Turbo-Filtration   Water & Wastes Digest July 2008   By Chris Shuster
A custom Type 316 stainless steel manifolding fabricated by Miller-Leaman to accommodate future expansion of the Turbo-Disc Filter system; used for demonstration and water testing purposes.
PDF Version

An Active Solution   Water & Wastes Digest March 2008   By John F. Masters & Jeffrey D. Bergman
Energy savings & harmonic mitigation in the water and wastewater industry
PDF Version

Sun & Sand   Water & Wastes Digest March 2008   By Clare Pierson
Special filters reduce sand ingression that was causing increased labor and maintenance time
PDF Version

Retro Fit a Hit   Water & Wastes Digest October 2007   By Hui Lin, P.E.
The sand filter basins at an Illinois treatment plant gained capacity from a cloth media filter retrofit

Diamond in the Rough   Water & Wastes Digest October 2006   By Keith Dayton
Cloth media filter retrofit solves hydraulic loading problem

Using Technology to Address Odors   Water & Wastes Digest August 2006   By Rick Parker
Biotrickling filter handles tough municipal odor control problems

Sand Plays Prominent Role at Canadian Ski Lodge   Water & Wastes Digest March 2005   By Dennis Hallahan, P.E.
These traditional technologies, often upgraded with new design and technology, provide quality treatment and disposal without the capital cost of sewering and centralized treatment plants.

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.

Ending Odor Complaints   Water & Wastes Digest May 2004
A long-running odor problem was solved by tapping a 30,000-cfm-capacity biofilter array into a 14 mgd average, 55 mgd maximum sewage transfer line. The line discharges into underground junction box, with the odor control system’s main collection duct evacuating box headspace air above ground for humidification and biofiltration before discharge to atmosphere through fan stacks.

Whole House Filtration   Water Quality Products April 2004   Sophie Waghorn
Whole house filtration systems are the end of the line in defense against contaminated water. They are becoming more popular as a non-visible way (compared with end of faucet filters) to ensure safety at point of entry in the house.
PDF Version

Talkin About Regeneration   Water & Wastes Digest October 2003   Tim Gregorski
Studies show that membrane regeneration typically results in a 40% increase in permeate flow, a 38% decrease in differential pressure and a 3% increase in salt rejection. The Bakersfield membrane regeneration facility has the ability to process up to 60 membranes continuously for 24 hours a day, which allows the facility to produce better than average turn-around times.

Arsenic Treatment   Water Quality Products June 2003   Ley Hathcock, Ph.D., Rich Cavagnaro & Greg Gilles
A wide range of technologies, some new and some more traditional, is being marketed and applied for arsenic treatment. Each of these technologies has specific properties impacting its suitability for any particular scale of application. While rare, the ability of a single water treatment technology to perform effectively across many treatment platforms is not unique.
PDF Version

Filtration Fundamentals   Water Quality Products March 2003   Bill Kavey
Over the years, water quality has noticeably deteriorated worldwide. This decline in water quality stems from the extreme demand on very limited natural resources. Various principles of filtration are used in many applications to improve the general quality of the water that is being treated. Along with screen filters, coagulation/filtration, neutralizing filters, oxidizing filters, clairifying filters and carbon filters are other treatment methods that may be used.
PDF Version

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

Products In Action   Water & Wastes Digest November 2001
Microfiltration, Nanofiltration Help Meet EPA Standards at Lake Mead

Process Effectively Strips Hydrogen Sulfide Gas from Wastewater   Water Engineering & Management November 2001
PDF Version

Carbon Block Manufacturing   Water Quality Products June 2001   Michael D, Steinhardt, US Filter
Carbon block is used in a wide variety of applications and performs a wider range of filtration tasks than other products. How carbon block is engineered will determine its use.
PDF Version

Continuous Microfiltration System Ensures Safe Drinking Water For Wisconsin Residents   Water & Wastes Digest May 2001
The Kenosha Water Utility treatment facility, located on the shores of Lake Michigan in Wisconsin, needed to upgrade its two plants to meet the expanding water needs of the community it services. Continuous microfiltration helped meet those needs.
PDF Version

Filter Cartridges   Water Quality Products May 2001   Compiled by Wendi Hope King, WQP Staff
The following is some basic information compiled from industry experts at diverse companies. Additional information is available at the contact information provided.
PDF Version

A Leading Team   Water Quality Products March 2001   Wendi Hope King, WQP Staff
After nine months of silence, the Osmonics team emerges renewed and ready for a future full of success.
PDF Version

Reverse Osmosis Membranes Help Conserve Water At the Sydney 2000 Olympic Games   Water & Wastes Digest March 2001   WWD Staff
During the 2000 Olympic Games, U.S. Filter Australia/Vivendi Water supplied a wastewater reclamation plant that recycled sewage and rainwater runoff at the games site. Part of the purification process involved the use of reverse osmosis (RO) technology.
PDF Version

Water Reuse for Drought-proof Industrial Water Supply in San Diego   Water & Wastes Digest November 2000
A 200,000 gallon per day (gpd) advanced microfiltration system treats secondary wastewater effluent for reuse as process water for Toppan Electronics, Inc. in San Diego, Calif.

Pennsylvania Filtration Plant Helps Meet NPDES Discharge Requirements   Water & Wastes Digest October 2000
In the early 1990s, the Milford-Trumbauersville Area Sewer Authority in Bucks County, Pennsylvania, recognized the need to upgrade the existing sewage treatment plant. This was necessary to increase capacity and to meet future more stringent requirements set by the Pennsylvania Department of Environmental Protection for Unami Creek.

New Equipment Provides Economical Dewatering in Waste Storage Tank   Water & Wastes Digest October 2000
In 1999, the GNI Group was faced with a growing problem at its facility in Corpus Christi, Texas. A 200,000 gallon waste storage tank was beginning to fill with accumulated solids, reducing the working capacity of the tank.

Ceramic Filters: The Fight Against Bacteria, Viruses and Protozoa   Water Quality Products April 2000   David Webb
How can someone protect himself from consuming water contaminated with Cryptosporidium or other microorganisms? One durable and competitively priced option is ceramic filters.

Filter Design Helps Eliminate Fouling   Water Quality Products December 1999   Bill Hall, Sr.
Filtration is an important part of most water treatment systems. Filters range from simple cartridge systems to large commercial/industrial multi-tank systems, not to mention the large municipal systems that filter drinking water.

Innovative Housing Design Allows Three Bags in One Housing   Water Quality Products April 1999   by Edward DePouli
A history of filter housing design and one specific type which allows three bags in one housing.

Media is a Big Thing . . . But Not the Only Thing   Water Quality Products October 1997   George Ricci
Shower filter dechlorination requires its own unique design approach to meet various health requirements.

Filtering Through the Claims of Varying Water Treatment Methods   Water Quality Products April 1997
A thorough discussion of not only water treatment systems, but also the contaminants they remove.
PDF Version