USPatentGranted
B2

Air pollution control system and method

Granted 3 May 2016 · 8 office actions

Life of the patent

13 dated events
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Abstract

SO x removal equipment 15 which reduces sulfur oxides from flue gas 12 from a boiler 11 , a cooler 16 which is provided on the downstream side of the SO x removal equipment 15 so as to reduce the sulfur oxides from the flue gas and decrease a gas temperature, CO 2 recovery equipment 17 which includes an absorber for bringing CO 2 in the flue gas into contact with a CO 2 absorption liquid so as to be reduced and a regenerator for causing the CO 2 absorption liquid to emit CO 2 so as to recover CO 2 and regenerate the CO 2 absorption liquid, and ammonia injection equipment 22 for reducing a mist generation material which is a generation source of mist that is generated in the absorber of the CO 2 recovery equipment before introducing the flue gas to the CO 2 recovery equipment, are included.

Claims

3 · 1 independent · depth 2
123
3 granted claims

Classifications

4 codes
IPC · International Patent Classification
Section B — Performing operations; transporting
  • B01D53/75
  • B01D53/14
  • B01D53/50
Section C — Chemistry; metallurgy
  • C01B31/20

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File wrapper

⤢ drag to zoomJul 2011Jan 2012Jul 2012Jan 2013Jul 2013Jan 2014Jul 2014Jan 2015Jul 2015Jan 2016Jul 2016USPTOApplicantNon-final rejectionFinal rejectionResponse after non-finalResponse after non-final
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Pendency
4.9 y
1,799 days filing → grant
Office actions
4
non-final + final
Responses
4
1 RCE
Examiner
Duane Smith
art unit 1776 · TC 1700
Citations: 128 back · 0 forward

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Term & fees

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Priority chain

1 priority documents
›Priority documents — 1
TypeDocumentDate
related publicationUS 20130098244 A125 Apr 2013

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Citations

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