Patents Assigned to Chemical Engineering Technology, Inc.
  • Method of removing hydrides of phosphorus, arsenic, antimony and bismuth from hydrocarbon and non-hydrocarbon streams
    Patent number: 4442077
    Abstract: Method for removing a hydride of an element selected from the group consisting of phosphorous, arsenic, antimony, bismuth, or mixtures thereof, from a hydrocarbon stream, a gas stream, or a mixture of the two streams by initially reducing the free water concentration of the stream or streams or raising the temperatures of the same and subsequently contacting the essentially moisture free effluent with soda lime.
    Type: Grant
    Filed: September 27, 1982
    Date of Patent: April 10, 1984
    Assignee: Chemical Engineering Technology, Inc.
    Inventors: David I. Foster, Paul T. Scott, Mark W. Pierick, Clarence L. Shaddock, Jr.