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Theodore Guy Roberts

Brian E Ainsworth

William Jason McCune-Sanders

A tubular plug flow digester system assembled from manufactured components, including a holding/heating tank () connected to a manifold () that feeds a single or multiple parallel injection pumps (). These pumps force feedstock though check valves () and into single or parallel digester hulls. This hulls are composed of manufactured parts including tapered end sections () and hull sections () that can be assembled onsite to a configuration that accommodates operational needs. Biogas produced by this digester is pressurized due to a liquid column created by an elevated effluent outlet (). Feedstock is inoculated with relevant microorganisms that promote the generation of methane-rich biogas. Inoculation members () positioned within the hulls shelter biofilms containing these microbes while allowing regions of the biofilm to slough or naturally release microbes into the flowing feedstock stream. Biogas is collected through a manifold () and its release is controlled by a regulator or a valve.

Tubular anaerobic digester

A personal amplification sound system includes a microphone adapted to receive a sound and convert the sound into an original source signal, and an amplifier in operable communication with the microphone and adapted to receive the original source signal from the microphone and amplify the original source signal, thereby resulting in an amplified signal. The personal amplification sound system also includes at least one speaker in operable communication with the amplifier and adapted to receive the amplified signal from the amplifier, and an article of clothing adapted to the worn by a user, and that houses the amplifier and the at least one speaker therein.

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Richmond, VT, United States of America

Theodore Guy Roberts