Proximate and mechanical analysis of coals and cokes
- Ash content
- Volatile matter content
- Moisture content
- Size analysis by sieving
- True/apparent densities and open porosity
- Hardgrove Grindability Index (HGI) for coals
- Shales content in coals
Measurement of coal rheological properties
- Free Swelling Index (FSI)
- Contraction and dilatation with Audibert-Arnu dilatometer (Ruhr)
- Contraction and dilatation with High Temperature Dilatometer
- Gieseler fluidity
- Solidification temperature of semi-coke
- Permeability measurement in thermal gradient (mini oven)
Coal petrography (International Committee for Coal and organic Petrology accreditation)
- Vitrinite random reflectance
- Maceral analysis
- Coke optical texture
Coal oxidation detection
- Relative degree of oxidation in bituminous coal by alkali extraction
- Relative degree of oxidation in Abrasion drum
- Petrographic Stain test to detect oxidation
Laboratory Jenkner retort (1kg)
- Mass of carbonisation (single coals or coal blends)
- Determination of mass yield of coke, moisture, tar, ammonia, hydrogen sulphide
- Determination of BTX and volume yield of gas evolved during carbonisation
- Study the influence of additives
- Study the influence of alternative carbon material
Coke reactivity
- Coke Reactivity Index (CRI)
- Coke Strength after Reaction (CSR)
