Oil-Dri Corporation of America is a leading manufacturer and supplier of specialty sorbent products, catering to both consumer and business to business markets. Established in 1941, our vertically integrated, global organization is renowned for its extensive mineral reserves, cutting-edge product development, efficient manufacturing, and dynamic sales and marketing strategies. At Oil-Dri, we offer a comprehensive range of specialty adsorbents designed to meet the highest standards of performance and efficiency. Our products, including Pure-Flo®, Supreme™, and Perform® bleaching clays, excel in the purification of fats, oils, and oleochemicals. Our Select® adsorbents are effective at removing impurities in a biodiesel process and can replace the use of a water wash centrifuge in vegetable oil refining. Additionally, our latest innovations, Metal-X® and Metal-Z™, are engineered to efficiently remove trace metals from diverse feedstocks used in renewable diesel processing. Oil-Dri is committed to delivering exceptional product quality and technical support, making us a trusted partner for producers around the globe.

PQ Corporation is the Global supplier of SORBSIL® Silica Hydrogels. These are high purity adsorbents that are widely accepted by the global refining industry for use in a range of applications including biodiesel production. Synthetic, amorphous silica powders are highly effective in the removal of contaminates from oil and fat feedstock derived from vegetable, animal, and marine sources. Their high adsorption capacity and affinity for phospholipids, trace metals and soaps provides for quality improvements and cost savings in biodiesel production and other refining industries. In addition, they help in removal of unreacted methanol, monoglycerides, diglycerides and sodium soaps from biodiesel.

The Dallas Group of America is the leader in edible oil filtration, adsorbent treatment solutions, and purification solutions across many industries including commercial and restaurant frying oil operations. The Dallas Group is committed to advancing technology and maintains fully equipped “state-of-the-art” laboratory facilities. Our staff of chemists is responsible not only for maintaining the highest standards of quality but also for conducting continuous research and innovation for the improvement and development of new applications across all product lines. Customer satisfaction is our goal.

Tolsa is a world leader in the extraction, treatment and commercialisation of minerals. Founded in Spain and present globally, our company has more than 67 years of experience on the special clays business, using them in more than 250 different applications. In particular, we manufacture selective adsorbents and bleaching earths used in the pretreatment stage of biofuel feedstocks.

Grace is a leading global supplier of specialty chemicals. Our renewable technology solutions for efficient feedstock pretreatment help our customers improve yields and productivity. In biodiesel feedstock pretreatment, TRISYL® silica helps to reduce the content of phospholipids, animal proteins, trace metals and other contaminants from feedstock oils and fats below the required catalyst specifications.