Gas separation: processes – Electric or electrostatic field – With addition of solid – gas – or vapor
Reexamination Certificate
2011-02-15
2011-02-15
Chiesa, Richard L (Department: 1776)
Gas separation: processes
Electric or electrostatic field
With addition of solid, gas, or vapor
C095S076000, C095S134000
Reexamination Certificate
active
07887618
ABSTRACT:
Methods are provided for reducing emission of mercury from a gas stream by treating the gas with carbonaceous mercury sorbent particles to reduce the mercury content of the gas; collecting the carbonaceous mercury sorbent particles on collection plates of a hot-side ESP; periodically rapping the collection plates to release a substantial portion of the collected carbonaceous mercury sorbent particles into hoppers; and periodically emptying the hoppers, wherein such rapping and emptying are done at rates such that less than 70% of mercury adsorbed onto the mercury sorbent desorbs from the collected mercury sorbent into the gas stream.
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Albemarle Corporation
Chiesa Richard L
Hoefling Marcy M.
Jubinsky James A.
Kliebert Jeremy J.
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