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A helically flighted rotating cylinder for concentrating manure solids

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A helically flighted rotating tube for concentrating dairy and swine manure solids was developed and evaluated. The solids removal and concentration factor values were measured with beet pulp, dairy manure arid swine manure slurries at different influent flow rates and suspended solids concentrations. A method of estimating the performance of the device based on turbulence inside the separator was developed and evaluated. Comments on the usefulness of the device as a livestock manure solid-liquid separator and possible alternate uses were made.

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