Patents for B03B 1 - Conditioning for facilitating separation by altering physical properties of the matter to be treated (1,738)
01/1995
01/11/1995CN2187319Y Waste duplicating ink powder regenerator
12/1994
12/15/1994DE4331948C1 Process for recovering platinum metals from motor vehicle exhaust catalysts
12/08/1994WO1994027725A1 Beneficiation of saline minerals
12/08/1994DE4318839A1 Apparatus for sorting thermoplastics from a stream of mixed material
12/01/1994DE4317808A1 Process and apparatus for separating mixtures of material components having different melting temperature
11/1994
11/08/1994US5361994 Subjecting material to heat and pressure while simultaneously applying an extruding action
10/1994
10/27/1994WO1994023841A1 Method of mineral ore flotation by atomised thiol collector
10/27/1994CA2160453A1 Method of mineral ore flotation by atomised thiol collector
10/26/1994EP0621086A1 Waste disposal apparatus
10/25/1994US5358120 Selective separation of finely-divided minerals by addition of selective collector reagent and centrifugation
10/05/1994EP0617740A1 Extraction of mercury and mercury compounds from contaminated material and solutions
10/05/1994CN1093022A Coal flotation process
10/04/1994US5351895 Separating device for cellulosic and thin plastic materials
09/1994
09/15/1994DE4307719A1 Method and device for the decontamination of solids contaminated on the surface with pollutants
09/13/1994US5346532 Process and apparatus for recovering metal values from ore
08/1994
08/18/1994DE4304726A1 Process for the separation of plastics using their different thermal expansion behaviour
07/1994
07/23/1994CA2112994A1 Recycling post consumer plastic products
07/19/1994US5330546 Hydrophobic polyelectrolyte coagulants for concentrating coal tailings
06/1994
06/30/1994DE4327891A1 Sepg. components of plastic waste for reprocessing
06/28/1994CA1330427C Method and apparatus for separating clay from and then dewatering ultra fine coal
06/09/1994WO1994012718A1 Deinking of printed paper by agglomeration process
06/07/1994CA1330125C Polyamines as pyrrhotite depressant in a flotation process
06/07/1994CA1329987C Process for the beneficiation of coal by selective caking
05/1994
05/17/1994US5311997 Conditioning by adding anionic flotation collector prior to centrifuging
05/03/1994US5308553 Metal hydride compositions and methods
05/03/1994US5307938 Treatment of iron ore to increase recovery through the use of low molecular weight polyacrylate dispersants
05/03/1994CA1328999C Process for beneficiation of coal by selective caking
04/1994
04/28/1994WO1994009167A1 Extraction of mercury and mercury compounds from contaminated material and solutions
04/14/1994WO1994007604A1 Coal flotation process
04/13/1994EP0591406A1 Selective separation of finely-divided minerals by addition of selective collector reagent and centrifugation
04/12/1994US5301810 Method and apparatus for removing plastic from wood chips
04/10/1994CA2107963A1 Tailings retreatment
04/05/1994US5299583 Method of and apparatus for separating fragments of tobacco ribs from shredded tobacco
03/1994
03/24/1994DE4231100A1 Sepg. fibrous and spike components from fossil fuel, esp. xylitol from lignite - by comminuting on rotor fan mill, sepg. coarse spike or fibrous components on shaking screen, and passing remainder to centrifugal sieve
03/22/1994US5295585 Method for achieving enhanced copper-containing mineral concentrate grade by oxidation and flotation
03/22/1994US5295582 Recycling post consumer plastic products
03/16/1994EP0586399A1 Method for recycling plastic coated paper product waste and polymeric film
02/1994
02/23/1994EP0583517A1 Process for purifying silica sand and other materials
02/02/1994EP0580625A1 Process for the separation, by polymer type, of moulded thermoplastics articles of different provenance
01/1994
01/27/1994DE4224265A1 Process for separating metal particles from slag - using impact energy to convert non-magnetisable structure to magnetisable structures
01/12/1994EP0577889A1 Differential grinding
01/11/1994US5277758 Method for recycling plastic coated paper product waste and polymeric film
01/06/1994WO1994000241A1 Process and device for sorting thermoplastic substances from a mixed flow
01/05/1994DE4220666A1 Sepg. thermoplastic polymer from mixed materials - by suitably heating mixt. to soften the fraction required and then passing mix to rotary disintegrator where harder material is sepd.
12/1993
12/15/1993EP0574175A1 Process and apparatus for recovering metal values from ore
12/07/1993US5268074 Method for recycling polymeric film
12/03/1993CA2097452A1 Process and apparatus for recovering metal values from ore
12/02/1993DE4217764A1 Sorting process for sepg. polyethylene@ from polypropylene@ - by heating the water particles with polyethylene shrinks and forms heavier fraction whilst polypropylene@ can then be removed by air elutriation
11/1993
11/11/1993WO1993022060A1 Method for achieving enhanced copper-containing mineral concentrate grade by oxidation and flotation
10/1993
10/14/1993DE4208554C1 Plant for sepn. of easily meltable residual material contained in plastic vessels - involves also crushing of plastic vessels and residues from grave candles contg. residues of wax paraffin and stearin
10/12/1993US5252614 Process for separating polyethylene terephthalate from polyvinyl chloride
10/12/1993CA1323115C Process for the enrichment of a sulphide ore
09/1993
09/28/1993US5248041 Separation of polyester from polyvinyl chloride
09/27/1993CA2092502A1 Sorting process and apparatus
09/14/1993US5244155 Silica or siliceous gangue from a desired mineral
09/08/1993EP0558528A1 Machine for recycling plastic containers, in particular bottles.
09/01/1993EP0557895A1 Method for separating a mixture of two plastics with similar specific gravities
08/1993
08/29/1993CA2090510A1 Method for separating a mixture of two plastics with similar specific gravities
08/17/1993US5236596 Method and apparatus for dewatering
08/12/1993DE4303500A1 Plastics sepn. for polyvinyl chloride and polyethylene terephthalate bottles - by sepg. hollow components contacting heated body and with lower softening point w.r.t. various physical properties e.g. elasticity
08/03/1993CA1321038C Method of separating carbonaceous coal from an aqueous slurry
07/1993
07/27/1993US5230140 Process for environmentally safe disposal of used fluorescent lamp potted ballast assemblies with component part reclamation and/or recycling
07/13/1993US5227047 Slurrying, magnetic separation
07/13/1993US5226545 Extraction of mercury and mercury compounds from contaminated material and solutions
07/09/1993CA2059023A1 Method and device for treating waste
06/1993
06/30/1993EP0548647A2 Method and apparatus for the separation of tobacco stem fibers and tobacco leaf fibers glued together
06/23/1993CN1073337A Method and apparatus for separating tobacco stalk fibre and tobacco leaf fibre bound together
06/16/1993EP0229835B1 Process for the selective separation of a copper molybdenum ore
06/01/1993CA1318730C Method of separating carbonaceous components from particulate coal containing inorganic solids and apparatus therefor
05/1993
05/30/1993CA2056647A1 Process and an apparatus for cleaning construction rubble
05/13/1993DE4216226A1 Method for identification and sepn. of mixed materials - by addition of characterising substance identifiable in UV light
04/1993
04/27/1993US5205414 Process for improving the concentration of non-magnetic high specific gravity minerals
04/27/1993CA1316835C Separation of ash from regenerated adsorbent
04/25/1993CA2080650A1 Process for environmentally safe disposal of used fluorescent lamp potted ballast assemblies and the like, with component part reclamation and/or recycling
04/15/1993DE4133592A1 Method of separating constituents of combined metal and plastics section - involves low temperature cooling of strip followed by passage between profiled rolls to fragment embrittled plastics
04/07/1993EP0535419A1 Process for separating plastics by flotation
04/06/1993US5199652 Dividing into particles; soaking in plasticizer; separation
03/1993
03/15/1993CA2078098A1 Process for the separation of plastics by flotation
03/04/1993WO1993004001A1 Metal hydride compositions and methods
03/04/1993WO1993003863A1 Ore sorting
03/03/1993EP0529845A1 Device and method for purification of liquids and for cleansing of the filtering material used in the device
03/02/1993US5190226 Steam heating predetermined quantity of waste material in pressure vessel to predetermined pressure and temperature while applying extruding action, recovering mixed waste for classification, separating and recovering recyclable materials
02/1993
02/16/1993US5186820 Agitation and controlled shearing with clean coarse sand in water, then elution and froth flotation, all with cooling
02/02/1993US5183212 Dividing into small pieces, heating, agitating, allowing like material to agglomerate
01/1993
01/21/1993WO1993000999A1 Selective separation of finely-divided minerals by addition of selective collector reagent and centrifugation
01/21/1993DE4124121A1 Small-particle grading system - suspends and filters in successive phases causing swelling and shrinkage
12/1992
12/30/1992EP0520739A2 Solid-solid separations utilizing alkanol amines
12/25/1992CA2072170A1 Solid-solid separations utilizing alkanol amines
12/23/1992WO1992022381A1 Process for improving the concentration of non-magnetic high specific gravity minerals
12/08/1992US5168727 Method and device for treating waste
12/02/1992EP0516551A1 Method of sorting vegetal products, particularly stems of mushrooms
12/02/1992EP0270592B1 Manipulating particulate matter
11/1992
11/11/1992EP0512464A1 Process for separating polyethylene terephthalate from polyvinyl chloride
11/10/1992US5161695 Method and apparatus for separating particulate material according to conductivity
11/10/1992US5161694 Use of hydrocarbon oil and water
10/1992
10/29/1992WO1992018313A1 Process for the separation, by polymer type, of moulded thermoplastics articles of different provenance
10/29/1992WO1992018249A1 The recovery of a valuable species from an ore
10/21/1992EP0407477B1 Process for removing pyritic sulfur from bituminous coals
10/01/1992WO1992016686A1 Method for recycling plastic coated paper product waste and polymeric film
08/1992
08/07/1992WO1992013640A1 Method of treating a base metal bearing material
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