Manufacturing With Membranes

The removal of impurities and contamination from water supplies or industrial chemicals is a process existing all over the world to varying degrees of sophistication. Filtration systems vary enormously according to location, the type of purification required and funding available.

Deck: 

An overview of various filtration methods and their applications

About The Author: 

This article was written by Steve Morris, business development manager with PCI Membrane Systems, a Thames Water Products Limited business, based in the United Kingdom. He may reached at +44 1256 896966.

Publication Date: 
December 28, 2000
Activation Date: 
December 28, 2000
Legacy
Legacy ID: 
11307

Membrane Filtration for Water and Wastewater

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.

Activation Date: 
December 28, 2000
Issue Reference: 
Legacy
Legacy ID: 
11283

Traveling Bridge Filter Problems Eliminated

Bethel Park, Pennsylvania installed two 4MGD traveling bridge filters in 1980. According to Joe Witkowski, who manages the facility, "We had serious media leakage with our old filters. We had continuous backwashing and mechanical problems - they just couldn't handle high flows. Plus, they had serious media leakage problems."

Deck: 

Problem Solvers

About The Author: 

USFilter-Davco Products, Thomasville, GA; Phone 800-841-1550; www.usfilter.com

Activation Date: 
December 28, 2000
Legacy
Legacy ID: 
11301

Underdrain Plate for Potable Water Filtering Provides for Retention of Media

Tetra Technologies, Inc., has developed an underdrain plate called Savage Plate for water filtering applications. It offers retention of finer filtering media while expanding filtration performance and increasing filtration efficacy.


The Savage Plate consists of three layers of black, ultraviolet-resistant, porous high-density polyethylene (HDPE) resin.

Deck: 

Products at Work

Activation Date: 
December 28, 2000
Legacy
Legacy ID: 
11221

Purification Facilities Will Protect City's Water Supply

New water purification facilities constructed by J.S. Alberici Construction Co., Inc., in Milwaukee, Wisconsin, will ensure the safety of the city's water supply.

Deck: 

Products at Work

Activation Date: 
December 28, 2000
Legacy
Legacy ID: 
11176

Alternative Technology Filtration Plant Based on California Department Regulations

Faced with exorbitant costs for conventional filtration treatment, one California city tried an alternative technology.

About The Author: 

David Pafundi is a water quality technician at the Yucaipa Valley Water District's Oak Glen Filtration Plant, Yucaipa, California.

Paul Berry is the technical services manager for Environmental Products Division, Hoffinger Industries, Inc., Rancho Cucamonga, California.

Activation Date: 
December 28, 2000
Legacy
Legacy ID: 
11178

Large Anthracite Media Does the Job

Tertiary Filtration Piloting conducted at two different WWTPs demonstrate improved performance of large anthracite media compared to dual and single sand media filtration.

Deck: 

Editorial Empahasis

About The Author: 

Bill Scully is the marketing manager for the United States Filter Corporation's General Filter and Microfloc Products. For further information, call 508-347-7344; visit their website at http://usfilter.com

Activation Date: 
December 28, 2000
Legacy
Legacy ID: 
11156

Membrane Technology Offers High Quality Water at Low Cost for Ontario Municipality

Two factors have significantly changed the course of the Township of Ernestown's, located in eastern Ontario, search for a cost-effective approach to upgrading its Amherst (population 6,100) water system.

Deck: 

Products at Work

Activation Date: 
December 28, 2000
Legacy
Legacy ID: 
11132

Activated Carbon Regeneration, Part 2

Conclusion of Activated Carbon Regeneration

About The Author: 

Henry G. Nowicki, Ph.D./MBA, is president of Pittsburgh Activated Carbon Services, Inc. (PACS), 409 Meade Drive, Coraopolis, PA 15108. Dr. Nowicki can be reached by phone at (412)457-6576 or fax (412)457-1214. E-mail at HNpacs@aol.com, or http://members.aol.com/hnpacs/pacs.htm

Activation Date: 
December 28, 2000
Issue Reference: 
Legacy
Legacy ID: 
11071

Advanced Water Treatment Technologies May Bring Repurified Water to San Diego

"In four years, half of San Diego may be filling its glasses with tap water that once ran through its toilets."

About The Author: 

This article was written by Inge Bisconer of Osmonics Desal, Vista, California. Osmonics Desal is a leading manufacturer of spiral wound reverse osmosis, nanofiltration, ultrafiltration and microfiltration membranes for the residential, commercial, institutional and industrial marketplaces.

Activation Date: 
December 28, 2000
Legacy
Legacy ID: 
11044