Patents
Patents for B01D 21 - Separation of suspended solid particles from liquids by sedimentation (18,338)
07/1996
07/17/1996CN1126952A Scraper for a circular settlement tank
07/17/1996CN1126634A Universal floculant and its prodn technology
07/16/1996US5536409 Water treatment system
07/16/1996CA2005301C Method of treating solids containing waste fluid
07/10/1996EP0720861A1 Separating plant for waste water loaded with deposit and floating material
07/10/1996CN2230611Y High performance clarifiactor
07/10/1996CN2230610Y Combined solid-water separating apparatus
07/09/1996US5534235 Polymers containing phosphonic acid groups for the treatment of red mud in the Bayer process
07/09/1996US5534163 Center column extension for a clarifier
07/09/1996US5534162 Method for disposal of biological waste
07/09/1996US5534155 Method for purification of cooling agents and/or lubricants used in rolling mills
07/09/1996US5534141 Wastewater treatment system with in-pond clarifier
07/09/1996US5534118 Rotary vacuum distillation and desalination apparatus
07/04/1996WO1996020034A1 Method and device for purifying liquids, in particular polluted water for fighting fires
07/04/1996CA2208604A1 Method and device for purifying liquids, in particular polluted water for fighting fires
07/03/1996EP0719171A1 System and method of processing mixture of solids and liquids
07/02/1996US5531905 System and method to control laundry waste water treatment
07/02/1996US5531887 Manually operated reverse osmosis desalinization system
07/02/1996US5531129 Apparatus for extracting wear particles from used oil filters
06/1996
06/27/1996DE4446141A1 Vorrichtung und Verfahren zur Reinigung von Flüssigkeiten, insbesondere von kontaminiertem Löschwasser Apparatus and method for purification of liquids, especially contaminated fire fighting water
06/26/1996EP0718019A2 Tank for the mechanical preclarification of waste water
06/26/1996EP0686199A4 Centrifugal method and apparatus for isolating a substance from a mixture
06/26/1996CN2229830Y Settling tank with sludge discharging function
06/25/1996US5530069 Methods of making and using high molecular weight acrylamide polymers
06/25/1996US5529698 Separators
06/25/1996US5529695 Apparatus and method for removing swarf and fines from cutting fluids
06/25/1996US5529691 Enhanced yield platelet collection systems and method
06/25/1996US5529588 Method of dewatering coal using vinyl amine-containing coagulants
06/25/1996US5529567 Blood processing system having spill sensor with fail-safe circuit
06/25/1996US5529170 Feed screw for sedimentation or treatment systems
06/20/1996WO1996018897A1 Separator float for blood collection tubes
06/20/1996DE4446700A1 Filtration method for treatment of liqs, e.g. waste water
06/19/1996EP0716623A1 Blood processing system having spill sensor with fail-safe circuit
06/18/1996US5527482 Aqueous dust suppression fluid and a method for suppressing dust
06/18/1996US5527475 Method for determining the parameters of a gas-liquid contact apparatus
06/18/1996US5527472 Closed systems and methods for removing undesired matter from blood cells
06/18/1996US5527460 Multilayered piezoelectric resonator for the separation of suspended particles
06/18/1996US5527456 Apparatus for water purification by culturing and harvesting attached algal communities
06/18/1996US5527431 Silicon polyelectrolytes for pitch deposit control
06/12/1996CN2228796Y Gravity concentrating tank
06/11/1996US5525692 Dewatering agent for sludge
06/11/1996US5525240 Adaptively controlled centrifugation method
06/11/1996US5525217 Holder for debris removing dam for swimming pools
06/11/1996US5525213 System for decontamination dry cleaning waste water
06/06/1996WO1996016770A2 Method and device for preparing blasting media and blasting water
06/06/1996WO1996016715A1 Centrifuge with annular filter
06/06/1996WO1996016714A1 Method and device for separating fibrin monomer from blood plasma
06/06/1996WO1996016713A1 Centrifuge reagent delivery system
06/05/1996EP0714686A1 Settling tank for purification plants
06/05/1996DE4442996A1 Treating blasting material and blasting water
06/04/1996US5523000 Improved pH driven method for wastewater separation using an amphoteric dicarboxylate and a cationic destabilizer composition
06/04/1996US5522999 Water clarification method
06/04/1996US5522938 Generating a sonic wave in an enclosure after heating a cleaning fluid to above its critical temperature to cause pressure variations and dislodge contaminants from the surface of a wafer
05/1996
05/30/1996DE19543462A1 Settling tank for sewage treatment
05/30/1996DE19543285A1 Circular sedimentation tank for waste water treatment plant
05/29/1996EP0713418A1 Process and device for removing sand from water loaded with sand and organic substances
05/29/1996EP0560957B1 Device and method for conveying and separating a suspension containing biological cells or microorganisms
05/28/1996US5520820 Acrylamide-acrylic acid-maleic acid terpolymer flocculant
05/28/1996US5520818 Method for effecting gas-liquid contact
05/23/1996WO1996014915A1 Water filtration apparatus
05/23/1996WO1996014912A1 Activated sludge degassing process and device
05/23/1996DE4440894A1 Removal of floating sludge from surface of settling tanks
05/23/1996DE4440707A1 On-site decontamination of soil
05/23/1996DE4433368A1 Device for discharging floating sludge from sewage treatment systems
05/22/1996EP0712654A2 Device for the separation and filtration of particles from a flouring medium
05/22/1996CN1122776A Highly efficient composite coagulant for industrial wastewater treatment
05/22/1996CN1122648A Activating device of breeding pool
05/21/1996US5518617 Gravity clarifier
05/17/1996WO1996014271A1 Blends of hydroxamated polymer emulsions with polyacrylate emulsions
05/17/1996WO1996014126A1 Launder cover for use in a clarifier tank
05/15/1996CN2227116Y High-efficient pipeline mixing device
05/15/1996CN1122581A Improved pressure decanter
05/14/1996US5516924 Method of refining glyceride oils
05/14/1996US5516435 To remove suspended solids from bayer process alumina, flocculation
05/08/1996EP0710625A2 Device and process for the flocculation of suspensions
05/08/1996EP0710497A1 Transshipping device with dewatering appliance for bulk goods and dewatering technique
05/08/1996EP0494950B1 Fungal cell wall material with flocculant properties, method for its production
05/02/1996WO1996012945A1 Method for separating nucleated fetal erythrocytes
05/01/1996EP0708674A1 Blood collection system
05/01/1996EP0655985B1 Polymeric aluminium silicate-sulphate and process and apparatus for producing same
05/01/1996CN1121488A Decolor coagulant for waste water in dyeing industry and producing method
04/1996
04/30/1996US5512646 Water treatment
04/30/1996US5512175 Assembly for removing hydrophilic contaminants, method of the same, and apparatus for producing phenol
04/30/1996US5512171 Particle separator
04/30/1996US5511649 Sludge collector flight
04/25/1996WO1996011883A1 A fluid treatment system
04/25/1996DE4437554A1 Process for mixing clarified water and water entering clarification pond
04/25/1996DE4437330A1 Purification plant ponds, e.g. sewage plant
04/24/1996EP0707877A1 Longitudinal clarifier for flux separation
04/24/1996CN2225289Y Biological membrane settling equipment
04/23/1996US5510439 Water soluble surfactant comprised vinyl trialkoxysilane monomer and a monomer having ammonium groups; papermaking
04/23/1996US5510039 Flotation
04/23/1996US5510037 Regeneration of used cleaning solution
04/18/1996DE4436639A1 Recycling sewage and drain sands mixed with organic impurities
04/17/1996EP0706499A1 Method of reducing the concentration of finely dispersed solids in process solutions in paper manufacturing
04/17/1996EP0706498A1 High capacity single tank water clarification system
04/17/1996EP0706417A1 Acoustic filter for separating and recycling suspended particles
04/11/1996WO1996010676A1 Separation device
04/11/1996WO1996010540A1 Purification process of polar liquid wastes containing suspended solvated particles and flocculating composition therefor
04/11/1996DE4436997A1 Agitator for mixing floating or settled solids with water