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Unveiling a Recycling-Sourced Mineral-Biocellulose Fibre Composite for Use in Combustion-Generated NOx Mitigation Forming Plant Nutrient: Meeting Sustainability Development Goals in the Circular Economy

Applied sciences, 2020-06, Vol.10 (11), p.3927 [Peer Reviewed Journal]

ISSN: 2076-3417 ;EISSN: 2076-3417 ;DOI: 10.3390/app10113927

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  • Title:
    Unveiling a Recycling-Sourced Mineral-Biocellulose Fibre Composite for Use in Combustion-Generated NOx Mitigation Forming Plant Nutrient: Meeting Sustainability Development Goals in the Circular Economy
  • Author: Gane, Patrick ; Dimić-Mišić, Katarina ; Barać, Nemanja ; Imani, Monireh ; Janaćković, Djordje ; Uskoković, Petar ; Barceló, Ernest
  • Subjects: cellulose circular economy ; gaseous pollution mitigation ; micro-nano-fibrillated cellulose humectant ; NOx sorption ; sustainable energy solutions ; zero carbon transport
  • Is Part Of: Applied sciences, 2020-06, Vol.10 (11), p.3927
  • Description: NOx is unavoidably emitted during combustion in air at high temperature and/or pressure, which, if exceeding recommended levels, has a negative impact on the population. The authors found that when moist, limestone (CaCO3) readily sorbs NO2 to form calcium nitrate, which provides the basis for developing a surface flow filter. The substrate was made from “over-recycled” cellulose fibres such as newsprint, magazines, or packaging fibre, which are too weak to be used in further recycling. The substrate was specially-coated with fine-ground calcium carbonate and micro-nano-fibrillated cellulose, which was used as a binder and essential humectant to avoid formation of a stagnant air layer. Pre-oxidation countered the action of denitrification bacteria colonising the cellulose substrate. The by-product CO2 produced in situ during carbonate to nitrate conversion was adsorbed by perlite, which is an inert high surface-area additive. After use, the nitrate-rich CaCO3-cellulose-based filter was proposed to be mulched into a run-off resistant soil fertiliser and micronutrient suitable, e.g., for renewable forestry within the circular economy. Belgrade, Serbia, which is a highly polluted city, was used as a laboratory test bed, and NO2 was successfully removed from an inlet of city air. A construct of street-side self-draughting or municipal/commercial transport vehicle-exterior motion-draught filter boxes is discussed.
  • Publisher: MDPI AG
  • Language: English
  • Identifier: ISSN: 2076-3417
    EISSN: 2076-3417
    DOI: 10.3390/app10113927
  • Source: TestCollectionTL3OpenAccess
    ROAD: Directory of Open Access Scholarly Resources
    ProQuest Central
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