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Steam Activated Carbon Powder

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Our Powder activated carbon is manufactured using pure pine wood which is an excellent base for manufacturing activated carbons with good adsorption power.
The steam activated process is done by activating the charcoal in a rotary kiln by heating at high temperatures by steam. The activated carbon that comes out from the kiln is called unwashed activated carbon. These unwashed activated carbon has higher ash and iron content. This is reduced by washing the unwashed activated carbon with acid (HCl / H2SO4) and purified water. This results in reduction of ash content to as low as 1% and iron as low as 50 ppm.
The gradation of different qualities of activated carbon is done on the basis of Methylene blue value and iodine value. The iodine value is a better test as the particle size of iodine molecule is small enough to penetrate the smallest of pores

Technical Specification of Steam Activated Carbon (Unwashed grade)
Properties Grade
DC-15 DC-21 DC-31 DC-41
Methylene Blue Value min (mg/gm) 150 200 250 300
Iodine Value min (mg/gm) 500 600 750 900
Moisture (%) Max 5 5 5 5
ph 9 9 9 9
Ash (%) Max 15 15 15 15
Iron ppm Max 500 500 500 500
Acid Soluble Matter (%) 10 10 10 10
Water Soluble Matter (%) 7 7 5 5
Particle Size through 200 mesh (%) 90 90 90 90
Technical Specification of activated carbon (Acid washed)
Properties Grade
DCW-21 DCW-31 DCW-41 DCW-51
Methylene Blue Value min (mg/gm) 220 250 300 350
Iodine value min (mg/gm) 600 750 900 1050
Moisture (%) Max 5 5 5 5
Ash (%)Max 4 3.5 1.5 1.25
Iron ppm Max 200 200 100 70
ph 6.5-7.5 6.5-7.5 6.5-7.5 6.5-7.5
Chlorides ppm Max 1800 1800 1300 1000
Sulphate ppm Max 700 700 400 300
Acid Soluble Matter (%) 2 1 0.5 0.5
Water Soluble Matter (%) 1.5 0.8 0.2 0.1
Parctical Size Through 200 Mesh (%) 90 90 90 90

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