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Freescale Implements Nalco 3D TRASAR Technology to Reduce Fresh Water Usage in Austin Plant

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January 24, 2012

Freescale Implements Nalco 3D TRASAR Technology to Reduce Fresh Water Usage in Austin Plant

By Madhubanti Rudra
TMCnet Contributor

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Freescale Semiconductor (News - Alert), a key player in the global semiconductors market has recently reported a substantial reduction in its fresh water usage for its Oak Hill fabrication plant in Austin, Texas. Credit goes to Nalco, an Ecolab company, which has implemented the Green Chemistry 3D TRASAR system in the plant and helped Freescale respond to Texas’ severe drought conditions in a responsible manner.


Freescale Semiconductor is engaged in designing and manufacturing of embedded semiconductors for the automotive, consumer, industrial and networking markets. Semiconductor manufacturing requires substantial amounts of water, including large chiller systems that regulate temperature and humidity within the manufacturing process to ensure chip quality.

Given the drought condition in its home state, Freescale Semiconductor has made a commitment to reduce its manufacturing operations' water consumption by 50 percent by 2015.

In the semiconductor plants, the huge amount of water is used to wash the surface of the silicon wafers after polishing. Using recycled water is often not a solution, as they may carry contamination and any contamination can affect the efficiency of the cooling system.

But to keep to its commitment to reduced water-usage, Freescale had to find out an alternative to municipal fresh water to be used in its Oak Hill facility's cooling system. Nalco provided the solution. Thanks to the 3D TRASAR Technology for Cooling Water, Freescale is now able to safely use the reclaimed manufacturing process water.

The technology leverages fluorescent molecules to treat water in the chemical plants. In addition, it employs a fluorescent bio-reporter molecule to continuously monitor and adjust Nalco's patented chemistry to protect Freescale's cooling system.

A press release revealed that Freescale's Oak Hill site is also using Nalco's PORTA-FEED Delivery System, which provides “hands-off” chemical handling through a variety of returnable chemical containers. By replacing traditional 55-gallon drums, these units have reportedly improved employee safety at the plant and significantly reduced the risk of spills or leaks in eliminating waste.

Recently, Nalco was formally acquired by Ecolab after shareholders from both the companies overwhelmingly approved the merger proposal. The merger was expected to help Nalco to expand its market in more than 160 countries.

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Madhubanti Rudra is a contributing editor for TMCnet. To read more of her articles, please visit her columnist page.

Edited by Jennifer Russell

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