Resource optimisation in aquaponics facility via process monitoring and graph-theoretical approach

查看全文 作　　者：Vojtˇech [1]Ondruˇska;Bing Shen [2]How;Michal [3]Netolický;Vítˇezslav M´[1]aˇsa;Sin Yong [1,4]Teng 机构地区：[1]Brno University of Technology,Institute of Process Engineering&NETME Centre,Technick´a 2896/2,61669 Brno,Czech Republic;[2]Biomass Waste-to-Wealth Special Interest Group,Research Centre for Sustainable Technologies,Faculty of Engineering,Computing and Science,Swinburne University of Technology,Jalan Simpang Tiga,93350,Kuching,Sarawak,Malaysia;[3]Flenexa plus s.r.o.,Pˇr´aslavice 335,78354,Pˇr´aslavice,Olomouc,Czech Republic;[4]Radboud University,Institute for Molecules and Materials,P.O.Box 9010,6500 GL Nijmegen,the Netherlands 出　　处：《Carbon Resources Conversion》索引2022年第5卷第4期,共15页 基　　金：the Ministry of Education,Youth and Sports,Czech Republic under OP RDE grant number CZ.02.1.01/0.0/0.0/16_026/0008413“Strategic Partnership for Environmental Technologies and Energy Production”;Swinburne University of Technology Sarawak via Research Success Award(grant number:2-5747)。 摘　　要：Energy efficiency and economic viability are the often-quoted issues in aquaponic farming.This work aims to(i)identify process technologies and technical measures which would enhance the profitability of aquaponics business while conserving energy and other resources,and(ii)to validate the determined optimal measures on the testing aquaponics farm.The process network synthesis technique was used to search for an optimal process pathway while the image processing technique was applied to automatically monitor the growth rate of produce since it is the main revenue stream in aquaponics.With the aid of P-graph method,the optimal feasible structure has 9 times higher annual net income than that of the existing process.This optimal solution includes the integration of electrical heat pump,biogas system,and utilizes black solider fly(BSF)facility to produce fish feed.Additional light energy savings were achieved by practical installation of reflective foils which improved 16.88%of Photosynthetic photon flux density(PPFD)on growth beds.These measures can help the aquaponics farms to become more competitive and to decrease their ecological footprint. 关 键 词：Aquaponics Process monitoring P-graph Process optimization Energy savings