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Environmental Science & Engineering Magazine November-December 2014

Page 31

Company Profile

Mooresville WWTP dryer unit.

North Las Vegas WWTP.

watering efficiency, supernatant recycled back to the wastewater plant for treatment is clear and free from odour. For the Isle La Plume WWTP in LaCrosse, odours were a major problem and organics were the source. By using Huber’s grit washer technology, the cleansing process became easy. It is incorporated into the processing of the flow so that everything remains streamlined and efficient.

uct grit is described now as “sandbox grade.” Washing produces cleaner grit because the odiferous organics are gone. This makes it safe to send to the landfill and has a tremendous impact on plant compliance and public perception. Since putting Huber’s belt dryer in place, the Mooresville plant has eliminated any issues or surcharges with disposing of their sludge. The Class A end product is quite desirable for use and the plant is putting plans in place to begin to package and market it. That will offset even more of its operating costs. Hill Canyon WWTP in California, has boosted its green efforts through us-

End product improvements The financial impact of unsafe, dirty and heavy end products is significant. Isle la Plume WWTP’s end prod-

ing Huber’s screening technology. Contaminants are cleared out at the headworks. This has had a tremendous effect on the entire process, from improved aesthetics, reduced wear and tear on downstream processes and cleaner biosolids for recycling. North Las Vegas was already producing an impressively “clean” permeate. But the Huber fine screens have upped the ante. Public challenges prove that the permeate is an order of magnitude cleaner that what most cities have for drinking water. The permeate is often selected over bottled water. Summary Wastewater treatment plant operating costs, odiferous gases and end products, could be described as the three legs that hold up the stool on which the community relationship sits. Investment in a single technology can impact all three “legs” positively. T.R. Gregg is with Huber Technology. For more information, visit: www.huber-technology.com

High turbidity 0.45 micron FHT-45 – offers the most surface area available in capsule type filters today – unique open pleat geometry and 600 cm2 surface area provide maximum media exposure while ensuring that even with the most turbid samples, you will not lose filtration media to blinding

Medium turbidity 0.45 micron FMT-45 – has all of the great features of the Waterra FHT-45, but with a reduced surface area at 300 cm2 – provide an economical alternative for lower turbidity sampling, when the highest possible capacity is not required

New 0.2 micron CAP300X2 – Waterra now manufactures a new 0.2 micron inline disposable filter, the CAP300X2, which features 300 cm2 of the same high quality PES media as our other filters, providing a fast, efficient and economical option for specialized filtering requirements

DISPOSABLE FILTERS www.waterra.com

(CANADA) Waterra Pumps Limited sales@waterra.com • tel: 905.238.5242 (USA) Waterra USA Inc. waterra@openaccess.org • tel: 360.738.3366

www.esemag.com

November/December 2014 | 31


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