Patents Assigned to Conterra Technology AS
  • Patent number: 9011701
    Abstract: The present invention relates to a method and arrangement for the treatment of liquid material based on organic waste products, in particular sludge from sewage disposal plants and the like, wherein the sludge material is added and mixed with chemicals, in particular sulphuric acid, nitric acid, and/or ammonia, during the vaporization and degasification of liquid from the material to increase the solids content thereof.
    Type: Grant
    Filed: August 21, 2007
    Date of Patent: April 21, 2015
    Assignee: Conterra Technology AS
    Inventor: Ove Blomkvist