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Properly treating wastewater so it meets regulatory requirements and can be safely reused or discharged is critical. Disinfection kills or disables pathogens which may be harmful to humans, or the ecosystem, or both. There’s more than one disinfection technology to be considered, making it vital for engineers, project managers and operators to understand the pros and cons of each.
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Water scarcity and source water contamination concerns have increased interest in Direct Potable Reuse (DPR) systems. DPR incorporates 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currently in place, but instead of putting the treated wastewater back into the ground, the water is stored to be withdrawn as needed by the water treatment plant (WTP).
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When considering chemical treatment of water and wastewater, precision, efficiency, and reliability are vital. Several components are required and it’s not uncommon for plant managers to hire engineers to assist in the design of a complete chemical metering system. However, there is another option which can be more efficient and less costly, a prefabricated Skid System.
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Many challenging chemicals are utilized to aid in the remediation of wastewater. These chemicals may be used for the removal of solid particles, for pH adjustment, odor control, disinfection, foam prevention or removal, and sludge removal. Too little chemical can result in ineffective treatment, and too much may worsen deposit problems and cause contamination.
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Turbidity is a measure of how clear water is (or isn’t). It’s a simple and intuitive property of water and one of the few that can be observed without instruments. However, as easy as it may be to observe turbidity, the relationship between turbidity and water quality is not straightforward. This article will clarify the essential aspects of turbidity, and how best to mitigate it.
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