New Directions in the Activated Carbon Industry   Water Quality Products December 2002   Henry Nowicki, Ph.D., Mick Greenbank, Ph.D., and Barbara Sherman, PACS, Inc.
In the last two decades, the price of activated carbon (AC) has fallen 75 percent. Many lower cost varieties have sufficient quality to be useful in many applications. The price reduction, along with maintaining reasonable quality, has created changes in the industry. This article describes how those potentially influence the direction of the industry.
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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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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.
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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.
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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.
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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.

8th Annual Activated Carbon Conference Show Review   Water Quality Products January 2001   Barbara J. Sherman and Henry G. Nowicki
The 8th Annual International Activated Carbon Conference (IACC-8) and optional training courses took place on Sept. 18—23. This article provides a brief review of some of the activities and summaries of the speakers’ topics.
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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.

Renewing the Value of a Leader   Water Quality Products February 2000   Wendi Hope King
Q&A. Following troubled times, Jim Cederna was called upon to help transform Calgon Carbon into the prosperous venture that it once was.

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.
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Activated Carbon Regeneration, Part 2   Water Quality Products April 1998   Henry G. Nowicki, Ph.D.
Conclusion of Activated Carbon Regeneration

Activated Carbon Regeneration, Part 1   Water Quality Products March 1998   Henry G. Nowicki, Ph.D.
All AC applications end up with exhausted (spent) AC. This article will run in two parts and will touch on some considerations of generating spent AC and its regeneration

Activated Carbon Basics   Water Quality Products June 1996   Elwood V. Rhinehart
A brief summary of the sources of carbons, the activation process, the principle of adsorption, and the range of current applications
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