Quantification of root nitrification capacity of bibb lettuce plants for use in a recirculating aquaculture system (RAS)
|Goldstein, Louis T.
|Timmons, Dr. Michael B.
|This research examined the feasibility of Bibb lettuce roots to provide a surface for nitrifying microbes to colonize, removing ammonia from wastewater. The work is geared towards sizing a rotational plant system to act as a natural biofilter to treat wastewater from the fish farming industry, making a recirculating natural system possible. It was observed that these natural, biotic surfaces provide a more suitable area for microbes to grow compared to inert materials. Nitrification rates were quantified, and were similar in magnitude to pre-experiment estimates. In addition, a correlation between Bibb lettuce leaf mass and root surface area was calculated, which greatly simplifies the calculation necessary to size a plant filtration unit.
|Quantification of root nitrification capacity of bibb lettuce plants for use in a recirculating aquaculture system (RAS)
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