| Patents for B01D 21 - Separation of suspended solid particles from liquids by sedimentation (18,338) |
|---|
| 03/10/1992 | CA1297060C Oil sand cleaning apparatus |
| 03/10/1992 | CA1296899C Time-controlled processes for agglomerating coal |
| 03/06/1992 | CA2036732A1 Ash vibration process and apparatus |
| 03/05/1992 | CA2050534A1 Apparatus for treatment of affluent |
| 03/04/1992 | EP0372016B1 Method in the processing of aluminium and the use of certain acids in oils therefor |
| 03/03/1992 | US5093009 Process for purifying water using a polymer flocculating agent |
| 03/03/1992 | US5092996 Blood filtering system |
| 03/03/1992 | CA1296653C Cantilevered flight attachment for nonmetallic chain |
| 02/26/1992 | EP0472075A2 Process for the preparation of polysaccharides |
| 02/26/1992 | CN1058984A Separating quinoline non-soluble composition from tar |
| 02/25/1992 | CA1296263C Oil-water separator |
| 02/19/1992 | EP0471597A1 Composition comprising a polysaccharide obtained by microbial fermentation |
| 02/19/1992 | EP0471408A1 Method for recovering proteins using xanthan gum |
| 02/19/1992 | EP0471295A1 Protein precipitation reagent |
| 02/18/1992 | US5089136 Second network of parallel plates or tubes |
| 02/18/1992 | US5089118 Settling tank spray system |
| 02/17/1992 | CA2023383A1 Siphon gravity classifier and clarifier |
| 02/16/1992 | CA2048314A1 Protein precipitation reagent |
| 02/15/1992 | CA2023275A1 Sediment collector and separator for drainage systems |
| 02/13/1992 | DE4025463A1 Rain water tank for sepg. light and heavy impurities - restricts outflow flow to raise water level above normal and trap floating impurities, and collects sediment |
| 02/13/1992 | DE4024947A1 Procedure for treatment of waste water - involves continuously monitoring flow rate, ph, temp. and compsn. in activated sludge tank to control water treatment process |
| 02/12/1992 | CN1058542A High efficient coagulating-settling tank |
| 02/11/1992 | US5087379 Recovering mineral particles from ores or coal particles from slurries |
| 02/11/1992 | US5087356 Solder dross removal apparatus |
| 02/11/1992 | US5087355 Automatically self-flushing filter |
| 02/06/1992 | DE4119549A1 Emptying of liq. separators, in separator system - where water is pumped from one separator into another operating in parallel, before first separator is emptied of sepd. material |
| 02/06/1992 | DE4025063A1 Improved mechanical removal of water from industrial or natural sludge - by addn. of complex hydrophilic and/or hydrophobic inorganic additive |
| 02/05/1992 | EP0469953A1 Composition comprising a succinoglycane |
| 02/05/1992 | EP0469764A2 Apparatus for grinding nuclear fuel pellets |
| 02/05/1992 | EP0469582A1 Process and apparatus for the treatment of polluted liquids |
| 02/04/1992 | US5085783 Acoustically driven particle separation method and apparatus |
| 01/29/1992 | EP0467887A1 Clarification process. |
| 01/28/1992 | US5084186 Sedimentation control process |
| 01/28/1992 | US5084168 System for removing substances from a solution |
| 01/28/1992 | CA1294848C Method for improving the utilization of polyelectrolytes in dewatering aqueous suspensions |
| 01/23/1992 | WO1992000789A1 Reclamation system for contaminated material |
| 01/22/1992 | CN2093685U Corner-unfilled square pipe chute |
| 01/21/1992 | US5082572 Ash vibration process and apparatus |
| 01/20/1992 | WO1992001516A1 Separator |
| 01/20/1992 | CA2085609A1 Separator |
| 01/15/1992 | EP0465485A1 Method for separating oil and water emulsions. |
| 01/15/1992 | CN2093028U Solid-liquid separator |
| 01/14/1992 | US5080803 Flocculation, clarification, at or above the boiling point of the liquid in suspension |
| 01/09/1992 | WO1992000247A1 Purification of aqueous liquor |
| 01/09/1992 | WO1992000131A1 Sedimentation device |
| 01/08/1992 | EP0465286A1 Grafted polysaccharides, process for their preparation and their application as sequestering agents |
| 01/07/1992 | US5078869 Clarifier cleaning apparatus |
| 01/07/1992 | US5078861 Water clarifying apparatus |
| 01/02/1992 | EP0463195A1 Movable device for the purification of all kinds of sewage |
| 01/02/1992 | EP0417114A4 Separating constituents of a mixture of particles |
| 01/02/1992 | DE4119154A1 Device for treating wastewater, comprises sludge trap chamber for collecting sludge and solids contained in the wastewater, filter chamber for collecting floats and immiscible light liquids, inlet, outlet and coalescence filter box |
| 01/02/1992 | DE4020261A1 Inclined, vibratory, slurry dewatering conveyor - having upper dewatered solids outlet and lower trough with overflow for liq. discharge, for single stage reclamation |
| 01/02/1992 | DE4019791A1 Skimming system for incorporation in hull or floating body - for two=stage removal of oil or chemicals from water surface with improved performance at lower cost |
| 12/31/1991 | US5076939 Adjusting alkalinity, adding alumina-coated silica and polymeric flocculant; automobiles |
| 12/31/1991 | US5076915 Apparatus for removing suspended solids from a liquid |
| 12/31/1991 | US5076914 Apparatus for separating ferromagnetic materials from fluid media |
| 12/31/1991 | US5076846 One step grinding and dispersion |
| 12/30/1991 | WO1992000248A1 Purification of aqueous liquor |
| 12/30/1991 | CA2075946A1 Purification of aqueous liquor |
| 12/27/1991 | EP0462317A2 Apparatus and method for the precipitation of polymers |
| 12/26/1991 | WO1991019679A1 Coagulants based on double-layer hydroxide compounds |
| 12/24/1991 | US5075001 Method and apparatus for recovering fibrous material from a paper/pulp process water stream |
| 12/24/1991 | CA2045307A1 Apparatus for the purification of waste water |
| 12/17/1991 | US5073266 Apparatus for separating commingling heavier and lighter immiscible |
| 12/17/1991 | US5073258 Apparatus for removing contaminants from a liquid reservoir |
| 12/14/1991 | CA2044337A1 Device and process for precipitating polymers |
| 12/12/1991 | DE4018628A1 Koagulationsmittel auf der basis von doppelschichthydroxid-verbindungen Coagulating agent on the basis of double layer hydroxide compounds |
| 12/12/1991 | DE4018287A1 Flocculating agent for purificn. of waste water - comprises acid soln. of salts of polyvalent metals and cationic polymeric carbohydrate |
| 12/11/1991 | EP0460214A1 Flocculating apparatus |
| 12/10/1991 | US5071566 Process for the separation of solid phase from liquid substance, particularly for waste water purification |
| 12/05/1991 | WO1991018836A1 Improved water clarifying apparatus |
| 12/05/1991 | CA2084647A1 Water clarifying apparatus |
| 12/05/1991 | CA2018310A1 Device for the flow-through separation of oil from water with meander-shaped flow |
| 12/04/1991 | EP0238510B1 Water filtering system |
| 12/03/1991 | US5069893 Polymeric basic aluminum silicate-sulphate |
| 12/03/1991 | US5069784 Coagulation reaction tank |
| 11/28/1991 | WO1991017805A1 Modular clarifier with integral flocculator |
| 11/27/1991 | EP0457951A1 Device for the flow separation of oil from water with flow in meander form |
| 11/26/1991 | US5068031 Sludge treatment apparatus |
| 11/21/1991 | EP0457411A1 Method and device for separating a light material fraction from a heavy material fraction from a mixture of the two fractions of solid materials |
| 11/21/1991 | EP0456997A2 Device for separating solids from a liquid |
| 11/21/1991 | DE4110091A1 Light-liq. separator using sedimentation and gravitational sepn. |
| 11/21/1991 | DE4105151A1 Supply of energetic flow of water into two neighbouring parts - consists of tilting device with two chambers to discharge water into compartments |
| 11/21/1991 | DE4028905C1 High purity recycling of paints, lacquers or solvents contg. impurity - is by adjusting solid content, sedimenting coarse, particles, basifying supernatant, acidifying, pptn., etc. |
| 11/21/1991 | DE4015640A1 Ring-chamber oil separator - where inclined floor with spray nozzles and moving chain system allows deposits to be automatically removed from the base of the separator |
| 11/21/1991 | DE4015577A1 Cleaning of rainwater tanks of drainage system - involves jets of water using water in tank |
| 11/13/1991 | EP0442944A4 Horizontal removable pump for filtration systems |
| 11/12/1991 | US5064909 Vinylamine copolymer, flocculating agent and paper strength increasing agent using the same, as well as process for producing the same |
| 11/12/1991 | CA1291953C Buoyant filter media |
| 11/08/1991 | EP0465485A4 Method for separating oil and water emulsions. |
| 11/07/1991 | DE4014309A1 Flocculant combination of polymer and low mol. polyionic cpd. - used for clarifying slurry and mud, giving synergistic effect |
| 11/06/1991 | EP0455077A2 Combined flocculent |
| 11/06/1991 | CN2087984U Hydraulic supercirculation flocculation settler |
| 11/05/1991 | US5062940 Electrolytic liquid purification apparatus |
| 11/05/1991 | CA2041627A1 Combination flocculants |
| 10/31/1991 | WO1991016270A1 Process and apparatus for biological treatment of effluent |
| 10/30/1991 | CN2087655U Hydraulic whirl medicine dissolving tank |
| 10/29/1991 | US5061378 Sludge transfer systems and methods |
| 10/29/1991 | US5061375 Waste water treatment; minimization of removal of organic particles |
| 10/29/1991 | CA1291594C Agent for the removal of nucleic acids and/or endotoxin and method for the removal thereof |