Chemical News and Journal of Industrial Science, Tom 144,Wydanie 3753Chemical news office., 1932 |
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Strona 178
... hydrogen , more or less contaminated with products arising from irregular heating , but mainly of ethane , and we concluded from this that the nickel , having broken up part of the ethy- lene , had utilised the hydrogen formed to ...
... hydrogen , more or less contaminated with products arising from irregular heating , but mainly of ethane , and we concluded from this that the nickel , having broken up part of the ethy- lene , had utilised the hydrogen formed to ...
Strona 179
by hydrogen in the presence of nickel has advantageously replaced the old methods , such as sodium or sodium amalgam ... hydrogen . Ex- perience has shown the advisability of add- ing to the nickel a certain amount of copper , which ...
by hydrogen in the presence of nickel has advantageously replaced the old methods , such as sodium or sodium amalgam ... hydrogen . Ex- perience has shown the advisability of add- ing to the nickel a certain amount of copper , which ...
Strona 182
... hydrogen at about 250 ° C. A stream of oil and hydrogen is passed over the catalyst contained in a number of tubes in series , and the hydrogenated oil thus produced leaves the plant in a clear and bright condition , requiring no ...
... hydrogen at about 250 ° C. A stream of oil and hydrogen is passed over the catalyst contained in a number of tubes in series , and the hydrogenated oil thus produced leaves the plant in a clear and bright condition , requiring no ...
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