Machines. Technologies. Materials.
Vol. 18 (2024), Issue 7, pg(s) 224-226

TECHNOLOGIES

Installation and method for obtaining amorphous SiO2 from rice husks

  • 1 Bulgarian Academy of Sciences, Institute of Metal Science, Equipment and Technologies with Hydro and Aerodynamics Centre “Acad. A. Balevski”, Sofia, Bulgaria

Abstract

An original installation and method for the preparation of ash with a predominant content of amorphous SiO2 (96-97 %), which is a technological residue after thermal treatment of agro-biological waste (rice husks), are presented. The resulting product is a complete raw material for the production of materials with a variety of functional characteristics, using different technological designs (in combination with other components). The design parameters of the installation and the different stages of the developed technological approach are discussed. The basic operating mode of the installation within one operating cycle is presented. The design features and technical equipment of the installation allow controlled creation, maintenance and modification of the necessary technological conditions for the effective thermal processing of the waste biomass.

Keywords

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