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EDITORIAL CATEGORY - PROBLEM SOLVER
Filter Provides Legionella Barrier for Hospitals   Water Quality Products November 2003
Point-of-use units are increasingly gaining acceptance in such applications as hospitals and nursing homes. This technology allows these facilities to produce high-quality water as needed at a lower cost.
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Farm Animals Need Clean Water, Too   Water Quality Products July 2003
In 2001, the Minnesota State Fair built the Miracle of Birth Center to reflect modern animal production practices in the existing Children's Barnyard at the fairgrounds. Dechlorinated water was one very important step that could be made to keep the animals comfortable and healthy at the fair.
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Customer Success Stories Make Companies Shine by Illuminating Business Strengths   Water Quality Products July 2003   Walt Denny
Many companies overlook the fact that they are sitting atop an untapped PR gold mine--their own customer base. Through the use of customer success stories many companies can highlight their business strengths and open the lines of communication with their sales reps and customers.
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Bacterial Control with Ozone   Water Quality Products July 2003   W. Craig Meyer and Partev B. Sarkissian, Pierce College
In the April 2001 issue of Water Quality Products,associates of TCET presented a new method using ozone to treat cooling tower water. Cooling Treatment Systems, Inc. (CTS) of Englewood, Colo., has adapted this method to produce a water treatment system it now is marketing for cooling towers. CTS submitted this new technology to TCET for testing. The results of these tests are presented here.
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Ozone Treatment for Residential Well Water   Water Quality Products June 2003   Myrle Melligan, Triple O Systems, Inc.
Your customers not only are expecting to have enough water supplied from their water source, but they also demand that it is of superior quality. Ozone's technology coupled with such treatment as filters or softeners can fulfill this expectation. Ozone does not need to be complicated in order to treat small water systems.
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Intermittent Seal Leak in LPG Pump   Pump Source April 2003   Sourav Kumar Chatterjee
The following case study describes a reliability problem with a Liquified Petroleum Gas (LPG) handling pump in a field and the way it was troubleshooted and fixed.
ETV Testing Verifies Membrane Filtration Plant Treats Surface Water, Meets D/DBP Rule   Water Quality Products December 2002   PCI Membrane Systems, Inc.
A study published as part of the EPA's Environmental Technology Verification (ETV) Program verifies the performance of a Fyne Process membrane filtration plant tested on high organic-laden surface water in Barrow, Ark. The plant was able to remove significant levels of organics--precursors to disinfection byproducts such as trihalomethanes (THM) and haloacetic acids (HAA)--producing water that easily met the disinfection byproduct standards set by the EPA's stringent Stage 1 D/DBP Rule.
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Putting an End to Hard Water Problems   Water Quality Products September 2002   Rainsoft
Glade Valley Nursing and Rehabilitation Center, Marriott Hotels, Starbucks and The White House may be vastly different with regard to the people who use and manage the facilities; yet when it was time to solve water quality problems, they all looked to the same resource: Kevin Britton, a RainSoft dealer at Quality Water of Maryland, located in Frederick, Md. (part of the Washington D.C. metro area).
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Ultraviolet Dechlorination Technology   Water Quality Products July 2002   Aquionics
At the Procter & Gamble manufacturing plant in Greensboro, N.C., an Aquionics ultraviolet (UV) dechlorination unit was installed before two banks of reverse osmosis (RO) membranes. Trials that ran soon after the UV system’s installation showed a dramatic reduction in the RO membrane wash frequency—down from an average of eight cleanings per month to only two per month.
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The Great Activated Carbon Dilemma   Water Quality Products July 2002   Neal Megonnell, Calgon Carbon Corp
Drinking water treatment professionals have long held fast to the belief that granular activated carbon (GAC) based on bituminous coal provides the best performance for their demanding application. That’s why, when an article in 1999 cited evidence that a lignite-based GAC outperformed a bituminous-based carbon, industry experts were surprised and more than a bit skeptical.
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Sulphur Water Solution   Water Quality Products June 2002   Goulds Pumps
For more than 220 years people have journeyed to White Sulphur Springs, W. Va., to indulge themselves in baths of mineral water flowing from mountain springs. As inviting as the sulphur water may be, it is equally harsh on the pipes and pumps that transport it. Eight years ago Greenbrier decided to stop the corrosion once and for all by installing an all-stainless model manufactured by Goulds Pumps.
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Softeners Treat Truck Wash Water   Water Quality Products March 2002
When it comes to keeping their big rigs clean and sparkling, most truck drivers are as particular about a good wash as any car owner might be—maybe even more particular considering the dollars some have wrapped up in their 18-wheelers. Owners of large vehicle fleets such as buses and delivery trucks seem to appreciate the value a clean machine has in properly projecting their corporate image. During winter months in many northern states, just cleaning off road salt and sand is imperative to vehicle maintenance.
RO Maintenance   Water Quality Products January 2002   Nevin Rudie
Understanding and reacting to the performance of a reverse osmosis (RO) system is necessary for continued successful operation. It is this interaction that allows us to quickly and correctly identify and correct issues that may arise.
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Slowsand - Nanofiltration in Small Drinking Water Systems   Water Quality Products January 2002   C. Brent Cluff, Ph.D.
The patented combination of slowsand with nanofiltration offers benefits that merit considerable discussion. This combination successfully was piloted by the University of Arizona beginning in 1987.
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Filters Help Preserve Shipwreck   Water Quality Products December 2001
The Belle, a small 17th-Century French frigate, was discovered in July 1995 in Matagorda Bay, Texas, in 12 feet of water. The delicate nature of the waterlogged wood meant it could not be allowed to dry out. The water storing the ship must be free of particulate, algae and bacteria and may contain only chemicals safe for the staff to work in. Water also must be kept particulate-free in order for the conservation solution to work properly.
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Reclaim Greenhouse Water   Water Quality Products October 2001   Jeff Roseman, CWS, Aqua Ion Plus+ Technologies
Reclaiming water in the greenhouse industry will soon be something the government will be mandating the growers in the industry to do, as more wells are becoming contaminated from nitrates and phosphorus levels are becoming a concern for public health.
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Natural Bacteria Treat Pollution at Industrial Sites   Water Engineering & Management October 2001
An environmental consulting firm used bacteria found naturally in soil to treat toxic substances located in contaminated industrial sites.
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Insertable Electromagnetic Flowmeter Solves Difficult Piping Problem   Water & Wastes Digest April 2001
A difficult piping arrangement that included limited distance between the metering site and pipe fittings posed a dilemma for the engineering staff at a city of Frederick, Maryland, raw water pumping station.
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Pumping Up Big John   Water Quality Products April 2001   Metropolitan Industries
The John Hancock building, located on Chicago’s Magnificent Mile, needed to revamp its entire pumping and reservoir system without shutting off water to the building’s residents.
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Pipe Installed Under LAX Runways, Terminals with No Service Disruptions   Water & Wastes Digest March 2001   WWD Staff
The challenge was to rehabilitate a 2.5 mile sewer running under one of the busiest airports in the world without interrupting flight operations or vehicular traffic. The site was Los Angeles International Airport (LAX).
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Carrier Pipe Installed In Minimal Time Using Casing Spacers   Water & Wastes Digest March 2001   WWD Staff
A recent addition to the Medina County Sanitary pipe grid included placing close to 300 feet of cased pipe under a Cleveland suburb. Project managers sought a means to do the job in minimal installation time.
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Municipal Plant Upgrades Wastewater Treatment With New Magnetic Flowmeters   Water & Wastes Digest February 2001
Wisconsin's Madison Metropolitan Sewerage District needed to replace its aging electromagnetic flowmeters at 32 points in its Nine Springs Wastewater Treatment Plant. After carefully weighing its options, the district decided to purchase UniMag magmeters from Isco, Inc.
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Innovative Odor Control -- A Good Neighbor Program   Water & Wastes Digest February 2001
The Water and Wastewater Utility Department of the city of Austin, Texas, manages the operation of a regional sludge processing facility where they faced an odor problem. Working with a consultant, they purchased a fixed bed, iron oxide based odor control system from The SulfaTreat Company.
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The Stormwater Challenge   Water Quality Products February 2001   Greg Gilles, Apyron Technologies, Inc.
Apyron Technologies, Inc., a material synthesis company in Atlanta, and Keystone Environmental, an environmental engineering consulting company in Vancouver, B.C., recently worked together to launch an arsenic remediation project for J.H. Baxter, one of the nation’s leading wood preservation companies.
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Well Water Treatment: Ozone Helps Solve Water Problems at Bassi Ranch   Water Quality Products September 2000   Ted Rich
An analysis of the raw well water (Table 1) shows a pH of 7.9 and 30 color units with >20 mg/L hydrogen sulfide, 5.6 mg/L iron and 0.6 mg/L manganese. Odor was detected at 10 threshold odor number (TON), indicative of the high hydrogen sulfide levels. To meet these water problems head-on, the homeowners formed the Bassi Ranch Mutual Water Co. in 1992.
Winery: Equipment Stays Online With AQA Total   Water Quality Products September 2000   Bill Herrera
Recently, two AQA total 65 gpm Model 14000 DI-Polar water conditioners were installed at the Kendall Jackson winery in Soledad, Calif.
Green Technology:Tackling Industrial Effluent   Water Quality Products March 2000   D.J. Gordon
Osmonics, Inc. and Esmil Process Systems Ltd. developed a zero discharge effluent treatment and water recovery system for the niche timber market.
High Quality Water Comforts Guests   Water Quality Products March 2000
With a 90 percent occupancy rate week after week, Comfort Inn uses a lot of water, and the hardness of the water was costing them money.
Media Filters Reduce Biocide Costs at Dairy   Water Quality Products January 2000
A PEP SMF-FG-24 media filter from Process Efficiency Products, Inc., was installed on the remote sump to reduce biocide costs at the dairy.
California Plant Combines New Treatment Technologies   Water & Wastes Digest November 1999
Industry and irrigation place an extremely high demand on our dwindling water resources. Their demands, however, can be easily satisfied with reclaimed water and a principle source of this water is the effluent from local sewage treatment facilities.
Ozone Generator Improves Cobb Area County Water Quality   Water Quality Products November 1999
The Cobb Area County Water District of Middleton, Calif., achieved a major improvement in the district’s water quality by approximately 40 percent, from one of its major water sources—a well near one of its pumping stations.
High-capacity Dewatering System Reduces Digester Maintenance   Water & Wastes Digest September 1999
Installation of a high-capacity dewatering screen to the activated sludge secondary treatment units for this utility has reduced costly maintenance and lengthened by 50 percent the average time between shutdowns for cleaning the treatment process.
Fiberglass Grating Used in Kansas City Treatment Plant   Water & Wastes Digest August 1999
Over the past decade, the use of fiberglass structural products in the wastewater treatment industry has grown dramatically.
Gas Detectors Help Ensure Worker Safety   Water & Wastes Digest August 1999
In hazardous, confined space situations, the only way to protect employee safety is to use quality gas detection products that provide reliable early warning.
Problem Solver: Reverse Osmosis Removes Hexavalent Chromium from Groundwater   Water Quality Products August 1997
A rural chrome plating facility faced a critical waste removal problem. Over time, a significant quantity of toxic hexavalent chromium had leaked from their facility into the ground and contaminated nearby wells. A government regulatory agency threatened legal action if the facility was not able to reduce the hexavalent chromium concentration in the groundwater by 99.9 percent.
Problem Solver: Advanced Water Recycling with RO Fosters High-Tech Desert   Water Quality Products June 1997
This article describes one of the first facilities in the United States to use reverse osmosis (RO) to reclaim industrial process water, treating it to potable standards and then injecting it into the groundwater.
SCADA Optimizes Plant Performance   Water Engineering & Management February 1997
SCADA gives plant operators the tools they need to develop new process strategies and implement new controls, lowering operating costs while improving effluent quality. Overall, SCADA makes it easier to optimize the plant's performance.
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