Optimum Condition of Hydraulic Loading Rate and Plant Requirement in Recirculation Aquaponic System.

Endut, Azizah Optimum Condition of Hydraulic Loading Rate and Plant Requirement in Recirculation Aquaponic System. In: Challenges in Environmental Science and Engineering, 14 -17 July 2009, Townsville, Australia.

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Abstract

Aquaculture is being actively developed for meeting the growing demand of fish. The issue of production sustainability, employment of improves technology, concept of eco-friendly and food safety regulations are still challenges facing the industries. Intensification of production cannot be carried out without a better understanding of the dynamics of aquatic production and how those dynamics should be manipulated to ensure optimal and sustainable production. A modern design recirculation aquaponic system (RAS) uses mass balance computations that identify and quantify the inputs, outputs and internal changes (conversions and consumptions) of the systemis one of the solution to overcome this problem. The growths of the Africa n catfish(Clariusgariepinus)and water spinach(Ipomoeaaquatica) were evaluatedin RAS with production capacity of 45 kg/m3.Weight gain, fish composition and plant growth were measured and their dependence on hydraulic loading rate was assessed. Each unit in RAS was evaluated in terms of oxygendemand and nitr ogen removal. Using specified feeding rate , mass balance equations were applied to quantify the waste discharges from rearing tanksand treatment units. The waste discharged was found to be strongly dependent on hydraulic loading rate and feed conversion ratio.

Item Type: Conference or Workshop Item (Paper)
Keywords: Hydraulic Loading Rate, Recirculation Aquaponic System, Mass Balance;Feed Conversion Ratio
Subjects: Q Science > Q Science (General)
Faculty / Institute: East Coast Environmental Research Institute (ESERI)
Depositing User: AP DR AZIZAH ENDUT
Date Deposited: 08 Nov 2015 04:26
Last Modified: 08 Nov 2015 06:35
URI: http://erep.unisza.edu.my/id/eprint/3797

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