Importance

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Abstract

A bioleaching bioreactor having an air injection and diffusion system, which allows control of the air bubble fine size, improving the oxygen and carbon dioxide distribution required by the microorganisms promoting the bioleaching process, to maintain the cellular concentration during the process. The bioleaching bioreactor includes a reactor body to contain the pulp to be processed and to allow the reaction to proceed; a support base to secure the reactor body; a pulp feeding device, protruding inwards the reactor body; an air injection and diffusion system to mix and to supply the air required by the reaction process; at least four vortex breaking elements located inside the reactor body; at least a heating element surrounding the reactor body to maintain the reaction temperature; a pulp outlet port to deliver the pulp already processed; an inlet port for the pulp to be processed; an air inlet port, located at the upper end of the reactor body; and, a vapor outlet port, located at the upper end of the reactor body.

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First Claim