The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Sep. 22, 1987
Filed:
Apr. 14, 1986
Charles A Long, Jr, Birmingham, AL (US);
Long Enterprises, Inc., Birmingham, AL (US);
Abstract
The present invention relates to an apparatus for use in a sewage sludge treatment system comprising a hyperbaric vessel including sludge inlet means for conveying sludge to the vessel to be accumulated in a lower portion of the vessel, a sludge delivery means having a discharge end for delivering sludge particles from the lower portion to an upper portion of the vessel, oxygen inlet means for delivering oxygen to the upper portion of the vessel to oxygenate the sludge particles at a hyperatmospheric pressure therein, the oxygenated particles falling to and being collected in the lower portion of the vessel, gas outlet means for removing gas from the upper portion of the vessel, a sludge outlet means for rapidly removing the oxygenated sludge from the lower portion of the vessel using the pressurized oxygen as a propellant, the sludge outlet means comprising a discharge pipe connected to the lower portion of the vessel for conducting sludge to a separation apparatus, and a rapidly opening valve means controlling flow of the oxygenated sludge through the discharge pipe.