Biomass-based composite catalysts for catalytic wet peroxide oxidation of bisphenol A : preparation and characterization studies
Juhola, R., Heponiemi, A., Tuomikoski, S., Hu, T., Prokkola, H., Romar, H., & Lassi, U. (2019). Biomass-based composite catalysts for catalytic wet peroxide oxidation of bisphenol A : preparation and characterization studies. Journal of Environmental Chemical Engineering, 7(3), Article 103127. https://doi.org/10.1016/j.jece.2019.103127
Julkaistu sarjassa
Journal of Environmental Chemical EngineeringTekijät
Hu, Tao |
Päivämäärä
2019Tekijänoikeudet
© 2019 Elsevier Ltd.
The wet granulation process was used to prepare new, efficient, and cost-effective granular biomass-based composite catalysts for catalytic wet peroxide oxidation (CWPO) of bisphenol A (BPA). The most stable composite granules was prepared by mixing biomass-based carbon residue (CR) with metakaolin (MK) combined with calcium oxide (CaO) or cement and a solvent (NaOH or KOH). For all the prepared composite granules, the optimized binding agents to carbon ratio was 0.3, the solvent to carbon ratio 1.2, and the agitation rate 1200 rpm. The specific surface area of the prepared catalysts was 152–205 m2/g. The composite granular catalyst (CR + MK + CaO + NaOH) had the most durable and stable structure (compressive strength of 27 N) and the most basic surface (15 mmol/g) measured with temperature programmed desorption. This catalyst was the most active in CWPO of BPA and total organic carbon removal of 50% and 48%, respectively.
Julkaisija
Elsevier BVISSN Hae Julkaisufoorumista
2213-3437Asiasanat
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https://converis.jyu.fi/converis/portal/detail/Publication/30605741
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