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Recent content by Randolph

  1. Randolph

    Hydrogen sulphide control in sewage collection systems

    I would like to get dosage requirements for the various chemicals used to treat H2S in force mains and trunk sewers. Chemicals of interest are KMnO4, Mg(OH)2, FeCl2, FeCl3, NaNO3, CaNO3, H2O2, ClO2.
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