A regional optimization model for waste-to-energy generation using agricultural vegetative residuals

Orna Raviv*, Dani Broitman, Ofira Ayalon, Iddo Kan

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Scopus citations

Abstract

The spatial distribution of vegetative agricultural residuals (VAR) implies that any waste treatment system (WTS) designed to manage VAR is particularly sensitive to transportation costs. Additionally, a wide range of treatment technologies is potentially available for VAR treatment, but some of them lack a well-developed market for their output products. This study develops a method to design an economically feasible VAR treatment system, analyzing the profitability of the system as a function of logistics and uncertain market prices of the available treatment technologies' products. The design method includes an economic optimization model followed by a sensitivity analysis of the potential changes in the system's profitability. The results show that the market price of the treatment technologies' products has a larger impact on the system's profitability than transportation costs. Specifically, if biochar prices reach the level forecasted by experts, pyrolysis will become the dominant technology of the WTS. The research highlights the importance of the treatment technology selection and the location of treatment facilities in the design of an optimal WTS for VAR.

Original languageAmerican English
Pages (from-to)546-555
Number of pages10
JournalWaste Management
Volume73
DOIs
StatePublished - Mar 2018

Bibliographical note

Publisher Copyright:
© 2017 Elsevier Ltd

Keywords

  • Agriculture waste
  • Biochar
  • Economic-feasibility
  • Energy
  • Modelling
  • RDF
  • Transportation

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