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The nitrification and nitrite accumulation were studied in various free ammonia (FA) concentration and temperature combinations. Both ammonia oxidation rate and nitrite oxidation rate increased significantly with the increase in temperature from 10 to 30°C. The increase in the substrate oxidation rate with temperature was relatively faster for ammonia than nitrite. Nitrite accumulation started to...
This paper presents the first characterization data of the lutein-rich microalgae Scenedesmus almeriensis, a new strain isolated within a farmer's greenhouse. The main objective is to determine the appropriate conditions for the culture of this microalgae and any factors that might enhance its lutein content. The maximum growth rate was determined first in batch cultures, resulting an initial estimate...
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