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High Purity Boiler Water Production

From Eco-Tec, Inc.

The recovery of wastewater for industrial uses presents many challenges for the design and operation of water treatment equipment. Since the term wastewater can be applied to a wide range of water sources from municipal sewage
to storm runoff to industrial discharge water, the water characteristics may have great variability. As such, the equipment to treat wastewater must be robust and forgiving. When these wastewaters are used to produce ultra high purity
boiler feedwater, the challenges become magnified.
This paper describes a water treatment system, fed with municipal wastewaters, for the production of high purity
boiler feed makeup water at a combined cycle gas-fired power plant, and the experiences of the plant operator after
five years of continuous operation. This fully automatic water treatment system consists of micro-media filtration,
reverse osmosis and a short bed ion exchange demineralizer/polisher, and requires minimal operator attention and
maintenance.

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Products & Services
Filter Media
Filter media is material that actively separates solids from a solution and/or binds select materials in a solution.
Ion Exchange Resins
Ion exchange resins are typically porous, cross-linked polystyrene beads that trap ions (iron, manganese, etc.) in a solution, usually water, while releasing (or exchanging) other ions (sodium, etc.). They are used to reduce water hardness.
Water Filters
Water Filters are used to filter water used as a life-sustaining beverage, food processing and for use in industrial processes.
Gas Dryers, Filters, and Purifiers
Gas dryers, filters and purifiers are designed to remove particulates and purify a gaseous process stream. Gas dryers may be an integral part of a gas filter, or a substantive feature. Gas purifiers can remove gaseous contaminants to levels as low as one-part-per-trillion.
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Topics of Interest

The recovery of wastewater for industrial uses presents many challenges for the design and operation of water treatment equipment. Since the term wastewater can be applied to a wide range of water...

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