A Unique Method for Recycling and Reuse of Desalinated Water-Case Histories
Previously published as part of The International Desalination Association (IDA) World Congress Proceedings, Bahamas-2003
Abstract: Desalination provides high purity water for municipal and industrial purposes worldwide where fresh water supplies are scarce or do not exist. In most cases, the desalinated water is used once, treated, and returned to the sea. Since desalination adds significant cost for its users, recycling and reuse of desalinated water will reduce operating costs by reducing demand in water production facilities.
Using the patented HERO™ process (High Efficiency Reverse Osmosis), wastewater streams can be treated using a combination of ion exchange and reverse osmosis. The high pH environment of the HERO™ process introduces advantages that were never before available, allowing it to overcome the limitations of traditional RO systems. Wastewater streams that have been treated using this process include cooling tower blowdown, pharmaceutical plant reject, treated sewage, and refinery waste.
Case histories of these varied wastewater recovery operations are discussed for the purpose of optimizing water supplies where only desalinated water is available. Economic impact and operational considerations are addressed.
For more information please refer to the International Desalination website.