Biosilica from Biomass Construction Material and Energy ChK Group, Inc. Plano, Texas ACS National Meeting & Exposition Dallas, TX March 20, 2014 Rajan K. Vempati, Ph.D. Prasad Rangaraju, Ph.D. Antonio Nanni Ph.D. Sridhar Komernini, Ph.D. John Imhoff Subbaraman Viswanathan, Ph.D.
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Biosilica from Biomass Construction Material and Energy ChK Group, Inc. Plano, Texas ACS National Meeting & Exposition Dallas, TX March 20, 2014 Rajan.
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Biosilica from BiomassConstruction Material and Energy
ChK Group, Inc. Plano, Texas
ACS National Meeting & ExpositionDallas, TX
March 20, 2014
Rajan K. Vempati, Ph.D.
Prasad Rangaraju, Ph.D.
Antonio Nanni Ph.D.
Sridhar Komernini, Ph.D.
John Imhoff
Subbaraman Viswanathan, Ph.D.
Project Goals
Manufacture Amorphous silica from biomass (Biosilica) with multiple uses Construction material in High Strength Concrete Additive in paints, plastics & tires Zeolite manufacture
Sustainable Product Unlike Other Food Products used in Bio-Fuels. The Rice
Production for Human Consumption Unaffected. Generate Revenues
From Biosilica - a high value product Sell energy as steam and power
Create Jobs
BiosilicaRenewable Cementitious Material
Rice HullFrom Rice Mills
Rice Field (Upland Cultivation)
Supply of Rice HullsAgricultural Waste Generated from Rice MillsUsed as fuel for its caloric value. Ash (black ash) with high carbon content is rejected as waste.Off-white or white Biolica Supply Potential is high
Major competition – from silica fumes in Cement
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AreaRice Mill Capacity Supply Biosilica
Competition From Silica Fumes (*)
USA 10.5 Million Tons 0.4 Million Tons 60,000 Tons
Worldwide 550 Million Tons 20 Million Tons --
Annual Capacities
(*) Silica fumes is a byproduct with limited capacity
Biosilica Premium Additive in High Performance Concrete (HPC)
Value Chain for Biosilica
Rice Cultivation and Processing in Rice Mills
ChK Process Biosilica Production and Power Generation
Biosilica to HPC and Power to the Grid
Currently Rice Hull is sent to landfills at a cost
Black ash is not suited for HPC due to high carbon content
ChK Process unique features:
• Biosilica Carbon content < 0.1%; NO graphitic carbon
• Zero crystallinity
• Produces process heat and power based on site requirements
• No solid waste as inorganic matter in rice hull becomes Biosilica