Taking ‘Green’ Claims to Task
Water Quality Products
February 2010
Compiled by Clare Pierson
As more companies tout “green” and eco-friendly products, Dennis Roberts of Filtrex Technologies, along with other industry insiders in the Water Quality Assn. (WQA) task force, take on the complicated challenge of creating green product standards.
PDF Version
Higher Carbon Prices Darken the Horizon
Water Quality Products
January 2007
Various
Water Quality Products invited Derek Rowley, product manager for Pentair Filtration, to comment on the carbon anti-dumping issue as it relates to Pentair Water and the water treatment industry as a whole.
WQA Mid-Year Leadership Conference Update
Water Quality Products
November 2006
Water Quality Products invited Joseph F. Harrison, P.E., CWS-VI, technical director of the WQA, to give an overview of the issues discussed at the association’s Mid-Year Leadership Conference held Sept. 6 to 8, 2006, in Park City, Utah.
Activated Carbon
Water Quality Products
July 2005
Rick Ciminello
Activated carbon is an excellent adsorbent due to its large surface area and the fact that the diverse surfaces can take on many different types of contaminants.
Fosshield
Water Quality Products
March 2005
By Konstantin Goranov
Besides numerous applications for Fosshield products in air filters, apparel and home furniture, this technology is particularly effective in water filtration.
PDF Version
Activated Carbon for Bromate Reduction
Water Quality Products
November 2003
Kimberly D. Thompson and Neal E. Megonnell
Various authors have studied the use of activated carbon and for the most part have concluded activated carbon is not a cost-effective solution. However, these authors have failed to realize the limitations of carbon validation methods or the fact that not all carbons are alike, especially when chemical reactions control the process.
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.
PDF Version
Evaluating Activated Carbons
Water Quality Products
June 2002
Henry Nowicki, Ph.D., Mick Greenbank, Ph.D. and Homer Yute, M.S., PACS
New
challenges are emerging in the industry that require new methods and product
developments. This article discusses additional test methods for the AC
industry.
PDF Version
Innovations in the Activated Carbon Industry
Water Quality Products
February 2002
Henry Nowicki, Barbara Sherman and Homer Yute
Like an international cookbook, the attendees of the Ninth Annual International Activated Carbon Conference (IACC) from around the world contributed to a recipe for a successful future for the activated carbon industry. Speakers brought their new ideas and on-going practices together. This annual conference had guests from all over the United States, Canada, Australia, Sri Lanka, Indonesia, Mexico, South Africa and India. The conference connects buyers, sellers and users of activated carbon and related materials and services.
PDF Version
MTBE
Water Quality Products
May 2001
Andrew McClure and Neal Megonnell, Calgon Carbon
With outbreaks such as the one in Santa Monica, Calif., the problem of MTBE has not gone unrecognized. Legislation and technologies are being developed to eliminate the spread of this possible carcinogen.
Liquid Regeneration of Spent Activated Carbons
Water Quality Products
March 2000
Henry G. Nowicki
New liquid phase-based processes to regenerate spent AC have been conducted. Two liquid processes, competitive adsorbate displacement and supercritical fluid (SCF) regeneration, will be discussed.
Exploring the Multifunctional Nature of Activated Carbon Filtration
Water Quality Products
January 2000
Francis J. DeSilva
Granular activated carbon (GAC) is commonly used for removing organic constituents and residual disinfectants in water supplies. Activated carbon is a favored water treatment technique because of its multifunctional nature and the fact that it adds nothing detrimental to the treated water.
PDF Version
| 
RSS: WQP Articles
