海水脱硫技术在船舶柴油机排气中的应用

Application of Seawater Desulfurization to Marine Diesel Exhaust Scrubbing

船舶柴油机中排放的废气硫氧化物(SO2)已成为当前大气的一大污染源。为有效应对国际海事组织日趋严格的船舶燃油含硫量和SO2排放量的限制,在分析SO2易溶于海水特性的基础上,分别对目前工业上的海水脱硫技术及其它多种烟气脱硫技术进行研究和对比,提出海水脱硫技术在船舶柴油机废气排放中应用的可行性。对海水脱硫技术工艺流程与效率进行理论设计和计算分析的结果表明,海水脱硫技术对保护大气环境和船员健康具有重大现实意义。

Emission of SOX from marine diesel engines has become a big source of air pollution.In view of the increasingly stringent limits on the sulfur content of marine fuel oil and SOX emission set by the International Maritime Organization,existing seawater desulfurization technologies and other flue gas desulfurization technologies are studied and compared.Owing to the water soluble characteristics of SO2,the feasibility of applying seawater desulfurization to marine diesel exhaust scrubbing is put forward.The results of theoretical calculation and the analysis of seawater desulfurizing process show that seawater desulfurization technology can do great job for protection of atmospheric environment and crew＇s health.