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Journal Info

Title: Studia Universitatis Vasile Goldis, Seria Stiintele Vietii (Life Sciences Series)
Abbreviated title: Studia Univ. VG, SSV
Publisher: "Vasile Goldis" University Press
Owner: Western University "Vasile Goldis" Arad, Romania
ISSN: 1584-2363
e-ISSN: 1842-7863
ISSN-L: 1584-2363

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Natural water treatment method for intensive aquaculture effluent purification Print E-mail
Written by Kerepeczki E., Gal D., Kosaros T., Hegedus R., Gyalog G., Pekar F.   
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Article Title: Natural water treatment method for intensive aquaculture effluent purification
Authors: Éva Kerepeczki*, Dénes Gál, Tünde Kosáros, Réka Hegedűs, Gergő Gyalog, Ferenc Pekár
Affiliation: Research Institute for Fisheries, Aquaculture and Irrigation, Szarvas, Hungary
Abstract: Several intensive flow-through fish production plants were established in Hungary in the last  decades, representing a significant share of the total fish production. However, the full management of the discharged  waste from such systems is still unsolved. Searching new sustainable methods for treatment and  utilisation of output nutrients a pilot-scale constructed wetland system was built in Szarvas in  2000. The pilot-scale system consisted of two subsystems (total area of 1.4ha) of similar  structure: one stabilisation pond and one fishpond connected serially; the water was channelled  from the fishpond into macrophyte ponds (surface-flow wetlands) and additionally spread on one  irrigated field. The nutrient removal of the wetland units was most efficient in the case of  organic carbon in the subsystem “A”; for all nutrients the removal efficiency reached 90%, except  for the phosphorus in the “A” subsystem, where the lowest efficiency was found (80%).
Keywords: aquaculture, constructed wetland, macrophyte, water treatment, nutrient
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