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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.

Inventors:
LUO, Jing (29 Suyuan Avenue, Jiangning DistrictNanjing, Jiangsu 0, 211100, CN)
TAN, Qiang (29 Suyuan Avenue, Jiangning DistrictNanjing, Jiangsu 0, 211100, CN)
LUO, Yongying (29 Suyuan Avenue, Jiangning DistrictNanjing, Jiangsu 0, 211100, CN)
Application Number:
CN2018/096796
Publication Date:
November 29, 2018
Filing Date:
July 24, 2018
Export Citation:
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Assignee:
JIANGNAN ENVIRONMENTAL PROTECTION GROUP INC. (Harneys Fiduciary Limited, 4th Floor Harbour Place, 103 South Church Street, P.O. Box 10240, Grand Cayman, Ky1-1002, KY)
JIANGSU NEW CENTURY JIANGNAN ENVIRONMENTAL PROTECTION INC., LTD (29 Suyuan Avenue, Jiangning DistrictNanjing, Jiangsu 0, 211100, CN)
International Classes:
B01D53/86; B01D47/06; B01D53/50; B01D53/56; B01D53/75; B01D53/78; B01D53/90; C01C1/245; F22B1/18
Foreign References:
CN104941423A2015-09-30
CN105056746A2015-11-18
CN105032145A2015-11-11
CN103301705A2013-09-18
CN104524948A2015-04-22
CN107213785A2017-09-29
Attorney, Agent or Firm:
CCPIT PATENT AND TRADEMARK LAW OFFICE (8th Floor, Vantone New World Plaza2 Fuchengmenwai Street, Xicheng District, Beijing 7, 100037, CN)
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