Patents for B01D 37 - Processes of filtration (4,716)
11/1994
11/08/1994CA1332986C Septic tank effluent processing vapourizer
11/02/1994EP0394265B1 Method for size separation of particles
11/02/1994CN2181500Y Comprehensive waste water treating apparatus
10/1994
10/27/1994WO1994023821A1 Method and apparatus for cleaning a filter drum used for thickening lime mud
10/26/1994CN1026318C Method for recovering crystals from crystal-containing slurry
10/19/1994EP0619753A1 Process and device for removing deposits from filter auxiliaries
10/12/1994CN1093338A Filtration of soot/ash water slurries and improved partial oxidation process for hydrocarbon feedstocks
10/11/1994US5354476 Method of treating water
10/04/1994US5352362 Precipitation of metal compound; filtration
09/1994
09/29/1994WO1994021561A1 Compact clarifier system for municipal waste water treatment
09/29/1994WO1994021353A1 Filter media treatment of a fluid flow to remove colloidal matter
09/28/1994EP0616830A1 Device for filter precoating
09/28/1994EP0616824A1 Filter support
09/28/1994EP0601023A4 Dewatering slurries.
09/21/1994EP0595899A4 Blood filter and method of filtration
09/20/1994US5348660 Reduction of dead space; thixotropic magnetic coatings
09/14/1994EP0614689A2 Integrated treatment system for refinery oily sludges
09/14/1994EP0604590A4 Gas plasma treated porous medium and method of separation using same.
09/14/1994CN1091991A Compound mineral filter aid
09/13/1994US5346630 Coal dewatering
09/13/1994US5346624 Method and apparatus for treatment of aqueous solutions
09/08/1994DE4403359A1 Filter having glass microbeads
09/07/1994CN1091676A Method for prepn. of filter aid using asbestos tailing
08/1994
08/25/1994DE4305099A1 Method for cleaning a filter device, and filter device for applying the method
08/24/1994CN1091052A 过滤器 Filter
08/24/1994CN1025729C Mixing-ultra filtering method treating system for cotton size black fluid
08/23/1994US5340472 Apparatus for processing wastes from the machining of ferromagnetic materials
08/18/1994WO1994017895A1 Process and apparatus for controlling the dewatering of suspensions
08/17/1994EP0611249A1 Process and device for filter-aid cleaning
08/03/1994EP0608325A1 Coal cleaning process
08/02/1994US5334451 Continuous filament yarn precoat septum
07/1994
07/27/1994EP0607766A1 System for purifying and filtering waste water from mechanical machining processes
07/19/1994US5330642 Method of filtering cellulose acetate solutions as well as a plant for carrying out the method
07/19/1994US5330636 Apparatus for continuous reconditioning of hydrocarbon fluids
07/12/1994US5328604 Filter system having bottom manifold and means for causing filter rotation
07/12/1994US5328597 Electronic monitoring unit for monitoring number of uses of cartridge
07/07/1994WO1994015077A1 Device for creating a tribochemical regime in a lubrication system for a mechanical device
07/06/1994EP0604590A1 Gas plasma treated porous medium and method of separation using same
07/06/1994CN1025290C Cross-flow filtration
06/1994
06/29/1994EP0604360A1 Process for the controlled removal of insoluble or slightly soluble substances from a system wherein ozonized water is circulating
06/29/1994CN1088469A Crossflow precoating process and apparatus for carrying out the process
06/28/1994CA1330460C Process for treating organic waste water
06/28/1994CA1330427C Method and apparatus for separating clay from and then dewatering ultra fine coal
06/15/1994EP0601023A1 Dewatering slurries
06/14/1994US5320760 Correlating the percent the control valve is open with the differential pressure of teh filter
06/14/1994US5320750 Water clarifier with first filtrate isolation, improved backwashing and improved bubble generation
06/08/1994EP0600838A1 Method and apparatus for filtering oil
06/05/1994CA2110436A1 Method and apparatus for filtering oil
06/01/1994EP0599816A1 Circulating purification apparatus and pool water prufiying apparatus and pool water purifying system using said apparatus
05/1994
05/31/1994US5316681 Method of filtering body fluid using a rinse chamber bag
05/26/1994WO1994011556A1 Fibrous structure containing immobilized particulate matter and process therefor
05/26/1994WO1994011087A1 Crossflow precoating process and apparatus for carrying out the process
05/26/1994WO1994011086A1 Method for filtering a body fluid using rinse chamber bag
05/26/1994WO1994011085A1 Filtration of soot/ash water slurries and improved partial oxidation process for hydrocarbon feedstocks
05/26/1994WO1994011082A1 Pleated filter assembly, and the method and apparatus for making
05/26/1994CA2127551A1 Method for filtering a body fluid using rinse chamber bag
05/11/1994EP0596299A1 Method and plant for filtering a chemical product, such as a solvent or the like, without the use of pumps
05/11/1994EP0595899A1 Blood filter and method of filtration.
05/11/1994EP0595858A1 Supercritical water oxidation process and apparatus of organics with inorganics.
05/11/1994DE4237714A1 Crossflow-Anschwemmfiltrationsverfahren und Anlage zur Durchführung dieses Verfahrens Crossflow Anschwemmfiltrationsverfahren and apparatus for carrying out this method
05/05/1994DE4236756A1 Sepn of solids from sludge - uses controlled feed of flocking polymers according to measurement of cloudiness
05/03/1994US5307551 Method of installing a filter belt on a filter housing mounted roller
04/1994
04/28/1994WO1994008693A1 Process and device for removing deposits from filter auxiliaries
04/27/1994EP0593586A1 Filter system and method for rejuvenating used lubricating oils
04/27/1994CN1085820A Device for filtering contaminated fluids
04/26/1994US5306422 Compact clarifier system for municipal waste water treatment
04/21/1994DE4309366C1 Stackable filter holder - with distributor element seal pref. of polyamide, e.g. for sterile filtration of beer
04/20/1994EP0593005A1 Apparatus for disposal of liquids
04/14/1994WO1994007587A1 Device for filtering polluted liquids, in particular used oil
04/14/1994CA2145421A1 Device for filtering polluted liquids, in particular used oil
04/13/1994EP0591306A1 Process and device for filtering liquids.
04/12/1994CA1328415C Filter aid for analytical use and method for preparing the same
04/07/1994DE4233302A1 Vorrichtung zum Filtern von Öl, wie Altöl Apparatus for filtering of oil, such as waste oil
04/06/1994EP0589970A1 Monitoring apparatus.
04/05/1994US5300234 Method of filtering beverages and chemical, pharmaceutical, or similar liquids
04/05/1994CA1328229C Apparatus for filtering a reagent
03/1994
03/31/1994WO1994006534A1 Oil filter and method of increasing service life of oil filter
03/30/1994CN1084488A Process and plant for removing lead, cadmium and zinc from dusts
03/30/1994CN1084426A Automated system and method for processing biological fluid
03/16/1994EP0586910A1 Process and installation for removing lead, cadmium and zinc from dusts
03/16/1994EP0586659A1 Method and apparatus for rapidly testing the integrity of filter elements
03/16/1994EP0586395A4 Liquid filtration and incineration.
03/16/1994EP0586395A1 Liquid filtration and incineration.
03/16/1994EP0527130B1 Coolant filter with inhibitor pack
03/16/1994CN1083739A Compound hard protein-soil type filter aid
03/02/1994EP0455637B1 Process and device for operating a pressure filter for liquid-solid mixtures
03/02/1994EP0432276B1 Method of concentrating and dehydrating slurried sludge
03/02/1994EP0429661B1 Method of water treatment
03/01/1994US5290454 Filtration of pulps and sludge with resin particles and fatty acids
02/1994
02/23/1994EP0583262A1 Device and process using a worm conveyor for separating materials, in particular solid or coagulated materials, from liquids and/or for concentrating solutions.
02/15/1994CA2070910C Dewatering method
02/02/1994EP0581740A2 Purification of pre-coat filters
01/1994
01/27/1994DE4240668C1 Filtering grinding and honing emulsion - using grinding sludge as filter aid for honing emulsion filtration
01/12/1994EP0414879B1 Filter for continuous filtration
01/06/1994WO1994000677A1 Device providing for tribochemical regime in lubrication system of mechanism
01/06/1994WO1994000219A1 Method of dewatering slurries
01/04/1994US5275740 Filter press with adaptive automated control arrangement
12/1993
12/29/1993EP0575329A1 Combined filtration and fixation of heavy metals
12/21/1993US5271851 Integrated treatment system for refinery oily sludges
12/15/1993EP0397864B1 Agglutination reaction vessel
1 ... 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 ... 48