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Posts Tagged ‘Cathy Ershen’

Calpine Tackles Froth and Foam with Non-Contacting Radar

Posted in Emerson Exchange, Level on Wednesday, October 8th, 2014. 2 comments so far
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Emerson’s Cathy Ershen and Jim Elchook shared a case study on geothermal power generation. Their abstract: H2S abatement may be required to meet local environmental regulations for a geothermal plant. At Calpine’s Geysers, a number of the operating power plants have Stretford H2S Abatement systems which is the primary abatement systems for surface condenser vent […]

Level Measurement on Hydrogen Sulfide Abatement System

Posted in Level on Tuesday, February 25th, 2014. 2 comments so far
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Level measurement can be tricky, especially when the fluid being measured has changing density and specific gravity. Emerson’s Cathy Ershen alerted me to a paper she, Emerson’s Pat Carroll and Calpine’s Anthony Derenia had published at the Geothermal Library. The paper, Calpine Geysers’ Units 18 and 20’s Stretford System Froth and Balance Tank Level Measurement […]