# Your question: What is GAR in Indonesia coal?

Contents

## What is meant by Gar in coal?

GAR – Gross As Received. Thermal coal is quoted on a GAR basis, except for Europe/ARA, Richards Bay 6,000 kcal/kg, and Japan and Korea West CIF, which are quoted on a NAR (Net As Received) basis. … It provides a rough estimate of the heating value of coal.

## What is GCV ARB?

ARB puts all variables into consideration and uses the total weight as the basis of measurement. ADB (air-dried) basis neglect the presence of moistures other than inherent moisture unlike ARB which uses total moisture. This results in different measured GCV on different Basis.

## What is kcal of coal?

Coal is very shiny, repels moisture, calorific value 7,800 – 8,000 kcal/kg, no coking properties.

## What is the price of Indonesian coal?

Indonesia sets May HBA thermal coal price at \$89.74/mt, up 3.5% on month | S&P Global Platts.

## How do you calculate moisture in coal?

Total moisture =X+Y*(1-X/100), Where, X: percentage loss in mass of original in air-drying, Y: percentage loss in mass of air dried sample on oven drying.

## How is coal GCV calculated?

The results for intrinsic properties and the gross calorific value are given in table 1. GCV= 7115.197 – 123.971*M – 81.3121*A + 20.7421*FC, Where GCV in kcal/kg and moisture, ash, fixed carbon in air dried percentage basis.

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## What is air dried basis coal?

Air dried basis: The coal has naturally dried in the open air until it cannot dry or dissipate any more moisture. … Dry basis: An analysis expressed on the basis of a coal sample from which the total moisture has in theory been removed. Coal in dry basis includes all contents but moisture.

## What is the ash content of coal?

The ash content of coal is the non-combustible residue left after carbon, oxygen, sulfur and water has been driven off during combustion. The remaining residue or ash is expressed as a percent of the original coal sample weight.

## What is the heating value of coal?

Heat Values of Various Fuels

Heat value
Natural gas 42-55 MJ/kg
Hard black coal (IEA definition) >23.9 MJ/kg
Hard black coal (Australia & Canada) c. 25 MJ/kg
Sub-bituminous coal (IEA definition) 17.4-23.9 MJ/kg