carbon neutral Articles

  • Characterization of dissolved organic matter in the secondary effluent of pulp and paper mill wastewater before and after coagulation treatment

    Meeting the regulatory discharge standards for pulp and paper mill wastewater has become ever more difficult because of its recalcitrant and colored dissolved organic matter (DOM). In this study, the variation of DOM from the secondary effluent of pulp and paper mill wastewater before and after coagulation was investigated based on hydrophobicity/hydrophilicity, apparent molecular weight (MW) ...


    By IWA Publishing

  • Trihalomethane formation potential of DOC fractions isolated from two Canadian Prairie surface water sources

    This study evaluated the dissolved organic carbon (DOC) composition of two surface waters in Manitoba, Canada, the Red and Assiniboine Rivers, to identify DOC fractions with the greatest potential to form trihalomethanes (THMs). The DOC was fractionated into six fractions based on hydrophobicity and acid base functionality: hydrophobic acid (HPOA), hydrophobic base (HPOB), hydrophobic neutral ...


    By IWA Publishing

  • Reduction of chlorinous odor by the combination of oxidation and ion-exchange treatments

    To better control chlorinous odor in tap water, we assessed the performance of the combination of oxidation (ozonation or advanced oxidation processes, AOP) and ion-exchange treatment. In this process, the hydrophilic neutral fraction (a major dissolved organic matter (DOM) fraction) is converted to ionic species, and these ions and ammonium ion are effectively removed during ion-exchange ...


    By IWA Publishing

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