Providing Water Purity

Water purity issues in developing nations and third-world countries populate the news, but pure drinking water can be just as difficult to achieve in developed countries. In the U.S., significant amounts of tap and well water are not fit for drinking due to heavy industrial and environmental pollution that result in water contamination. Even low-level exposure to some contaminants can cause illness, including liver damage, cancer and other serious ailments.

Keeping Treatment on Track


Combination of treatment methods results in purest drinking water

Publication Date: 
September 10, 2012
Activation Date: 
September 10, 2012
Issue Reference: 

Applied Membranes Inc

Industry leader in RO expertise and membrane applications since 1983, Applied Membranes manufactures Membrane Systems, AMI® brand and private-label Membranes ,and Membrane Chemicals. From residential to 1 MGD size and in standard to custom engineered designs, AMI RO, NF, UF, MF and EDI Systems are used in many different applications from Water Reuse, Brackish and Sea Water to Ultrapure Water with thousands of installations world-wide. AMI also designs, sells and leases Pilot Plants for many applications. AMI Membranes have a reputation for quality and are offered in Thin Film RO, CTA/CAB, Ultra-Filtration, Nanofiltration, Microfiltration and Special Application materials. Also a major stocking distributor of FILMTEC® and other membranes as well as components for membrane systems. The founder, Dr. Gil Dhawan, has been in the Membrane Industry since 1973 and is active in all areas of the company. Applied Membranes is an ISO 9001:2008 Certified Company.


2450 Business Park Drive
Vista, CA 92081
Phone: 760-727-3711
Fax: 760-727-4427

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Pure Aqua, Inc.

Pure Aqua is a leading manufacturer of water treatment and reverse osmosis systems. Pure Aqua, activities range from small bracket mounted water treatment systems to hundreds of thousands of gallons per day custom built plants. Products Offered by Pure Aqua, Inc.: Brackish Water Reverse Osmosis, Sea Water Reverse Osmosis, Double Pass RO, Automatic Multi Media Filters, Automatic Carbon Filters, Cartridge Filters, Automatic Water Softeners, Electrodeionization, EDI, Two Column DI or Mixed Bed Deionizers, Ultra Violet Sterilizers (UV), Chemical Dosing Systems, Ozonation Systems, Chlorination Systems, and Custom Built Water Treatment Systems.


2230 South Huron Drive
Santa Ana, CA 92704
United States
Phone: 714 432 9996, ext. 202
Fax: 714 432 9898

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Membrane Antiscalants Maintain RO Output and Efficiency

Publication Date: 
July 9, 2012

In any membrane filtration system, scaling is inevitable. There are many forms of scale, some of the most common being calcium carbonate, calcium sulfate, barium sulfate and strontium sulfate. Left unmanaged, crystal scale will accumulate and become a mass of crystals on the surface of the membrane, causing blockage. This is harmful to reverse osmosis (RO) systems because it increases operating pressure. High pressure can put stress on the system and reduce product output and efficiency levels. A severely scaled membrane easily can reduce its gallon output by more than half.

Company Reference: 

Dow Invests in Water Technology Manufacturing in China

Dow Water & Process Solutions

Dow Water & Process Solutions announces its plans for a new Dow Filmtec reverse osmosis membrane plant at the company’s site in Huzhou, China

The Dow Chemical Co. announced plans to invest in a world-class manufacturing facility for Dow Filmtec reverse osmosis (RO) elements in Huzhou, China. The new facility will be online in 2013.  

Publication Date: 
June 8, 2012

RO Membranes

Vontron’s new line of high-quality reverse osmosis membrane elements includes industrial multi-purpose, seawater desalination, fouling-resistant, oxidation-resistant and residential-type elements. The company is one of the world’s largest manufacturers of high-quality, low-cost, dry-type membranes.

Testing Packages Aid in RO System Design

Publication Date: 
May 23, 2012

When considering reverse osmosis (RO) for water treatment, there are several things that should be taken into account. One of the most important things to consider is the quality of the water to be treated. RO is widely used to remove harmful inorganic contaminants; however, due to the limitations and higher operating cost, pretreatment of the water may be necessary. For example, hardness minerals are common in groundwater, and at high levels, pretreating with a softener is often recommended.

Company Reference: 


Environmental World Products focuses on component distribution, sourcing and new product development for commercial and industrial water treatment applications. Its product line includes RO system components, such as membrane housings, filter housings, bag housings, filter cartridges, couplings, control valves, flowmeters, solenoid valves, needle valves, controllers/monitors and pressure gauges.


Test Package

Company Reference: 

The Complete RO Screen was developed with input from membrane manufacturers and treatment professionals. This package tests for most factors that can reduce the life of an RO membrane. Due to the nature of RO produced water, the testing was designed to provide lower detection levels. This test package is also beneficial for other applications that require pure water. New and improved compact packaging will reduce shipping costs.


Industrial RO Systems

Company Reference: 

SWI industrial-sized seawater RO systems have capacities ranging from 8,000 to 500,000 gpd. They feature duplex stainless steel multistage high-pressure pumps, FRP membrane housings, 8-in. TFC membranes, a non-corrosive prefilter and an advanced PLC-based control panel with touch screen, all mounted on a powder-coated steel frame that supports all instruments, piping and valves. Custom-made systems are available.

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