Membrane Technology Forum
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Membrane Technology Forum
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Zach Eastling

Zach Eastling
Global Commercial Engineering Lead, Veolia Water Technologies & Solutions

Zach Eastling is a Global Commercial Engineering Lead for Veolia Water Technologies & Solutions and is responsible for leading pilot testing, developing technical solutions to customer issues, and creating technical content for case studies, product fact sheets, and marketing collateral. Zach has previously held key roles in both membrane manufacturing and product development where he has developed new membrane technologies and element construction for improved ingredient separation. As a technical expert in membrane filtration and separations, Zach works directly with global customers to expand the Filters and Membrane business while proactively identifying new projects and innovative solutions.

 

Studies on an Enrgy-saving Membrane Element: Optum RO

Conventional spiral wound membrane elements used in the dairy industry experience a considerable amount of bypass flow in the space between the element and the housing wall. Since this portion of the feed solution does not contact the membrane surface inside the element, pump energy spent on the bypass flow does not contribute to the overall concentration process. In this presentation, we will focus on several case studies that assess the amount of bypass flow and power consumption required for the Optum RO element compared to caged and other shelled elements when operated at similar pressure drops and recoveries. Results of these studies have allowed for the quantification of bypass flow and power consumption for each element design which, in turn, has allowed the Optum RO element to become the first in its class to receive a custom energy saving incentive from Wisconsin’s Focus on Energy Program.


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