Method and apparatus to remove contaminants from an organics waste stream and filtering light organics from fluids
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United States of America Patent
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Jan 26, 2021
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app pub date -
Feb 14, 2019
filing date -
Jun 19, 2018
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Abstract
An improved process and apparatus for separating organics and inorganics from waste material with a specific object of preparing the separated organic fraction for the production of biogas or other methods for diverting organics from landfills. Waste material, such as municipal solid waste or source-separated organic waste (SSO), is subjected to a first separation treatment that separates organic and inorganic waste components. The apparatus includes a hopper to receive contaminated organic waste from different sources, a vertical separator that separates the inorganics from the organics by creating a vortex effect in a stationary filtration drum by which the solid contaminants (paper, plastic, metals) are blown in a spiral pattern upwards and removed from the top, while the organic fraction is removed from the bottom. Such apparatus is improved through several methods to reduce or eliminate blockages and their associated downtime, and to increase the efficiency of the separation process.
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