Title:
DUST REMOVAL AND DESULFURIZATION OF FCC EXHAUST GAS
Document Type and Number:
WIPO Patent Application WO/2018/214990
Kind Code:
A1
Abstract:
Apparatus and methods for denitrification and desulfurization of and dust removal from an FCC tail gas by an ammonia-based process. The apparatus may include a first-stage waste heat recovery system, a denitrification system, a dust removal and desulfurization system, a tail gas exhaust system, and an ammonium sulfate post-processing system. The dust removal and desulfurization system may include a dedusting tower and an absorption tower disposed separately. The top and the bottom of the absorption tower may be connected respectively to the tail gas exhaust system and the ammonium sulfate post-processing system. The absorption tower may include sequentially, from bottom to top, an oxidation section, an absorption section, and a fine particulate control section. The methods may be implemented with the apparatus.
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Inventors:
LUO JING (CN)
TAN QIANG (CN)
LUO YONGYING (CN)
TAN QIANG (CN)
LUO YONGYING (CN)
Application Number:
PCT/CN2018/096796
Publication Date:
November 29, 2018
Filing Date:
July 24, 2018
Export Citation:
Assignee:
JIANGNAN ENVIRONMENTAL PROT GROUP INC (GB)
JIANGSU NEW CENTURY JIANGNAN ENVIRONMENTAL PROT INC LTD (CN)
JIANGSU NEW CENTURY JIANGNAN ENVIRONMENTAL PROT INC LTD (CN)
International Classes:
B01D53/86; B01D47/06; B01D53/50; B01D53/56; B01D53/75; B01D53/78; B01D53/90; C01C1/245; F22B1/18
Foreign References:
CN104941423A | 2015-09-30 | |||
CN105056746A | 2015-11-18 | |||
CN105032145A | 2015-11-11 | |||
CN103301705A | 2013-09-18 | |||
CN104524948A | 2015-04-22 | |||
CN107213785A | 2017-09-29 |
Attorney, Agent or Firm:
CCPIT PATENT AND TRADEMARK LAW OFFICE (CN)
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