Patents
Patents for B01D 21 - Separation of suspended solid particles from liquids by sedimentation (18,338)
03/2001
03/08/2001WO2001015826A1 Sewage treatment apparatus
03/08/2001CA2382851A1 Polymerizate composition and a method for producing the same
03/07/2001EP1081097A1 Utilization of a coagulant/flocculant organic agent of vegetable origin to remove colloidal material from water
03/07/2001EP1080044A1 Inorganic composition, process of preparation and method of use
03/07/2001EP1079933A1 Separation of solids consisting of organic and inorganic material
03/07/2001CN2421951Y Magnetic controlled combined centrifugal device
03/07/2001CN1286223A Process for preparing treating agent of industrial sewage
03/06/2001US6197207 Removing, intact, substantially all leukocytes present in the blood product, or an intermediate of the blood product, prior to administering the blood product to a patient; no significant lysis of the leukocytes to release prions
03/06/2001US6197190 Tapered flocculation water treatment
03/01/2001WO2001014850A1 Centrifuge tube apparatus
03/01/2001DE19941072A1 Polymerisatzusammensetzung und ein Verfahren zu dessen Herstellung Polymer composition and a process for its preparation
03/01/2001DE19940994A1 Verfahren zum Abbau von Klärschlamm A method for degradation of sewage sludge
02/2001
02/28/2001EP1078884A2 Manufacturing process for quaternary ammonium tannate, a vegetable coagulating/flocculating agent
02/28/2001CN1285320A Technology and equipment for water treatment of flow through type membrane biological reactor
02/28/2001CN1062499C Hexagonal honeycomb device manufacturing technology
02/27/2001US6193888 Primary and secondary clarifier's effluent launder dam
02/27/2001US6193070 Apparatus for separating solids drilling fluids
02/27/2001CA2014013C A flow restrictor and strainer assembly for a toilet tank fill valve and the like
02/22/2001WO2001012778A2 Flocculation of cell material
02/22/2001WO2000063119A3 Equality velocity agitating type flocculator
02/22/2001DE19939679A1 Waste water purification device comprises clarification basin with solid material accumulation area and outlet fitted with closing device which leads to solids collection area
02/22/2001DE19937989A1 Mobile plant treating industrial oil separator contents, minimizing volume of special waste and transport costs, separates, purifies and filters water for return, whilst removing sand, oil and sludges only
02/22/2001CA2380652A1 Flocculation of cell material
02/20/2001US6190731 Method for isolating ultrafine and fine particles and resulting particles
02/20/2001US6190561 Ion exchanging
02/20/2001US6190545 Drainwater treatment system for use in a horizontal passageway
02/20/2001US6189549 Waste material skimming device
02/20/2001CA2185596C Wear strip assembly for use in a waste water treatment facility
02/15/2001WO2001010530A1 Deep bed thickener/clarifiers with enhanced liquid removal
02/14/2001EP1076019A1 Flight bar blade for plastic scraping conveyor
02/14/2001EP1075865A1 Apparatus for use in a sewage treatment plant
02/14/2001EP0994824A4 Oil separator
02/14/2001EP0949946A4 Biological fluid processing
02/13/2001US6187208 Tank cleaning system
02/13/2001US6187193 Grease trap and method of decomposing edible oils and fats in the grease trap
02/13/2001US6187180 Apparatus for screening
02/13/2001US6187178 Separator with solids diverter
02/13/2001US6186335 Process for beneficiating kaolin clays
02/08/2001WO2001009044A1 Coagulant composition consisting of organic coagulant of brown algae and inorganic coagulant
02/06/2001US6183651 Blood processing systems and methods which optically monitor plasma opacity
02/06/2001US6183634 Separator
02/06/2001US6183633 Separator
02/06/2001US6183600 Aqueous suspension of cellulose; deflocculating with cationic acrylamide polymer; mixing with zeolite
02/06/2001CA2199530C Process for preparing basic aluminum polychlorosulphates and their applications
02/01/2001WO2001007430A1 Fluorescent water-soluble polymers
02/01/2001WO2001007370A1 Removal of sulphates from a feedstock
02/01/2001WO2000050345A3 Mineral oxide liquid concentrates for water and wastewater treatment
01/2001
01/31/2001EP0993331A4 Microbial sampler and concentrator
01/31/2001EP0951452A4 Method and apparatus for helical flow in a header conduit
01/30/2001US6180394 Method of carrying out a treatment in the presence of a centrifugal force and an apparatus therefor
01/30/2001US6180014 Oxidation, removal
01/30/2001US6180013 Method for removing sediments under sewage water in a sewer
01/30/2001US6180006 Clarification and solid waste containment system and process
01/25/2001WO2001005712A1 Process for flocculating suspensions
01/25/2001DE19933391A1 Wet grit trap solids level sensor, is based on end-pivoted tube alternately filled by compressed air and water, causing it to adopt resting position on top of solids accumulation
01/24/2001EP1070527A1 Water treatment by accelerated sedimentation and/or precipitation
01/24/2001EP1070021A1 Dewatering of aqueous suspensions with anionic and cationic polymers
01/24/2001EP1069932A1 Treatment of liquids
01/24/2001CN1280996A Process and equipment for preparing inorganic high-molecular flocculant
01/24/2001CN1061013C Amphoteric polyacrylamide flocculating agent and preparing process thereof
01/23/2001US6177004 Septic system filter apparatus
01/18/2001WO2001004201A1 High molecular weight zwitterionic polymers
01/18/2001WO2001004059A1 Plant for the depuration of industrial and civil wastes
01/18/2001WO2001003798A1 Automated blood component separation system
01/17/2001EP1069140A1 Water-soluble polymer, process for the production of the same, and use thereof as polymeric coagulant
01/17/2001CN2414822Y Settler
01/17/2001CN1280525A System for processing oil refinery waste
01/17/2001CN1280104A Method for preparing flocculent for treatment of chitosan water
01/16/2001US6174950 Concentrated aqueous dispersions of water-soluble polymers
01/16/2001US6174435 Device for clarifying a charged liquid by flotation
01/16/2001US6174434 Three zone dissolved air floatation clarifier with fixed lamellae and improved paddle-and-ramp sludge removal system
01/16/2001CA2116439C Method of separating oleophilic-hydrophobic material from wash water
01/11/2001WO2001002306A1 Method for managing urban wastewater based on indications on pollutants
01/11/2001WO2001002304A1 Method and device for removal of environmental contaminants from water
01/11/2001WO2001002077A2 Device for maintaining and cleaning a working medium
01/11/2001DE19937701A1 Vorrichtung zum Pflegen und Reinigen eines Arbeitsmediums Apparatus for maintaining and cleaning a working medium
01/11/2001CA2376478A1 Process for operating urban wastewater treatment facilities, on the basis of load estimates
01/10/2001EP1066222A1 Round settling tank for separating sludge from waste water
01/10/2001EP1066114A1 Controlled production and recovery of fine-coal agglomerates
01/10/2001EP1015090A4 Flowmeter system useable with water treatment device
01/10/2001CN1279651A Process and apparatus for electrocogulative treatment of industrial waste water
01/10/2001CN1279214A Process for treating sewage
01/09/2001US6171506 Thickening of aqueous mineral suspensions
01/09/2001US6171498 Upflow water clarifier with central pier
01/09/2001US6171488 Fluid conditioning system
01/09/2001US6171483 Subsea raw water injection facility
01/04/2001WO2001000536A1 Process and apparatus for treating solid waste slurry
01/04/2001DE19929846A1 Auftriebsfreistrahlreaktor und seine Verwendung Ascending jet reactor and its use
01/03/2001EP1064993A1 Free jet-lift reactor and its use
01/03/2001EP1064229A1 Rapid coagulation-flocculation and sedimentation type waste water treatment method
01/03/2001EP1064228A1 Process and apparatus for electrocoagulative treatment of industrial waste water
01/03/2001EP1064082A1 Contaminant dispersants useful in recycling of treated containers
01/03/2001EP1064068A1 Orrichtung
01/03/2001CN1060142C Preparation for high performance decolourizing flocculent
01/02/2001US6168710 Installation for cleaning/recovering liquids with particles in suspension
01/02/2001US6168561 Blood processing chamber counter-balanced with blood-free liquid
01/02/2001US6167960 Protection of downwell pumps from sand entrained in pumped fluids
12/2000
12/28/2000WO2000078425A1 Separating device and use thereof
12/28/2000WO2000078424A1 Floating decanter for supernatant liquid
12/28/2000DE19929461A1 Sub-surface sand washing water discharge head minimises harm to fish and plants, requires little energy and is flexible