Patents Assigned to International Environmental Solutions Pty Ltd
  • Method and apparatus for waste water treatment
    Patent number: 7794596
    Abstract: A method for treating wastewater wherein the wastewater is introduced in prescribed doses of wastewater to a first treatment zone, establishing a negative pressure gradient using mechanical ventilation within said zone causing exhaust air flow to remove gases and promote evaporation in the zone. Excess wastewater passing through the zone is collected and reintroduced. The zone contains particulate material with a large wetted surface area covered in a microbiological slime layer.
    Type: Grant
    Filed: April 11, 2006
    Date of Patent: September 14, 2010
    Assignee: International Environmental Solutions Pty Ltd
    Inventor: Robert Maurice Charles Patterson