Calorific power superior almost to 5,000 kcal/kg
PCS different for 19 to 23MJ/kg (MJ = Mega jawel)
Volatile substance between 40 to 48%
Sulphate = 1, 8 to 3, 5%
Ash = 15 to 25%
2. This cool extracted Salkadamna Contains:
This cool is extracted by SONICHAR Company in northern in Niger
Volatile substance (medium) = 23%
The ash content varies from 15 to 45%
The medium PCS = 5,00kcl/kg
1. Cool of surfaces B and A (know as contractual cool)
Please note that there are cools in Niger such: