Phosphorus Removal from Dirty Farmyard Water by Activated Anaerobic-Digestion-Derived Biochar

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dc.contributor.authorZhang, Chen
dc.contributor.authorSun, Shuzhuang
dc.contributor.authorXu, Shaojun
dc.contributor.authorJohnston, Chris
dc.contributor.authorWu, Chunfei
dc.date.accessioned2023-01-18T14:41:04Z
dc.date.available2023-01-18T14:41:04Z
dc.date.issued2022-12-05
dc.descriptionPublication history: Accepted - 21 November 2022; Published online - 5 December 2022.en_US
dc.description.abstractThe management of anaerobic digestate is important to realize the value of the waste and enhance the whole system sustainability of anaerobic digestion. In this study, the phosphorus treatment of dirty irrigation water by biochar samples derived from digestate of anaerobic digestion were investigated. The biochars were further activated by steam activation with different duration time and KOH activation with different introducing ratios; the textural properties of biochars were optimized after activation from the aspect of biochar characterization. Notably, AD-N2 demonstrates a remarkable adsorption effect of phosphorus, with an adsorption efficiency of 8.99 mg g−1. Besides the effect of biochar dosage on phosphorus removal, adsorption kinetics and thermodynamic isotherms are studied. According to the adsorption kinetics, the adsorption of phosphorus from dirty water fits the Elovich equation (R2 = 0.95). Furthermore, the thermodynamic isotherm results illustrate the process of phosphorus removal by biochar is endothermic (ΔH0 = 17.93 kJ mol−1) and spontaneous (ΔS = 96.24 J mol−1 K−1). Therefore, this work suggests a promising solution to phosphorus-related environmental challenges in industry and agriculture.en_US
dc.description.sponsorshipThis project has received funding from the European Union’s Horizon 2020 research and innovation programme under the Marie Skłodowska-Curie grant agreement no. 823745. UK Catalysis Hub is kindly thanked for the resources and support provided via our membership of the UK Catalysis Hub Consortium and funded by EPSRC grant: EP/R026939/1, EP/R026815/1, EP/R026645/1, EP/R027129/1, or EP/ M013219/1 (biocatalysis).en_US
dc.identifierhttp://hdl.handle.net/20.500.12518/511
dc.identifier.citationZhang, C., Sun, S., Xu, S., Johnston, C. and Wu, C. (2022) ‘Phosphorus Removal from Dirty Farmyard Water by Activated Anaerobic-Digestion-Derived Biochar’, Industrial & Engineering Chemistry Research. American Chemical Society (ACS). Available at: https://doi.org/10.1021/acs.iecr.2c02668.en_US
dc.identifier.issn0888-5885
dc.identifier.issn1520-5045 (electronic)
dc.identifier.urihttps://doi.org/10.1021/acs.iecr.2c02668
dc.language.isoenen_US
dc.publisherAmerican Chemical Societyen_US
dc.rights© The Authors. Published by American Chemical Society. This is an open access article published under a Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/), which permits unrestricted use, distribution and reproduction in any medium, provided the author and source are cited.en_US
dc.subjectAdsorptionen_US
dc.subjectElementsen_US
dc.subjectPhosphorusen_US
dc.subjectSorbentsen_US
dc.subjectThermodynamicsen_US
dc.titlePhosphorus Removal from Dirty Farmyard Water by Activated Anaerobic-Digestion-Derived Biocharen_US
dc.typeArticleen_US
dcterms.dateAccepted2022-11-21
dcterms.dateSubmitted2022-07-25

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