ro water purifier Articles

  • Commercial RO Package, Jordan

    INTRODUCTION In April 2013, Pure Aqua, Inc. designed and manufactured a commercial RO package to a major hotel in Jordan to remove, chlorine, TDS, and odor from well water. The package consisted of pre and post treatments including a multimedia filter and chemical dosing systems. The brackish ...


    By Pure Aqua, Inc.

  • 1-Pass or 2-Pass RO ?

    EDI today must be pretreated with RO for numerous reasons. But what are the advantages and disadvantages of 1-pass and 2-pass RO as pretreatment? Many EDI systems using Electropure™ EDI perform very well with 1-pass RO. It's easy to achieve 17+ Megohm with 1-pass RO. Most USP WFI and Purified Water systems easily meet requirements with 1-pass RO. And a 1-pass RO system is less expensive and ...


    By SnowPure Water Technologies

  • Advanced Water Treatment Technologies May Bring Purified 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,' reported the San Diego Union-Tribune recently. A plan to mix 'repurified water' with the City's raw drinking water reservoir could become a reality, thanks to the wonders of water treatment technology. Such a possibility elicits various reactions including disgust, marvel and fear. ...

  • Genairclean RO membrane cleaning - Case Study

    Trial Period September 2013 to May 2014 Site Water Reuse system, UK Background A Brackish Water Reverse Osmosis (BWRO) system with a history of rapid and consistent membrane fouling was selected to trial the new ‘Genairclean’ micro-bubble multi-mechanism RO membrane cleaning method. The plant reclaims process ...

  • UAT - Leo J. Vander Lans Water Treatment Facility Uses UAT RO System to Treat Recycled Wastewater

    Located along the Los Angeles and Orange County border in California, the Alamitos Barrier protects a portion of the Central Basin from seawater intrusion. Through the years, over-pumping of ground water basins has caused water levels to drop and seawater to enter the basins. To prevent additional contamination, seawater intrusion barriers using potable water to source injection wells were ...


    By De Nora Water Technologies

  • Methods of Water Purification

    This article is excerpted from 'Pure Water Handbook' published by Osmonics®, Inc. of Minnetonka, Minnesota USA and is printed with permission of Osmonics, Inc. Water treatment can be defined as any procedure or method used to alter the chemical composition or natural 'behavior' of a water supply. Water supplies are classified as either surface water or groundwater. The majority of public or ...

  • Crossflow Membrane Filtration High-Purity Water Systems

    INTRODUCTION As the electronics industry continues to provide us with such products as high resolution television, notebook size portable computers and cars with automatic navigation systems, it becomes necessary to produce semiconductors with finer device geometries to allow for efficient placement of more circuits per a given area. This requires increased control of a semiconductor's material ...

  • Water Treatment in Microbrewery application - Case Study

    Point-of-Entry (POE) Water Treatment Used for Chlorine Removal in Microbrewery Application Summary: RO is the preferred technology for many commercial/light industrial applications where feed water purification and final product water consistency are essential. Growth of U.S. microbreweries has created an opportunity for this application. The following case study offers an additional area of ...


    By KDF Fluid Treatment, Inc.

  • Brackish Water Reverse Osmosis Devices, Dubai UAE

    INTRODUCTION In August 2013, Pure Aqua, Inc. designed and manufactured brackish water reverse osmosis devices to a major company in Dubai, UAE to treat well water. There were four BW-1.5K-140 systems each designed to produce 1,500 GPD at a feed water TDS of a maximum 5,000 ppm, it was selected from our ...


    By Pure Aqua, Inc.

  • Assessment of nanofiltration and reverse osmosis potentialities to recover metals, sulfuric acid, and recycled water from acid gold mining effluent

    This work assessed the potential of nanofiltration (NF) and reverse osmosis (RO) to treat acid streams contaminated with metals, such as effluent from the pressure oxidation process (POX) used in refractory gold ore processing. NF and RO were evaluated in terms of rejections of sulfuric acid and metals. Regarding NF, high sulfuric acid permeation (∼100%), was observed, while metals were ...


    By IWA Publishing

  • Reverse Osmosis: How Does It Figure Into a Dialysis Water System?

    Better than 95% of all dialysis centers use water purification equipment to purify water for dialysis. The centerpiece of these water purification systems has become reverse osmosis. In conjunction with sound pretreatment, RO has proven itself to be the safest, most reliable, and most economical method of purifying water for dialysis. Water plays an important, life-sustaining role for dialysis ...

  • Application of Membrane Technology for the Recovery and Reuse of Water

    Abstract As water and sewer costs are expected to increase over the next decade, membrane technology will continue to be a viable and economical option in the recovery and reuse of water. This paper describes the mechanism of membrane effected separation (specifically reverse osmosis, ultrafiltration and microfiltration), membranes commercially available, membrane element configurations, and how ...


  • Electronic Water Treatment Reduces Fouling In Reverse Osmosis

    Reverse Osmosis (RO) is used in processes requiring high-quality, purified water, such in semi-conductor processing or biochemical applications and can be used to treat boiler feed water, industrial wastewater or process water. A water purification technique, it reduces the quantity of dissolved solids in solution. RO uses waterline pressure together with energy consuming pressurizing pumps that ...

  • Spiral-Wound Elements for Potable Water Treatment

    Introduction Any new technology must overcome perceptions of the marketplace, which are not accurate. As a technology moves into new areas of application, new misconceptions also arise. Crossflow membrane technology is no exception. The first man-made, pressure-driven 'crossflow' membranes were made in flat sheet form. This membrane had to be configured in a device, and was first made in ...


  • Operating boundaries of full-scale advanced water reuse treatment plants: many lessons learned from pilot plant experience

    Three Advanced Water Treatment Plants (AWTP) have recently been built in South East Queensland as part of the Western Corridor Recycled Water Project (WCRWP) producing Purified Recycled Water from secondary treated waste water for the purpose of indirect potable reuse. At Luggage Point, a demonstration plant was primarily operated by the design team for design verification. The investigation ...


    By IWA Publishing

  • What Is a Boiler Feed Water Treatment System and How Does It Work?

    For industrial companies using a boiler for its facility, some type of boiler feed water treatment system is usually necessary to ensure an efficient process and quality steam generation. The most appropriate boiler feed water treatment system will help the facility avoid costly plant downtime, expensive maintenance fees, and boiler failure as a result of scaling, ...


    By SAMCO Technologies, Inc.

  • Lifestream watersystems provides water purification systems for new oil production facility and its community

    Lifestream Watersystems Inc. has provided three brackish water desalination syslems to a major oil producing company to yield 255,000 gallons per day of high qualify water for a new community of up to 3000 people to support a decade long project of oil production in a remote area. These systems will also provide a reliable supply of high purity industrial process water to the operations of the ...

  • A high-performance electropositive filter

    Reverse osmosis (RO) membranes have become the industry standard for purification of any feed water source. They are used extensively for producing high-purity, low-conductivity process water. They are also used for producing ultrapure water from fresh water because RO is presumed to be the ultimate purifier. Because RO filters are readily fouled by colloidal particles and biofilms, some method ...


    By Argonide Corporation

  • Pharmaceutical: a Practical Approach to Controlling Microbial Growth in USP

    The control of microbial growth in systems for producing United States Pharmacopeia (USP) Purified Water is of critical importance to pharmaceutical manufacturers. It is also of critical importance to the United States Pharmacopeial Convention Inc. (USP) organization, as evidenced by the sheer number of pages dedicated to the control of micro-organisms in the proposed USP 23 General Information ...

  • Evaluation of membrane bioreactor technology and desalting membranes for reuse..

    The City of Rio Rancho and MWH have recently completed a pilot-testing program to evaluate MBR technology followed by reverse osmosis (RO) membranes during operation on municipal wastewater. The pilot testing program is part of an overall water reuse plan being implemented by the City of Rio Rancho, NM to conserve water supplies through recycling of wastewater currently being discharged to the ...


    By Toray Chemical Korea

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