Patents Represented by Attorney V. D. Harrison, Jr.

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  • Selective hydrogenation of acetylenic impurities in crude butadiene
    Patent number: 4704492
    Abstract: In a process wherein the vinyl acetylenes present as an impurity in a stream of butadienes are removed by hydrogenating the stream over a catalyst the loss of butadiene is lessened and catalyst aging is diminished by injecting the hydrogen in reduced quantities into a series of smaller catalyst beds connected in series.
    Type: Grant
    Filed: December 24, 1986
    Date of Patent: November 3, 1987
    Assignee: Mobil Oil Corporation
    Inventor: Margaret Nemet-Mavrodin
  • Recovery of mercury and heat energy from waste using fluidized beds
    Patent number: 4701212
    Abstract: Sulfur-impregnated activated carbon which has become spent by the absorption of mercury is made non hazardous for disposal purposes such as by burying. The spent carbon is at least partially combusted in a fluidized combustion zone. The solid residue is substantially reduced in mercury content. Combustion gases are cooled and condensed mercury is collected from the cooler.
    Type: Grant
    Filed: September 25, 1986
    Date of Patent: October 20, 1987
    Assignee: Mobil Oil Corporation
    Inventor: Tsoung Y. Yan