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Hydrogen Peroxide and Ultraviolet Irradiations in Water Treatment

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Abstract

Trihalomethanes (THMs) the by-products of chlorination in water treatment are recognised as a threat to public health due to their carcinogenicity. The photodegradation of THMs using hydrogen peroxide has been found to give increased removal efficiency and the outcome of the study may find, its application in designing a unit process for water treatment. Batch experiments were carried out using UV lamp of 83 W and 40% w/w Hydrogen peroxide (H2O2) in test waters between 2.5–10 pH range of chloroform, bromodichloromethane, dibromochloromethane and bromoform at 50–200 μg L−1 initial concentration. 92–100% removal of chloroform, bromodichloromethane, dibromochloromethane and bromoform were found with 0.1% of H2O2 and 90 min of UV exposure.

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Authors and Affiliations

  1. Geo-Environment Management Division, National Environmental Engineering Research Institute, Nehru Marg, Nagpur, India

    Anjana Rudra, Neeta P. Thacker & Sunil P. Pande

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  1. Anjana Rudra
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  2. Neeta P. Thacker
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  3. Sunil P. Pande
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Correspondence to Neeta P. Thacker.

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Rudra, A., Thacker, N.P. & Pande, S.P. Hydrogen Peroxide and Ultraviolet Irradiations in Water Treatment. Environ Monit Assess 109, 189–197 (2005). https://doi.org/10.1007/s10661-005-6372-0

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  • DOI: https://doi.org/10.1007/s10661-005-6372-0

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