Maintenance History of Four Steel Water Tanks

A survey looked the maintenance painting costs for four large-capacity steel water tanksDetermining real maintenance costs associated with protecting large-capacity steel water tanks from corrosion has been a topic of discussion for years among specifiers, manufacturers, contractors and owners of water storage systems.

Deck: 

Water storage

About The Author: 

Walter Neumann Jr. is president of Neumann Company Contractors, Inc., an industrial painting firm based in Romeoville, Illinois. Wade D. Newman is executive director of the Steel Plate Fabricators Association, Des Plaines, Illinois.

Publication Date: 
December 28, 2000
Activation Date: 
December 28, 2000
Legacy
Legacy ID: 
10216

Automated High Rate Filters Improve Performance, Reduce Costs

A Philadelphia water company improved the performance of and reduced the operating costs of its filtration system with modernized high-rate gravity filters.

Deck: 

Filtration Systems

About The Author: 

Morrison Coulter is vice president of production for the Philadelphia Suburban Water Company.

Activation Date: 
December 28, 2000
Legacy
Legacy ID: 
10206

Membrane Specialists Gather for International Conference

The latest on membrane technology for water treatment.Membrane system technology has been developed to a point where one or more of its forms can be applied to extract most of the contaminants of concern found in many raw water sources. Recognizing the importance of the latest findings to the drinking water supply community, the International Water Supply Association recently conducted a conference on the subject in Paris, France.

Deck: 

Membrane technology

About The Author: 

Ian Lisk is editorial director of Water Engineering & Management and Water & Wastes Digest.

Publication Date: 
December 28, 2000
Activation Date: 
December 28, 2000
Legacy
Legacy ID: 
10210

The Biological Activated Carbon Process for Water Purification

The biologically enhanced carbon process is an option for many water utilities.

Deck: 

Water Treatment

About The Author: 

Bertrand W. Dussert is a technology specialist with Calgon Carbon Corporation. Gary R. Van Stone is business director with the same company, which is located in Pittsburgh, Pennsylvania.

Activation Date: 
December 28, 2000
Legacy
Legacy ID: 
10180

Aquifer Recharge Enhanced with Ruber Dam Installations

Artificial water recharging satisfies insufficient water supply.

Deck: 

Groundwater Recharge

Activation Date: 
December 28, 2000
Legacy
Legacy ID: 
10189

DAF & Ozone Eliminate Quality Woes, Meet New Regs

When a town meeting in New Castle, New York, prompted local government officials to take citizen complaints about water quality seriously, they initiated a lengthy multi-step project to fix the problems. They could not have known then, in the early '80s, that their decision to proceed was timely. The water system improvement program they embarked upon anticipated some of the key regulatory requirements put in place years later, and solved problems of quality and quantity that arose as a result of the growth and development of the town and its surroundings.

Deck: 

A New York State town developed a water treatment plant which uses dissolved air flotation and ozone disinfection to ensure meeting anticipated tighter regulations

About The Author: 

Ian Lisk is editorial director of Water Engineering & Management and Water & Wastes Digest magazines. The bulk of the material used to prepare this article was provided by Gerard Moerschell, commissioner of public works for New Castle, New York, and David Nickols, senior associate with Hazen and Sawyer, Environmental Engineers & Scientists, New York, New York.

Publication Date: 
December 28, 2000
Activation Date: 
December 28, 2000
Legacy
Legacy ID: 
10172

Application Possibilities Grow for Plastic Pumps

No matter what design solutions engineers and construction contractors devise to contend with the growing number of water and air pollution regulations, they can't do very much without pumps. Gravity sometimes may play a role in water and wastewater systems, but pumps are without a doubt the prime movers in the business of fluid handling.

Deck: 

A review of the role of plastic pumps in water pollution control systems

About The Author: 

Ken Comerford is general manager with Vanton Pump & Equipment Corporation, Hillside, New Jersey. His article was adapted from a presentation he gave at the Ô93 Chem Show in New York last December.

Publication Date: 
December 28, 2000
Activation Date: 
December 28, 2000
Legacy
Legacy ID: 
10153