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Quantifying Dose Distributions in Photochemical Reactors

Summary

Researchers at Purdue University have developed dyed microspheres that can be introduced to the inlet of a photochemical reactor system to monitor the dosage of UV radiation. Microspheres are allowed to pass through the system and then are collected in the "treated water" stream leaving the reactor. The dye on the microspheres undergoes a photochemical change in response to UV irradiation. This reaction leads to the development of a stable fluorescent compound. Therefore, the beads become increasingly fluorescent as the dose of UV radiation increases. Collection of a sufficiently large number of exposed microspheres from the effluent of a system allows quantification of the dose distribution delivered by the system.

Technology Benefits

Measurement of dose distributionCan be used to determine efficiency of reactor

Technology Application

Clean WaterGreen Technology

Detailed Technology Description

Ernest Blatchley IIIPurdue Civil Engineering

Countries

United States

Application No.

7,842,512

Country/Region

USA

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