![]() ![]() ![]() ![]() Tezontle (Volcanic sand) as an alternative media for the biostrata for its higher cost in biofilters was studied. Spray column aerator records the highest AAE of 1.075 kgO2/kW.h and oxygen transfer rate of 23.04 gO2/h. Four suitable aerators locally designed for RAS was evaluated for choosing the maximum aeration efficiency (AAE). The main objectives of the present study was to design and evaluate each component of a recirculating aquaculture system under local Mexican conditions, solids separator was evaluated obtaining optimum operations factors of water level in fish tank 90 cm and 2.54 cm of tank base diameter. Recirculating aquaculture systems was poorly applied in Mexico, and the majority of its components were imported. During the past years the trend to move from conventional open systems to high density and highly productive recirculation aquaculture systems (RAS) was observed for its advantages. ![]()
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