Top 10 Companies in the Rice Husk Ash Silica Industry (2026): Market Leaders Driving Sustainable Innovation

In Business Insights
January 26, 2026


The Global Rice Husk Ash Silica Market was valued at USD 1.4 Billion in 2023 and is projected to reach USD 2.5 Billion by 2030, growing at a Compound Annual Growth Rate (CAGR) of 8.7% during the forecast period (2024–2030). This robust growth is fueled by the escalating demand for sustainable, high-performance materials across industries like tires, construction, and personal care, coupled with stringent environmental regulations promoting circular economy practices.

As industries worldwide pivot towards greener alternatives, rice husk ash (RHA) silica emerges as a pivotal material, transforming agricultural waste into a valuable resource. In this blog, we profile the Top 10 Companies in the Rice Husk Ash Silica Industry—a dynamic mix of specialized processors, chemical giants, and innovative startups shaping the future of sustainable silica production.

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🔟 1. Solvay S.A.

Headquarters: Brussels, Belgium
Key Offering: High-Purity Precipitated Silica from RHA

Solvay is a global leader in advanced materials and specialty chemicals, with a significant footprint in silica production. The company leverages its extensive R&D capabilities to produce high-purity precipitated silica derived from rice husk ash, catering to demanding applications in the tire industry as a reinforcing filler and in industrial applications.

Sustainability Initiatives:

  • Commitment to circular economy principles through waste valorization

  • Investment in green chemistry and bio-based raw material sourcing

  • Target of achieving carbon neutrality for its operations


9️⃣ 2. Brisil Technologies Pvt Ltd

Headquarters: Hyderabad, India
Key Offering: Brisil® Precipitated Silica, Brisil® Silica Gel

Brisil is a prominent Indian company specializing in the extraction of high-value silica from rice husk ash. It operates one of the largest RHA-based silica plants in Asia and serves a diverse clientele in the rubber, toothpaste, and coatings industries with its consistent quality products.

Sustainability Initiatives:

  • Pioneer in zero-waste RHA processing technology

  • Focus on creating sustainable supply chains in agrarian economies


8️⃣ 3. EKASIL

Headquarters: Jakarta, Indonesia
Key Offering: EKASIL® Precipitated Silica, Amorphous Silica Powder

EKASIL is a key player in Southeast Asia, capitalizing on the region’s significant rice production to produce silica from RHA. The company supplies silica for use in tires, industrial rubber goods, and as a desiccant, emphasizing cost-effectiveness and local sourcing.

Sustainability Initiatives:

  • Transforming local agricultural waste into economic opportunity

  • Reducing the environmental footprint of silica production


7️⃣ 4. Wadham Energy Limited Partnership

Headquarters: Harlow, Essex, United Kingdom
Key Offering: AgSil® RHA Silica

Wadham Energy is a UK-based company focused on renewable energy and sustainable materials. Its AgSil® product line includes high-grade silica extracted from rice husk ash, targeting applications in agriculture as a soil amendment and in various industrial sectors.

Sustainability Initiatives:

  • Integrated biorefinery approach utilizing rice husks for both energy and silica

  • Development of sustainable agricultural inputs

Download FREE Sample Report:
Rice Husk Ash Silica Market – View in Detailed Research Report


6️⃣ 5. BSB Nanotechnology Joint Stock Company

Headquarters: Hanoi, Vietnam
Key Offering: Nano Silica from RHA, Precipitated Silica

BSB Nanotechnology is a Vietnamese innovator specializing in nano-materials derived from rice husk ash. The company produces nano-silica with high specific surface area, which is used in high-performance composites, concrete strengthening, and specialty chemicals.

Sustainability Initiatives:

  • R&D in nanotechnology for enhanced material properties

  • Promoting green nanotechnology in emerging markets


5️⃣ 6. Jiangsu Hanfang Biotechnology Co., Ltd.

Headquarters: Huaian, Jiangsu, China
Key Offering: Food Grade RHA Silica, Precipitated Silica

Jiangsu Hanfang is a Chinese manufacturer with a focus on bio-based chemicals, including silica from rice husk ash. The company produces silica that meets stringent standards for applications in food, pharmaceuticals, and personal care products.

Sustainability Initiatives:

  • Production of high-purity, food-contact compliant silica

  • Integration of biotechnology in material processing


4️⃣ 7. Bee Chems

Headquarters: Kanpur, Uttar Pradesh, India
Key Offering: Silica Powder, Precipitated Silica

Bee Chems is a well-established Indian chemical company that produces silica from various sources, including rice husk ash. It serves the rubber, paint, and adhesive industries with a focus on quality and customer-specific solutions.

Sustainability Initiatives:

  • Adoption of environmentally friendly manufacturing processes

  • Expansion of product portfolio to include more bio-based offerings


3️⃣ 8. Milin Environmental Protection Technology Co., Ltd.

Headquarters: Wuhan, Hubei, China
Key Offering: RHA Silica for Construction, Industrial Fillers

Milin Environmental is a Chinese company dedicated to converting industrial and agricultural waste into useful materials. Its RHA silica is primarily used in the construction sector for producing high-performance, green concrete and cementitious materials.

Sustainability Initiatives:

  • Core business model centered on waste-to-resource conversion

  • Contributing to greener building materials and sustainable construction


2️⃣ 9. Novosilgreen

Headquarters: Milan, Italy
Key Offering: NovoSil® Green Silica

Novosilgreen is an innovative European company focused on producing sustainable silica exclusively from rice husk ash. Its NovoSil® product is designed as a direct, greener alternative to traditional precipitated silica for the tire and rubber industries.

Sustainability Initiatives:

  • Mission to decarbonize the silica supply chain

  • Strategic partnerships with tire manufacturers for sustainable sourcing


1️⃣ 10. Oryzasil Inc.

Headquarters: California, USA
Key Offering: Oryzasil® Nanosilica, High-Purity Silica

Oryzasil is a US-based technology company that has developed a proprietary process to extract high-purity silica and valuable by-products from rice husks. Its products target advanced applications in electronics, composites, and specialty chemicals.

Sustainability Initiatives:

  • Proprietary low-energy, chemical-free extraction process

  • Focus on creating a circular economy around rice cultivation

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Rice Husk Ash Silica Market – View in Detailed Research Report


🌍 Outlook: The Future of Rice Husk Ash Silica Is Circular and High-Performance

The rice husk ash silica market is at a pivotal juncture. While conventional silica production from sand or quartz remains dominant, the industry is rapidly embracing RHA silica for its superior sustainability credentials and unique properties. The shift is driven by a powerful combination of environmental imperatives and performance advantages.

📈 Key Trends Shaping the Market:

  • Green Tire Revolution: Increasing adoption of RHA silica as a reinforcing agent in “green tires” to improve fuel efficiency and reduce rolling resistance.

  • Circular Economy Mandates: Stricter waste management policies and corporate sustainability goals are pushing manufacturers to adopt bio-based alternatives.

  • Technological Advancements: Continuous innovation in extraction and purification processes is enhancing the quality and reducing the cost of RHA silica.

  • Geographical Expansion: Growing production capacities in major rice-producing regions like Asia-Pacific, creating localized and resilient supply chains.

The companies profiled above are not merely suppliers; they are enablers of a sustainable material transition. By turning a pervasive agricultural waste product into a high-value industrial input, they are demonstrating that economic growth and environmental stewardship can go hand in hand.

Get Full Report Here:
Rice Husk Ash Silica Market – View in Detailed Research Report