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South Africa Coal
Rb1 Coal
Harnessing Exceptional Energy Rb1 coal is recognized for its superior calorific value and minimal sulfur content, making it the highest grade of coal available in the South African market. It is extensively utilized in power generation facilities and industrial applications that require a cleaner-burning fuel. With its outstanding energy density, Rb1 coal promotes maximum efficiency while minimizing environmental repercussions.
Rb2 Coal
Fueling Industrial Growth Rb2 coal holds a prominent role in the South African market, characterized by its respectable calorific value and moderate sulfur levels. It is a preferred choice for industries seeking a dependable and economical fuel source. Its adaptability allows it to be employed in various applications, including cement production, steam generation, and other industrial processes.
Rb3 Coal
A Reliable Resource Rb3 coal, which has a slightly lower calorific value and higher sulfur content than Rb1 and Rb2, provides a dependable resource for multiple sectors within the South African market. It is widely used in brick kilns, small-scale industrial activities, and residential heating. Rb3 coal offers an economical option without sacrificing quality.
| Parameter | Unit | RB1 | RB2 | RB3 |
| Net Calorific Value (ARB) | Kcal/kg | 6000 | 5700 | 5500 |
| Total Moisture (ARB) | % | 10-12 | 11-13 | 12-14 |
| Inherent Moisture (ADB) | % | 3-5 | 3-5 | 3-5 |
| Ash (ARB) | % | 12-15 | 14-17 | 20-23 |
| Sulfur (ARB) | % | <1 | <1 | <1 |
| Volatile Matter (ARB) | % | 22-26 | 21-25 | 20-24 |
Analysis | Basis | Typical Value |
Total Moisture | (% arb) | 8.50 |
Air Dried Moisture | (% adb) | 1.50 |
Ash | (% adb) | 9.20 |
Volatile Matter | (% adb) | 25.00 |
Fixed Carbon | (% adb) | 64.30 |
Total Sulphur | (% adb) | 0.42 |
Phosphorus in coal | (% adb) | 0.046 |
CSN | 7.00 | |
Maximum Fluidity | (ddpm) | 450.00 |
Mean Maximum Vitrinite Reflectance | (%) | 1.19 |
Ultimate Analysis | ||
Carbon | (% db) | 86.89 |
Hydrogen | (% db) | 4.96 |
Nitrogen | (% db) | 2.26 |
Oxygen | (% db) | 5.48 |
Proximate analyses | ||
Inherent moisture | % | 3 |
Total moisture | % | & |
Aah | % | 15 |
Volation matter | % | 28 |
Fixed carbon | % | 54 |
Ultimate analyses | ||
Carbon | % | 70.8 |
Hydrogen | % | 4.49 |
Nitrogen | % | 1.61 |
Oxygen | % | 23.1 |
Sulphur | % | 1.4 |
Forms of sulphur | ||
Pyratic | % | 0.878 |
Sulphatic | % | 0.051 |
Organic | % | 0.271 |
Total | % | 1,200 |
Miling | ||
HGI | 56 | |
Abrasion index | 243 | |
Ash fusion temperatures | ||
Reducing | ||
Deformation temp | °C | +1220 |
Spherical temp | °C | +1250 |
Hernisphere temp | °C | +1280 |
Flow temp | °C | +1320 |
Oxidizing | ||
Deformation temp. | °C | +1260 |
Spherical temp | °C | +1310 |
Hemisphere temp | °C | +1340 |
Flow temp | °C | +1380 |
| Calorific | value | |
| Gross specific energy | MJ/kg | 27 |
| kcal/kg | 6500 | |
| NAR specific energy | MJ/kg | 25 |
| kcal/kg | 6000 |
| Ash | composition | |
| so, | % | 49.24 |
| Al-On | % | 23.84 |
| FeyO, | % | 11.07 |
| TIO | % | 1.56 |
| PrO | % | 0.30 |
| CaO | % | 4.81 |
| MgO | % | 1.73 |
| NayO | % | 0.36 |
| K2O | % | 1.07 |
| so, | % | 4.47 |
| MnO | % | 0.00 |
| BaO | % | 0.18 |
| S | % | 0.18 |
| V2Os | % | 0.06 |
| CryO2 | % | 0.06 |
| ZrO2 | % | 0.11 |
| Total | % | 99.05 |
