Laboratory Services

Coal Preparation

Coal Preparation Laboratory

The Coal Preparation Laboratory is one of the leading laboratory in the country for laboratory scale coal washability study and characterization of ROM coal, washery rejects bore hole samples. This Lab also undertakes comprehensive washability studies on coal samples as per the requirements of the client.

The basic services offered by the Laboratory are as follows :

  • Sub Sampling and Sample Preparation
    • Crushing of ROM Coal to different sizes
    • Screening of Coal at various sizes
    • Pulverisation
    • Grinding by Ball Mill/Rod Mill
  • Proximate Analysis
  • Ultimate Analysis
  • Calorific Value
  • Determination of Sulphur
  • Ash Fusion Temperature
  • Determination of characteristics of Fine Coal
    • Froth Flotation
    • Filtration
    • Sedimentation
    • pH
    • Size Analysis by Weight Sieving
  • Determination of Shattering, Pulverising & Abrasion Characteristics of Coal
    • Drop Shatter Test
    • Abrasion Test
    • Hardgrove Grindability Index
    • Typical Drum Tumbler Test
  • Determination of Caking Characteristics of Coal
    • Caking Index
    • Swelling Index
    • Gray King Assay (L.T.) Coke Type
  • Petrographic Analyses
    • Reflectance Measurement
    • Maceral Analysis
    • Analysis of Visible Minerals in Coal