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Marine hybrid desulfurization system and method

A desulfurization system and hybrid technology, applied in the field of ship exhaust flue gas purification, can solve problems such as the impact of desulfurization efficiency, and achieve the effects of improving removal efficiency and load adaptability, uniform flow field, and reducing efficiency liquid-gas ratio

Pending Publication Date: 2020-11-06
ZHEJIANG UNIV
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Problems solved by technology

However, the desulfurization efficiency of the open system is affected by the alkalinity of seawater, and it ma

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  • Marine hybrid desulfurization system and method
  • Marine hybrid desulfurization system and method

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Abstract

The invention relates to a desulfurization system, in particular to a marine hybrid desulfurization system and method, and belongs to the technical field of marine exhaust gas purification. The marinehybrid desulfurization system comprises an open desulfurization system taking seawater as an absorbent and a closed desulfurization system taking a base absorption liquid as an absorbent, and mainlycomprises a flue gas system, an absorption tower system, an alkali liquor preparation system and a washing water treatment system. According to the marine mixed desulfurization system provided by theinvention, the advantages of the open type desulfurization system and the closed type desulfurization system are effectively combined, the open type desulfurization system and the closed type desulfurization system can be freely switched, and up-to-standard emission of sulfur oxides in discharged flue gas is realized when a ship sails in different countries and different sea areas.

Description

technical field [0001] The invention relates to a desulfurization system, in particular to a marine hybrid desulfurization system and method, and belongs to the technical field of purification of exhaust gas from ships. Background technique [0002] Ocean shipping has the advantages of large cargo capacity and low transportation cost, and has become an important means of transportation in international trade. Most large ocean-going ships use heavy oil as fuel, and the sulfur content of fuel oil is as high as 3.5%. The sulfur oxides in the exhaust gas have polluted the environment. The International Maritime Organization (IMO) MAPPOL 73 / 78 Convention Annex VI stipulates the sulfur oxide (SOx) emission standard: for ships in non-controlled areas, from January 1, 2012, the sulfur content and quality of fuel oil The score is controlled below 3.5%, and from January 1, 2020, the sulfur content is reduced to below 0.5%; in the emission control area (ECAS), from January 1, 2015, th...

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Application Information

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IPC IPC(8): B01D53/50B01D53/86B01D53/96B01D53/78
CPCB01D53/501B01D53/8609B01D53/96B01D2251/106B01D2251/108B01D2251/304B01D2251/402B01D2251/404B01D2251/604B01D2251/606B01D2255/702B01D2258/0283
Inventor 高翔王丁振郑成航刘少俊吴卫红姚龙超宋浩杨洋徐甸张悠张涌新翁卫国岑可法
Owner ZHEJIANG UNIV
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