The Global Diatomaceous Earth Processing Aid Filter Market was valued at USD 352.7 Million in 2025 and is projected to reach USD 573.2 Million by 2034, growing at a Compound Annual Growth Rate (CAGR) of 5.3% during the forecast period (2024–2030). This growth is being driven by stringent regulatory standards for water and beverage purification, alongside increasing demand from the food & beverage and pharmaceutical industries for high-purity process streams.

As industries worldwide intensify their focus on product safety, quality, and operational efficiency, the role of advanced filtration technologies becomes paramount. In this blog, we profile the Top 10 Companies in the Diatomaceous Earth Processing Aid Filter Industry—a mix of global mining giants, specialized manufacturers, and innovative suppliers shaping the future of industrial purification.

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🔟 1. Imerys S.A.

Headquarters: Paris, France
Key Offering: Calcined Diatomaceous Earth, Flux-Calcined Diatomaceous Earth, Food-Grade Filter Aids

Imerys is a world-leading supplier of mineral-based solutions and a dominant player in the diatomaceous earth market. The company leverages its extensive global mining operations and advanced processing capabilities to produce a wide range of high-purity filter aids. Imerys serves a diverse clientele across the food & beverage, pharmaceutical, and industrial sectors, providing solutions for complex filtration challenges.

Innovation & Sustainability Initiatives:

• Investment in R&D for high-performance, low-density filter aids

• Focus on sustainable mining practices and water recycling in processing

• Development of customized solutions for specific industrial applications

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9️⃣ 2. EP Minerals (A U.S. Silica Company)

Headquarters: Reno, Nevada, USA
Key Offering: Diatomaceous Earth Filteraids, Celatom® Diatomite, Perlite Filter Aids

EP Minerals, part of U.S. Silica Holdings, is a major global producer of diatomaceous earth and perlite. The company owns some of the highest-quality diatomite deposits in the world and offers a comprehensive portfolio of filter aids under its renowned Celatom® brand. EP Minerals is known for its technical expertise and ability to provide tailored solutions for virtually any filtration need.

Innovation & Sustainability Initiatives:

• Continuous product development to improve flow rates and clarity

• Strategic focus on the fast-growing beverage and pool filtration markets

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8️⃣ 3. Showa Chemical Industry Co., Ltd.

Headquarters: Tokyo, Japan
Key Offering: Standard and High-Purity Diatomaceous Earth, Kenite® Diatomite

Showa Chemical is a leading Japanese manufacturer of diatomaceous earth products, with a strong presence across Asia. The company’s Kenite® diatomite is widely used in filtration applications, including beer, wine, and sugar refining. Showa Chemical emphasizes quality control and consistency, making it a preferred supplier for industries requiring stringent specifications.

Innovation & Sustainability Initiatives:

• Expansion of production capacity to meet growing regional demand

• Development of specialized grades for the pharmaceutical and fine chemical industries

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7️⃣ 4. Calgon Carbon Corporation (A Kuraray Company)

Headquarters: Pittsburgh, Pennsylvania, USA
Key Offering: Diatomaceous Earth Filter Aids, Activated Carbon, Integrated Filtration Systems

Calgon Carbon, a subsidiary of Kuraray Co., Ltd., is a global leader in purification solutions. While renowned for its activated carbon, the company also provides high-quality diatomaceous earth filter aids. Its strength lies in offering integrated solutions that combine different media for optimal filtration performance, particularly in water treatment and food & beverage applications.

Innovation & Sustainability Initiatives:

• Focus on providing complete, engineered filtration systems

• R&D into hybrid filter aid technologies for enhanced contaminant removal

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6️⃣ 5. Dicalite Management Group, Inc.

Headquarters: Bala Cynwyd, Pennsylvania, USA
Key Offering: Dicalite® Diatomite, Natural and Calcined Grades, Perlite

Dicalite Management Group is a significant North American producer of diatomaceous earth, perlite, and vermiculite. With mining and processing facilities in the U.S., the company supplies a broad spectrum of filter aids to various industries. Dicalite is recognized for its reliable supply chain and customer-centric approach to product development.

Innovation & Sustainability Initiatives:

• Expansion of product lines to include value-added, processed grades

• Investment in logistics to ensure efficient distribution to key markets

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5️⃣ 6. Diatomite CJSC

Headquarters: Moscow, Russia
Key Offering: TS-1 Diatomite, Industrial and Agricultural Grade Diatomaceous Earth

Diatomite CJSC is a leading producer of diatomaceous earth in Russia and the CIS region. The company controls substantial domestic reserves and caters primarily to the regional market for industrial filtration, agriculture, and absorbents. It plays a crucial role in the supply chain for Eastern European industries.

Innovation & Sustainability Initiatives:

• Modernization of processing plants to improve product quality

• Exploration of new applications within the domestic market

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4️⃣ 7. American Diatomite Inc.

Headquarters: Lovelock, Nevada, USA
Key Offering: Mine-to-Market Diatomaceous Earth, Custom Milled Products

American Diatomite Inc. is a specialized U.S.-based miner and processor of high-quality diatomaceous earth. The company focuses on providing consistent, high-purity products directly from its Nevada deposit. It serves a range of customers, from large industrial users to niche markets requiring specific particle size distributions.

Innovation & Sustainability Initiatives:

• Direct control over the entire supply chain from mining to milling

• Specialization in producing custom blends for unique customer requirements

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Diatomaceous Earth Processing Aid Filter Market – View in Detailed Research Report

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3️⃣ 8. Qingdao Chuanyi Diatomite Co., Ltd.

Headquarters: Qingdao, Shandong, China
Key Offering: Diatomaceous Earth Powder, Filter Aids, Absorbent Materials

Qingdao Chuanyi Diatomite is a prominent Chinese manufacturer and exporter of diatomaceous earth products. The company benefits from China’s vast diatomite resources and has developed a strong export business, supplying cost-effective filter aids to global markets. It is a key player in the competitive Asian landscape.

Innovation & Sustainability Initiatives:

• Scaling up production to capitalize on growing international demand

• Improving product quality to meet international standards for food and pharmaceutical use

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2️⃣ 9. Jilinyuantong Mineral Co., Ltd.

Headquarters: Changchun, Jilin, China
Key Offering: Raw and Processed Diatomite, Filter Aid Powders

Jilinyuantong Mineral is another major Chinese supplier with significant mining assets in Jilin province. The company produces a variety of diatomaceous earth grades for both domestic consumption and export. Its strategic location and large-scale operations make it an important contributor to the regional supply.

Innovation & Sustainability Initiatives:

• Investment in processing technology to enhance product value

• Focus on expanding its presence in Southeast Asian and European markets

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1️⃣ 10. Diatomite Direct

Headquarters: USA
Key Offering: Bulk Diatomaceous Earth, Specialty Filter Aids, Consumer and Industrial Grades

Diatomite Direct operates as a key distributor and supplier, providing easy access to diatomaceous earth products for a wide range of customers. The company specializes in streamlining the supply chain, offering everything from small batches for R&D to bulk quantities for industrial production, making it a vital link for end-users.

Innovation & Sustainability Initiatives:

• E-commerce and logistics platform for efficient order fulfillment

• Focus on educating customers on the optimal use of diatomaceous earth for various applications

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Diatomaceous Earth Processing Aid Filter Market – View in Detailed Research Report

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🌍 Outlook: The Future of Industrial Filtration is Efficient and Sustainable

The diatomaceous earth processing aid filter market is undergoing a significant evolution. While traditional applications continue to drive volume, the industry is increasingly focused on enhancing efficiency, reducing environmental impact, and expanding into new high-value applications.

📈 Key Trends Shaping the Market:

• Rising demand for high-purity filtration in pharmaceutical and biotech manufacturing

• Increasing stringency of global water quality standards and environmental regulations

• Development of advanced, engineered grades with improved performance characteristics

• Growth in craft beverage production, fueling demand for reliable clarification solutions

Get Full Report Here:
Diatomaceous Earth Processing Aid Filter Market – View in Detailed Research Report

The companies listed above are not only supplying essential purification materials—they’re driving innovation and sustainability across countless industries that depend on clear, pure liquids.