Method of removing silica or silicates from solids resulting fro

Details Method of removing silica or silicates from solids resulting fro Method of removing silica or silicates from solids resulting fro

1995-06-07

1998-07-21

Caldarola, Glenn

Sugar, starch, and carbohydrates

Processes

Carbohydrate manufacture and refining

423338, 423333, 127 1, 127 36, 536124, 536127, 536 111, C01B 3332, C13K 3000, C07H 106, C07G 1700

Patent

active

057829829

ABSTRACT:
A method of removing silica or silicates from solids results from the acid hydrolysis of materials containing cellulose and hemicellulose is disclosed. The method includes the steps of treating the solids with a metal hydroxide solution to produce an extract, reducing the pH of the extract to produce silicic acid, and removing the silicic acid from the extract.

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"Silicon-based Materials from Rice Husk" Karera, et al., Journal of Scientific & Industrial Research, 45:441-448 (Oct. 1986).

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