Article
The Ultrameter II™ In Municipal Wastewater Treatment
March 9, 2009
•Application Note: The Ultrameter II™ In Municipal Wastewater Treatment
By Myron L Company
Publicly Owned Treatment Works (POTWs) are faced with the challenge of processing the effluent wastes of multiple sources: residential; industrial; and environmental. Under laws governing pretreatment, the ultimate responsibility in determining whether or not industrial effluent meets criteria for treatment belongs to the POTW. Once the POTW has the effluent waste within the confines of its treatment facility, it is accountable to the federal, state, and local regulations governing the quality of the wastewater it discharges into lakes and streams or injects underground. Sampling must be done to ensure the water quality that will ultimately be discharged into the environment meets established guidelines. Monitoring and/or controlling various water quality parameters is also essential to optimizing treatment processes and ensuring their effectiveness. The Myron L Company has designed a highly reliable, accurate, precise handheld instrument that gives you instant measurements of pH, Conductivity, Total Dissolved Solids (TDS), Oxidation Reduction Potential (ORP)/Redox, Resistivity, and Temperature to monitor and control these parameters easily in your treatment facility.
As pH is a primary indicator of water quality, it is a regulated parameter. pH measurement is essential to the control of many of the processes used in wastewater treatment: coagulation; removal of Iron and Manganese or other ions by chemical precipitation; softening; stabilization of the water; and disinfection. Additionally, any wastewater discharged into surrounding lakes and streams must conform to the pH guidelines established to protect the organisms that live in and depend on the water affected by the effluent. It is then necessary and beneficial to check pH at every stage of treatment. As part of pretreatment, a pH meter is used to screen the effluent wastes sent by dedicated pipeline or those that have joined residential wastes in the municipal sewage system. In processes where an optimum pH has been determined to effectively remove harmful constituents or to sanitize the water, a pH meter is used to check the stability of the wastewater throughout the process.
The Ultrameter II gives you an electrometric measurement of pH that conforms to the methods prescribed by Public Code 40 Section 136. It has a minimum two-point, maximum three-point calibration for the most precise results. The Ultrameter II features easy keypad calibration and stores up to 100 date-time stamped readings in memory that you can easily download to your computer using the optional uDock accessory package.
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