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Model-based optimisation and economic analysis to quantify the viability and profitability of an integrated nutrient and energy recovery treatment train

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Abstract
In order to hasten the implementation of optimal, cost-effective and sustainable treatment trains for resource recovery from biowaste, a new nutrient recovery model (NRM) library has been developed and validated at steady state. It includes physico-biochemical mathematical models for anaerobic digestion, struvite precipitation and ammonia stripping and absorption as ammonium sulfate. The present paper describes the use of the NRM library to establish the operational settings of a sustainable and cost-effective treatment scenario with maximal resource (nutrients and biogas) recovery and minimal energy and chemical requirements. Under the optimised conditions and assumptions made, potential financial benefits for a large-scale anaerobic digestion and nutrient recovery project treating 2700 m(3)/d of pig manure were estimated at US$2.8-6.5/m(3) based on net variable cost calculations, or an average of similar to$2/(m(3) year), equivalent to $40/(t total solids year), over 20 years in the best case when also taking into account capital costs. Hence, it is likely that in practice a full-scale zero-cost biorefinery for nutrient and energy recovery from manure can be constructed. As such, this paper demonstrates the potential of the NRM library to facilitate the implementation of sustainable nutrient and energy (biogas) recovery treatment trains for biowaste valorisation.
Keywords
environment, mathematical modelling, natural resources, WASTE-WATER TREATMENT, ANAEROBIC-DIGESTION, HEAT

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MLA
Vaneeckhaute, Céline, et al. “Model-Based Optimisation and Economic Analysis to Quantify the Viability and Profitability of an Integrated Nutrient and Energy Recovery Treatment Train.” JOURNAL OF ENVIRONMENTAL ENGINEERING AND SCIENCE, vol. 14, no. 1, 2019, pp. 2–12.
APA
Vaneeckhaute, C., Remigi, E. U., Tack, F., Meers, E., Belia, E., & Vanrolleghem, P. A. (2019). Model-based optimisation and economic analysis to quantify the viability and profitability of an integrated nutrient and energy recovery treatment train. JOURNAL OF ENVIRONMENTAL ENGINEERING AND SCIENCE, 14(1), 2–12.
Chicago author-date
Vaneeckhaute, Céline, Enrico U Remigi, Filip Tack, Erik Meers, Evangelina Belia, and Peter A Vanrolleghem. 2019. “Model-Based Optimisation and Economic Analysis to Quantify the Viability and Profitability of an Integrated Nutrient and Energy Recovery Treatment Train.” JOURNAL OF ENVIRONMENTAL ENGINEERING AND SCIENCE 14 (1): 2–12.
Chicago author-date (all authors)
Vaneeckhaute, Céline, Enrico U Remigi, Filip Tack, Erik Meers, Evangelina Belia, and Peter A Vanrolleghem. 2019. “Model-Based Optimisation and Economic Analysis to Quantify the Viability and Profitability of an Integrated Nutrient and Energy Recovery Treatment Train.” JOURNAL OF ENVIRONMENTAL ENGINEERING AND SCIENCE 14 (1): 2–12.
Vancouver
1.
Vaneeckhaute C, Remigi EU, Tack F, Meers E, Belia E, Vanrolleghem PA. Model-based optimisation and economic analysis to quantify the viability and profitability of an integrated nutrient and energy recovery treatment train. JOURNAL OF ENVIRONMENTAL ENGINEERING AND SCIENCE. 2019;14(1):2–12.
IEEE
[1]
C. Vaneeckhaute, E. U. Remigi, F. Tack, E. Meers, E. Belia, and P. A. Vanrolleghem, “Model-based optimisation and economic analysis to quantify the viability and profitability of an integrated nutrient and energy recovery treatment train,” JOURNAL OF ENVIRONMENTAL ENGINEERING AND SCIENCE, vol. 14, no. 1, pp. 2–12, 2019.
@article{8621311,
  abstract     = {In order to hasten the implementation of optimal, cost-effective and sustainable treatment trains for resource recovery from biowaste, a new nutrient recovery model (NRM) library has been developed and validated at steady state. It includes physico-biochemical mathematical models for anaerobic digestion, struvite precipitation and ammonia stripping and absorption as ammonium sulfate. The present paper describes the use of the NRM library to establish the operational settings of a sustainable and cost-effective treatment scenario with maximal resource (nutrients and biogas) recovery and minimal energy and chemical requirements. Under the optimised conditions and assumptions made, potential financial benefits for a large-scale anaerobic digestion and nutrient recovery project treating 2700 m(3)/d of pig manure were estimated at US$2.8-6.5/m(3) based on net variable cost calculations, or an average of similar to$2/(m(3) year), equivalent to $40/(t total solids year), over 20 years in the best case when also taking into account capital costs. Hence, it is likely that in practice a full-scale zero-cost biorefinery for nutrient and energy recovery from manure can be constructed. As such, this paper demonstrates the potential of the NRM library to facilitate the implementation of sustainable nutrient and energy (biogas) recovery treatment trains for biowaste valorisation.},
  author       = {Vaneeckhaute, Céline and Remigi, Enrico U and Tack, Filip and Meers, Erik and Belia, Evangelina and Vanrolleghem, Peter A},
  issn         = {1496-2551},
  journal      = {JOURNAL OF ENVIRONMENTAL ENGINEERING AND SCIENCE},
  keywords     = {environment,mathematical modelling,natural resources,WASTE-WATER TREATMENT,ANAEROBIC-DIGESTION,HEAT},
  language     = {eng},
  number       = {1},
  pages        = {2--12},
  title        = {Model-based optimisation and economic analysis to quantify the viability and profitability of an integrated nutrient and energy recovery treatment train},
  url          = {http://dx.doi.org/10.1680/jenes.18.00005},
  volume       = {14},
  year         = {2019},
}

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