Title:
GREENHOUSE GAS EMISSION REDUCING DEVICE FOR SHIP AND SHIP OR OFFSHORE STRUCTURE COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2024/038978
Kind Code:
A1
Abstract:
Disclosed in the present invention is a greenhouse gas emission reducing device for a ship, the device comprising: a seawater supply unit (110) for supplying seawater; an absorbent liquid circulation supply unit (120) for providing and circulating an absorbent liquid for absorbing CO2; an absorption tower (130) including a CO2 removal unit (131) that cools exhaust gas, emitted from a ship engine (10), by reaction of the exhaust gas with seawater, reacts the cooled exhaust gas and the absorbent liquid to convert CO2 into a carbonate aqueous solution, and collects CO2; an absorbent liquid regeneration unit (140) for reacting the carbonate aqueous solution with a divalent metal oxide or a divalent metal hydroxide to regenerate the absorption liquid and produce a precipitate; and an overboard discharge unit (150) for separating the precipitate to discharge the precipitate overboard by seawater, wherein CO2 is mineralized and discharged overboard and the corrosion of a separator (152) due to seawater is minimized.
Inventors:
NAM BYUNG TAK (KR)
Application Number:
PCT/KR2023/000125
Publication Date:
February 22, 2024
Filing Date:
January 04, 2023
Export Citation:
Assignee:
DAEWOO SHIPBUILDING & MARINE (KR)
International Classes:
F01N3/04; B01D21/02; B01D53/14; B63B13/00; B63H21/32; B63J2/12; F01N3/20
Foreign References:
| KR102232553B1 | 2021-03-29 | |||
| KR102231475B1 | 2021-03-25 | |||
| KR102415706B1 | 2022-07-04 | |||
| KR20180015389A | 2018-02-13 | |||
| KR20220040216A | 2022-03-30 |
Attorney, Agent or Firm:
DAWOOL PATENT AND LAW FIRM (KR)
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