RICE HUSK ASH

RICE HUSK ASH

Rice Husk (or hull) is the outermost layer of the paddy grain that is separated from the rice grains during the milling process.  During milling of paddy about 78 % of weight is received as rice, broken rice and bran. Rest 22 % of the weight of paddy is received as husk. This husk is used as fuel in the rice mills to generate steam for the parboiling process.

This husk contains about 75 % organic volatile matter and the balance 25 % of the weight of this husk is converted into ash during the firing process, is  known as rice husk ash ( RHA ). 

This RHA in turn contains around 85 % - 90 % amorphous silica.

TYPICAL COMPOSITION OF RICE HUSK

COMPOSITION	PERCENTAGE
Cellulose	31.12
Hemicellulose	22.48
Lignin	22.34
Mineral Ash	13.87
Water	7.86
Extractives	2.33

   

CHEMICAL ANALYSIS OF MINERAL ASH

SiO2	93.19
K2O	3.84
MgO	0.87
Al2O3	0.78
CaO	0.74
Fe2O3	0.58

USES:

As a fuel in co-generation plant.

As a replacement to silica fume.

As a tundish powder in steel casting industries.

As an admixture in low cost concrete block manufacturing.

Manufacturing  refractory  bricks.

Control of insect pests in stored food stuffs.

In the  water purification.

In the vulcanizing rubber

As a flue gas desulphurization absorbent.

If anybody need please contact the below mail.

We can supply any quantity as per buyer’s needs.

E-Mail: seagraz@gmail.com