TY  - JOUR
T1  - Nitrification Performance of a Submerged Biofilter in a Laboratory Scale Size of the Recirculating Shrimp System
TT  - Nitrification Performance of a Submerged Biofilter in a Laboratory Scale Size of the Recirculating Shrimp System
AU  - Kır, Mehmet
PY  - 2009
DA  - April
JF  - Turkish Journal of Fisheries and Aquatic Sciences
PB  - Trabzon Su Ürünleri Merkez Araştırma Enstitüsü
WT  - DergiPark
SN  - 1303-2712
VL  - 9
IS  - 2
LA  - tr
AB  - A submerged biofilter (SBF) with 0.1 m3 of filter medium was maintained without backwash at four different water temperatures (14°C, 18°C, 22°C and 26°C) in four different recirculating systems stocked with green tiger shrimp (Penaeus semisulcatus). The ammonia removal profile and nitrification performance of the SBF was evaluated at feed loading rates of 2.65 g day-1 at 14°C, 5.52 g day-1 at 18°C, 7.91 g day-1 at 22°C and 10.94 g day-1 at 26°C In all of the experimental systems, the ammonia removal rate per unit volume of filter medium (the volumetric total ammonia nitrogen conversion rate, VTR) increased at the start of the experiment, reached and maintained a maximum value for a period of time, then decreased sharply. Statistical analysis revealed significant relationships among water temperature, total ammonia nitrogen (TAN) and the VTR.  Temperature was not more important than TAN when comparing their effects on the VTR of the SBF.
KW  - Biofilter
KW  - Recirculating system
KW  - Penaeus semisulcatus
KW  - Nitrification performance
N2  - A submerged biofilter (SBF) with 0.1 m3 of filter medium was maintained without backwash at four different water temperatures (14°C, 18°C, 22°C and 26°C) in four different recirculating systems stocked with green tiger shrimp (Penaeus semisulcatus). The ammonia removal profile and nitrification performance of the SBF was evaluated at feed loading rates of 2.65 g day-1 at 14°C, 5.52 g day-1 at 18°C, 7.91 g day-1 at 22°C and 10.94 g day-1 at 26°C In all of the experimental systems, the ammonia removal rate per unit volume of filter medium (the volumetric total ammonia nitrogen conversion rate, VTR) increased at the start of the experiment, reached and maintained a maximum value for a period of time, then decreased sharply. Statistical analysis revealed significant relationships among water temperature, total ammonia nitrogen (TAN) and the VTR.  Temperature was not more important than TAN when comparing their effects on the VTR of the SBF.
UR  - https://dergipark.org.tr/tr/pub/trjfas-ayrildi/issue//160465
L1  - https://dergipark.org.tr/tr/download/article-file/141834
ER  -