Shell Oil Comapny

Charles M Arbore

Thomas S Dewitz

Hendricus Arien Dirkse

Andrew M Scott

Rudi Everts

James A Salter

Uday Mahagaokar

Rene Rombout

Eugene F Lutz

Daniel C Baker

Thomas R Schmidt

Robert Stephen Tomaskovic

Teunis Terlouw

Gunter K Eckstein

David Karl Schisla

Johannes W Van Der Meer

David Matthew Brown

Edward H Hsu

James J McCusker

Johannes E Ploeg

Henricus C Venselaar

Frederick M Duysings

This invention relates to solid secondary alkyl sulfate/zeolite-containing surface active compositions which are formed by crystallization and which contain at least about 80 percent by weight of secondary alkyl sulfate and zeolite. These compositions are substantially free of unreacted organic matter and water. The invention further relates to a process for preparing these solid secondary alkyl sulfate/zeolite-containing compositions.

Secondary alkyl sulfate/zeolite-containing surfactant compositions

The invention is directed to a method and apparatus for establishing and maintaining a uniform mass flow rate of particulate solids and gas mixture from a container to a receiving reactor. A preferred embodiment utilizes an aeration tube suspended in the particulate mixture and serving as a fluidic valve to maintain a uniform mass flow rate. A portion of the aeration gaseous fluid may be directed upward in aid of such flow.

Aeration tube discharge control device

The invention is directed to a method and apparatus for establishing and maintaining a uniform mass flow rate of particulate solids and gas mixture from a container to a receiving reactor. A preferred embodiment utilizes a plurality of porous inserts in the walls of the container through which a gaseous fluid is forced thereby contacting particulate solids within said container and enhancing the flow of said solids.

Aerated discharge device

A process for the treatment of flyslag from the gasification of coal is described, the process being characterized, in one embodiment, by mixing of the flyslag with a residual waste stream from a coal gasification process, the wast stream containing particulate flyslag solids.

Process for flyslag treatment utilizing a solids-containing concentrated

The present invention is directed to an apparatus and method for equalizing the flow rate of a combustible, particulate solids, such as coal, and gas mixture discharged from a feed vessel apparatus in a uniform manner to a pressurized receiving reactor, such as a gasifier.

Feed hopper design

The present invention is directed to an apparatus and method for controlling mass flow rate of a particulate solids and gas mixture to a reactor. In particular, the fast response of a mass flow rate-indicating device is combined with the longer term accuracies in changes in the total mass from weigh cells to yield rapid and more accurate loss-in-weight measurements than conventional systems.

Pressure compensated weigh system

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Houston, TX, United States of America

Charles M Arbore