Chemistry of inorganic compounds – Modifying or removing component of normally gaseous mixture
Reexamination Certificate
2011-01-18
2011-01-18
Vanoy, Timothy C (Department: 1793)
Chemistry of inorganic compounds
Modifying or removing component of normally gaseous mixture
C422S168000, C096S155000, C096S181000, C095S134000
Reexamination Certificate
active
07871586
ABSTRACT:
The present invention provides a mercury removal system and method for effectively removing a mercury component, which is present in a gas stream in an extremely small amount in wet gas cleaning. The mercury removal system in wet gas cleaning includes a water washing tower for introducing therein a target gas containing a mercury component and transferring the mercury component into an absorbing solution, a flash drum (10) for flashing the absorbing solution discharged from the water washing tower to separate the absorbing solution into a gas component and waste water, an oxidation treatment means (1) for adding an oxidizing agent to the absorbing solution at the preceding stage of the flash drum, and a waste water treatment means for subjecting to coagulation sedimentation treatment the separated waste water containing the mercury component at the following stage of the flash drum to dispose of the mercury component as sludge.
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Harada Masahiro
Honjo Shintaro
Kameyama Shuji
Kisei Akira
Nakahara Masaki
Birch & Stewart Kolasch & Birch, LLP
Central Research Institute of Electric Power Industry
Chubu Electric Power Co., Inc.
Clean Coal Power R&D Co., Ltd.
Hokkaido Electric Power Company, Inc.
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