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Economic feasibility study of aerators in aquaculture using life cycle costing (LCC) approach.
Roy, Subha M; Machavaram, Rajendra; Moulick, Sanjib; Mukherjee, C K.
Afiliación
  • Roy SM; Agricultural and Food Engineering Department, Indian Institute of Technology Kharagpur, West Bengal, Pin -721 302, India. Electronic address: subhamanash@gmail.com.
  • Machavaram R; Agricultural and Food Engineering Department, Indian Institute of Technology Kharagpur, West Bengal, Pin -721 302, India. Electronic address: rajendra@agfe.iitkgp.ac.in.
  • Moulick S; School of Civil Engineering, Kalinga Institute of Industrial Technology (KIIT) Deemed to be University, Bhubaneswar, Odisha, Pin - 751 024, India.
  • Mukherjee CK; Agricultural and Food Engineering Department, Indian Institute of Technology Kharagpur, West Bengal, Pin -721 302, India.
J Environ Manage ; 302(Pt A): 114037, 2022 Jan 15.
Article en En | MEDLINE | ID: mdl-34872178
Selection of aerator is a very important aspect in aquaculture operations. The selected aerator must be economically efficient and should be able to fulfil the requirement of oxygen supply in the pond water. In the present study, economic feasibility of nine different types of aerators, namely, perforated pooled circular stepped cascade (PPCSC), pooled circular stepped cascade (PCSC), circular stepped cascade (CSC), paddle wheel (PWA), spiral aerator (SA), propeller-aspirator-pump (PAA), submersible (SUBA), impeller aerator (IA) and air-jet aerator (AJA) was assessed based on capitalization method, a life cycle costing (LCC) approach. The results revealed that the PPCSC aerator can be considered as the most suitable aerator when dissolved oxygen (DO) content in the pond water is less than equal to 3 mg/L, and pond water volume (V) is less than 2100 m3. In other situations, mostly when pond water volume is more, IA proves to be the most suitable aerator, followed by PWA, PPCSC, and other available aerators. The sensitivity analysis conducted by using varying stocking density and capital cost also showed the same trend with regard to selection of aerators. This life cycle costing approach for selection of aerator can be implemented for any types of cultured species at any prevailing environmental conditions.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Oxígeno / Acuicultura Tipo de estudio: Health_economic_evaluation Límite: Animals Idioma: En Revista: J Environ Manage Año: 2022 Tipo del documento: Article Pais de publicación: Reino Unido
Texto completo
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Oxígeno / Acuicultura Tipo de estudio: Health_economic_evaluation Límite: Animals Idioma: En Revista: J Environ Manage Año: 2022 Tipo del documento: Article Pais de publicación: Reino Unido