The "decentralised" water system at the Centre for Sustainable Landscapes (CSL) at Phipps Conservatory and Botanical Gardens, which treats all non-potable water on site, contributes to the net-zero building's recognition as one of the greenest buildings in the world.
However, research into the efficacy of these systems versus traditional treatment has been practically non-existent in the literature. Thanks to a collaboration between Phipps and the University of Pittsburgh's Swanson School of Engineering, researchers now have a greater understanding of the life cycle of water reuse systems designed for living buildings, from construction through day-to-day use.
"Evaluating the Life Cycle Environmental Benefits and Trade-Offs of Water Reuse Systems for Net-Zero Buildings," published in the journal Environmental Science and Technology, (DOI: 10.1021/acs.est.6b03879), is the first-of-its-kind research utilizing life-cycle assessment (LCA). Co-authored by Melissa M. Bilec, associate professor of civil and environmental engineering at Pitt and deputy director of the Mascaro Center for Sustainable Innovation (MCSI), collaborators at Phipps included Richard Piacentini, executive director; and Jason Wirick, director of facilities and sustainability management. Pitt PhD graduate student, Vaclav Hasik, and Pitt undergraduate, Naomi Anderson, were first and second authors, respectively.
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