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Ammonia stripping and scrubbing followed by nitrification and denitrification saves costs for manure treatment based on a calibrated model approach

Ruben Vingerhoets (UGent) , Claudio Brienza (UGent) , Ivona Sigurnjak (UGent) , Jeroen Buysse (UGent) , Siegfried E. Vlaeminck, Marc Spiller and Erik Meers (UGent)
(2023) CHEMICAL ENGINEERING JOURNAL. 477.
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Abstract
Resource-efficient nitrogen management is of high environmental and economic interest, and manure represents the major nutrient flow in livestock-intensive regions. Ammonia stripping/scrubbing (SS) is an appealing nitrogen recovery route from manure, yet its real-life implementation has been limited thus far. In nutrient surplus regions like Flanders, treatment of the liquid fraction (LF) of (co–)digested manure typically consists of nitrification/denitrification (NDN) removing most N as nitrogen gas. Integrating SS before NDN in existing plants would expand treatment capacity and recover N while maintaining low N effluent values, yet cost estimations of this novel approach after process optimisation are not yet available. A programming model was developed and calibrated to minimise the treatment costs of this approach and find the balance between N recovery versus N removal. Four crucial operational parameters (CO2 stripping time, NH3 stripping time, temperature and NaOH addition) were optimised for 18 scenarios which were different in terms of technical set-up, influent characteristics and scrubber acid. The model shows that SS before NDN can decrease the costs by 1 to 56% under optimal conditions compared to treatment with NDN only, with 1 to 8% reduction for the LF of manure (22–29% recovered of N treated), and 11 to 56% reduction for the LF of co-digested manure (42–67% recovered of N treated), primarily dependent on resource pricing. This study shows the power of modelling for minimum-cost design and operation of manure treatment yielding savings while producing useful N recovery products with SS followed by NDN.
Keywords
NH 3 stripping, CO 2 stripping, Techno-economic assessment, Optimisation, Resource recovery, NITROUS-OXIDE, RECOVERY, DIGESTATE, NUTRIENTS, METHANE

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Citation

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MLA
Vingerhoets, Ruben, et al. “Ammonia Stripping and Scrubbing Followed by Nitrification and Denitrification Saves Costs for Manure Treatment Based on a Calibrated Model Approach.” CHEMICAL ENGINEERING JOURNAL, vol. 477, 2023, doi:10.1016/j.cej.2023.146984.
APA
Vingerhoets, R., Brienza, C., Sigurnjak, I., Buysse, J., Vlaeminck, S. E., Spiller, M., & Meers, E. (2023). Ammonia stripping and scrubbing followed by nitrification and denitrification saves costs for manure treatment based on a calibrated model approach. CHEMICAL ENGINEERING JOURNAL, 477. https://doi.org/10.1016/j.cej.2023.146984
Chicago author-date
Vingerhoets, Ruben, Claudio Brienza, Ivona Sigurnjak, Jeroen Buysse, Siegfried E. Vlaeminck, Marc Spiller, and Erik Meers. 2023. “Ammonia Stripping and Scrubbing Followed by Nitrification and Denitrification Saves Costs for Manure Treatment Based on a Calibrated Model Approach.” CHEMICAL ENGINEERING JOURNAL 477. https://doi.org/10.1016/j.cej.2023.146984.
Chicago author-date (all authors)
Vingerhoets, Ruben, Claudio Brienza, Ivona Sigurnjak, Jeroen Buysse, Siegfried E. Vlaeminck, Marc Spiller, and Erik Meers. 2023. “Ammonia Stripping and Scrubbing Followed by Nitrification and Denitrification Saves Costs for Manure Treatment Based on a Calibrated Model Approach.” CHEMICAL ENGINEERING JOURNAL 477. doi:10.1016/j.cej.2023.146984.
Vancouver
1.
Vingerhoets R, Brienza C, Sigurnjak I, Buysse J, Vlaeminck SE, Spiller M, et al. Ammonia stripping and scrubbing followed by nitrification and denitrification saves costs for manure treatment based on a calibrated model approach. CHEMICAL ENGINEERING JOURNAL. 2023;477.
IEEE
[1]
R. Vingerhoets et al., “Ammonia stripping and scrubbing followed by nitrification and denitrification saves costs for manure treatment based on a calibrated model approach,” CHEMICAL ENGINEERING JOURNAL, vol. 477, 2023.
@article{01HHMF0PPMWSBX6EPHZ9D7J5TT,
  abstract     = {{Resource-efficient nitrogen management is of high environmental and economic interest, and manure represents the major nutrient flow in livestock-intensive regions. Ammonia stripping/scrubbing (SS) is an appealing nitrogen recovery route from manure, yet its real-life implementation has been limited thus far. In nutrient surplus regions like Flanders, treatment of the liquid fraction (LF) of (co–)digested manure typically consists of nitrification/denitrification (NDN) removing most N as nitrogen gas. Integrating SS before NDN in existing plants would expand treatment capacity and recover N while maintaining low N effluent values, yet cost estimations of this novel approach after process optimisation are not yet available. A programming model was developed and calibrated to minimise the treatment costs of this approach and find the balance between N recovery versus N removal. Four crucial operational parameters (CO2 stripping time, NH3 stripping time, temperature and NaOH addition) were optimised for 18 scenarios which were different in terms of technical set-up, influent characteristics and scrubber acid. The model shows that SS before NDN can decrease the costs by 1 to 56% under optimal conditions compared to treatment with NDN only, with 1 to 8% reduction for the LF of manure (22–29% recovered of N treated), and 11 to 56% reduction for the LF of co-digested manure (42–67% recovered of N treated), primarily dependent on resource pricing. This study shows the power of modelling for minimum-cost design and operation of manure treatment yielding savings while producing useful N recovery products with SS followed by NDN.}},
  articleno    = {{146984}},
  author       = {{Vingerhoets, Ruben and Brienza, Claudio and Sigurnjak, Ivona and Buysse, Jeroen and Vlaeminck, Siegfried E. and Spiller, Marc and Meers, Erik}},
  issn         = {{1385-8947}},
  journal      = {{CHEMICAL ENGINEERING JOURNAL}},
  keywords     = {{NH 3 stripping,CO 2 stripping,Techno-economic assessment,Optimisation,Resource recovery,NITROUS-OXIDE,RECOVERY,DIGESTATE,NUTRIENTS,METHANE}},
  language     = {{eng}},
  pages        = {{14}},
  title        = {{Ammonia stripping and scrubbing followed by nitrification and denitrification saves costs for manure treatment based on a calibrated model approach}},
  url          = {{http://doi.org/10.1016/j.cej.2023.146984}},
  volume       = {{477}},
  year         = {{2023}},
}
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