Adding a Slice of Treatment
Water & Wastes Digest
July 2008
By Kirk Oleson, Kyle Booth & Mark Fosshage
A California cheese production company reduces loads to its city wastewater plant
PDF Version
A Heavy Metal Solution
Water & Wastes Digest
July 2008
By Brad Marchant
Homegrown wastewater treatment technology puts China’s leading copper mine ahead of the game
PDF Version
Opting for Ozone
Water & Wastes Digest
May 2008
By Clifford Seth Lebowitz
A Kansas city addresses taste and odor problems with a primary disinfection ozone system
PDF Version
Finding the Right Elbow
Water & Wastes Digest
March 2008
By David Hunter
Elbow failure created a hazardous slip-and-fall situation and put sensitive controls at risk
PDF Version
Recovering Revenue
Water & Wastes Digest
March 2008
By Shon Anderson
Automated water meters improve reading accuracy and recover town’s lost revenue
PDF Version
Saving Money Under the Sun
Water & Wastes Digest
January 2008
By Bob Nobile
Three applications demonstrate how solar-powered circulators produce cost savings, odor control and energy efficiency
PDF Version
Keep the Pumps Pumping
Water & Wastes Digest
October 2007
By Ralph Royall
A wireless, Web-based alarm system expands pump capabilities and reduces operating costs in Midlothian, Texas
Going Multi-Barrier
Water & Wastes Digest
October 2007
By Daniel L. Willers, P.E.
Combining two-stage clarification, media filtration and UV disinfection to improve treatment plant performance
The Basics of Line Stopping
Water & Wastes Digest
October 2007
Brett Hanes
This method provided an alternative to shutting down a city’s water supply
Recycling & Reusing
Water & Wastes Digest
September 2007
By Paul Schuler
The U.S. Army and Aqua Engineers team up to establish an award-winning wastewater reuse system on a Hawaiian Army base
PDF Version
Cable Spool Provides Ideal Solution
Water & Wastes Digest
February 2006
By Neal Linnihan
Minnesota’s Eagles Point Wastewater Treatment Plant eliminates safety hazard by incorporating cable spool
Phoenix Rising
Water & Wastes Digest
January 2006
By John Quarendon
Arizona’s Lake Pleasant Water Treatment Plant, the largest DBO water project in North America expected to come online full-time in fall of 2006
Old Problem, New Solution
Water & Wastes Digest
January 2006
By Steve Gibbs
Trenches water line construction helps Canadian company avoid costly disruptions
Blown Out of the Wastewater
Water & Wastes Digest
September 2005
By Jon Zabrocki, P.E. and Paul Larson, P.E.
By precisely controlling pressure in the air header and modulating airflow to each aeration zone to maintain set point DO levels, the energy usage is minimized through efficient operation.
Time Saved Testing Pays Off
Water & Wastes Digest
May 2005
By Adam Potter
Many wastewater plants are switching from fecal coliforms to monitoring for E. coli and Enterococcus, because the EPA has identified these bacteria as the best indicators of fecal contamination in water.
Solving a Bacteria Mystery
Water & Wastes Digest
November 2004
The city enlisted the Hampton Roads Sanitation District (HRSD) and Virginia Tech to investigate the source of the enterococci contamination. Enterococci exist in fecal matter and pose risk to human health.
After All These Years
Water & Wastes Digest
October 2004
By Ron Singleton
The Water District researched the many choices of filtration technologies available and eventually sent requests for proposals to six different manufacturers.
Providing a One-Two Punch
Water & Wastes Digest
September 2004
Lianna Mah
The Oakville plant treats 109 million liters per day of water from Lake Ontario.
The Simple Life
Water & Wastes Digest
September 2004
By Ben Beaudoin
A PDA is able to download data from the datalogging equipment, therefore maintenance personnel can analyze the information and correct problems on site.
Magmeters Keep Wastewater Flowing
Water & Wastes Digest
September 2004
By Liesel Oliveira
As part of the refurbishment, it was deemed necessary to replace the electromagnetic flowmeters that measure the flow of waste throughout the facility.
Maximum Capacity Expected
Water & Wastes Digest
September 2004
By Christopher L. Komline
As a part of the expansion, a better method of sludge disposal was needed or the 20 acre lagoon would soon be full.
In the Wake of the Flood
Water & Wastes Digest
August 2004
By Ralph J. Davila
Cuyahoga Falls, a city of 50,000 and one of the most severely impacted areas in northeast Ohio, was declared a federal disaster zone…
NYC-DEP Wastewater Treatment Plants Eliminate Excess Waste
Water & Wastes Digest
April 2004
By Jeremy Smith
NYC’s plants treat about 1.4 billion gallons of wastewater from homes, businesses, schools and streets in the five boroughs every day, with water running through hundreds of pump stations and miles of sewers.
An Alarming Situation
Water & Wastes Digest
March 2004
The PTMA realized that they needed to put the appropriate tools into place to assess the filter plant and prevent problems or possible violations before they occur, as well as help bring the facility up to date.
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.
PDF Version
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.
PDF Version
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).
PDF Version
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.
PDF Version
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.
PDF Version
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.
PDF Version
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.
PDF Version
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.
PDF Version
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.
PDF Version
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.
PDF Version
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.
PDF Version
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.
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.
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.
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.
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.
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