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Updated: Jun 23, 2026

Preparation of Biomass-based Mesoporous Carbon with Higher Nitrogen-/Oxygen-chelating Adsorption for Cu(II) Through Microwave Pre-Pyrolysis
Published on: February 12, 2019
Removal of odour-causing compounds using carbonaceous adsorbents/catalysts prepared from sewage sludge
A Anfruns1, C Canals-Batlle, A Ros
1Laboratori d'Enginyeria Química i Ambiental (LEQUIA), Universitat de Girona, Facultat de Ciències, Campus Montilivi s/n E- 17071, Girona, Spain. alba@lequia.udg.es
Abstract:
This paper discusses H(2)S, NH(3) and VOCs removal by sewage-sludge-derived materials with outstanding chemical and textural properties. These materials were obtained from different precursors using different chemical and thermal treatments. Results show that the H(2)S removal process entailed a catalytic conversion of H(2)S to S or SO(4) (2-) species. On the other hand, adsorption is the main mechanism governing the performance of sludge-based materials for NH(3) and VOCs. Retention capacities (x/M values) obtained for some of the sludge-based adsorbents/catalysts are similar to those obtained with commercial activated carbons selected as reference materials.
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