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:
Nov. 29, 2011
Filed:
Jun. 10, 2005
Sjoerd Hubertus Josef Vellinga, Tjalleberd, NL;
Jelle Hendrik DE Boer, Balk, NL;
Antonius Johannes Jorna, Balk, NL;
Leonard Hubertus Alphonsus Habets, Sneek, NL;
Sjoerd Hubertus Josef Vellinga, Tjalleberd, NL;
Jelle Hendrik de Boer, Balk, NL;
Antonius Johannes Jorna, Balk, NL;
Leonard Hubertus Alphonsus Habets, Sneek, NL;
Paques B.V., , NL;
Abstract
The invention relates to an anaerobic purification device for purification of influent. The device has a reactor tank, an inlet for introducing influent into the tank, a water collecting device for collecting purified water, a gas collecting system for collecting gas from the fluid contained in the reactor, a gas-liquid separation device, a riser for passing liquid into the separation device by gas lifting action caused by gas collected in the gas collecting system, and a downer for returning liquid and sludge from the separation device into the lower tank section. According to the invention this device is characterized in that it is arranged to define, in the downer at the level of the liquid surface, a head pressure of, at least, approximately 1.4 m water column (approximately 0.14 bar). The invention also relates to a method for anaerobic purification device for purification of influent.