Department Of Environmental Science And Technology

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Author: search.filters.author.Dhull, Sanju Bala

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    Bioremediation Potential of Trichoderma species for Metal(loid)s
    (CRC Press, 2022-09-30T00:00:00) Kidwai, Mohd. Kashif; Malik, Anju; Dhull, Sanju Bala; Rose, Pawan Kumar; Garg, Vinod Kumar
    Environmental pollution is a global challenge affecting all ecosystems. Various types of pollution are posing challenges to the survival of present and future generations. Inappropriate disposal of heavy metals also causes adverse economical and ecological effects. Microorganisms are omnipresent and deliver significant ecological services in the management of metal(loid)s, enabling them to be applied in various biotechnological strategies for the environmental management needed for sustainable development. Fungal organisms have the innate mechanisms and features such as resistance, tolerance, enzymatic diversity, production of metallothioneins, enzymes and organic acids, enabling them to be applied as potential microorganisms for the remediation of metal(loid)s. Trichoderma species are one among the widely investigated microorganisms and have beneficial applications in the agricultural and industrial sectors. This chapter overviews the contribution of studies conducted on different Trichoderma species and their potential for bioremediation of metal(loid)s such as nickel, cadmium, copper, arsenic, lead, chromium etc. by employing various detoxification strategies such as bioaccumulation, biotransformation, biosorption, phytobial remediation, etc. Various Trichoderma species, T. hrazianum, T. longibrachiatum, T. virens, T. viride etc., are discussed for having bioremediation potential against different metal(loid)s. � 2023 Anju Malik, Mohd. Kashif Kidwai and Vinod Kumar Garg.
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    Optimization of Swiss blue dye removal by cotton boll activated carbon: response surface methodological approach
    (Taylor and Francis Ltd., 2021-03-08T00:00:00) Rani, Rekha; Tasmeem, Summaiya; Malik, Anju; Garg, Vinod Kumar; Singh, Lakhvinder; Dhull, Sanju Bala
    Cotton boll activated carbon (CBAC) was employed for Swiss blue (SB) decolorization from simulated wastewater. Adsorption data conformed better with Langmuir adsorption isotherm with highest adsorption capability of 52.631 mg�g?1. Swiss blue adsorption onto CBAC was thermodynamically spontaneous and can be ascribed to follow the pseudo second order (PSO) kinetic model. An experimental matrix based on Box�Behnken design (BBD) of response surface methodology (RSM) was used to design the batch experiments for investigating the adsorption of SB onto CBAC considering four operating factors, viz. initial pH (2�12), contact time (15�150 min), SB concentration (125�375 mg�L�1) and CBAC dose (0.2�1 g/100 mL). RSM-BBD worked successfully to model the process, optimize the factors, and predict SB removal. � 2021 Informa UK Limited, trading as Taylor & Francis Group.