| Patents for B01D 21 - Separation of suspended solid particles from liquids by sedimentation (18,338) |
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| 07/29/2004 | DE10301858A1 Small scale sewage treatment plant is in a circular structure for sewage to flow outwards from the center bioreactor, into the denitrification/nitrification stage and the sedimentation zone to the cleaned water outflow |
| 07/28/2004 | EP1401770A4 Improved kitchen grease removal system |
| 07/28/2004 | EP1307271B1 Separation of a stream containing a multi-phase mixture of lighter and heavier density liquids and particles |
| 07/28/2004 | EP1257505B1 Removal of sulfur compounds from wastewater |
| 07/28/2004 | EP1161402B1 Tanks for treating water used for washing motor vehicles and equipment |
| 07/28/2004 | EP0775010B1 Blood collection system deriving instantaneous component yield |
| 07/28/2004 | CN2628121Y Pipe type main beam structure for mud scraper and sucker |
| 07/28/2004 | CN2628120Y Bathing waste water filtering and contamination draining apparatus and bathing waste water recovering apparatus |
| 07/28/2004 | CN1515340A Auto-circulating gravity separatino sludge-discharging water treatment system |
| 07/28/2004 | CN1159234C Ecological treating method of waste water in wet land for residential area |
| 07/27/2004 | US6767461 Separator |
| 07/27/2004 | US6766856 Large particulate removal system |
| 07/22/2004 | WO2004061413A2 Method and apparatus for separation of particles in a microfluidic device |
| 07/22/2004 | WO2004045739A3 Substrate processing apparatus for processing substrates using dense phase gas and sonic waves |
| 07/22/2004 | US20040140273 Method and apparatus for mixing fluids, separating fluids, and separating solids from fluids |
| 07/22/2004 | US20040140218 High pressure process and apparatus for the electrocoagulative treatment of aqueous and viscous fluids |
| 07/22/2004 | US20040139988 Efficient countercurrent washing without complicated fittings; favorable flow behavior by introducing fluid over large area; desalting sea water |
| 07/21/2004 | EP1198276B1 Improved injection of a solids-laden water stream into a centrifugal separator |
| 07/21/2004 | EP1007184A4 Method and system for cleaning a water basin floor |
| 07/21/2004 | CN2626989Y Three phase separating apparatus |
| 07/21/2004 | CN2626574Y Water collecting trough of stainless steel |
| 07/21/2004 | CN2626573Y Separator for impurity ,water and oil |
| 07/21/2004 | CN1513773A High effect composite clarifying reaction pond and coagulating, precipitcting water treatment process |
| 07/21/2004 | CN1158128C Water strainer without power source |
| 07/20/2004 | US6764604 Separation tank for conveying slurry pump; intake and outlet assembly form airtight, compartmented system |
| 07/20/2004 | US6764111 Compression clamp for water-tight sealing of tubular components |
| 07/20/2004 | US6763951 Wastewater management system |
| 07/20/2004 | US6763950 Wastewater treatment apparatus |
| 07/15/2004 | WO2004058424A1 On-site treatment method of ground food wastes |
| 07/15/2004 | US20040134848 Method and apparatus for removing particulate contaminants from commercial laundry wastewater |
| 07/15/2004 | US20040134843 Waste water installation with purification device |
| 07/15/2004 | DE10310420B3 Water-collecting device for collecting, cleaning and re-directing spring water with a collecting shaft comprises a closed container having its own walls independent from the collecting shaft, and a container insert |
| 07/15/2004 | DE10261349A1 Improving the separation properties in activated precipitation in waste water treatment involves addition of enzyme mixtures to favor floc-forming microorganism metabolisms |
| 07/15/2004 | DE10259332A1 Assembly, to separate solids from fluid, has rotating hollow shaft in working zone with projecting hollow separators, with perforated medium to allow fluid into separators and flow into hollow shaft |
| 07/14/2004 | EP1436059A2 Sand catcher |
| 07/14/2004 | CN2625010Y Sedimentation separator |
| 07/14/2004 | CN2625009Y Micro nanometer particle precipitation apparatus |
| 07/14/2004 | CN2625008Y Highly effective integrative deoiling and precipitation equipment |
| 07/14/2004 | CN1157342C Paper-making waste water treating process using coal ash |
| 07/14/2004 | CN1157246C Improved injection of solids-laden water stream into centrifugal separator |
| 07/13/2004 | CA2285146C Oil and debris separator |
| 07/08/2004 | US20040132896 Amphoteric water-soluble polymer dispersion and use thereof |
| 07/08/2004 | US20040129646 conditioned slurry is blended with a peroxide in aqueous solution, which enters the grains and is decomposed creating bubbles of free oxygen within the grains which disrupt the hydrocarbon envelope; free and bound hydrocarbons are released |
| 07/08/2004 | US20040129642 coagulation-flocculation-decantation device; eliminates 20% of hexane extractable material without the need for distinct degreasing means by flotation. |
| 07/08/2004 | US20040129639 Extraction methodology for suspended and dissolved material from fruit and vegetable wastewater |
| 07/08/2004 | US20040129618 Rinsing liquid treatment device |
| 07/08/2004 | US20040129426 Oil production processing system for swaying service |
| 07/08/2004 | US20040129093 Method and device for detecting accumulations of solid material |
| 07/07/2004 | EP1339645B1 Ballasted floc water treatment installation |
| 07/07/2004 | CN2623673Y Modified telescopic water drain device |
| 07/07/2004 | CN2623315Y Anti-block glass reinforced plastics settler |
| 07/07/2004 | CN1156506C Reticular foam polyurethane plastics and its preparing process |
| 07/07/2004 | CN1156344C Sectioned extracting method and device for fly ash micro and nano particles |
| 07/06/2004 | US6758978 Provides for release and removal of free or interstitial liquid trapped in settled solids in hindered settling zone and/or compaction zone |
| 07/06/2004 | US6758886 Three-phase separator and installation for biological purification of effluent |
| 07/01/2004 | WO2004028975A3 Automated cleaning system |
| 07/01/2004 | US20040124154 Process for flocculating suspensions |
| 06/30/2004 | EP1433510A1 Apparatus for removing contaminants in reactors |
| 06/30/2004 | EP1432502A1 Flocculation apparatus and method for treating colloidal suspensions |
| 06/30/2004 | EP1432490A1 Method for the separation of suspensions and device |
| 06/30/2004 | EP1027502B1 Method and apparatus for separating floating pollutants |
| 06/30/2004 | CN1155828C Method of selection of polulation or subpopulation of sample |
| 06/29/2004 | CA2196522C Treatment of oil, water and sand mixtures |
| 06/24/2004 | WO2004053330A2 Methods and apparatus for increasing and extending oil production from underground formations nearly depleted of natural gas drive |
| 06/24/2004 | WO2004052790A2 Apparatus for treatment of wastewater employing membrane bioreactors |
| 06/24/2004 | WO2004052496A1 Method and apparatus for mixing fluids, separating fluids, and separating solids from fluids |
| 06/24/2004 | WO2004052495A1 Methods and apparatus for supplying high concentrations of dissolved oxygen and ozone for chemical and biological processes |
| 06/24/2004 | WO2004043864A3 Extraction methodology for suspended and dissolved material from fruit and vegetable wastewater |
| 06/24/2004 | US20040121449 Method and apparatus for separation of particles in a microfluidic device |
| 06/24/2004 | US20040120828 Pump system with vacuum source |
| 06/24/2004 | US20040118758 Absolute position measurement |
| 06/23/2004 | EP1430939A1 Greases and light liquids separator with stackable housing, and housing for the same. |
| 06/23/2004 | EP1429999A1 Composition and the use thereof as a coagulating and flocculating agent |
| 06/23/2004 | EP1268325B1 Scraper bar apparatus |
| 06/23/2004 | CN2621178Y Rotation water decanter |
| 06/22/2004 | US6753388 Structurally-modified polymer flocculants |
| 06/22/2004 | US6752921 Bioreactor tank internally chambered to sequentially perform biological treatment and membrane filtration |
| 06/22/2004 | CA2158957C Scraper device |
| 06/17/2004 | WO2004050564A1 Apparatus and method for performing tertiary treatment of sewage based on porous filtering media |
| 06/17/2004 | WO2004050561A1 Reactive filtration |
| 06/17/2004 | WO2004022194A3 Treatment of spent caustic refinery effluents |
| 06/17/2004 | US20040112822 Trailer mounted mobile apparatus for dewatering and recovering formation sand |
| 06/17/2004 | US20040112816 Shale bin/settling tank/centrifuge combination skid |
| 06/17/2004 | DE10300104A1 Emulsion splitting reactor for liquid industrial effluent and trade wastes has pump-powered whirlpool reactor discharging to a filter |
| 06/16/2004 | CN1505722A Method for the removal of sediment from sand traps |
| 06/16/2004 | CN1505594A Quick inverting liquid flocculant |
| 06/16/2004 | CN1504255A High-efficient thickener apparatus |
| 06/15/2004 | US6749743 Fuel diverter for a recirculating wastewater treatment system |
| 06/15/2004 | US6749666 Frequency and amplitude moderation; fluid flow |
| 06/10/2004 | WO2004047993A1 Vacuum centrifugal concentrator |
| 06/10/2004 | WO2004047548A1 Filtration of vegetable slurries |
| 06/10/2004 | US20040108277 Waste water treatment; precipitation, floculation |
| 06/10/2004 | US20040108266 Rainwater tank cleaning system |
| 06/10/2004 | US20040108265 Rainwater tank cleaning system |
| 06/09/2004 | CN2619700Y Integrated powerless hydraulic circulation purifier |
| 06/09/2004 | CN1152888C Method for making hydrophobically associative polymers, method of use and compositions |
| 06/09/2004 | CN1152831C Super-high magnetic fluid treating apparatus |
| 06/03/2004 | WO2004046498A1 Apparatus for recycling of oil based drilling fluid contaminated with water |
| 06/03/2004 | WO2004046046A1 Agents for purifying waste water and muddy water |
| 06/03/2004 | WO2004045740A1 Purification agent for wastewater and sludge water |