Patents for B03D 1 - Flotation (8,101)
10/2004
10/06/2004CN1169625C Chelating macromolecular inhibitor for bauxite anti-flotation and its preparation method
10/05/2004US6799683 Flotation mechanism and method for dispersing gas and controlling flow in a flotation cell
10/05/2004US6799682 Method of increasing flotation rate
09/2004
09/30/2004WO2004082842A1 A separate size flotation device
09/30/2004WO2004082841A1 Auxiliary agitator for a flotation device
09/29/2004CN1533306A Improved flotation
09/29/2004CN1533305A Hydroxamate composition and method for froth fcoatation
09/23/2004WO2004080600A1 Measuring froth stability
09/23/2004WO2004080567A1 Method for preparing oil/water emulsions
09/23/2004US20040182755 Flotation
09/23/2004DE10311289A1 Processing oil-water mixtures and emulsions, for separation of water and hydrocarbons, involves using cracking agent and aliphatic hydrocarbon with raised pressures and temperatures
09/23/2004DE10310269A1 Verfahren zur Abtrennung von Katalysatorpartikeln Process for the separation of catalyst particles
09/22/2004EP1370362A4 Ph adjustment in the flotation of sulphide minerals
09/22/2004CN1167513C Floatation machine and method for improving floatation effect
09/21/2004US6793079 Method and apparatus for froth flotation
09/16/2004US20040178152 System and method of gas energy management for particle flotation and separation
09/16/2004DE10308025A1 Fixing device for connecting flotation stages, couples flotation stages, such that flotation hoods of flotation stages are arranged to form upwardly and vertically extending outlets to let clean water flow over succeeding flotation stages
09/15/2004EP1457597A2 Method for regulating the operation of a flotation cell
09/15/2004EP1457262A1 method of separation of highly active catalyst particles
09/14/2004US6789788 Device for a flotation machine
09/14/2004CA2161896C Method of floating calcium carbonate ore and flotation reagent therefor
09/10/2004WO2004076358A2 Dissolved air flotation system
09/09/2004US20040173093 Method and apparatus for preparation and deaeration of coating liquid
09/02/2004US20040168967 Charging supernatant from vessel without drawing floating solids or scum; weir with central opening; lift and drive; discharging pipe
09/02/2004US20040168965 Self contained dissolved air flotation system
09/02/2004US20040168964 Dissolved air flotation system
09/01/2004EP1452638A1 Method and device for aerating suspensions
09/01/2004EP1450928A1 Methods of using modified natural products as dewatering aids for fine particles
09/01/2004EP1305261B1 Method for floatation separation of a liquid, from particles suspended therein
09/01/2004CN1524622A Electric control flotation column
09/01/2004CN1524621A Process and device for aerating suspensions
09/01/2004CN1164368C Bauxite dressing process
09/01/2004CN1164367C Bastnaesite dressing process
08/2004
08/25/2004EP1448306A1 Methods of increasing flotation rate
08/25/2004EP0876222B1 Biodegradable quaternary esters used as flotation aids
08/25/2004CN1163305C Bauxite dressing method
08/25/2004CA2456757A1 Process and device for aerating suspensions
08/19/2004US20040159608 Method and apparatus for treating animal waste and wastwater
08/17/2004US6778881 Monitoring and control of a froth flotation plant
08/17/2004US6776292 Apparatus for separation of solids in froth
08/12/2004WO2004053330A3 Methods and apparatus for increasing and extending oil production from underground formations nearly depleted of natural gas drive
08/12/2004US20040154962 Beneficiation of sulfide minerals
08/10/2004US6773586 Flotation device
08/10/2004US6772885 Rotor for flotation mechanism and method for directing material flow in flotation machine
08/05/2004WO2004052790A3 Apparatus for treatment of wastewater employing membrane bioreactors
08/04/2004EP1286780B1 Agent for dressing of phosphate ore
08/04/2004CN1517488A Process and device for inflation suspension
07/2004
07/28/2004EP1441064A1 Method and device for aerating suspensions
07/28/2004CN2628148Y Flotation size mixing tower
07/28/2004CN1159110C Beryl ore dressing process
07/27/2004US6766909 Separation device for a flotation machine
07/24/2004CA2454737A1 Process and device for aerating suspensions
07/22/2004WO2004060565A1 Guiding device for a flotation machine
07/22/2004US20040140273 Method and apparatus for mixing fluids, separating fluids, and separating solids from fluids
07/20/2004US6763947 Flotation separation apparatus and infuser therefor
07/20/2004US6763732 Arrangement for measuring concentrate flow in connection with a flotation cell
07/14/2004CN1511640A Induction air floating method and device
07/08/2004US20040129621 Guiding device for a flotation machine
07/07/2004CN1156396C Method for preparing potassium sulfate by one section conversion flotation process
07/06/2004CA2096940C Gas particle formation
06/2004
06/30/2004EP1432520A1 Flotation mechanism and cell
06/30/2004EP1432519A1 A method of controlling feed variation in a valuable mineral flotation circuit
06/30/2004CN1507954A Collecting agent for antiflotation desilicification and preparing method thereof
06/30/2004CN1507953A Process for flotation of silica sand in alkaline medium
06/30/2004CN1507952A Black powder use method
06/24/2004WO2004053330A2 Methods and apparatus for increasing and extending oil production from underground formations nearly depleted of natural gas drive
06/24/2004WO2004052815A1 Compounds and compositions for use as foaming or frothing agents in ore and coal flotation
06/24/2004WO2004052790A2 Apparatus for treatment of wastewater employing membrane bioreactors
06/24/2004WO2004052495A1 Methods and apparatus for supplying high concentrations of dissolved oxygen and ozone for chemical and biological processes
06/17/2004WO2004050254A1 An impeller for a froth flotation cell
06/17/2004WO2004050253A1 Method and apparatus for froth flotation
06/17/2004US20040112835 Rotor for flotation mechanism and method for directing material flow in flotation machine
06/17/2004US20040112804 Pneumatic flotation separation device
06/17/2004US20040112799 Flotation machine
06/16/2004EP1015123B1 Apparatus for cleaning a suspension, preferably a fiber mass suspension
06/16/2004CN2620580Y Pipe flow micromixing structure
06/15/2004US6749757 Pretreatment with sparge gas creating cyclonic flow and skimming off top surface before contacting with organophillic clay
06/03/2004WO2004045753A1 Fluid mixing apparatus
05/2004
05/27/2004WO2004043604A1 Separation device for a flotation machine
05/27/2004US20040101458 PH adjustment in the flotation of sulphide minerals
05/27/2004US20040099836 Mixture of thionocarbamate and mercaptobenzothiazole compounds
05/27/2004US20040099616 Method and apparatus for mixing fluids, separating fluids, and separating solids from fluids
05/27/2004US20040099615 Groove ring for dividing fluid flow; centrifuging solid suspension; cyclone separator
05/27/2004US20040099608 Ballast water treatment system
05/27/2004US20040099607 Wastewater treatment system
05/27/2004US20040099575 Method and apparatus for froth flotation
05/27/2004DE10252451A1 Flotation agent for sulfide ore, e.g. non-ferrous copper, nickel, zinc, lead or molybdenum sulfide ore, contains diorganyl alkylamidothiophosphate, preferably prepared by oxidizing dithiophosphate in acid solution, then reacting with amine
05/26/2004CN1151001C Ore dressing chemical prepared from tea leaf
05/25/2004US6739454 Reaction of the methyl or ethyl ester of a fatty acid having 6 to 22 carbon atoms with a hydroxylamine salt and an alkali metal hydroxide in the presence of water, either a hydrocarbon oil or a fatty oil
05/25/2004CA2232929C Method for processing a diluted oil sand froth
05/20/2004US20040094848 Gas eductors and gas eductor flotation separators
05/19/2004EP1419012A1 Hydroxamate composition and method for froth flotation
05/19/2004DE10251923A1 Gas and liquid mixing system for producing liquid laden with micro-bubbles for flotation mineral separating plants has air and liquid compressor feeding high-pressure fluid to intake of mixing pump
05/19/2004CN1498135A 浮选机 Flotation machine
05/19/2004CN1150062C Tower type grinding flotation machine capable of carrying out grinding while flotation separation
05/13/2004WO2004014562A3 Collecting agent for sulphidic ores, the production and use thereof
05/13/2004US20040089596 Separation device for a flotation machine
05/13/2004DE19948176B4 Flotationsvorrichtung zur Störstoff- insbesondere Druckfarbenentfernung aus Papierfasersuspensionen A flotation device for Störstoff- particular ink removal from paper fiber suspensions
05/12/2004EP1417014A1 Flotation machine
05/11/2004US6732867 Beneficiation of sulfide minerals
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