Research and Development of an Ozone Contactor System.
Final rept. Jan-Jun 76,
LIFE SYSTEMS INC CLEVELAND OHIO
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The development and preliminary characterization of the Life Systems Ozone Contactor for the Water Processing Element WPE in the Medical Unit, Self-Contained, Transportable MUST were successfully completed. The ozone contactor employs six totally mixed contacting stages with a precontactor stage. The off gases from the six stages are sparged through the precontactor stage for efficient ozone conversion. Various experiments were carried out with a number of synthesized MUST Medical Complex waste waters. Methanol, ethanol, phenol, formaldehyde, acetic acid, acetone, urea, O-toludine and N, N-diethyl-m-toluamide are some of the organics present in the waste waters. The effectiveness of the ozone oxidation as a function of various operating parameters, including temperatures, pH, ultraviolet light activation, carrier gas flow rate and ozone dosage are discussed. Comparisons are made between the ozone contactor experimental results and those obtained with other reactor types. A Reverse Osmosis Unit Process was designed, fabricated, assembled and checked out. It successfully produced water which synthesizes the MUST waste water influent to the ozone oxidation unit process. A sodium chloride rejection rate of 98 or higher was achieved for a shakedown testing period of over 100 hours of continuous operation.
- Industrial Chemistry and Chemical Processing
- Water Pollution and Control