Renewable Source of Sodium Silicate Takes Root in U.S.

AgriTecSorbents (Stuttgart, AR), a business started up by farmers cooperative group Producer’s Rice Mill (Stuttgart, AR), has begun manufacturing quality sodium silicate generated from the hulls of rice. The manufacturing process involves separating carbon from the sodium silicate present in the rice hulls. AgriTecSorbents employs a patented a combustion technology which the company says generates a unique ash comprised of about 20-30% activated carbon and 70-80% amorphous silica. The process involves treating the rice hull ash with a solution of...

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