Development of decision support framework for optimizing resource recovery from a household-scale integrated agri-aquaculture system in the Mekong Delta, Vietnam

Nguyen Thi Thu Thao, Son LeThanh, Hans Schnitzer, Nguyen Viet Thang, Le Thanh Hai*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

Various biodegradable wastes derived from an integrated farming system require appropriate waste treatment solutions to maximize their resource recovery efficiency regarding environmental and economic benefits. This study aims to develop a decision support framework for optimizing resource recovery performance of biowaste treatment solutions in the integrated system. The “continuous improvement” concept of the FarmDESIGN model is adopted in conjunction with a Life Cycle Assessment tool. The combination of these two tools provides a comprehensive approach to the optimization algorithms for solving economic problems and emission reduction potential assessment in technology options of biowaste treatment for the integrated farming system. A case study was used for this purpose, with data from a household-scale integrated agri-aquaculture system in Vietnam's Mekong Delta. The results of the optimization calculations revealed that decisions on resource recovery solutions based on system data would identify a set of alternative system configurations. A good farm configuration including solutions of composting, vermicomposting, pelleting, and anaerobic digestion would be appropriate for an agri-aquaculture system larger than 2 ha in size, yielding the highest profits of up to 1900 USD while emitting the least amount of greenhouse gas. This study provides the implementation process of optimizing resource recovery performance, which may be of interest not only to integrated farm managers, but also decision-makers involved in agricultural waste management.

Original languageEnglish
Article number134643
JournalJournal of Cleaner Production
Volume379
DOIs
Publication statusPublished - 15 Dec 2022

Keywords

  • Bio-resource recovery
  • Decision support framework
  • FarmDESIGN
  • Integrated AAS
  • Life cycle assessment

ASJC Scopus subject areas

  • Renewable Energy, Sustainability and the Environment
  • Building and Construction
  • Environmental Science(all)
  • Strategy and Management
  • Industrial and Manufacturing Engineering

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