Patents for B03D 1 - Flotation (8,101)
10/1987
10/14/1987CN87102563A Procsss for flotation of phosphate mineral and agent to be used in flotation
10/13/1987US4699712 Froth flotation using mixture of collectors
10/13/1987US4699711 Recovering sulfide ores
10/07/1987EP0240380A2 Recovery of elemental sulphur from products containing contaminated elemental sulphur by froth flotation
09/1987
09/24/1987WO1987005530A1 Flue-gas purifying procedure
09/08/1987US4692244 Stabilizer plates encircling agitator to improve selectivity
09/01/1987US4690756 Farming of natural bodies of water, especially seawater
09/01/1987US4690752 Selective flocculation process for the recovery of phosphate
09/01/1987CA1226381A1 Polyorganosiloxane collectors in the beneficiation of fine coal by froth flotation
08/1987
08/25/1987US4689142 Alkyl mercaptans as collector additives in froth flotation
08/20/1987DE3604908A1 Process and apparatus for removing oils and pollutants from oil/water mixtures/emulsions
08/18/1987US4687571 Process for the froth-flotation of a phosphate mineral from a phosphate-carbonate ore
08/11/1987US4686033 Trithiocarbonates as flotation reagents
08/05/1987CN86100669A Synthetic organic polymers for the selective flocculating floatation of titanium and iron ores
08/04/1987US4684459 Collector compositions for the froth flotation of mineral values
08/04/1987CA1225172A1 Silicone glycol collectors in the beneficiation of fine coal by froth flotation
07/1987
07/29/1987EP0229835A1 Process for the selective separation of a copper molybdenum ore.
07/29/1987CN86206538U Device of dissolved air floatation and discharge with uniform vibration
07/29/1987CN86100354A Collecting agent for selective flotation of lead and zinc ores and process for preparing the same
07/28/1987CA1224890A1 Bottom structure for flotation cell tank
07/23/1987EP0116616A4 Process for the selective separation of base metal sulfides and oxides contained in an ore.
07/22/1987EP0229224A2 Apparatus and method for froth flotation
07/22/1987CN86100283A Method and equipment for recovering silver from developing liquor of movie film
07/22/1987CN86100037A New type of collection-foaming agent for floatation
07/21/1987US4681682 Air flotation clarifier
07/21/1987US4681675 3-hydroxytrimethylene sulfides as depressants
07/21/1987CA1224479A1 Ore flotation and flotation agents for use therein
07/16/1987DE3600406A1 Process and process arrangement for the intake and partial air saturation of untreated water for flotation plants
07/15/1987EP0228679A2 Process for selectively separating plutonium from uranium and other metals
07/08/1987EP0228051A2 Process for selectively separating plutonium from uranium and other metals
07/08/1987EP0227895A2 Apparatus and method for froth flotation employing rotatably mounted spraying and skimming means
07/07/1987US4678585 Flocculation of red muds
07/07/1987US4678563 Oxy esters, nitriles and ethers
07/07/1987US4678562 Promotors for froth floatation of coal
07/07/1987US4678561 Nitriles
06/1987
06/30/1987US4676890 Mixture of thioalkyl amine and hydrocarbyl sulfides; sulfide ores; preferential
06/30/1987US4676804 Deashing
06/23/1987CA1223373A1 Recovery of elemental sulphur from products containing contaminated elemental sulphur by froth flotation
06/19/1987DE3544303A1 Device for collecting and scooping off foam formed by flotation
06/16/1987US4673133 Process for beneficiating oil shale using froth flotation and selective flocculation
06/09/1987US4671881 Producing fuel materials
06/09/1987US4671869 Filter device
06/09/1987US4671801 Method for the beneficiation, liquefaction and recovery of coal and other solid carbonaceous materials
06/09/1987CA1222838A1 Multistream, multiproduct, pressure manipulation beneficiation arrangement
06/04/1987WO1987003222A1 Collector compositions for the froth flotation of mineral values
06/04/1987WO1987003221A1 Novel collectors for froth flotation of minerals
06/03/1987EP0224277A2 Process for selectively separating plutonium from uranium and other metals
06/03/1987CN86101573A Collectors for froth flotation of minerals
06/03/1987CN86101495A Collector compositions for froth flotation of mineral values
06/02/1987CA1222581A1 Process for the froth flotation of complex metal compounds
06/02/1987CA1222379A1 Flottation of minerals
05/1987
05/26/1987US4668382 Minerals separation; increasing froth height
05/26/1987US4667885 Process for grinding organic-containing minerals
05/20/1987CN86108113A Complexing agent for floating copper ore
05/05/1987US4663279 Method of beneficiation of complex sulfide ores
05/05/1987US4663069 Light-duty liquid detergent and shampoo compositions
04/1987
04/28/1987US4661278 Monothiophosphinates as acid, neutral, or mildly alkaline circuit sulfide collectors and process for using same
04/22/1987EP0219057A2 Use of non-ionic surfactants as reagents for the flotation of non-sulphidic minerals
04/21/1987US4659458 Scurry separation
04/15/1987CN85109643A Collecting agent for foam-floatation of the useful component in ore
04/14/1987US4657688 Froth flotation for recovering of metal values from base metal sulfide ores
04/14/1987US4657669 Depressants for froth flotation
04/14/1987CA1220490A1 Low-foaming, ph sensitive, alkylamine polyether surface active agents and methods for using
04/08/1987CN86102467A Process for froth-flotation of phosphate mineral,and reagent intended for use in the process
04/01/1987EP0216002A2 Process for beneficiating natural calcite ores
04/01/1987EP0058197B1 Magnetic beneficiation of clays utilizing magnetic seeding and flotation
03/1987
03/31/1987CA1219739A1 Procedure for coating the vanes of the stator of a flotation machine and for fixing the coating
03/25/1987CN85106476A Recovery of usable mineral from ore by foaming agent composite and foaming flotation
03/25/1987CN85105404A Capryl alcohol frother in iron ore flotation process
03/18/1987CN85107378A Foaming agent composition and process for foam-flotation of regainning effective coal from raw coal
03/17/1987US4650569 Using metal sulfides and cyanides
03/17/1987US4650568 Trithiocarbonates as depressants in ore flotation
03/17/1987US4650567 Coal beneficiation
03/11/1987CN85109079A Upflow gas eductor induced air flotation separator
03/10/1987US4648966 Flotation
03/04/1987EP0211982A1 Upflow gas eductor induced air flotation separator
03/04/1987EP0211834A1 Aeration installation.
03/03/1987CA1218772A1 Means for leading off froth from the tank of a flotation cell
02/1987
02/25/1987EP0211492A2 Method and apparatus for reducing oil content of produced water by gas flotation
02/17/1987US4643852 Gas-liquid transfers; for decomposition of biological wastes or carbonation of beverages
02/17/1987US4643823 Recovering metal sulfides by flotation using mercaptoalcohols
02/10/1987US4642181 Increased reduction of magnesium content by use of inorganic promoters during beneficiation of phosphate ores by flotation
02/03/1987US4640789 Trithiocarbonates
02/03/1987CA1217580A1 Differential flotation reagent for molybdenum separation
01/1987
01/29/1987WO1987000451A1 Novel collector composition for froth flotation
01/28/1987CN86101682A Foaming mineral separation agent for s-containing ore
01/27/1987US4639313 Floatation apparatus for concentration of minerals from high water content aqueous slurries
01/27/1987CA1217285A1 Ore flotation with combined collectors
01/27/1987CA1217199A1 Flotation reagents
01/20/1987CA1216975A1 Flotation reagents
01/15/1987WO1987000088A1 Process for the selective separation of a copper molybdenum ore
01/15/1987DE3524071A1 Process and device for the flotation of fibre suspensions
01/14/1987EP0208411A2 Apparatus for separation of minerals by froth flotation from an aqueous pulp
01/13/1987US4636303 Beneficiation of dolomitic phosphate ores
01/07/1987CN86101646A Novel collector composition for froth flotation
01/06/1987US4634580 Process for the purification of wet-process phosphoric acid by removal of cadmium
01/06/1987CA1216379A1 Capryl alcohol frother in iron ore flotation process
01/06/1987CA1216157A1 Process for separately recovering zinc and lead values from zinc and lead containing sulphidic ore
01/02/1987DE3519374A1 Mechanical foam breaker
12/1986
12/30/1986US4632750 With carboxylic acid
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