期刊
SUSTAINABLE MATERIALS AND TECHNOLOGIES
卷 9, 期 -, 页码 10-40出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.susmat.2016.06.002
关键词
Adsorbent-pollutant matrix; Adsorption; Low-cost sorbents; Wastewater treatment; Sustainable technologies
Low-cost by-products from agricultural, household and industrial sectors have been recognized as a sustainable solution forwastewater treatment. They allowachieving the removal of pollutants fromwastewater and at same time to contribute to the waste minimization, recovery and reuse. Despite numerous reviews have been published in the last fewyears, a direct comparison of data obtained using different sorbents is difficult nowadays because of inconsistencies in the data presentation. In this context, the aimof the study was to revise the current literature concerning the application of low-cost adsorbents for wastewater treatment highlighting, systematically, both adsorbents characteristics and adsorption capacities. For this scope, low-cost sorbents have been divided into the following five groups: (i) Agricultural and household wastes, (ii) industrial by-products, (iii) sludge, (iv) sea materials, (v) soil and ore materials and (vi) novel low-cost adsorbents. The affinity of sorbents in removing various pollutants, their applications on real wastewater, costs and considerations on their reuse after adsorption processes, has been discussed. Finally, in order to better highlights the affinity of sorbents for more pollutants (dyes, heavy metals, biorecalcitrant compounds, nitrogen and phosphate compounds), simple methodological tools such as adsorbents-pollutants matrices have been proposed and applied. In thismanner, the adsorbent candidates for replacing commercial activated carbons have been identified. (C) 2016 Elsevier B.V. All rights reserved.
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