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An urgent call was received from Diana at the Los Angeles County Sanitation District. LACSD’s chemical feed system was failing, and the plant was in immediate danger of falling out of compliance. The Blue-White® Team responded immediately with a solution and worked the weekend to put that solution into action, including all new pumps. The system stayed in compliance, and district’s customers continued receiving safe, clean drinking water without interruption.
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Effective chemical treatment of water and wastewater requires precision, efficiency, and reliability. It’s not uncommon for plant managers to hire engineers to assist in the design of essential chemical metering systems, also known as skid systems. This will require sourcing components from several sources. There is a simpler way. A pre-engineered, prefabricated skid can eliminate the challenges associated with piecemeal assembly and conflicting warranties.
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Water scarcity and source water contamination concerns are fueling ever-increasing interest in the practice of direct potable reuse (DPR) systems. DPR uses many of the same wastewater and drinking water treatment systems currently in place, but instead of putting the treated wastewater back into the ground, the water is stored to be withdrawn as needed by the water treatment plant (WTP). So how does it work?
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Precise chemical metering is key to the success of a broad range of water treatment processes, including disinfection and pH balancing. Even slight variations may have significant consequences. Many of today’s Smart Metering Pumps are easy to use, provided a few simple steps are taken during initial installation and throughout their usage lifetime. Following the article guidelines can assist operators in ensuring the reliability and consistency of their chemical dosing systems.
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Diaphragm pump technology has been in use for decades and these pumps remain a popular choice for chemical metering. Diaphragm pumps are typically simple to use, and most are rated for use with the high-pressures that are common in many applications. Despite advantages, traditional diaphragm pumps can be problematic. Operators often struggle with inconsistent performance, vapor-locking and lost prime. However, recent innovations in diaphragm pump design now mitigate many of these issues.
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Water treatment processes rely on accurate chemical addition to achieve critical outcomes. This can include disinfection, pH control, or the removal of contaminants. Tolerances for these outcomes are tight, and too much deviation can put communities at risk and result in regulatory action. This drives treatment managers to purchase the most accurate chemical metering pumps available, and while accuracy is important, in process control repeatability of the pump crucial.
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