MODIFIED POLYSACCHARIDES FOR DEPRESSING FLOATABLE GANGUE MINERALS

A class of non-sulfide, silicate gangue material depressants based on naturally- occurring galactomannans, having a galactose-to-mannose ratio of less than 1 :2.1, exemplified by modified products of the seed gums: casia tora gum, sesbania gum, kalonji gum, Ceratonia siliqua gum and/or Tamarindus in...

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Bibliographische Detailangaben
1. Verfasser:	CRANE, PHILIP
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	CHEMISTRY COMPOSITIONS BASED THEREON DERIVATIVES THEREOF DIFFERENTIAL SEDIMENTATION FLOTATION MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLIDMATERIALS OR FLUIDS METALLURGY ORGANIC MACROMOLECULAR COMPOUNDS PERFORMING OPERATIONS POLYSACCHARIDES SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATICTABLES OR JIGS THEIR PREPARATION OR CHEMICAL WORKING-UP TRANSPORTING
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Beschreibung
Zusammenfassung:	A class of non-sulfide, silicate gangue material depressants based on naturally- occurring galactomannans, having a galactose-to-mannose ratio of less than 1 :2.1, exemplified by modified products of the seed gums: casia tora gum, sesbania gum, kalonji gum, Ceratonia siliqua gum and/or Tamarindus indica gum, and methods of making and using them. L'invention concerne une classe de déprimants de matériau de gangue silicaté, non sulfuré à base de galactomannanes d'origine naturelle, qui présentent un rapport galactose-mannose inférieur à 1 :2,1; et qui sont des produits modifiés des gommes de graines suivantes : cassia tora, sesbania, kalonji, Ceratonia siliqua et/ou Tamarindus indica. L'invention concerne également des procédés de fabrication et d'utilisation desdits déprimants.