| Patents for B01D 21 - Separation of suspended solid particles from liquids by sedimentation (18,338) |
|---|
| 08/31/1999 | US5944195 Method for separation of solids from drilling fluids by magnetic separation and centrifugation |
| 08/31/1999 | CA2096852C Improvements in fermentation apparatus |
| 08/26/1999 | WO1999042409A1 Round settling tank for separating sludge from waste water |
| 08/26/1999 | WO1999042218A1 Jet pump treatment of heavy oil production sand |
| 08/25/1999 | EP0629178B1 Apparatus for treatment of effluent |
| 08/25/1999 | EP0614401B1 Method for controlling the regeneration of a water treatment system |
| 08/24/1999 | US5942115 Self flocculating separation medium and method |
| 08/24/1999 | US5942111 Vertical cylinder for separation |
| 08/24/1999 | CA2142238C Direct centrate/filtrate return |
| 08/24/1999 | CA2103911C Centrifuge with separable bowl and spool elements providing access to the separation chamber |
| 08/24/1999 | CA2050955C Method and apparatus for removing grit from sewage |
| 08/23/1999 | CA2230306A1 Desanding system for oil tanks |
| 08/19/1999 | WO1999040995A1 Process for the treatment of waste waters |
| 08/19/1999 | WO1999040992A1 Apparatus and method for separating oil, water and solids |
| 08/19/1999 | WO1999040781A1 A filter for filtering water for a pump for a pond |
| 08/19/1999 | DE19806370A1 Decanter for single batch process waste water treatment plant |
| 08/18/1999 | EP0835224B1 Process for removing unwanted material from wanted material |
| 08/18/1999 | CN2333433Y Counterflow tilted plate tail water collecting settling pond |
| 08/17/1999 | US5938936 Method for dewatering flocculated materials |
| 08/17/1999 | US5938935 Method and apparatus for purifying and treating cooling agents and or lubricants used in the metallurgical industry |
| 08/17/1999 | US5938926 Extended dwell reverse hydrocyclone cleaner |
| 08/17/1999 | US5938128 Process and apparatus for treating composite elements |
| 08/17/1999 | CA2121834C A container for receiving and separating a fluid, preferably blood plasma, into its ingredients |
| 08/12/1999 | WO1999039800A1 Modular lamellar clarifier |
| 08/11/1999 | CN1225338A Bio-floculation wastewater treatment utilizing synthesized micro-organism/polyester |
| 08/10/1999 | US5935432 Centrifuge reagent delivery system |
| 08/10/1999 | US5935426 Water treatment device with volumetric and time monitoring features |
| 08/10/1999 | US5935053 Fractionator |
| 08/05/1999 | WO1999038809A1 Methods and compositions for treating paint spray booth water |
| 08/05/1999 | CA2318181A1 Methods and compositions for treating paint spray booth water |
| 08/04/1999 | EP0933110A1 Clarification apparatus for a liquid loaded by flotation |
| 08/04/1999 | EP0933066A2 A separator centrifuge |
| 08/04/1999 | EP0932436A1 Water and wastewater treatment system with internal recirculation |
| 08/04/1999 | CN2331404Y Equipment for realizing reaction, preformed precipitate and precipitate technology of wate treatment |
| 07/29/1999 | WO1999037589A1 Thickening of aqueous mineral suspensions |
| 07/29/1999 | WO1999037378A1 Clarifier feedwell |
| 07/29/1999 | WO1999037377A1 Coagulating/condensing device and method |
| 07/29/1999 | DE19801733A1 Centrifuge separating biological contaminants, e.g. meat, protein, food residues from waste water |
| 07/29/1999 | DE19801104A1 Flood water overflow sieve at flood barrier |
| 07/29/1999 | CA2318895A1 Clarifier feedwell |
| 07/29/1999 | CA2317636A1 Thickening of aqueous mineral suspensions |
| 07/28/1999 | EP0789669B1 Blends of hydroxamated polymer emulsions with polyacrylate emulsions |
| 07/28/1999 | CN2330397Y Automatic cleaning device for drain channel of sedimentation tank |
| 07/28/1999 | CN1223968A Method and system for auto-control of injection of coagulant |
| 07/27/1999 | US5928524 Containing plurality of plates causing oil globules to be separated |
| 07/27/1999 | US5928522 Method for processing oil refining waste |
| 07/27/1999 | US5928519 Controlling operating pressure in high pressure separator which receives bore hole fluid by controlling the outflow of gas from separator in response to pressure variations within bore hole during under-balanced drilling |
| 07/27/1999 | US5928509 Bubble floating type separator |
| 07/27/1999 | US5928493 Process and apparatus for electrocoagulative treatment of industrial waste water |
| 07/27/1999 | US5928492 Method and apparatus for recovery of water and slurry abrasives used for chemical and mechanical planarization |
| 07/22/1999 | CA2552444A1 System and method for separation of particles |
| 07/21/1999 | EP0929582A1 Cationic water-soluble polymer precipitation in salt solutions |
| 07/21/1999 | CN1044202C Liquid treatment equipment and process for separating solid or liquid particle from liquid |
| 07/20/1999 | US5925242 Sand trap and flow controller mechanism for a bathtub |
| 07/20/1999 | CA2093142C Separation method and products from oil sands fine tails/sludge |
| 07/15/1999 | DE19757156A1 Two-stage swirl chamber for centrifugal cleaning of liquids and gases |
| 07/14/1999 | EP0606398B1 Improved deinking method using ink agglomeration |
| 07/14/1999 | CN1222607A Highly concentrated aqueous suspension of minerals and/or fillers and/or pigments |
| 07/13/1999 | US5923431 Spectroscopic helical separator and fluid sample interface |
| 07/13/1999 | US5922403 Adding encapsulant to highly dispersed colloidal suspension of solid particles to encapsulate individual particles; agglomerating; isolating encapsulated particles by separation from solvent layer |
| 07/13/1999 | CA2088929C Method and apparatus for the purification of liquids |
| 07/09/1999 | CA2256821A1 Separator for gases, liquids and solids from a well |
| 07/08/1999 | WO1999033541A1 Coagulation precipitator |
| 07/08/1999 | CA2282578A1 Coagulation precipitator |
| 07/07/1999 | EP0927788A2 Process and apparatus for separating heavy and light materials from a suspension |
| 07/07/1999 | EP0927579A2 Method and device for removing solids from a solid-liquid mixture |
| 07/07/1999 | EP0820335B1 Settling device for a fluid containing liquid, gas and particulate material, as well as a cleaning device provided herewith and a method for cleaning waste water |
| 07/07/1999 | EP0618829B1 Time based interface detection systems for blood processing apparatus |
| 07/07/1999 | CN2327432Y Apparatus for recovery of scouring liquid for degritting |
| 07/06/1999 | US5919975 Aromatic and aliphatic sulfonates and properties and applications thereof |
| 07/06/1999 | US5919377 System for transporting solid materials |
| 07/01/1999 | WO1999032207A1 Wastewater treating agent, method for wastewater treatment, sludge dehydrant, and method for sludge treatment |
| 07/01/1999 | DE19756841A1 Small sewage purification plant |
| 06/30/1999 | EP0608352B1 Separators |
| 06/30/1999 | EP0601140B1 Separating device for separating a flow of analysis samples from waste water |
| 06/30/1999 | CN1043851C Systems and methods for processing blood |
| 06/24/1999 | WO1999031347A1 Arrangement in a separator |
| 06/24/1999 | WO1999030794A1 Water continuous emulsion polymers for improving the efficiency of filtration, clarification and scale control in the bayer process |
| 06/24/1999 | CA2314946A1 Water continuous emulsion polymers for improving the efficiency of filtration, clarification and scale control in the bayer process |
| 06/23/1999 | EP0924167A2 Amphoteric polymer/polyamine combinations for color removal and clarification of paper mill waste water |
| 06/23/1999 | EP0923971A1 Process and apparatus for feeding settling tanks |
| 06/23/1999 | EP0923969A1 Method and apparatus for freeze-concentrating substances |
| 06/23/1999 | EP0923415A1 Tubing set, apparatus, and method for separation of fluid components |
| 06/22/1999 | US5914049 Method and apparatus for helical flow in a header conduit |
| 06/22/1999 | US5914034 Centrifugal flotation cell with rotating feed |
| 06/18/1999 | CA2256244A1 Method and apparatus for freezeconcentrating substances |
| 06/18/1999 | CA2255457A1 Amphoteric polymer/polyamine combinations for color removal and clarification of paper mill waste water |
| 06/16/1999 | EP0922475A1 Equipment for the deposition of adherent material contained in a suspension |
| 06/16/1999 | CN2324147Y Frame type corrugated plate flocculating device |
| 06/16/1999 | CN2323846Y Ash and water separator |
| 06/16/1999 | CN1219439A Condensing precipitator |
| 06/15/1999 | US5912182 Particle aggregation method and apparatus |
| 06/15/1999 | US5911541 Thin layer solvent extraction |
| 06/15/1999 | US5911241 Methods and apparatus for sludge collection |
| 06/15/1999 | CA2136200C Water clarifier with first filtrate isolation, improved backwashing and improved bubble generation |
| 06/10/1999 | DE19855914A1 Weir spillway for treated sewage |
| 06/10/1999 | DE19826038A1 Variable-height surface sludge collection gully rim assembly |
| 06/10/1999 | DE19754273A1 Tilt gully assembly for heavy metalworking operations, e.g. steel extrusion |
| 06/10/1999 | DE19754272A1 Pumping station for solids separator in iron and steel industry |
| 06/10/1999 | DE19754058A1 Sludge clearing assembly for water treatment plant basin captures sludge |