| Patents for B01D 37 - Processes of filtration (4,716) |
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| 05/25/1988 | EP0268009A1 Filter cartridge |
| 05/19/1988 | DE3637425A1 Process and apparatus for dewatering sludge-like materials |
| 05/18/1988 | EP0267701A1 Flow controller |
| 05/05/1988 | WO1988003049A1 Filter device with liquid-wetted filter elements |
| 05/05/1988 | WO1988003048A1 Process and installation for dewatering waste water sludge |
| 05/04/1988 | EP0265941A1 Process for the chemical-physical treatment of waste water |
| 05/03/1988 | US4741836 Sludge treatment process |
| 04/28/1988 | DE3635766A1 Apparatus for dewatering sludge and similar substances |
| 04/27/1988 | EP0264900A2 Pre-dehydration step for mud and similar products |
| 04/27/1988 | EP0264899A2 Dehydration device for muds and similar products |
| 04/27/1988 | EP0193565A4 Apparatus for clarification of water. |
| 04/12/1988 | US4736671 Fluid pressure control device |
| 04/06/1988 | EP0262418A2 Porous filter element and method of manufacturing same |
| 04/06/1988 | EP0262398A1 Pre-coat filter |
| 03/29/1988 | US4734207 Purification of oils containing solid matters in suspension |
| 03/15/1988 | US4731260 Hydrophobic filter material and method |
| 03/15/1988 | CA1234056A1 Secondary flow fluid filter |
| 03/01/1988 | US4728437 Treatment and disposal of wastewaters containing carbon black and ash |
| 03/01/1988 | US4728413 Agitated dewaxing employing modified agitator means |
| 02/24/1988 | CN87203345U Separating unit for dirt |
| 02/16/1988 | US4725362 Treatment techniques for drill fluids, cuttings and other oil field wastes |
| 02/03/1988 | EP0254776A2 Filter for lubricants of internal combustion engines, with a reserve of additives |
| 01/28/1988 | DE3625094A1 Apparatus for filtering out solids from a liquid stream |
| 01/20/1988 | EP0253315A1 Filter press |
| 01/14/1988 | WO1988000345A1 Method and apparatus for qualitative and/or quantitative analysis of antigens, antibodies, mircroorganisms or other cells |
| 01/12/1988 | US4718236 Apparatus and method for mineral recovery from geothermal and geopressured brines |
| 01/05/1988 | US4717406 Cryogenic liquified gas purification method and apparatus |
| 12/23/1987 | EP0170679B1 Methods of and apparatus for recovering a constituent of a process effluent |
| 12/15/1987 | US4713444 Finishing method of polymer slurry |
| 12/08/1987 | US4711728 Treating spent filter media |
| 12/02/1987 | EP0247762A1 Method of improving filtration of wax from wax/oil slurry by agitation with modified agitator means |
| 12/01/1987 | US4710306 Adding a soluble aluminum salt ot a brine; neutralization and filtration |
| 12/01/1987 | US4710298 Blend of cationic flocculant and fibers |
| 12/01/1987 | US4710290 Fluid clarifying assembly |
| 11/25/1987 | CN87103349A 流体净化系统 Fluid purification system |
| 11/24/1987 | US4708797 Rotary disc filter element |
| 11/19/1987 | WO1987006841A1 Fluid purification system |
| 11/19/1987 | EP0245585A2 A filtration apparatus |
| 11/17/1987 | US4707272 Method for controlling and optimizing the operation of a perforated belt press for filtering slurry |
| 11/10/1987 | US4705672 Process to improve the removal of suspended solids in leached uranium ore clarification |
| 11/10/1987 | US4705640 Degradation of polymer flocculants |
| 11/03/1987 | US4704210 Process and apparatus for filtering fluids |
| 11/03/1987 | CA1228820A1 Heel recovery filtration process and apparatus |
| 10/28/1987 | EP0243243A2 Process and apparatus for separating constituent parts from a suspension |
| 10/28/1987 | EP0242429A2 Filtration device for oils |
| 10/06/1987 | US4698166 Multiple filtrations of heated alcohol-bakers yeast slurry to remove bacteria |
| 10/06/1987 | CA1227691A1 Precoat filter and method for neutralizing sugar syrups |
| 09/24/1987 | DE3609638A1 Method for the filtration of a poorly-filtrable beer-yeast mixture |
| 09/22/1987 | US4695381 Filter for continuous filtering of a suspension under pressure |
| 09/15/1987 | US4693835 Filter process and its device |
| 09/15/1987 | US4693820 Filtering, conditioning for horticultural uses |
| 09/09/1987 | EP0235933A1 Dewatering slurries |
| 09/08/1987 | CA1226530A1 Liquide filtration device |
| 08/27/1987 | WO1987005005A1 A method and an apparatus for separating solid particles from a liquid |
| 08/25/1987 | US4689153 Efficient |
| 08/18/1987 | US4687583 Controlled continuous rotation to deposit lime sludge on drum, then detaching |
| 08/18/1987 | CA1225519A1 Clarification of high density brine fluids |
| 08/05/1987 | EP0230683A1 Basic sediment and water content measurement apparatus and method |
| 07/01/1987 | EP0227084A1 Filter press |
| 07/01/1987 | EP0226659A1 Filter press |
| 06/30/1987 | CA1223552A1 Installation and process for separating the constituents of a suspension |
| 06/23/1987 | US4675116 Dewatering solids suspensions with controlled flocculant addition |
| 06/16/1987 | US4673493 Apparatus for supplying filtered liquid |
| 05/12/1987 | CA1221654A1 Process for cleaning of coke tars with high solids content |
| 04/28/1987 | CA1221037A1 Separation process |
| 04/23/1987 | WO1987002267A1 Blood serum test strip |
| 04/21/1987 | US4659483 Controlling the quantity being fed by the feed pumps by speed control, whereby increasing the charging pressure |
| 04/21/1987 | US4659462 Apparatus for pretreatment of water using a bed of granular activated carbon |
| 04/21/1987 | CA1220616A1 Methods of and apparatus for recovering a constituent of a process effluent |
| 04/14/1987 | CA1220438A1 Process for cleaning of coke tars with high solids content |
| 04/08/1987 | EP0217733A1 Process for the systematic treatment of exhaust gases |
| 04/07/1987 | US4655938 Process and contrivance for the regeneration of lubricating oils |
| 03/26/1987 | DE3533306A1 Process for separating and clear filtration of suspensions and apparatus therefor |
| 03/25/1987 | EP0215653A2 Filtration apparatus control |
| 03/25/1987 | EP0215087A1 Cross-flow filtration. |
| 03/11/1987 | EP0213402A2 Process for the purification and disposal of waste water containing soot and ashes |
| 02/26/1987 | DE3529755A1 Dewatering process for sludge |
| 02/24/1987 | US4645605 Filtration with biogenetic silica |
| 02/24/1987 | US4645596 Prevent porous filter element clogging |
| 02/24/1987 | CA1218312A1 Filtration method and apparatus |
| 02/17/1987 | US4643827 Filter press for cake filtration |
| 02/17/1987 | CA1218022A1 Pneumatic hydro-pulse filter system and method of operation |
| 02/10/1987 | CA1217675A Continuous-operation filtration technique and equipment |
| 01/29/1987 | DE3526863A1 Process and apparatus for treating waste water of barrel finishing processes |
| 01/28/1987 | EP0209789A2 Method of separating pollutants from water-solvent mixtures |
| 01/15/1987 | DE3525230A1 Filtration apparatus |
| 01/07/1987 | EP0207366A2 Process for the filtration of dry-cleaning baths and filtration aids in the form of prepared layered silicates used thereby |
| 12/31/1986 | CN86102465A Cross-flow filtration |
| 12/30/1986 | US4632764 Sludge dewatering process using multiple layer plate |
| 12/17/1986 | EP0204871A1 Process and apparatus for filtration of oil and gas well fluids |
| 12/10/1986 | EP0204642A1 Process for the high temperature treatment of an aqueous suspension containing clay in the form of a stable dispersion |
| 12/09/1986 | US4627914 Device for automatic control of pressure filters |
| 12/03/1986 | EP0203206A1 Backwash precoat candle filter with suspended candles, and use of a slit tube therefor |
| 12/02/1986 | US4626345 Flocculation, floatation, and filtration; for drinking |
| 11/05/1986 | EP0200032A2 Process for the separation of high quality biotechnologically prepared compounds by cross-flow microfiltration |
| 11/04/1986 | US4621141 Additives for improving low temperature characteristics of fuels and method for use thereof |
| 10/28/1986 | US4619769 Process for regenerating media filters used to filter geothermal brine |
| 10/28/1986 | US4619768 Method of removing crude oil sludge |
| 10/21/1986 | US4618431 Reducing effects of fluctuating fluid pressure differentials |
| 10/08/1986 | EP0196507A1 Method to regulate and optimize the operation of a sieve belt press for filtering pulps |