About this document
Coal Grades and GCV Classification by Ma Ntu is a document available to read on EtoBox.
The document outlines the grading systems used for different types of coal in India. Coking coal grades are based on ash content, with lower ash content coals receiving higher grades. Semi-coking and weakly coking coal grades are based on the total of ash and moisture content. Non-coking coal grades are based on gross calorific value, with coals having higher calorific values receiving higher grades. There are multiple grades listed for each coal type based on thresholds for their key quality metrics.
- Author
- Ma Ntu
- Language
- EN