Special Issue "Green Activated Carbons"
A special issue of Materials (ISSN 1996-1944).
Deadline for manuscript submissions: 31 March 2018
Dr. George Z. Kyzas
Hephaestus Advanced Laboratory, Eastern Macedonia and Thrace Institute of Technology, Kavala, GR-65404, Greece
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Interests: synthesis of adsorbent materials; removal of pollutants from aqueous wastewaters; activated carbons; characterization of materials; adsorption and transportation phenomena
Activated carbons are considered to be the most successful adsorbent materials due to their high adsorption capacity for the majority of pollutants (dyes, heavy metals, pharmaceuticals, phenols, etc.). They possess large surface areas, and different surface functional groups, which include carboxyl, carbonyl, phenol, quinone, lactone, and other groups, bound to the edges of the graphite-like layers. Therefore, they are regarded as good adsorbents, both in liquid and gas phases. The most widely-used carbonaceous materials for the industrial production of activated carbons are coal, wood, and coconut shell. These types of precursors are quite expensive and often imported, in many places; hence making it necessary, particularly for developing countries, to find a cheap and available feedstock for the preparation of activated carbon for use in industry, drinking water purification and wastewater treatment. In order to reduce the synthesis cost of activated carbons, some green final products are recently proposed, using several suitable agricultural by-products (lignocellulosics)—i.e., including olive-waste cakes, cattle-manure compost, bamboo materials, apple pulp, potato peel—as activated carbon precursors. In this Special Issue, special attention is given to those activated carbons (synthesis, and adsorption applications) which can be characterized as “green” because their origin and green environmental-friendly sources. For example, agricultural wastes can be used as origin for the preparation of carbons etc. Furthermore, the application of activated carbons cannot be only adsorption in liquid- or gas-phase (metals, dyes, CO2, NOx, etc.), and also other proposed applications.Dr. George Z. Kyzas
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- Activated carbons
- Agricultural wastes
- Various applications.