As power plants across the country plan to close ash ponds, the first discharge limit to consider is pH. National standards require all wastewater discharges to comply with a pH between 6 and 9 ...
The system consists of a dosing instrument (Metrohm Dosimat 876 Plus) to deliver acid, a pH electrode and accompanying amplifier, a multichannel digital volt meter (Agilent 34970A) to measure ...
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