The Global Rice Husk Ash Silica Market was valued at USD 312.6 Million in 2023 and is projected to reach USD 580.2 Million by 2030, growing at a Compound Annual Growth Rate (CAGR) of 9.2% during the forecast period (2024–2030). This significant growth is driven by the increasing demand for sustainable materials, the expansion of the tire and rubber industries, and the rising adoption of green construction practices across various sectors.

As the world pivots towards circular economy models and eco-friendly manufacturing, Rice Husk Ash (RHA) Silica has emerged as a key material, transforming agricultural waste into high-value industrial inputs. This blog profiles the Top 10 Companies in the Rice Husk Ash Silica Industry—a mix of established chemical giants, specialized bio-silica producers, and innovative green tech firms shaping the future of sustainable materials.

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🔟 1. Solvay S.A.

Headquarters: Brussels, Belgium
Key Offering: High-Purity Precipitated Silica, Green Silica Solutions

Solvay is a global leader in advanced materials and specialty chemicals, with a significant presence in the silica market. The company is actively developing sustainable silica solutions, including variants derived from rice husk ash, to serve the tire, automotive, and personal care industries. Their R&D focuses on enhancing the performance characteristics of bio-silica for high-value applications.

Sustainability Initiatives:

• Commitment to sourcing 15% of renewable or recycled-based raw materials by 2030

• Investment in circular economy projects, including agricultural waste valorization

• Development of energy-efficient silica production processes

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

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9️⃣ 2. Bee Chems

Headquarters: Kanpur, Uttar Pradesh, India
Key Offering: RHA Silica (Various Grades), Specialty Silica Products

Bee Chems is a prominent Indian manufacturer specializing in silica products derived from rice husk ash. The company leverages India’s vast rice production to produce high-quality amorphous silica, serving domestic and international markets in the rubber, paints, and coatings sectors. Their integrated process ensures consistent quality from raw husk to finished silica.

Sustainability Initiatives:

• Zero-waste manufacturing process utilizing agricultural by-products

• Focus on reducing the carbon footprint of silica production compared to traditional methods

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8️⃣ 3. Wadham Energy Limited Partnership

Headquarters: Lopburi, Thailand
Key Offering: High-Grade RHA Silica, Silica for Tire & Rubber

Wadham Energy is a key player in Southeast Asia’s RHA silica market, operating one of the region’s largest rice husk power plants. The company’s unique position allows it to generate sustainable energy while producing high-purity silica from the resulting ash, creating a circular business model that serves the growing demand from the Asian tire industry.

Sustainability Initiatives:

• Integrated bio-energy and silica production model

• Partnerships with major tire manufacturers for sustainable rubber reinforcement

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7️⃣ 4. Brisil Technologies Pvt Ltd

Headquarters: Ahmedabad, Gujarat, India
Key Offering: Brisil RHA Silica, Nano Silica, Customized Silica Solutions

Brisil Technologies is an innovation-driven company focused on extracting high-value silica and other materials from rice husk ash. The company has developed proprietary technology for producing nano-silica and has established itself as a key supplier to the rubber, polymer, and construction industries in India and abroad.

Sustainability Initiatives:

• Patented eco-friendly extraction technology

• Focus on developing high-value nano-silica applications

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

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6️⃣ 5. EKASIL

Headquarters: Bangkok, Thailand
Key Offering: EKASIL RHA Silica, Specialty Silica for Industry

EKASIL is a leading Thai producer of silica from rice husk ash, capitalizing on Thailand’s status as a major rice exporter. The company supplies silica to various industries, including rubber, ceramics, and agriculture, with a strong focus on product quality and sustainable production practices that align with global environmental standards.

Sustainability Initiatives:

• Utilization of abundant local agricultural waste streams

• Development of eco-friendly alternatives to conventional silica sand

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5️⃣ 6. Jiangsu Hanfang Technology Co., Ltd.

Headquarters: Huaian, Jiangsu, China
Key Offering: Precipitated Silica, RHA-based Silica, Silica Gel

Jiangsu Hanfang is a significant Chinese manufacturer of silica products, including specialized grades derived from rice husk ash. The company serves a broad range of industries, from tire manufacturing to food and pharmaceuticals, leveraging China’s extensive rice production infrastructure to source raw materials sustainably.

Sustainability Initiatives:

• Integration of RHA silica into mainstream industrial supply chains

• Investment in R&D for advanced silica applications

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4️⃣ 7. BSB Nanotechnology Joint Stock Company

Headquarters: Hanoi, Vietnam
Key Offering: Nano RHA Silica, High-Purity Amorphous Silica

BSB Nanotechnology is a Vietnamese firm specializing in the production of nano-silica from rice husk ash. The company focuses on high-value applications in nanotechnology, advanced composites, and specialty chemicals, positioning itself as a technology leader in the Southeast Asian silica market.

Sustainability Initiatives:

• Focus on high-value nano-material production from waste

• Development of proprietary nano-silica synthesis methods

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3️⃣ 8. Oryzasil

Headquarters: São Paulo, Brazil
Key Offering: Oryzasil Natural Silica, Agricultural and Industrial Grades

Oryzasil is a Brazilian company dedicated to producing high-quality silica from rice husk ash, leveraging South America’s significant rice production. The company supplies silica to various sectors, including agriculture, where its products are used as natural anti-caking agents and soil conditioners.

Sustainability Initiatives:

• Promotion of circular agriculture practices

• Development of silica products for sustainable farming

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2️⃣ 9. Novosilgreen

Headquarters: Milan, Italy
Key Offering: Green Silica from RHA, Sustainable Material Solutions

Novosilgreen is a European company focused on producing environmentally friendly silica from rice husk ash for the European market. The company emphasizes the low environmental footprint of its products and targets industries seeking sustainable alternatives to conventional silica, including plastics, coatings, and construction materials.

Sustainability Initiatives:

• Carbon-negative silica production process

• Focus on meeting stringent EU environmental standards

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1️⃣ 10. Milin Environmental (Zhulin) Technology Co., Ltd.

Headquarters: Wuhan, Hubei, China
Key Offering: RHA Silica, Environmental Material Solutions

Milin Environmental specializes in transforming agricultural waste into valuable materials, with a core focus on high-purity silica from rice husk ash. The company integrates environmental technology with material science to create sustainable solutions for industrial applications, particularly in the construction and chemical sectors.

Sustainability Initiatives:

• Holistic approach to agricultural waste management

• Development of integrated waste-to-value solutions

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

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

The rice husk ash silica market is undergoing a transformative shift as industries worldwide embrace circular economy principles. While traditional silica sources still dominate, the industry is rapidly adopting RHA-based silica for its sustainability benefits and unique performance characteristics.

📈 Key Trends Shaping the Market:

• Expansion of RHA silica production capacity in Asia-Pacific rice-producing nations

• Increasing regulatory support for circular economy and waste valorization projects

• Growing demand from the tire industry for sustainable reinforcing fillers

• Advancements in extraction technology improving silica purity and reducing costs

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

The companies profiled above are not only creating valuable materials from waste—they’re pioneering the sustainable transformation of multiple industries, from tires to construction to personal care.