Article history: Chitin (a biopolymer obtained from shellﬁsh industry) was used as precursor for the production of Received 1 June 2017 biochars obtained via pyrolysis treatments performed at mild conditions (in the 290–540 C range). Accepted 28 July 2017 Biochars were physicochemical characterized in order to evaluate the pyrolysis-induced effects in terms Available online 31 July 2017 of both functional groups and material structure. Moreover, such carbonaceous materials were tested as adsorbent substrates for the removal of target molecules from aqueous environment as well as in Keywords: solid-gas experiments, to measure the adsorption capacities and selectivity toward CO . Lastly, biochars Adsorption were also investigated as possible cathode materials in sustainable and low-cost electrochemical energy Biochar storage devices, such as lithium-sulphur (Li-S) batteries. Interestingly, experimental results evidenced Chitin that such chitin-derived biochars obtained via pyrolysis at mild conditions are sustainable, low-cost and CO sequestration easy scalable alternative materials suitable for both environmental and energetic applications. Pyrolysis Lithium-Sulphur batteries © 2017 Elsevier B.V. All rights reserved. 1. Introduction tions) from a charcoal (a carbonaceous material produced with the intent to be applied as fuel in energetic ﬁelds) on the basis of their The term “biochar” initially referred to a “carbon-rich
Applied Surface Science – Elsevier
Published: Jan 1, 2018
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