VPP--DESIGN CRITERIA FOR AN INSTALLATION TO REMOVE HYDROGEN FLUORIDE AND FLUORINE FROM THE CELLS 1 AND 2 VENTILATION GASES PRIOR TO FILTRATION | Zendy

J B Ruch | Zendy

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VPP--DESIGN CRITERIA FOR AN INSTALLATION TO REMOVE HYDROGEN FLUORIDE AND FLUORINE FROM THE CELLS 1 AND 2 VENTILATION GASES PRIOR TO FILTRATION

Author(s) -

J B Ruch

Publication year - 1950

Publication title -

osti oai (u.s. department of energy office of scientific and technical information)

Language(s) - English

Resource type - Reports

DOI - 10.2172/4166463

Subject(s) - data scrubbing , scrubber , nozzle , hydrogen fluoride , fluoride , baffle , fluorine , chemistry , waste management , engineering , inorganic chemistry , chemical engineering , mechanical engineering , organic chemistry

Criteria are presented for a horizontal cocurrent spray nozzle scrubbing system designed to remove fluorine and hydrogen fluoride from the 3000 cfm of ventilation air passing through the Volatility Pilot Plant. A reduction of fluorine concentration from 1520 to <2 ppm during a total release of 68 lbs, and a reduction of hydrogen fluoride concentration from 4090 to <1 ppm during a total release of 200 lbs, will adequately protect the Fiberglas media filters. Six scrubbing states each containing four nozzle-throat spray units are needed with a 5 to 10% aqueous caustic potash recycle system pumping at a maximum rate of approximately 180 gal/min, with a range per nozzle from 3 to 7 gal/min. The scrubber will be 4 ft x 4 ft x approximately 25 ft, containing a deentrainment section of baffles and demister. The associated ventilation system hardware, services, and instrumentation requirements are given. (auth

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