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  • Removal of nitrate, ammonia and phosphate from aqueous solutions in packed bed filter using biochar augmented sand media

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    Author(s)
    El Hanandeh, A
    Bhuvaneswaran, A
    De Rozari, P
    Griffith University Author(s)
    El Hanandeh, Ali
    de Rozari, Philiphi
    Bhuvaneswaran, Aswin
    Year published
    2017
    Metadata
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    Abstract
    Nutrients from wastewater are a major source of pollution because they can cause significant impact on the ecosystem. Accordingly, it is important that the nutrient concen trations are kept to admissible levels to the receiving environment. Often regulatory limits are set on the maximum allowable concentrations in the effluent. Therefore, wastewater must be treated to meet safe levels of discharge. In this study, laboratory investigation of the efficiency of packed bed filters to remove nitrate, ammonium and phosphate from aqueous solutions were conducted. ...
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    Nutrients from wastewater are a major source of pollution because they can cause significant impact on the ecosystem. Accordingly, it is important that the nutrient concen trations are kept to admissible levels to the receiving environment. Often regulatory limits are set on the maximum allowable concentrations in the effluent. Therefore, wastewater must be treated to meet safe levels of discharge. In this study, laboratory investigation of the efficiency of packed bed filters to remove nitrate, ammonium and phosphate from aqueous solutions were conducted. Sand and sand augmented with hydrochloric acid treated biochar (SBC) were used as packing media. Synthetic wastewater solution was prepared with PO 4 3- , NO 3 - , NH 4 + concentrations 20, 10, 50 mg/L, respectively. Each experiment ran for a period of five days; samples from the effluent were collected on alternate days. All experiments were duplicated. Over the experiment period, the average removal efficiency of PO 4 3- , NO 3 - , NH 4 + were 99.2%, 72.9%, 96.7% in the sand packed columns and 99.2%, 82.3%, 97.4% in the SBC packed columns, respectively. Although, the presence of biochar in the packing media had little effect on phosphate and ammonium removal, it significantly improved nitrate removal
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    Journal Title
    MATEC Web of Conferences
    Volume
    120
    DOI
    https://doi.org/10.1051/matecconf/201712005004
    Copyright Statement
    © The Authors, published by EDP Sciences. This is an open access article distributed under the terms of the Creative Commons Attribution License 4.0 (http://creativecommons.org/licenses/by/4.0/).
    Subject
    Wastewater Treatment Processes
    Publication URI
    http://hdl.handle.net/10072/354161
    Collection
    • Journal articles

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