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Water Desalination Patents Granted to Drake Water Technologies

Tuesday, February 08, 2011

Helena, MT -- Drake Water Technologies, Inc., (DWT), Helena, Montana, was issued U.S. Patent No. 7,862,715 for the device that makes use of a novel water treatment process previously patented in 2008 (U.S. Patent 7,368,059), by inventor Ron Drake. Two additional patents are pending.

The patents describe a unique way to continuously use ion exchange resin (IXR) to “dial-in” removal of salts in wastewater (view the process at The IXR removes contaminants necessary to meet water treatment standards while using less chemical to regenerate the continuously moving resin. This innovative feature results in significant cost savings.

The “Drake Process” is mobile and modular, allowing deployment in remote locations and easily accommodates changing water throughput. The process may be powered by mobile generators or low power renewable sources.

This energy enabling technology has been successfully demonstrated in the Powder River Basin of Wyoming where large quantities of salt-laden water are produced during extraction of coal bed methane or natural gas.

The Drake Process technology has broad application in the water treatment arena ranging from economical salt reduction for irrigation and municipal water supplies, remediation of remote pits and ponds, plus resource recovery and numerous industrial separations. Other features and benefits are low capital and operating costs, very low power requirements, and minimum pretreatment requirements. Instead of producing wastes, the Drake Process generates small amounts of a saleable by-product.

“We are very excited to have our second patent for the Drake Process,” says DWT President and CEO, Ron Drake. “Our new technology can be used to address a wide variety of water treatment needs in energy recovery, environmental protection, and low cost desalination for potable water supplies. While our patents protect our technology, they also give us the credibility to attract the capital we need to rapidly grow our business.” DWT is also developing a process to remove salts from high TDS waters, such as those produced during shale play gas development.

More information about DWT is available at

About DWT

Drake Water Technologies, Inc., is a Montana corporation specializing in water treatment and environmental technology development. DWT staff has over 100 years combined experience in engineering, research, construction, permitting, and project management. DWT solves difficult water treatment problems by thinking “outside the box”.

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