Patents by Inventor Clarence J. Wall

Clarence J. Wall has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Incineration of lime-conditioned sewage sludge with high sulfur fuel
    Patent number: 4168670
    Abstract: Sewage sludge is dewatered with the aid of lime and then incinerated using high sulfur fuel. During incineration the lime reacts with the sulfur in the fuel and with oxygen to form the solid CaSO.sub.4 for disposal and thus prevent formation of the pollutant, SO.sub.2 gas. High sulfur coal may be crushed and used as an additional filter aid or sludge conditioner and then serve as the auxiliary fuel during incineration.
    Type: Grant
    Filed: January 13, 1978
    Date of Patent: September 25, 1979
    Assignee: Dorr-Oliver Incorporated
    Inventors: Clarence J. Wall, Krishnakant N. Vernenkar
  • Incineration of lime-conditioned sewage sludge with high sulfur fuel
    Patent number: 4102277
    Abstract: Sewage sludge is dewatered with the aid of lime and then incinerated using high sulfur fuel. During incineration the lime reacts with the sulfur in the fuel and with oxygen to form the solid CaSO.sub.4 for disposal and thus prevent formation of the pollutant, SO.sub.2 gas. High sulfur coal may be crushed and used as an additional filter aid or sludge conditioner and the serve as the auxiliary fuel during incineration.
    Type: Grant
    Filed: January 3, 1977
    Date of Patent: July 25, 1978
    Assignee: Dorr-Oliver Incorporated
    Inventor: Clarence J. Wall