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Membranes in Manitowoc
Water & Wastes Digest
May 2007
by Clare Pierson
Manitowoc Public Utilities is one of the few to operate pressurized and submerged membrane filtration side by side
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Follow the footprint
Water & Wastes Digest
November 2005
Michael Norton
Kennewick, Wash., water treatment plant doubles capacity following membrane retrofit
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Wisconsin Shaping Water Treatment
Water & Wastes Digest
May 2005
By Tom Bunker, Mark White and Scott Lenhardt
Racine WTP opted for membranes because of their ability to provide an extra barrier against waterborne pathogens to the 110,000 people served by the plant.
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A Combination Deal
Water & Wastes Digest
October 2004
Fountain Hills combines cloth media filtration and membrane system to get quality effluent
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Answering the Challenge
Water & Wastes Digest
May 2004
By Eugene R. Reahl
San Diego uses EDR technology to produce low salinity irrigation water from reclaimed municipal wastewater
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Old School No Longer
Water & Wastes Digest
October 2003
Thomas C. Schwartz
When the country's oldest private boarding school had to upgrade and modernize its wastewater treatment facility, it employed a new and innovative technology to resolve an administrative consent order (ACO) to bring itself into compliance and avoid the possibility of paying hefty fines.
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Desalination in America
Water Quality Products
November 2002
John B. Tonner, Water Consultants International
On average there are 50 to 75 significant desalination projects per year in the United States with an average capacity of approximately 1 million gallons per day. The majority of these projects utilize membrane processes such as nanofiltration (NF) or reverse osmosis (RO).
PDF Version
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Australian Microfiltration System is World's Largest For Potable Water Treatment
Water & Wastes Digest
November 2002
The AQUA 2000 Project is a build-own-operate-transfer (BOOT)
project, delivered and operated by Vivendi Water Australia. It includes the
construction and operation for 25 years of a water treatment scheme for the
Coliban Water Authority in Victoria, located in southeastern Australia.
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Ultrafiltration Plant Provides Potable Water
Water Quality Products
December 2001
Contributed By PCI-Water
West of Scotland Water (WoSW) awarded a contract, under competitive tender, for its first ultrafiltration plant to PCI-Water. This is the first installation in the United Kingdom using a hydranautics-based UltraBar system.
PDF Version
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Products In Action
Water & Wastes Digest
November 2001
Microfiltration, Nanofiltration Help Meet EPA Standards at Lake
Mead
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Verification Testing: The First Step to Clean Water
Water Engineering & Management
April 2001
Gene C. Koontz, P.E., and Andrea L. Santa
Who is testing manufacturers’ purification systems and equipment? This article describes EPA’s Environmental Technology Verification Program.
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Membrane Filtration As an Alternative: Part 2
Water Engineering & Management
August 2000
Dr. Mohamed Lahlou
Part one of this article appeared in the July issue and discussed microfiltration and utrafiltration. This article discusses nanofiltration and reverse osmosis.
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Membrane Filtration as an Alternative: Part 1
Water Engineering & Management
July 2000
Dr. Mohamed Lahlou
Once considered a viable technology only for desalination, membrane processes are increasingly employed for removal of bacteria and other microorganisms, particulate material and natural organic material that can impart color, tastes and odors to the water.
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The Challenge of Membrane Maintenance
Water Quality Products
February 2000
Peter Cartwright
The membrane processing technologies of microfiltration (MF), ultrafiltration (UF), nanofiltration (NF) and reverse osmosis (RO) are widely used to separate suspended and dissolved materials from water solutions in numerous industrial, medical and drinking water applications.
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Desalination of Seawater and Brackish Water
Water Quality Products
January 2000
Wil Pergande and Barry Abolmaali
The increasingly broad range of requirements for water quality has motivated the water treatment industry to refine existing techniques, combine methods and explore new water purification technologies including desalination.
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Manufacturing with Membranes
Water Quality Products
March 1999
Steve Morris
An overview of various filtration methods and their applications.
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Membrane Filtration for Water and Wastewater
Water Quality Products
February 1999
Membrane filtration, widely used in chemical and biotechnology processes, is already established as a valuable means of filtering and cleaning wastewater and industrial process water.
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Microfiltration: How Does it Compare ?
Water Quality Products
August 1996
Thomas Muilenberg
Increased focus on technologies that meet tighter regulatory requirements and increased public pressure has motivated municipalities to take a serious look at microfiltration (MF) membranes as a viable treatment option. This article is intended to familiarize you with the basics of microfiltration and discuss how it compares to conventional alternatives
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Membrane Applications in Water Plants
Water Engineering & Management
August 1995
Ian Lisk
Faced with upgrading aging facilities, a Florida water utility decided to incorporate reverse osmosis.
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