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2015
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Invention
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Method for in-situ regeneration of activated carbon loaded with trihalomethanes using alkaline hy... |
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2014
|
Invention
|
Adjustable variable bubble size aeration for submerged membrane air scour. In a submerged membran... |
|
|
Invention
|
Clarifier sludge withdrawal system. In a wastewater treatment plant a clarifier is fitted with pi... |
|
|
Invention
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Orbital wastewater treatment system and associated method of operating an orbital wastewater trea... |
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2013
|
Invention
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Process for removal of solid nonifibrous material from pulp.
The present invention relates to a ... |
|
|
Invention
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Process for removal of solid non-fibrous material from pulp. The present invention relates to a p... |
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2012
|
Invention
|
Traveling band screen, associated roller and related method for retrofitting a traveling band scr... |
|
|
Invention
|
Pulp screen rotor with slurry passages around and through the rotor. A rotor adapted for mounting... |
|
|
Invention
|
Sludge thickening and ammonia treatment system. In a sewage treatment plant that includes anaerob... |
|
|
Invention
|
Filtration tank with serially connected horizontal screening drums. A wastewater filtration devic... |
|
|
Invention
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Flow deflecting member for hydrocyclone. a for transporting the heavy particles. |
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2011
|
Invention
|
Sludge thickening and ammonia treatment system.
In a sewage treatment plant that includes anaero... |
|
|
Invention
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Apparatus and method for introducing a first fluid into the flow path of a second fluid and use o... |
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2010
|
Invention
|
Hydrocyclone |
|
|
Invention
|
Carrier element, biological water treatment system and their use, and method for biologically tre... |
|
|
Invention
|
Membrane bioreactor with reduced air scour requirements. In a sewage treatment plant with a membr... |
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2009
|
Invention
|
Pulp suspension hydrocyclone cleaner |
|
|
Invention
|
Hydrocyclone, system and method for cleaning cellulose suspensions.
The present invention concer... |
|
|
Invention
|
Hydrocyclone, system and method for cleaning cellulose suspensions. The present invention concern... |
|
|
Invention
|
Two stage pulp screening device with two stationary cylindrical screens. A device including a hol... |
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|
Invention
|
Assembly with multiple hydrocyclones, method for assembling multiple hydrocyclones and support st... |
|
|
Invention
|
An assembly with multiple hydrocyclones, method for assembling multiple hydrocyclones and support... |
|
|
Invention
|
Hydrocyclone. A hydrocyclone (1) for separating a liquid mixture into a heavy fraction and a ligh... |
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2008
|
Invention
|
Mixing impeller. An impeller for use in association with an extraction plate adapted for defiberi... |
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2005
|
Invention
|
Method for converting an up-flow tower for cellulose pulp to a down-flow tower. The method is for... |
|
|
Invention
|
Refining member clash control method. A control system with a sensor mounted in direct mechanical... |
|
|
Invention
|
Separation of fibre pulp suspensions containing relatively heavy contaminants. A hydrocyclone uni... |
|
|
Invention
|
Method for dilution of cellulose pulp. LEV of diluted pulp in the standpipe. A number of nozzles ... |
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2004
|
Invention
|
Method for distributing cellulose pulp of low and medium consistency in order to form a uniform p... |
|
|
Invention
|
Refining plate attached to a head in a pulp refiner. A refiner plate has an outer circumferential... |
|
|
Invention
|
Perforated deck made out of a plurality of segments. A cylindrical rotating thickening device inc... |
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2003
|
Invention
|
System for the oxygen delignification of pulp consisting of lignocellulose-containing material. T... |
|
|
Invention
|
Tangential discharge disk refiner. A papermaking refiner has two stationary disks mounted to the ... |
|
|
Invention
|
Refiner rotor assembly with a hub having flow-through ports. A refiner including a material-admit... |
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2002
|
Invention
|
Process for the oxygen delignification of pulp in two stages with higher pressure in the second s... |
|
|
Invention
|
Sealing arrangement for a pulp dewatering arrangement. The arrangement is for washing and dewater... |
|
|
Invention
|
Distribution device for a device for dewatering pulp. A device for washing and dewatering a fiber... |
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2000
|
Invention
|
Sealing arrangement for pulp dewatering arrangement. Arrangement 1 for washing and dewatering a f... |
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1999
|
Invention
|
Air evacuation insert for wood chip digester. An insert is bolted to the inlet of a wood chip dig... |
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1998
|
Invention
|
Underdrain unit for granular filtration system. An underdrain unit of the type having air and wat... |
|
|
Invention
|
Pre-thickened aerobic digester system. An aerobic treatment process is operated to reduce overall... |
|
|
Invention
|
Apparatus for safely conducting pressurized peroxide bleaching. Apparatus for safely carrying out... |
|
1996
|
Invention
|
Hydraulic differential clarifier. A clarifier basin in a wastewater treatment system includes a s... |
|
|
Invention
|
Multi-eductor system. Improved gas distribution and mixing is achieved in a gas/liquid mixing bas... |
|
1995
|
Invention
|
Retractable traversing trash rake and method for cleaning weedscreen. A retractable traversing tr... |
|
|
Invention
|
Tank cover structure with aeration distribution. A substantially gas tight tank cover is designed... |
