Patents
Sitemap › B01 - Physical or chemical processes or apparatus in general › B01D - Separation › B01D 21 - Separation of suspended solid particles from liquids by sedimentation
Patents for B01D 21 - Separation of suspended solid particles from liquids by sedimentation (18,338)
10/2003
10/30/2003US20030203801 Centrifugally separating whole blood into red blood cells and a plasma constituent rotates about a rotational axis a separation zone having radially spaced apart walls with a high-G side and a low-G side located closer to the rotational
10/30/2003US20030200864 Frequency and amplitude moderation; fluid flow
10/29/2003EP1355710A1 Devices and methods for purification
10/29/2003CN2583223Y Fully automatic wheeled lavatory
10/29/2003CN1452594A Methods of synthesizing oxidant and applications thereof
10/29/2003CN1451611A Waste water reuse system
10/29/2003CN1451461A Counter-current contact flocculating settling apparatus
10/29/2003CN1125853C Aqueous dispension of polymer with high characteristic viscosity and preparation and use thereof
10/29/2003CN1125785C Process for purifying floated algin and waste Ca solution from algin factory
10/28/2003US6638918 Chitosan compositions
10/28/2003US6638433 System and method for controlling water-only cyclones
10/28/2003US6638427 Waste water treatment method being able to treat surface active agent, nitrogen, hydrogen peroxide and phosphor with high efficiency
10/28/2003US6638424 Stormwater treatment apparatus
10/28/2003US6638421 Water treatment control system using fluorescence analyzer
10/28/2003CA2181007C Apparatus and method for discharging fluid additives into a water treatment vessel
10/23/2003WO2003087535A1 Subsea process assembly
10/23/2003WO2003086978A1 Flotation installation for wastewater clarification and method for operating one such installation
10/23/2003WO2003086574A1 Blood component separation method and apparatus
10/23/2003WO2003086570A1 Separator
10/23/2003US20030196952 Sand and particle separator for fluid pumping systems
10/23/2003US20030196452 Apparatus for the liquefaction of natural gas and methods relating to same
10/22/2003EP1354614A1 Settling tank
10/21/2003US6635754 Cellulose particles, method for producing them and their use
10/21/2003US6634834 Transporting sulfur pellets
10/21/2003CA2304920C Method for making plant-cultivating vessels from excretive sludge of domestic animals
10/16/2003WO2003084635A1 Sedimentation basin
10/16/2003US20030194296 Loading and unloading of solid substance having high degree of water content
10/16/2003US20030192827 Wastewater clarification methods and apparatus
10/16/2003US20030192343 Cooling natural gas to form slurry comprising liquid natural gas and solid carbon dioxide, flowing slurry into hydrocyclone forming thickened slush, flowing slush through underflow and overflow of hydrocyclone
10/16/2003CA2520547A1 Sedimentation basin
10/15/2003EP1353038A1 Subsea process assembly
10/15/2003EP1352679A1 Separator
10/15/2003EP0979148B1 Hydrocyclone for separating immiscible fluids and removing suspended solids
10/15/2003CN1124234C Straw pulp papermaking sewage treating process
10/15/2003CN1124168C Second flow setting method and device
10/14/2003US6632327 Process for treating spent, waste, alkaline digestion liquor from paper pulping operations and product
10/14/2003CA2102813C Liquid treatment
10/09/2003US20030191005 Self-contained bag fitting into centrifuges; extraction by density variations
10/08/2003EP1350596A1 Apparatus for separating impurites from coolant liquid in cutting or grinding machine
10/08/2003EP1349635A1 Tank for draining a granular material/liquid mixture
10/08/2003CN1447108A Pick-up system for block-shape deposited particles
10/08/2003CN1446758A Waste water high-grade treatment system adopting intermittent aeration, contact oxidation and biological assorption
10/07/2003US6630072 Methods and apparatuses for treating waste water
10/07/2003US6630070 Reducing sludge from coagulants
10/07/2003US6629652 Drainage fittings comprising effluent receptacles, macerating pumps and backwashing hot water sources used for separation of oils and grease mixtures from effluent flows; sanitation
10/02/2003WO2002083258A3 Treatment of suspensions with a flocculation system comprising a non-ionic polymer and a cationic polymeric flocculant
10/02/2003US20030185637 Transporting sulfur pellets
10/02/2003US20030183582 Apparatus for removing grit and grease from water
10/02/2003DE20311155U1 Sand liberated of fine organic sedimentary particles by injection of compressed air into the base of stainless steel container generating vortices
10/02/2003DE20308928U1 Assembly to measure height levels of layered liquids, in container, has ultrasonic converter with piezoelectric component to transmit/receive pulses for echo evaluation
10/01/2003EP0812303B1 Flocculating agent containing aluminium and a polybasic carboxylic acid
10/01/2003CN1445012A Method for solid-liquid separation of ferment fluid in carnine production
09/2003
09/30/2003US6627719 Interpolymer of a cationic monomer, a hydroxyalkyl (meth)acrylate and, optionally, a nonionic monomer
09/25/2003WO2003078844A2 Pump system with vacuum source
09/25/2003WO2003078021A1 Dual zone feedwell for a thickener
09/25/2003WO2003078020A1 Pulp stabilisation apparatus for a thickener
09/25/2003WO2003078019A2 Simplified lamellar clarifier, and method for cleaning same
09/25/2003WO2003078017A1 Leachate and wastewater remediation system
09/25/2003US20030180024 Submicron hollow spaces
09/25/2003US20030178372 Pretreatment with thickener
09/25/2003CA2479435A1 Pump system with vacuum source
09/24/2003EP1345699A1 Flotation machine
09/24/2003CN2574756Y Air filtering filter element
09/24/2003CN1444678A Method for reducing contamination from cellulosic suspensions
09/24/2003CN1121983C Diatomite water purification agent production method
09/23/2003US6623640 Off gas and liquid circulation provides a downward directed flow around parallel plates and is directed to coagulation areas and gas is directed up through a gas outlet to avoid turbulence
09/18/2003WO2003076343A1 Method and device for clarification of liquids, particularly water, loaded with material in suspension
09/18/2003WO2003008441A3 Moringa seed proteins
09/18/2003US20030173305 Chemical treatment methods and apparatus
09/18/2003US20030173300 Leachate and wastewater remediation system
09/18/2003US20030173289 Self diluting feedwell including a vertical eduction mechanism and method of dilution employing same
09/18/2003US20030173288 Methods and apparatus for separation of solids from liquids by dissolved gas floatation
09/18/2003US20030173276 Methods and apparatus for supplying high concentrations of dissolved oxygen and ozone for chemical and biological processes
09/18/2003US20030173275 Method and apparatus for treatment of wastewater employing membrane bioreactors
09/18/2003US20030173273 Water treatment device with volumetric and time monitoring features
09/18/2003US20030173271 Cyclones used in coal preparation plants for separating a fine raw coal slurry into fine coal and fine refuse slurries includes a variable speed pump for feeding the slurry from an underpan of a deslime screen to a water-only cyclone. A
09/18/2003CA2478282A1 Method and device for clarification of liquids, particularly water, loaded with material in suspension
09/17/2003EP1343589A2 Device and method for separating substances
09/17/2003EP1231285B1 Process and equipment for the separation of gold particles
09/17/2003CN1443139A Effluent purifying device
09/17/2003CN1442443A Treatment method of waste liquid containing emulsion polymerized polymer
09/16/2003US6620323 Apparatus and process for biological wastewater purification
09/16/2003US6619889 Conveyor apparatus
09/11/2003US20030168391 Separating a stream containing a multi-phase mixture and comprising lighter and heavier density liquids and particles entrained therein
09/11/2003US20030168211 Methods and apparatus for increasing and extending oil production from underground formations nearly depleted of natural gas drive
09/10/2003CN2571744Y Sewage treatment equipment
09/10/2003CN1441690A Blood components separator disc
09/10/2003CN1440828A Oscillation-flow flocculating process and apparatus
09/09/2003US6616834 Wastewater processor
09/09/2003US6615987 Method of treating an aqueous suspension of kaolin
09/04/2003WO2003072991A1 Apparatus for the liquefaction of natural gas and methods relating to same
09/04/2003WO2003072622A1 Water-soluble copolymer, polymeric flocculant, and method of dehydrating sludge
09/04/2003US20030164341 Directing water from water at tank pollutants and into collection pool of polluted water, drawing polluted water into chamber, receiving skimmed pollutants from collection reservoir into pollution tank, receiving pollutant-free liquid
09/04/2003US20030164336 Processes of reducing contamination from cellulosic suspensions
09/04/2003US20030164328 Apparatus for mixing fluids
09/03/2003EP1339645A1 Ballasted floc water treatment installation
09/03/2003EP1339644A2 Flocculation of mineral suspensions
09/03/2003EP1226020B1 Method of producing three dimensional assembly of particles in ordered arrays
09/03/2003EP0994746B1 Portable water recycler
09/03/2003CN1440369A Apparatus and method for high speed dewatering of slurries
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