Datasheet | June 27, 2014

Vanox® AOP System For High Flow TOC Reduction Datasheet

Source: Evoqua Water Technologies

Evoqua introduces a high flow solution specifically for Total Organic Carbon (TOC) reduction, where realization that organic species can impact yield at every process stage that the product comes in contact with water. This treatment system can treat hundreds or thousands of gallons per minute surpassing the International Technology Roadmap for Semiconductors (ITRS) requirements.

Our proprietary advanced oxidation process — used in the Vanox® AOP system — can consistently reduce TOC to 0.5 parts per billion (ppb) and treat seasonal TOC variations in feed water. This is important, as organic carbon elevations above 1.0 ppb can directly affect the manufacturing process and has been shown to significantly impact product yields. The repeat orders for Vanox AOP systems by nearly every factory they are placed in are an indicator of how these tools are a valuable return on investment. Recent discoveries that the species of the TOC are as important as the quantity of TOCs has generated interest in the patented process from Evoqua that attacks the specific TOC species and has the greatest impact on microelectronics production. Species, such as urea, are the hardest to remove using conventional UV or UV Peroxide/Ozone technology but are readily reduced with the Vanox AOP system solution.

The Vanox AOP system removes and/or controls urea primarily associated with THMs (Trihalomethane), such as chloroform, which is generated as a by-product from the use of chlorine. The system also addresses urea and IPA, the primary organics that can require a more elaborate treatment. These difficult to control organics have been proven to impact yield and device performance, especially at the most demanding process steps.

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