Flux Calcined Diatomite Filter Aid

Specially processed from high-purity diatomite through calcination and low-temperature washing, our diatomaceous earth filtration media delivers ≥90% SiO₂ purity, ≥85% porosity, and a 40-70 m²/g specific surface area, with adjustable 0.1-50μm pore sizes for precision filtration. It achieves >99% retention of suspended particles, colloids, and microorganisms while increasing flow rate by 25% and reducing turbidity to ≤5 NTU. Engineered for extreme conditions (pH 1-14, 400°C), it is widely used in food processing, chemical manufacturing, and environmental treatment, compatible with pressure filters, centrifuges, and other industrial equipment. Free from chemical additives and compliant with FDA & ISO standards, it enables 40% less waste generation and 30% lower operational costs through recyclable filter cake (e.g., for construction materials or metal recovery).Key Benefits:Customizable particle sizes (20-400 mesh)， Superior adsorption & durability， Enhanced filtration efficiency，Sustainable & cost-effective solution.By combining high-performance separation, chemical resistance, and eco-friendly advantages, this filtration media supports industries in achieving efficient, green production while maintaining regulatory compliance and operational cost savings.Applications Include: Food & Beverage Clarification, Industrial Wastewater Treatment, Chemical Process Filtration, Pharmaceutical & Bioengineering.Technical Advantages:Optimized pore structure for targeted contaminant removal ,Low energy consumption & waste reduction,Long-term stability in harsh environments,Full compliance with global safety standards.

The price of diatomaceous earth ranges from ¥800 to ¥10,000 per ton, depending on specifications and applications. Basic industrial grade (50-100 mesh, purity ≥70%) costs approximately ¥800-1,500/ton; refined grade (80-200 mesh, purity ≥80%) is priced at ¥1,800-2,500/ton; while food/pharmaceutical grade (ultra-fine mesh, low heavy metal content) can reach ¥3,000-6,500/ton.Final pricing is influenced by raw material quality, processing technology, order volume, and logistics costs—bulk orders enjoy negotiable discounts. Our products undergo high-temperature calcination and precision screening, ensuring high adsorption capacity and low density, making them ideal for filtration, construction, and environmental applications.We offer custom processing, along with quality inspection reports and tailored logistics solutions. Contact our sales team for an exact quote!

Shengtai Silica, a professional diatomaceous earth manufacturer, has specialized in R&D, production, and sales of diatomaceous earth for 13 years. With our high-quality proprietary mines, we operate 3 automated calcination production lines, achieving an annual capacity of 90,000+ tons.Our product range covers 80-1500 mesh, divided into three core categories:Construction grade (bulk density 0.35-0.6g/cm³)，Environmental adsorption grade (iodine value ≥120mg/g)，Food/pharmaceutical grade (heavy metals <10ppm)，Certified with ISO 9001, 14001, and 45001, we employ air classification and low-temperature water washing purification to ensure porosity exceeding 95%, making our products ideal for coatings, wastewater treatment, filter aids, and more.We offer: Free sample testing (8+ parameters, including pore distribution & oil absorption)，Custom particle size & packaging， Technical solution support，With in-house logistics fleets covering 30+ provinces, we guarantee 24-hour response for bulk orders.Contact us for high-performance diatomomaceous earth solutions!

Filte grade diatomaceous earth is a naturally efficient filtration medium processed from fossilized diatom deposits, featuring a unique porous structure and superior adsorption capacity that makes it ideal for solid-liquid separation across food & beverage, chemical, and pharmaceutical industries. Its micron-scale pore network effectively captures suspended particles, bacteria, and impurities while maintaining exceptional filtrate clarity. Through high-temperature calcination treatment, the product achieves outstanding chemical stability with zero contamination risk, fully complying with food-grade safety standards.With advantages including low density and high permeability, our filter-grade diatomaceous earth demonstrates excellent compatibility with various industrial equipment such as plate-and-frame filters and rotary vacuum drum filters, delivering 40-60% improved filtration efficiency and extended filter media lifespan. Compared to conventional filter aids, its remarkable regenerability reduces operational costs by over 30%. Particularly suitable for beer clarification, edible oil refining, and wastewater treatment applications, this high-performance material represents the optimal choice for industrial filtration processes where purity, efficiency, and cost-effectiveness are paramount.Certified to meet FDA, NSF and ISO standards, our product comes with comprehensive technical support and sample availability upon request.

Diatomaceous earth for water treatment is an eco-friendly filtration material derived from natural fossilized diatoms. is an eco-friendly filtration material derived from natural fossilized diatoms. Characterized by its high porosity and exceptionally large specific surface area, it demonstrates outstanding adsorption capacity for suspended solids, colloids, and heavy metal ions in water, making it widely applicable in municipal water supply, industrial wastewater treatment, and swimming pool purification systems.The material's micron-scale porous structure enables deep filtration of impurities above 0.5μm, significantly improving water clarity while effectively reducing COD and turbidity levels. Through activation and modification processes, the treated diatomaceous earth achieves excellent chemical stability, exhibiting strong resistance to acid/alkali corrosion with no leaching risks, fully complying with drinking water safety standards.Compatible with pressure filters and sand filter tanks, this filtration medium offers easy operation and simple filter cake removal, allowing for repeated use to reduce operational costs. Combining high-efficiency contaminant removal with environmentally friendly characteristics, diatomaceous earth represents an optimal solution for advanced water purification applications across various industries.

Food-grade diatomaceous earth does not imply direct consumption, but rather denotes a purified form of diatomaceous earth that complies with national food additive standards. Produced through calcination processes, this specialized material retains the characteristic porous microstructure that provides exceptional adsorption and filtration capabilities.In food processing applications, it effectively removes suspended solids, colloids, and microorganisms from liquid food products including alcoholic beverages, fruit juices, and edible oils, ensuring optimal clarity and purity. The material demonstrates complete food safety with stable chemical properties that preserve the original flavor profiles and nutritional content of filtered products.Widely utilized in beer, wine, syrup, and condiment production, food-grade diatomaceous earth combines environmental sustainability with cost-effectiveness. Its unique properties make it an ideal choice for modern food industries seeking to implement clean production processes while maintaining stringent quality standards. The material's inert nature and compliance with international food safety regulations further reinforce its position as a trusted filtration aid in global food manufacturing.

Water treatment of diatomaceous earth is a premium-grade filtration material produced through high-temperature calcination of purified diatom fossils. Characterized by its uniform microporous structure and exceptional adsorption capacity, it is specifically engineered for applications in food processing, pharmaceutical manufacturing, and precision chemical industries. Key Features:High Purity - The distinctive white color results from advanced impurity removal processes, guaranteeing absence of heavy metal residues while complying with FDA and pharmaceutical-grade safety standards.Precision Filtration - Effectively captures particles ranging 0.1-20μm, significantly enhancing liquid clarity and final product quality.Chemical Stability - Exhibits strong chemical inertness, resistant to acids/alkalis without altering solution pH values. Equipment Compatibility - Suitable for various filtration systems including plate-and-frame filters and rotary vacuum drums.Performance Advantages:30% reduction in energy consumption compared to conventional filter aids,Extended filter element service life due to low dirt-holding resistance,Easy filter cake removal and recovery, minimizing solid waste generation, Environmentally friendly solution for industrial filtration needs.