News

Duraflow DF-ROBR™ Tubular Membrane Technology for RO Brine Wastewater Recovery Up to 95%

TEWKSBURY, MA, – May 31, 2016 – Duraflow announces new DF-ROBR membrane technology for RO brine wastewater recovery up to 95%.
According to Joe Lander, Duraflow principal, "Reverse Osmosis (RO) is a widely accepted membrane technology for industrial process water purification and industrial wastewater recycling. Many large industrial operations, including power plants, steel manufacturing and a variety of heavy industries can no longer afford -- or are not permitted -- to dispose of RO brine wastewater and are seeking new brine wastewater recovery technologies. This is leading many industries to consider Zero Liquid Discharge (ZLD). To reduce Capex and Opex of the energy-intensive ZLD systems, there is significant economic payback for applying the DF-ROBR process to increase RO recovery efficiency and reduce brine wastewater generated from the desalination process."
Bill Matheson, Duraflow Managing Director, added, "Our high-efficiency DF-ROBR technology is designed to deliver up to 95% recovery of RO brine wastewater. The unique pre-treatment chemistry is custom designed for complete softening and removal of RO fouling components that may include heavy metals, organic matter, silica colloids, biological matter, surfactants, and more. Our customers can rely on this low-fouling membrane technology to solve their water shortage problem by maximizing reuse and recycle of large volumes of brine wastewater."
The wastewater is pumped at a high velocity through the membrane modules connected in series with low inlet pressure of 60 psig. The turbulent flow, parallel to the membrane surface, produces a high-shear scrubbing action which minimizes deposition of solids on the membrane surface. During operation, clear filtrate permeates through the membrane, while the suspended solids retained in the re-circulation loop are periodically purged for further dewatering.
Duraflow tubular membranes are capable of handling high solids concentrations. The membranes, made of PVDF, are cast on the surface of porous polymeric tubes to produce a nominal pore size of 0.1 micron.
The extraordinary chemical resistant property of PVDF allows the use of a wide range of chemicals -- acids, bases and oxidizers for cleaning of the removed fouling substances. Complete details are available by contacting Duraflow.

Duraflow Reverse Osmosis Brine Recovery Process

Duraflow DF-414 for Reverse
Osmosis Brine Recovery applications
About Duraflow LLC
Duraflow continues to meet demands for worldwide expansion by establishing distribution and service networks at strategic locations across the globe. Global infrastructure and uncompromising commitment to engineering support, product quality and continuous improvement has earned Duraflow its reputation for supplying world-class membrane technology around the world. Headquarters is at 120 Lumber Lane, Bldg. 3, Tewksbury, MA 01876. Tel. 978-851-0447, FAX 978-851-7459. For more information please contact us.
Contact
Michael Chan
978.987.9996
mchan@duraflow.biz