| Patents for B01D 21 - Separation of suspended solid particles from liquids by sedimentation (18,338) |
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| 04/08/2004 | WO2004028977A1 Method and apparatus for degermination of waste water and oxidative inactivation of substances contained therein |
| 04/08/2004 | WO2004028975A2 Automated cleaning system |
| 04/08/2004 | WO2004028663A1 Advanced ultrasonic processor |
| 04/08/2004 | WO2004005197A3 Effluent treatment combining solid/liquid separation and pulsed electric fields |
| 04/08/2004 | US20040065628 Clarifying tank |
| 04/08/2004 | US20040065603 Control and classification of liquids in separating processes |
| 04/08/2004 | DE10156563B4 Straßenwasser-Absetz- und Versitzgrube Street water sedimentation and septic tank |
| 04/08/2004 | CA2500364A1 Automated cleaning system |
| 04/07/2004 | EP1405674A2 Improvements in the control and classification of liquids in separating processes |
| 04/07/2004 | CN1487960A High molecular weight polymers containing pendant salicylic acid groups |
| 04/01/2004 | WO2004026496A1 System for treating sludge and hydrocarbon waste from a refinery |
| 04/01/2004 | WO2002084223A9 Absolute position measurement |
| 04/01/2004 | DE20218390U1 Cooking device with a substantially closed water circuit comprises at least one screening and separating unit which is incorporated as a slightly convergent wall structure within a substantially vertical pipe |
| 04/01/2004 | DE10244012A1 Aufbereitungseinrichtung für Späne enthaltende Kühl- und Schmiermittel Processing means for chips containing coolants and lubricants |
| 03/31/2004 | EP1403316A1 AMPHOTERIC WATER−SOLUBLE POLYMER DISPERSION AND USE THEREOF |
| 03/31/2004 | EP1403220A1 Process and device for the disinfection of wastewater, and the oxidative inactivation of substances contained therein |
| 03/31/2004 | EP1401774A1 Method of controlling contaminant flow into water reservoir |
| 03/31/2004 | EP1401770A1 Improved kitchen grease removal system |
| 03/31/2004 | EP1218415A4 Water soluble anionic or nonionic dispersion polymer |
| 03/31/2004 | EP1218299A4 Anionic and nonionic dispersion polymers for clarification and dewatering |
| 03/31/2004 | EP1012678B1 Flow control system |
| 03/31/2004 | EP0775005B1 Blood processing systems controlled by apparent hematocrit |
| 03/31/2004 | CN2608094Y Emulsion microwave oil water and sand centrifugal separation device |
| 03/31/2004 | CN1486220A 浮选机 Flotation machine |
| 03/31/2004 | CN1486211A Tank for draining a granular material/liquid mixture |
| 03/31/2004 | CN1143869C Method of making and using high molecular weight acrylamide polymers |
| 03/31/2004 | CN1143720C Device for withdrawing clarified water from clarification plants with discontinuous operation |
| 03/31/2004 | CN1143719C Liquid extracting device |
| 03/31/2004 | CN1143718C Improved helical separator |
| 03/30/2004 | US6712222 Integrated scum baffle and launder cover for use in a clarifier tank |
| 03/30/2004 | CA2292652C Polysilicate microgels |
| 03/30/2004 | CA2277165C Purification and/or concentration of dna by cross-flow filtration, separation of endotoxins from a nucleic acid preparation |
| 03/25/2004 | WO2004024287A1 Apparatus for directing particles in a fluid |
| 03/25/2004 | WO2004002600A3 Air filtration system |
| 03/25/2004 | WO2003092894A3 Method and apparatus for isolating platelets from blood |
| 03/25/2004 | WO2003078844A3 Pump system with vacuum source |
| 03/25/2004 | US20040056125 Process for continuously recovering waste paint and processor therefor |
| 03/25/2004 | US20040055961 Ballasting with micro-sand or other dense granular material using liquid cyclone treatment; pollution control |
| 03/25/2004 | US20040055950 Apparatus for trapping floating and non-floating particulate matter |
| 03/25/2004 | CA2499027A1 Apparatus for directing particles in a fluid |
| 03/24/2004 | EP1400307A2 Recycling device for chips-containing coolants and lubricants |
| 03/24/2004 | EP1399234A1 Method and apparatus for clarifying a slurry |
| 03/24/2004 | EP1399233A1 Method and apparatus for clarifying and/or thickening a slurry |
| 03/24/2004 | EP1324812B1 Sedimentation filtration installation |
| 03/24/2004 | CN1142894C Epoxy polyamine flocculant produced by adipamine risidue |
| 03/23/2004 | US6709592 Anaerobic chemical reactors; gas stripping |
| 03/23/2004 | US6709378 Supernatant liquid collector with balance weight forming function and centrifugal apparatus using the same |
| 03/19/2004 | CA2787798A1 Bituminous froth inclined plate separator and hydrocarbon cyclone treatment process |
| 03/19/2004 | CA2787747A1 Bituminous froth inclined plate separator and hydrocarbon cyclone treatment process |
| 03/19/2004 | CA2761345A1 Bituminous froth inclined plate separator and hydrocarbon cyclone treatment process |
| 03/18/2004 | WO2004022615A1 The production of aqueous dispersions of cationic homo- and copolymers using amphoteric protective colloids |
| 03/18/2004 | WO2004022492A1 An apparatus and method for delivery of a flocculant to a liquid stream |
| 03/18/2004 | WO2004022194A2 Treatment of spent caustic refinery effluents |
| 03/18/2004 | WO2003102737A3 Method and device for ultrasonically manipulating particles within a fluid |
| 03/18/2004 | US20040050805 Process and device for separation of absorbent/floating material from product mixes by means of float/sink separation |
| 03/18/2004 | US20040050776 Tank for draining a granular material/liquid mixture |
| 03/18/2004 | US20040050756 Cross-flow differential migration classifier |
| 03/18/2004 | DE20319681U1 Water treatment process for metalworking and glassworks has first sediment tank linked to second tank holding a combination of treated and non-treated water |
| 03/18/2004 | DE202004000569U1 Waste water treatment basin sludge removal jets fixed to rotating gantry are directed at basin sidewalls above the surface, below the surface and basin floor |
| 03/18/2004 | DE10005114B4 Verfahren zur Biomasse-Rückhaltung bei Biogasreaktoren sowie Vorrichtung zur Durchführung des Verfahrens A process for the biomass retention in biogas reactors, and device for carrying out the method |
| 03/17/2004 | EP1397310A2 Desludging device and method for desludging a liquid |
| 03/17/2004 | EP1140707B1 Biological treating apparatus for tannery waste water and for reduction of its sludge |
| 03/17/2004 | CN1142273C Method for purifying DNA in cross-flow centrifuge |
| 03/11/2004 | WO2004020345A1 Processes for treatment of wastewater, separation, deodorisation and re-use of biosolids |
| 03/11/2004 | WO2004020069A1 Sedimentation unit, lamellar plate, sedimentation plant and method for separation |
| 03/11/2004 | WO2003078019A3 Simplified lamellar clarifier, and method for cleaning same |
| 03/11/2004 | WO2003032806A3 Blood processing systems and methods that assess and respond to real or potential vein occlusion conditions |
| 03/11/2004 | US20040045907 Stormwater pollutant separation system and method of stormwater management |
| 03/11/2004 | US20040045902 Process for extracting and purifying naturally occuring zeolite |
| 03/11/2004 | US20040045882 Apparatus for removing metallic particles from effluent liquid waste |
| 03/11/2004 | US20040045880 Water treatment control system using fluorescence analyzer |
| 03/11/2004 | DE10218377B4 Verfahren und Vorrichtung zur Schwerstoffabtrennung aus Aufschlämmungen Method and apparatus for heavy inert separation from slurries |
| 03/11/2004 | CA2496671A1 Processes for treatment of wastewater, separation, deodorisation and re-use of biosolids |
| 03/10/2004 | EP1396508A1 The production of aqueous dispersions of cationic homo- and copolymers using amphoteric protective colloids |
| 03/09/2004 | CA2219053E Apparatus and method for separating solids from drilling fluids |
| 03/04/2004 | WO2004018524A1 High molecular weight cationic polymers obtained by post-polymerisation crosslinking reaction |
| 03/04/2004 | WO2004003335A3 System and method to separate particles from water |
| 03/04/2004 | US20040040671 Supplying carbon dioxide to immersion effluent evaporator; reacting with hydroxide forming carbonate |
| 03/04/2004 | DE10002660B4 Reaktor zum Enthärten und/oder Aufbereiten von Wasser Reactor for softening and / or preparation of water |
| 03/03/2004 | CN2605249Y Improved mud-discharging device of radial-flow sedimentation tank mud scrap-suction machine |
| 03/03/2004 | CN2605050Y Contact roller for scraper machine |
| 03/03/2004 | CN2605049Y Periphery driven thickener |
| 03/03/2004 | CN1140614C Method and device for purifying contaminated liquids |
| 03/03/2004 | CN1140467C Preparation of water purifying agent |
| 03/03/2004 | CN1140311C Blood processing system and mehtod which optically derive volume of platelets contained in plasma constituent |
| 03/02/2004 | US6698521 System and method for removing solid particulates from a pumped wellbore fluid |
| 02/26/2004 | WO2004016337A1 Settling device |
| 02/26/2004 | WO2003091539A3 Sand and particle separator for fluid pumping systems |
| 02/26/2004 | WO2002092519B1 Method of separating suspension, in particular for waste water treatment, and an apparatus for performing the same |
| 02/26/2004 | US20040035804 Comprises screw transport device withing housing, shaft, conveying helix, compacting zone for compressing solid, and sieve; improved drainage |
| 02/26/2004 | US20040035800 Dewatering; comprises addding nonionic polymeric flocculant (polyacrylamide) prior to adding anionic polymeric flocculant (acrylamide-acrylic acid copolymers); for use with ceramic and glass suspensions |
| 02/26/2004 | US20040035426 Manner of attaching component elements to filtration material such as may be utilized in respiratory masks |
| 02/26/2004 | DE4340193B4 Saugeinheit für dentale Zwecke Suction unit for dental purposes |
| 02/26/2004 | DE20314637U1 Device for preparing aqueous organic emulsions used e.g. for cleaning oil/grease mixtures and used oil mixtures comprises a unit for producing electromagnetic waves using a magnetron |
| 02/26/2004 | DE19940994B4 Verfahren zum Abbau von Klärschlamm A method for degradation of sewage sludge |
| 02/25/2004 | EP1391245A1 A cyclone separator suitable for variable fluid flow rates. |
| 02/25/2004 | EP1391228A1 Installation for decanting stormwater with a hydraulic distributor |
| 02/25/2004 | EP1390306A1 Method of separating suspension, in particular for waste water treatment, and an apparatus for performing the same |
| 02/25/2004 | EP1390304A1 Biological treatment reactor in a purification plant |
| 02/25/2004 | CN1478059A Process and apparatus for treating waste water |