| http://www.w3.org/ns/prov#value | - Patent US4372856 - Process and system for anaerobic treatment of waste - Google PatentsSearch Images Maps Play YouTube News Gmail Drive More ??Sign inAdvanced Patent SearchPatentsThe invention provides for a sealed mix tank having two chambers: one chamber mixes waste material and water to form a slurry and collect gas, particularly ammonia gas, during the digestive process; and, a second chamber
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