Seawater Desalination With Reverse Osmosis

Desalination technology has brought fresh water and hence industrial and commercial development to areas of the world that otherwise might have remained unproductive. Not only has development been enhanced by this technology but, more importantly, the health and welfare of many people have been improved by the supply of sanitary fresh water supplies.

About The Author: 

Jorg Menningmann is president of Waterlink Pure Water Division.

Activation Date: 
March 14, 2001
Issue Reference: 
Legacy
Legacy ID: 
12207

Editorial: Home Buyer Awareness

I have started the new year on the right foot. I bought a house. I have spent many years day dreaming about my first home. The fireplace, staircase, patio, large kitchen, an office and my very own driveway ... which of course I will despise by the end of this harsh Chicago winter.

Deck: 

I have started the new year on the right foot. I bought a house. I have spent many years day dreaming about my first home.

About The Author: 

Wendi Hope King, Editor, www.waterinfocenter.com

Publication Date: 
January 1, 2001
Activation Date: 
January 1, 2001
Legacy
Legacy ID: 
11934

Nanofiltration Membranes

Nanofiltration is a liquid separation membrane technology positioned between reverse osmosis (RO) and ultrafiltration.

Deck: 

Water Needs, Unique Research Arrangement Lead to Membrane Development

About The Author: 

Harold Nicoll is senior marketing communications manager for The Dow Chemical Co.

Activation Date: 
January 1, 2001
Files: 
Legacy
Legacy ID: 
11938

In-Home Systems: Utilizing RO and NF Elements

Innovations in membrane technology, which has been used in major industries and hospitals, are driving the industry into the home.

Activation Date: 
December 28, 2000
Issue Reference: 
Legacy
Legacy ID: 
11862

Membrane Filtration As an Alternative: Part 2

Part one of this article appeared in the July issue and discussed microfiltration and utrafiltration. This article discusses nanofiltration and reverse osmosis.

About The Author: 

Dr. Mohamed Lahlou is the technical assistance specialist for the National Drinking Water Clearinghouse. This article originally appeared as a tech brief for the NDWC.

Activation Date: 
December 28, 2000
Legacy
Legacy ID: 
11813

Membrane Filtration as an Alternative: Part 1

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.

About The Author: 

Dr. Mohamed Lahlou is the technical assistance specialist for the National Drinking Water Clearinghouse. This article originally appeared as a tech brief for the NDWC.

Activation Date: 
December 28, 2000
Legacy
Legacy ID: 
11775

The Challenge of Membrane Maintenance

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.

About The Author: 

Peter Cartwright is the owner of Cartwright Consulting Co., an engineering firm specializing in water and wastewater treatment technologies. He also is a partner in Cartwright, Olsen & Associates, a firm that provides consulting services to the Environmental Protection Agency and other agencies relating to drinking water treatment technologies. Cartwright has presented more than 100 papers, lectures worldwide and has written numerous articles and book chapters. He is the author of two patents and he wrote "Water Purification" in the May 1999, "Practical Guide to Water Treatment" issue of Ashrae Journal

Activation Date: 
December 28, 2000
Legacy
Legacy ID: 
11567

Desalination of Seawater and Brackish Water

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.

About The Author: 

Wil Pergande is vice president of special projects for Osmonics, Inc., a manufacturer and worldwide marketer of high-technology water purification and fluid filtration, separation and handling equipment. He offers more than 30 years experience in management, sales and marketing in the water treatment industry. He may be reached at 612-933-2277.

Barry Abolmaali is the manager of applications engineering and customer service at Osmonics, Inc., Vista Operations. He has utilized his chemical engineering degree at Osmonics for eight years. He may be reached at 760-598-1800.

Activation Date: 
December 28, 2000
Issue Reference: 
Legacy
Legacy ID: 
11516

Ultraviolet Technology: The Non-Chemical Alternative for Well Water Disinfection

As consumer awareness grows in regard to the quality of water consumed every day from the numerous well water systems across America, the process that is gaining the most attention is that of disinfection.

About The Author: 

Scott Russell is the residential products manager at Ideal Horizons. He has more than six years experience in residential UV applications with a strong technical background in both electrical and mechanical issues. Russell can be reached at Ideal Horizons, 212 Ideal Way Poultney, VT 05764; 802-287-4485; fax 802-287-4486; www.idealhorizons.com.

Activation Date: 
December 28, 2000
Issue Reference: 
Legacy
Legacy ID: 
11490

Justifying the Value of an RO

There are solutions that work when a customer says "no" such as justifying the value and showing the customer he’ll be dollars ahead. What follows is a list of questions for the customer and then various scenerios that will refer you back to them.

Activation Date: 
December 28, 2000
Issue Reference: 
Legacy
Legacy ID: 
11478