Charcoal

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Shell Charcoal is obtained by burning the shell of fully matured coconuts with a limited supply of air so that they do not burn away to ash but are only carbonized. The manufacture of shell charcoal shows from the coconut shell has become a very important economic and commercial activity. Furthermore, coconut shell charcoal, which was relatively minor product in the past, has now developed into a general commercial commodity due to its intrinsic value as a raw material for the manufacture of activated carbon. Coconut shell charcoal shall be of the following two types:

Type I – Coconut shell charcoal – pieces
Type II – Coconut shell charcoal - granulated

1.

Scope

 

This Standard applies for Coconut Shell Charcoal.

2.

Raw Materials

 

2.1

Coconut Shell

 

 

The hard ligneous part of mature coconut (fruit) known as endocarp which lies between the husk and the brown skin (testa) of the kernel.

3.

Definition of the product

 

3.1

Coconut Shell Charcoal

 

 

The product obtained by charring coconut shells in a limited supply of air.

4.

Classification

 

Coconut shell charcoal shall be of the following two types.

·         Type 1 - coconut shell charcoal – pieces

·         Type 2 - coconut shell charcoal – granulated

5.

Description

 

Typically, good charcoal is uniformly black in color, non-lustros and broken edges should show a shiny surface with conchoidal fracture. When dropped on a cement or metal surface, good pieces give a clear ring.

6.

Packaging and Marking

 

Unless otherwise specified, coconut shell charcoal shall be packed in sacks suitable for safe transportation. They shall be of uniform size containing 50 kg of the material. Each container shall carry a tag / label clearly marked with all details.

7.

Organoleptic Properties

 

The color shall be natural black.

8.

Analytical Characteristics

 

Parameters

Quality Standards

 

Moisture

<10%

 

Volatile Matters

15% Maximum

 

Ash

<2% Maximum (m/m)

 

Fixed carbon

75% Minimum

 

Foreign matter

0.5% Maximum

 

Color

Black

       

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