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:
Jan. 11, 2005
Filed:
Mar. 26, 2003
Sjoerd Hubertus Jozef Vellinga, Tjalleberd, NL;
Ronald Mulder, Alkmaar, NL;
Sjoerd Hubertus Jozef Vellinga, Tjalleberd, NL;
Ronald Mulder, Alkmaar, NL;
Paques Bio Systems B.V., Balk, NL;
Abstract
Method and apparatus for the anaerobic purification of slurry which contains organic constituents. Slurry which is to be treated is fed periodically or continuously to a mixture-filled, substantially closed reactor (), while the slurry is forcibly mixed with mixture () from the reactor. The mixture in the reactor is subjected to upward flow through it and to a hydrolysis process. The mixture is subjected to floatation by injection of a low-oxygen gas, such as biogas which originates from the reactor, and the floating layer of solids which is formed in the process is returned to the mixture in the reactor, while the low-particle liquid which is formed in the process is discharged as effluent.