"Flight by machines heavier than air is unpractical and insignificant, if not utterly impossible."
|5741415||Method for the demercaptanization of petroleum distillates|
The demercaptanization of petroleum distillates may be carried out by means of the oxidation of the mercaptans contained therein using the oxygen in the air, at a temperature of about 80° to about 220° C., in the presence of about 0.01 to about 10.0 mas...
|4929340||Catalyst and process for sweetening a sour hydrocarbon fraction using dipolar compounds|
This invention relates to an improved process and catalyst for treating a sour hydrocarbon stream. The improvement comprises the use of a dipolar compound which has a positively charged atom and an electronegative group in the same structure. A particular...
|4831207||Chemical processing with an operational step sensitive to a feedstream component|
The present invention relates to a chemical process involving a processing step which is sensitive to the presence of at least one component contained within the stream to be processed and to an economical and efficient method of temporarily removing such...