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S.k. Singh – One of the best experts on this subject based on the ideXlab platform.

  • Magnetic Adsorbents for the treatment of water/wastewater—A review
    Journal of Water Process Engineering, 2015
    Co-Authors: Dhruv Mehta, Siddharth Mazumdar, S.k. Singh

    Abstract:

    Abstract In recent years, adsorption has displayed promising and effective results as a treatment technology for water and wastewater by industries. In the process, a number of Adsorbents have been synthesized and applied for the treatment of pollutants such as metals, dyes, pharmaceutical products in solutions. However, for adsorption to be unconditionally adopted by industries, a few obstacles such as high capital cost, difficult segregation of Adsorbent from solution, and complex synthesis processes need to be addressed. The removal of suspend Adsorbents in wastewater from a continuous flow system is a challenge which if addressed properly would enable us to recover the spent Adsorbent efficiently. The spent Adsorbents can then be regenerated and used again by the industries thereby leading to reduced capital investment. Therefore, studies have been carried out aiming at the incorporation of magnetism in such Adsorbents to aid their removal from wastewater. This review aims to comprehensively list and discuss Adsorbents which exhibit magnetic properties and their adsorption behaviour under diverse conditions. The literature survey presented in this paper renders evidence to the good potential of magnetic Adsorbents to remove various pollutants from wastewater. However, the practical utility of such Adsorbents needs to be explored before they can be commercially applied.

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Dhruv Mehta – One of the best experts on this subject based on the ideXlab platform.

  • Magnetic Adsorbents for the treatment of water/wastewater—A review
    Journal of Water Process Engineering, 2015
    Co-Authors: Dhruv Mehta, Siddharth Mazumdar, S.k. Singh

    Abstract:

    Abstract In recent years, adsorption has displayed promising and effective results as a treatment technology for water and wastewater by industries. In the process, a number of Adsorbents have been synthesized and applied for the treatment of pollutants such as metals, dyes, pharmaceutical products in solutions. However, for adsorption to be unconditionally adopted by industries, a few obstacles such as high capital cost, difficult segregation of Adsorbent from solution, and complex synthesis processes need to be addressed. The removal of suspend Adsorbents in wastewater from a continuous flow system is a challenge which if addressed properly would enable us to recover the spent Adsorbent efficiently. The spent Adsorbents can then be regenerated and used again by the industries thereby leading to reduced capital investment. Therefore, studies have been carried out aiming at the incorporation of magnetism in such Adsorbents to aid their removal from wastewater. This review aims to comprehensively list and discuss Adsorbents which exhibit magnetic properties and their adsorption behaviour under diverse conditions. The literature survey presented in this paper renders evidence to the good potential of magnetic Adsorbents to remove various pollutants from wastewater. However, the practical utility of such Adsorbents needs to be explored before they can be commercially applied.

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Anil K Saroha – One of the best experts on this subject based on the ideXlab platform.

  • utilization of sludge based Adsorbents for the removal of various pollutants a review
    Science of The Total Environment, 2017
    Co-Authors: Parmila Devi, Anil K Saroha

    Abstract:

    Sludge based Adsorbents are widely used for the removal of various pollutants from water and wastewater systems and the available data is much diversified. The purpose of this review is to organize and critically review the scattered available information on the potential of use of sludge based Adsorbents for the removal of various pollutants. It was observed that performance of the sludge based Adsorbents varies depending on the type of pollutants, type of precursor sludge, carbonization time-temperature profile and the type of activation conditions used. The variation in pyrolysis and activation conditions found to directly affect the Adsorbent properties, adsorption capacity and the mechanism of pollutant removal by sludge based Adsorbents. The interaction mechanisms of pollutants with Adsorbent surface found to have a detrimental effect on desorption and regeneration of the Adsorbents and its recycling potential. Therefore, desorption and regeneration technique used for recycle of the Adsorbents is also discussed in detail. Moreover, life cycle and cost analysis of sludge based Adsorbents is assessed to ensure the cost effectiveness of their application in water treatment operations.

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