| Patents for B01D 21 - Separation of suspended solid particles from liquids by sedimentation (18,338) |
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| 09/16/1997 | US5667686 Hydrocyclone for liquid - liquid separation and method |
| 09/10/1997 | EP0794153A1 Process for the preparation of basic aluminium polychlorosulphates and its use |
| 09/09/1997 | US5665605 Particle aggregation method and apparatus |
| 09/09/1997 | US5665247 Maintaining a differential pressure substantially constant over a multiwell microfiltration device |
| 09/09/1997 | US5665245 By negative pressure generated by jet pump; water treatment |
| 09/09/1997 | US5665243 Method for removing metal contained in solution using surfactant having chelating ability |
| 09/09/1997 | US5665226 Substance collecting apparatus for precipitation classifying device |
| 09/04/1997 | DE19706775A1 Mince meat washing assembly incorporates sludge settlement water tank |
| 09/03/1997 | EP0792950A1 Method of discharging settling solid particles and apparatus therefor |
| 09/03/1997 | EP0749344A4 Method and apparatus for disposal of biological waste |
| 09/03/1997 | EP0646136B1 Preparation of a solid ziegler catalyst by using a multifunctional, pivoting, inclinable reactor and the equipment for this |
| 09/03/1997 | EP0633866B1 Method and apparatus for batchwise biological and chemical purification of soil water |
| 09/03/1997 | EP0607447B1 Sludge scraping apparatus |
| 09/02/1997 | US5663285 Blood compatible, shear sensitive formulations |
| 09/02/1997 | US5663045 Method for testing blood units for viral contamination |
| 09/02/1997 | US5662826 Process for the preparation of a coagulating chemical comprising dissolving a solid zeolite in a solution of trivalent metal salt |
| 09/02/1997 | US5662813 Method for separation of nucleated fetal erythrocytes from maternal blood samples |
| 09/02/1997 | US5662810 Method and apparatus for efficiently dewatering corn stillage and other materials |
| 09/02/1997 | US5662807 Apparatus and method for handling waste |
| 09/02/1997 | US5662805 Automatic testing, filtration for dewatering by adding flocculants |
| 09/02/1997 | US5662804 Method and apparatus for separating non-soluble particles from a liquid |
| 09/02/1997 | US5662793 Valve assembly of a reverse osmosis water purification system |
| 09/02/1997 | US5662167 Oil production and desanding method and apparatus |
| 08/28/1997 | DE19606954A1 Conveying sinter material occurring during rolling |
| 08/27/1997 | EP0791561A2 Structure for multistage biological purification of waste water |
| 08/27/1997 | EP0791385A1 Method for reusing water soluble slurry waste fluid |
| 08/27/1997 | EP0790851A1 Activated sludge degassing process and device |
| 08/27/1997 | CN2260801Y Fully-automatic water-purifying device |
| 08/26/1997 | US5660732 Method of separating oleophilic-hydrophobic material from wash water |
| 08/26/1997 | CA2096341C Continuous soap skimmer |
| 08/21/1997 | WO1997030268A1 Subsea raw water injection facility |
| 08/21/1997 | WO1997030093A1 Pectin fibers |
| 08/21/1997 | WO1997029882A1 Method and apparatus for supplying and separating recovering liquid coolant for cutting machines and grinding machines |
| 08/21/1997 | DE19606084A1 Cleaning process for concrete pump assembly |
| 08/21/1997 | CA2246703A1 Pectin fibers |
| 08/21/1997 | CA2245893A1 Method and apparatus for supplying and separating recovering liquid coolant for cutting machines and grinding machines |
| 08/20/1997 | EP0790217A1 Coagulating agent |
| 08/20/1997 | EP0789669A1 Blends of hydroxamated polymer emulsions with polyacrylate emulsions |
| 08/19/1997 | US5658533 For blood |
| 08/19/1997 | US5658462 Heating animal fat carrier to dissolve fatty component; mixing; separation |
| 08/19/1997 | US5658461 Sedimentation apparatus |
| 08/19/1997 | US5658458 Apparatus for removing suspended inert solids from a waste stream |
| 08/14/1997 | DE19604446A1 Gravity grease separation process returns concentrated residue to emptied holding vessel |
| 08/13/1997 | EP0789241A1 Composition for separating serum or plasma |
| 08/13/1997 | EP0788830A1 Mixing apparatus |
| 08/13/1997 | EP0588820B1 Liquid treatment |
| 08/13/1997 | CN2259214Y Lateral flow diamond frame corrugated taper sheet group settler |
| 08/12/1997 | US5656163 Chamber for use in a rotating field to separate blood components |
| 08/12/1997 | US5656154 Method and apparatus for separating a fluid into components and for washing a material |
| 08/07/1997 | WO1997027924A1 Process for centrifugal separation of material |
| 08/07/1997 | WO1997027923A1 High density thickener underflow withdrawal device |
| 08/06/1997 | EP0787686A2 Method and apparatus for treating waste water from car wasching installations |
| 08/06/1997 | CN2258792Y Aeration and air reliet sludge discharging device for settling bowl |
| 08/05/1997 | US5653889 Coating filter surface with polyamide particles and using it to trap polyamide oligomers |
| 08/05/1997 | US5653880 Device for separating and filtering particles in a flow of fluid |
| 07/31/1997 | WO1997026972A1 Process for recovering components of a float material from waste water treatment system |
| 07/30/1997 | EP0785910A1 A fluid treatment system |
| 07/29/1997 | US5651466 Swirl type foreign material removing machine and method of removing foreign material by the machine |
| 07/24/1997 | DE19651369A1 (Semi)-mobile automatic high pressure washing unit for vehicle tyres |
| 07/23/1997 | EP0785027A1 Scoop wheel |
| 07/23/1997 | EP0785011A1 Apparatus for and method of separation of water and colloidal particles by agglomeration |
| 07/23/1997 | EP0784596A1 Purification process of polar liquid wastes containing suspended solvated particles and flocculating composition therefor |
| 07/23/1997 | EP0784496A1 Systems and methods for separating erythrocytes |
| 07/23/1997 | CN2258162Y Waste-water purifier for use in yellow phosphorus industry |
| 07/23/1997 | CN1155251A Apparatus and method for separating solids from flowing liquids or gases |
| 07/22/1997 | US5650149 Triglyceride oleate, yeast extract, cysteine hydrochloride |
| 07/22/1997 | US5650056 Uses a surfactant having hydrophilic, hydrophobic and chelation groups |
| 07/17/1997 | WO1997025367A1 Method of producing water-soluble condensates and addition products containing amino groups, and use of said condensates and addition products |
| 07/17/1997 | DE19600759A1 Modular device for modification of existing waste water treatment plants |
| 07/16/1997 | EP0783614A1 Separation device |
| 07/16/1997 | EP0783606A1 Process for purifying a tertiary aminoxide aqueous solution |
| 07/16/1997 | EP0526590B1 Process and apparatus for biological treatment of effluent |
| 07/10/1997 | DE19600366A1 Narrowing molecular weight distribution of ethyleneimine polymer] |
| 07/09/1997 | EP0782878A1 Cleaning device |
| 07/08/1997 | US5646270 Culturing aureobasidium; waste treatment |
| 07/08/1997 | US5645726 Treatment of waste liquor in a vertical shaft bioreactor |
| 07/08/1997 | US5645718 Reversible filter element |
| 07/08/1997 | US5645715 Collection tip for fractionating solution gradients |
| 07/02/1997 | CN1153144A Calcium base high polymeric aluminoferrite coagulating water purifying agent |
| 07/02/1997 | CN1035306C Method for treatment of soot/ash water slurries |
| 07/01/1997 | US5643470 Centrifugal flow separator method |
| 07/01/1997 | US5643463 Self-diluting feedwell for thickener dilution |
| 07/01/1997 | US5643459 Flotation method and apparatus |
| 07/01/1997 | US5643446 Fuel filter and priming pump |
| 07/01/1997 | US5643443 Water purification system |
| 06/26/1997 | WO1997022561A2 Single-tank sewage treatment plant |
| 06/26/1997 | WO1997022560A1 Fat and oil removal installation |
| 06/26/1997 | WO1997022558A1 Oil coagulant products and methods of use therefor |
| 06/25/1997 | EP0780496A1 Apparatus for growing zeolite crystals from an aqueous solution |
| 06/24/1997 | US5641414 Blood processing systems and methods which restrict in flow of whole blood to increase platelet yields |
| 06/24/1997 | US5641409 Waste recycling |
| 06/21/1997 | CA2193710A1 Apparatus for and method of separation to water and colloidal particles by agglomeration |
| 06/19/1997 | DE19652191A1 Process filtering phosphatising fluid under pressure in presence of electric field |
| 06/19/1997 | DE19621447A1 Single tank sewage treatment tank for waste water from range of sources |
| 06/19/1997 | DE19547140A1 Floating baffle plate for holding back debris |
| 06/18/1997 | EP0779247A1 Treatment method for treating effluents from a photographic development process |
| 06/18/1997 | EP0606398A4 Improved deinking method using ink agglomeration. |
| 06/18/1997 | CN2256422Y Mixing and agglutinating settling waste water treating equipment |
| 06/17/1997 | US5639382 Systems and methods for deriving recommended storage parameters for collected blood components |
| 06/17/1997 | US5639366 Concentrator for solids in a liquid medium |