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Mechanisms and adsorption capacities of biochar for the removal of organic and inorganic pollutants from industrial wastewater

International journal of environmental science and technology (Tehran), 2021-10, Vol.18 (10), p.3273-3294 [Tạp chí có phản biện]

The Author(s) 2020 ;Attribution ;ISSN: 1735-1472 ;EISSN: 1735-2630 ;DOI: 10.1007/s13762-020-03060-w

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  • Nhan đề:
    Mechanisms and adsorption capacities of biochar for the removal of organic and inorganic pollutants from industrial wastewater
  • Tác giả: Ambaye, T. G. ; Vaccari, M. ; van Hullebusch, E. D. ; Amrane, A. ; Rtimi, S.
  • Chủ đề: Aquatic Pollution ; Chemical Sciences ; Earth and Environmental Science ; Ecotoxicology ; Environment ; Environmental Chemistry ; Environmental Science and Engineering ; Review ; Soil Science & Conservation ; Waste Water Technology ; Water Management ; Water Pollution Control
  • Là 1 phần của: International journal of environmental science and technology (Tehran), 2021-10, Vol.18 (10), p.3273-3294
  • Mô tả: Currently, due to the rapid growth of urbanization and industrialization in developing countries, a large volume of wastewater is produced from industries that contain chemicals generating high environmental risks affecting human health and the economy if not treated properly. Consequently, the development of a sustainable low-cost wastewater treatment approach has attracted more attention of policymakers and scientists. The present review highlights the recent applications of biochar in removing organic and inorganic pollutants present in industrial effluents. The recent modes of preparation, physicochemical properties and adsorption mechanisms of biochar in removing organic and inorganic industrial pollutants are also reviewed comprehensively. Biochar showed high adsorption of industrial dyes up to 80%. It also discusses the recent application and mechanism of biochar-supported photocatalytic materials for the degradation of organic contaminants in wastewater. We reviewed also the possible optimizations (such as the pyrolysis temperature, solution pH) allowing the increase of the adsorption capabilities of biochar leading to organic contaminants removal. Besides, increasing the pyrolysis temperature of the biochar was seen to lead to an increase in its surface area, while it decreases their amount of oxygen-containing functional groups, consequently leading to a decrease in the adsorption of metal (loid) ions present in the medium. Finally, the review suggests that more research should be carried out to optimize the main parameters involved in biochar production and its regeneration methods. Future efforts should be also carried out towards process engineering to improve its adsorption capacity to increase the economic benefits of its implementation.
  • Nơi xuất bản: Berlin/Heidelberg: Springer Berlin Heidelberg
  • Ngôn ngữ: English
  • Số nhận dạng: ISSN: 1735-1472
    EISSN: 1735-2630
    DOI: 10.1007/s13762-020-03060-w
  • Nguồn: Springer Nature OA/Free Journals
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