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Public concern about Cr(VI) in drinking water supplies and potential adverse health effects prompted the City of Glendale and its partners to initiate a four-phase program identifying and implementing cost-effective Cr(VI) treatment. Three effective technologies were identified from initial testing: WBA resin, regenerable SBA resin, and RCF. WBA resin was distinctive in its high Cr(VI) capacity and simplicity but was a new technology. Thus, further study was needed. The key objectives of this project included (1) conducting treatment studies to confirm the efficiencies of weak-base anion (WBA) exchange resins for hexavalent chromium [Cr(VI)] removal from groundwater; (2) characterizing WBA resin residuals to elucidate Cr(VI) removal mechanism(s); (3) investigating residuals handling and disposal options, (4) refining cost estimates of effective Cr(VI) treatment technologies, including WBA, strong-base anion (SBA) exchange resin, and reduction/coagulation/filtration (RCF); and (5) convening an expert panel to recommend treatment technologies for demonstration-scale testing. This research project tested and identified an innovative technology for Cr(VI) removal from drinking water sources. Prior to this study, no treatment technology was proven to achieve removal to low parts-per-billion levels. The research results will benefit the water industry by providing information on effective Cr(VI) treatment technologies, updated costs estimates, and treatment operational conditions. In addition, cost information developed in this study will be of use in regulatory establishment of a Cr(VI)-specific maximum contaminant level (MCL), such as that mandated by the State of California.

A genuinely funny and original novel about mental illness, growing up and parental breakdown from much-loved comedienne Jo Brand. Alice is five, and convinced she needs five personalities to cope. Her family, tucked in a cottage in deepest Herefordshire, are a bit weird. Her mother Gina is obsessed with the weatherman on the local news and when she climbs naked onto the roof with Alice's pet guinea pig in her arms, she is whisked off to the local psychiatric hospital. Keith, Alice's father, tries to keep calm, but his patience is severely tested by his in-laws. The only thing that gives Alice's hope is her love for Morrissey of The Smiths... * A devilish invading armada is bent Hexavalent Chromium Removal Using Anion Exchange and Reduction With Coagulation and Filtration ebook pdf on subjugating the islands of the Shackles, culminating in an epic battle at the edge of the Eye of Abendego using whatever forces you can muster. If you manage to defend your home against betrayal, danger, and the Empire of Cheliax, then you can assume your place at the head of the Pirate Council and take the mantle of the Hurricane King for your own! * Designed for use with the Pathfinder Adventure Card Game: Skull & Shackles Base Set, From Hell's Heart Adventure Deck is a 110-card expansion for the Pathfinder Adventure Card Game featuring fantastic loot, plunder, ships, villains, and five new scenarios that make up the complete From Hell's Heart adventure. * Price Includes VAT.

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Author: Michael J. McGuire,N. Blute,G. Qin,P. Kavounas,D. Froelich,L. Fong
Number of Pages: 136 pages
Published Date: 30 Nov 2009
Publisher: Iwa Publishing
Publication Country: London, United Kingdom
Language: English
ISBN: 9781843396208
Download Link: Click Here
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