press    

年代:1937

数据来源: NRC