| Patents for B01D 21 - Separation of suspended solid particles from liquids by sedimentation (18,338) |
|---|
| 07/07/1994 | WO1994014515A1 Method of separating a suspension and device for carrying this out |
| 07/07/1994 | WO1994014514A1 Band raker |
| 07/07/1994 | DE4244570A1 Pre-clarification tank, also for denitrification or phosphorus elimination |
| 07/05/1994 | CA2110458A1 Quaternary polyallylamine water treatment agents |
| 06/30/1994 | DE4244457A1 Cleaning of sepn. container in gravitational cleaning of waste water |
| 06/30/1994 | CA2112037A1 Method of sludge removal |
| 06/29/1994 | EP0604271A1 Double flux lamellor decanter |
| 06/29/1994 | EP0604095A1 Process for the treatment of waste material suspensions |
| 06/29/1994 | EP0603379A1 Submerged scraper for round settling pools |
| 06/28/1994 | US5324431 Process for treating suspended substances in liquor |
| 06/28/1994 | US5323914 Method of and apparatus for separating heavy impurities from fiber suspensions in connection with pumping |
| 06/23/1994 | DE4305511C1 Biological mechanical waste water and sewage cleaner |
| 06/22/1994 | EP0602329A2 Separator for sewage contaminated with settling solids and light material |
| 06/22/1994 | EP0602182A1 Improved apparatus and method for deinking waste paper pulp |
| 06/22/1994 | EP0518912B1 Clearing or sedimentation tank |
| 06/22/1994 | CN1088129A Reaction and precipitation plate for treatment of water |
| 06/21/1994 | US5322620 Centrifugation system having an interface detection surface |
| 06/15/1994 | EP0601384A1 Drive for shafts of raker-, rabbling or stitter mechanisms |
| 06/15/1994 | EP0601140A1 Separating device for separating a flow of analysis samples from waste water |
| 06/15/1994 | EP0521888B1 Method and apparatus for removing grit from sewage |
| 06/15/1994 | EP0439610B1 Gas-containing settling tank |
| 06/15/1994 | CN2168861Y 固液分离器 Solid-liquid separator |
| 06/14/1994 | US5320963 Bioreactor for the perfusion culture of cells |
| 06/14/1994 | US5320750 Water clarifier with first filtrate isolation, improved backwashing and improved bubble generation |
| 06/14/1994 | US5320747 Apparatus for removing solid matter from fluid systems |
| 06/14/1994 | CA2034862C Self-propelled apparatus for cleaning a water treatment tank |
| 06/09/1994 | DE4401840A1 Centreless conveyor screw esp. for sedimentation and clarification tanks - comprises helical element consisting of metal strip attached to inner edge of screw extends in direction of conveying |
| 06/08/1994 | CN2167985Y Sinking-floating type quick-coagulating purificating device for treatment of water |
| 06/08/1994 | CN1087609A A purification system and a lamella separator for sedimentation of particles |
| 06/08/1994 | CN1087608A Method and apparatus for purifacation of waste water |
| 06/08/1994 | CN1087557A Concentration method for removing iron from potash feldspar |
| 06/08/1994 | CN1024925C Process for extracting industrial enzyme by flocculation separation under electric field |
| 06/08/1994 | CA2103331A1 Phase separator |
| 06/07/1994 | US5318707 Flocculation or coagulation of solids with a carboxylic acid/ sulfonic acid polymer; high molecular weight |
| 06/07/1994 | US5318500 Method for controlling intermittently discharged centrifuges |
| 06/01/1994 | EP0599651A2 Bioreactor for the perfusion culture of cells |
| 06/01/1994 | EP0599324A1 Device for flocculation of solids from suspensions |
| 06/01/1994 | EP0403590B1 Apparatus and method for liquid treatment |
| 06/01/1994 | DE4240064A1 Waste water cleaning process and plant - by holding water in solid bed reactor with air flow, passing through adsorption tank, adding precipitant and sepg. pollutants by flotation and filtration |
| 05/31/1994 | US5316685 Seed and water slurry |
| 05/31/1994 | US5316671 Submersible aeration train and aeration apparatus for biological purification of sewage |
| 05/31/1994 | US5316667 Time based interface detection systems for blood processing apparatus |
| 05/31/1994 | US5316666 Blood processing systems with improved data transfer between stationary and rotating elements |
| 05/31/1994 | US5316029 Oil separator |
| 05/26/1994 | WO1994011312A1 A purification system and a lamella separator for sedimentation of particles |
| 05/26/1994 | WO1994011085A1 Filtration of soot/ash water slurries and improved partial oxidation process for hydrocarbon feedstocks |
| 05/26/1994 | WO1994011081A1 Sedimentation apparatus |
| 05/26/1994 | CA2109897A1 Bioreactor for the perfusion culture of cells |
| 05/24/1994 | US5314625 External oil pan magnet |
| 05/24/1994 | US5314018 Apparatus and method for separating solid particles from liquids |
| 05/19/1994 | DE4238109A1 Method and appts. for sucking off glowing particles and gases - from welding process with recirculation of cleaned water |
| 05/18/1994 | CN2164890Y Built-up glass fibre reinforced plastic inclined plate settling tank |
| 05/18/1994 | CN2164889Y Cone hydraulic cyclone clarificator |
| 05/18/1994 | CN1024529C Polymeric basic aluminium silicate sulphate |
| 05/17/1994 | CA1329590C Mixed hydrophobe polymers |
| 05/11/1994 | WO1994009908A1 Vortex flocculation of solids suspended in liquid |
| 05/11/1994 | EP0596052A1 Method and inlet device for feeding flat sand traps and settling tanks. |
| 05/11/1994 | EP0595898A1 Paint detackifying and flocculating composition and process |
| 05/11/1994 | EP0595816A1 Material treatment apparatus |
| 05/11/1994 | DE4243171C1 Grit trap esp. for clarification plant - avoids sludge formation at low and normal throughputs |
| 05/11/1994 | CA2127128A1 Vortex flocculation of solids suspended in liquid |
| 05/10/1994 | US5310481 Apparatus for continuously separating a mixture of fluids having different densities |
| 05/10/1994 | US5310459 Apparatus and method for deinking waste paper pulp |
| 05/05/1994 | DE4237212A1 Waste or rain water swirl tank - has discharge-accelerating baffle to prevent solids deposition |
| 05/05/1994 | DE4236756A1 Sepn of solids from sludge - uses controlled feed of flocking polymers according to measurement of cloudiness |
| 05/04/1994 | EP0595359A1 Method and device for wastewater purification |
| 05/04/1994 | EP0594800A1 Device for removing purified water from circular settling tanks. |
| 05/04/1994 | EP0594674A1 Apparatus for treatment of a liquid |
| 05/04/1994 | EP0594604A1 Particle manipulation in an ultrasonic field. |
| 05/04/1994 | CN1086195A High-efficiency water-purifying agent production method and its product polysulphide aluminium ferric chloride |
| 05/03/1994 | US5308504 Pumps and detectors for flow control systems |
| 04/28/1994 | WO1994008692A1 Enhanced yield collection systems and methods for obtaining concentrated platelets from platelet-rich plasma |
| 04/28/1994 | WO1994008691A1 Enhanced yield blood processing systems and methods establishing vortex flow conditions |
| 04/28/1994 | WO1994008690A1 Time based interface detection systems for blood processing apparatus |
| 04/28/1994 | WO1994008689A1 Blood processing systems with improved data transfer between stationary and rotating elements |
| 04/28/1994 | WO1994008688A1 Compact enhanced yield blood processing systems |
| 04/28/1994 | WO1994008687A1 Enhanced yield platelet collection systems and methods |
| 04/28/1994 | DE4335996A1 Cleaning lightly soiled water supplies - using reaction agent and coagulant together with compressed air to separate impurities with bubbles for removal |
| 04/28/1994 | DE4331322A1 Sludge cleaning - uses counterflow of water with intensive mixing to remove light matter at the overflow and heavy matter from the under flow |
| 04/28/1994 | DE4318522A1 Device to charge basin for sepn. process or sewage treatment - has drop tube with structured trumpet mouth expansion for a Coanda effect on material passing into circular basin |
| 04/28/1994 | DE4235438A1 Drainage system for Dortmund-type settling tanks - consisting of perforated pipe below surface of clear water zone |
| 04/28/1994 | CA2124816A1 Enhanced yield collection systems and methods for obtaining concentrated platelets from platelet-rich plasma |
| 04/26/1994 | US5306425 Wastewater treatment mechanism |
| 04/26/1994 | US5306422 Compact clarifier system for municipal waste water treatment |
| 04/20/1994 | EP0593144A2 Drainage scoop wheel |
| 04/20/1994 | CN1085524A Rapid method for processing cuprous chloride with acid pickle and copper scrap |
| 04/20/1994 | CN1085463A Transporting element of a reciprocable scraper for moving sludge in settling basins and similar objects at water purification plants |
| 04/20/1994 | CA2108751A1 Flow control system |
| 04/19/1994 | CA1328594C Basic aluminium chlorosulphate, process for its fabrication and its use as a flocculating agent |
| 04/14/1994 | WO1994007602A1 Method for controlling the regeneration of a water treatment system |
| 04/14/1994 | WO1994007583A1 Reciprocable scraper transporting device for moving floating sludge at settling basins and the similar at water purification plants |
| 04/14/1994 | DE4233719A1 Sepn. of dissolved solids from liquid solns. e.g. for water purification - with addition of liquid, pref. ethanol@ to solids enriched liquid phase to effect precipitation |
| 04/12/1994 | US5302295 Method of sludge removal |
| 04/12/1994 | US5302289 Based upon bouyancy |
| 04/12/1994 | US5302273 Induced ionic reaction device with radial flow |
| 04/07/1994 | DE4331687A1 Filter insert unit |
| 04/07/1994 | DE4305104C1 Coagulant for paint and=or wax in wet separators - contains an aq soln or suspension of shellac, balsamic resin or other natural resin as an amine, alkanolamine or alkali salt |
| 04/06/1994 | EP0590896A1 Method for treating deink wastes melamine aldehyde-type polymers |
| 04/06/1994 | CN1024127C Method and apparatus for seawater clearing |
| 04/05/1994 | US5300222 Water clarification method and apparatus |