| Patents for B01D 21 - Separation of suspended solid particles from liquids by sedimentation (18,338) |
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| 10/20/1998 | US5824222 Method for removing suspended inert solids from a waste stream |
| 10/20/1998 | US5824216 Blood collection container |
| 10/20/1998 | US5824210 Separation of minerals |
| 10/15/1998 | WO1998045020A1 Separator |
| 10/15/1998 | CA2286355A1 Separator |
| 10/15/1998 | CA2234856A1 Fluorescent cationic monomers useful for tagging water soluble polymers |
| 10/14/1998 | CN2294096Y Oil purification equipment |
| 10/14/1998 | CN1196000A Extended dwell reverse hydrocyclone cleaner |
| 10/13/1998 | US5820751 Water skimming apparatus for the control of sediment pollution |
| 10/13/1998 | US5819430 Bead dewatering apparatus and method |
| 10/08/1998 | WO1998043720A1 Interface detection and control systems and methods |
| 10/07/1998 | EP0808203A4 Centrifuge with annular filter |
| 10/07/1998 | CN2293369Y Swing-around planet driving automatic lifting raker efficient thickener |
| 10/07/1998 | CN2293368Y Automatic lifting raker efficient thickener |
| 10/07/1998 | CN1194882A Method and apparatus for solid-liquid separation of slurry |
| 10/06/1998 | US5818732 Batch timer initialization for a sand classifying tank |
| 10/06/1998 | US5817505 Particle settler for use in cell culture |
| 10/01/1998 | WO1998042912A1 Method for preparing alkaline solutions containing aromatic polymers |
| 10/01/1998 | DE19712298A1 Apparatus to separate blood components |
| 09/30/1998 | EP0866774A2 Single-tank sewage treatment plant |
| 09/30/1998 | EP0767698B1 Cleaning composition and ph-driven method for wastewater separation using an amphoteric carboxylate and a cationic destabilizer composition |
| 09/29/1998 | US5814232 Method of separating constitutent ingredients of mixtures by staged resonant frequency vibration |
| 09/29/1998 | US5814230 Apparatus and method for separation of solids from liquid |
| 09/29/1998 | US5814228 Flotation method and apparatus |
| 09/29/1998 | US5814217 Magnetic separator for needle-shaped chips |
| 09/24/1998 | WO1998041596A1 Method and device for purifying contaminated liquids |
| 09/24/1998 | WO1998041303A1 Separator and separation method for separating organic lightweight materials from waste water |
| 09/24/1998 | DE19717883A1 Water flow-control assembly creates repeated change from turbulent to laminar flow |
| 09/24/1998 | DE19711174A1 Verfahren und Vorrichtung zum Reinigen von Verunreinigungen enthaltenden Flüssigkeiten Method and device for purifying liquids containing impurities |
| 09/24/1998 | DE19711026A1 Closed tank holding mixture of water and floating grease or fat without air |
| 09/24/1998 | CA2279365A1 Method and device for purifying contaminated liquids |
| 09/23/1998 | EP0865812A1 Construction set for assembling separators for light and/or heavy liquids |
| 09/22/1998 | US5811061 Method and device for testing blood units for viral contamination |
| 09/22/1998 | US5811016 Circulation to separate, mechanically stirring, rinsing with fresh water, controlling discharge dependent on height of sand; purification; construction materials |
| 09/22/1998 | US5811013 Mixing oil-contaminated water with surfactant and air bubbles in separation tank, circulating portion of oil-contaminated water to bubble generator, jetting mixture into oil-contaminated water to cause flotation of oil particles |
| 09/22/1998 | US5811006 Centrifugal separator with improved quiescent collection chamber |
| 09/22/1998 | CA2043244C Apparatus for clarification of industrial sewage |
| 09/20/1998 | CA2200524A1 Separator for removing solids from drilling fluid |
| 09/17/1998 | DE19709781A1 Automotive fuel filter |
| 09/17/1998 | DE19708411A1 Verfahren und Vorrichtung zur Aufbereitung von Material Method and device for treatment of material |
| 09/16/1998 | EP0864636A1 Process and apparatus for treating cooling lubricants for machine tools or similar |
| 09/16/1998 | EP0864344A1 Inlet distributor and settling tank incorporating the same |
| 09/16/1998 | EP0863784A1 Extended dwell reverse hydrocyclone cleaner |
| 09/16/1998 | EP0863783A1 A device for separating particles from a particle containing liquid and a method for cleaning such device |
| 09/16/1998 | EP0666771A4 Systems and methods for collecting blood components. |
| 09/16/1998 | CN1192938A Apparatus and method for fluid treatment units connected in parallel |
| 09/15/1998 | US5808103 Derivatized rhodamine dye and its copolymers |
| 09/15/1998 | US5807970 Blood compatible, shear sensitive formulations |
| 09/15/1998 | US5807492 Blood processing systems and methods for collecting mono nuclear cell |
| 09/15/1998 | US5806658 Composite non-metallic and metallic chain for water treatment systems |
| 09/15/1998 | CA2112989C Compositions for treating waste water which contains heavy metals |
| 09/11/1998 | WO1998039115A1 Method and device for processing material |
| 09/11/1998 | WO1998039079A1 Equipment for the deposition of adherent material contained in a suspension |
| 09/11/1998 | WO1998030686A3 Method of purifying dna in a cross-flow centrifuge |
| 09/11/1998 | CA2199682A1 Wastewater treatment apparatus |
| 09/09/1998 | EP0813442A4 Method for enriching rare cell population |
| 09/09/1998 | EP0678008B1 Separator |
| 09/09/1998 | EP0641292B1 Water clarifier with first filtrate isolation, improved backwashing and improved bubble generation |
| 09/08/1998 | US5804081 Wastewater treatment |
| 09/08/1998 | US5804079 Systems and methods for reducing the number of leukocytes in cellular products like platelets harvested for therapeutic purposes |
| 09/08/1998 | US5804077 Adding calcium sulfate to desanded tailings to settle clay fines |
| 09/08/1998 | US5804062 Water treatment plant with clarifier and peripheral filter |
| 09/03/1998 | WO1998038134A1 Closed chemically enhanced water treatment system |
| 09/03/1998 | WO1998037991A1 Method of treating organic contaminated materials |
| 09/03/1998 | CA2286896A1 Method of treating organic contaminated materials |
| 09/02/1998 | EP0861309A1 Method for extracting oil from oil-contaminated soil |
| 09/02/1998 | EP0861212A1 High performance polymer flocculating agents |
| 09/02/1998 | CN2289590Y Suspension type dirt cleaning machine |
| 09/01/1998 | US5800717 Water and wastewater treatment system with internal recirculation |
| 09/01/1998 | US5800715 Separation of a suspension into its component parts |
| 09/01/1998 | US5800700 Sludge supernatant decanting device |
| 09/01/1998 | US5800104 Liquid coolant/lubricant recovery system for machine tools |
| 08/27/1998 | DE19707080A1 Manufacture of meat and food products by sorting joints, mince or portions into fat and lean fractions |
| 08/26/1998 | EP0860401A1 Processing waste washout liquid containing photopolymer from printing plate manufacture |
| 08/26/1998 | EP0859656A1 Centrifugal separator with improved quiescent collection chamber |
| 08/26/1998 | EP0680289B1 Liquid separating unit |
| 08/26/1998 | CN2288757Y 净水器 Water Purifier |
| 08/25/1998 | US5798038 Device for removing deposited material from a liquid in a flume |
| 08/25/1998 | US5797701 Oxidation of petrochemical pollutant such as anthrcene and naphthacene contaminating soil, with hydrogen peroxide to nonpollutant anthraquinone and naphthaquinone; soil treatment |
| 08/20/1998 | DE19705959A1 Process and assembly to determine the visual depth within a waste water sludge |
| 08/19/1998 | EP0858430A1 Removing suspended solids by addition of hydroxamated polymers in the bayer process |
| 08/19/1998 | EP0666770A4 Systems and methods for resuspending cellular-rich concentrates. |
| 08/18/1998 | US5795926 Preparation of finely divided polymer powders |
| 08/18/1998 | US5795489 Separation of particles from liquid, rotation and filtration |
| 08/18/1998 | US5795478 Oil extraction system |
| 08/18/1998 | US5795400 Method for recycling coolant for a cutting machine |
| 08/18/1998 | CA2097716C Membrane bioreactor system for treating synthetic metal-working fluids and oil-based products |
| 08/18/1998 | CA2038523C Sludge transfer systems and methods |
| 08/13/1998 | WO1998034877A2 Two-component agent for water-treatment in aquariums for tropical fish |
| 08/12/1998 | CN1190100A Aqueous dispersions based on water-soluble polymers |
| 08/11/1998 | US5792942 Apparatus for determining properties of slurry materials and sludge treating process |
| 08/11/1998 | US5792372 Enhanced yield collection systems and methods for obtaining concentrated platelets from platelet-rich plasma |
| 08/11/1998 | US5792365 Flocculation of colloidal dispersion of dissolved particles using montmorillonite in polar liquid to form aggregates |
| 08/11/1998 | US5792363 Method for removing solids from a contaminated liquid |
| 08/11/1998 | US5792347 For removing silver and iron oxide from spent photographic solutions |
| 08/11/1998 | CA2075134C Process for denaturing water-dilutable paints and solvent-based paints and denaturation solution used in this process |
| 08/06/1998 | WO1998033606A1 Continuous particle separation operation |
| 08/06/1998 | WO1998033597A1 Method and means for separating blood |
| 08/06/1998 | WO1998033534A1 Apparatus and method for blood separation |
| 08/06/1998 | DE19717748A1 Small-scale waste water treatment settlement basin pump |