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    • 31. 发明申请
    • PROCESS FOR MINIMISING THE EMISSION OF PARTICULAR MATTER FROM MARINE DIESEL ENGINES
    • 最小化海洋柴油发动机排放特别事项的程序
    • US20120107202A1
    • 2012-05-03
    • US13123187
    • 2009-10-01
    • Riki CanariAharon EyalNils Christian Hoy-PetersenMatitiahu FichmanCarl Christian HaugeCarmi Raz
    • Riki CanariAharon EyalNils Christian Hoy-PetersenMatitiahu FichmanCarl Christian HaugeCarmi Raz
    • B01D47/05B01D53/92F01N3/04B01D51/10B01D45/12
    • B01D47/05B01D53/78B01D53/92B01D2251/404B01D2257/302B01D2258/012F01N3/005F01N3/037F01N3/04F01N2560/027F01N2560/05Y02T10/20
    • The present invention provides a process for minimizing the emission of particulate matter and precursors thereof from a flue gas stream of an engine comprising particulate matter and precursors thereof and at least one gaseous component, which process comprises the steps of: a. Obtaining a flue gas stream of an engine comprising particulate matter and precursors thereof; b. Increasing the moisture content of the stream by contacting the same with a first aqueous medium in an amount and at a temperature at which at least 50% of the water content of the first aqueous medium is evaporated; whereby a moisture laden gas stream, optionally containing suspension droplets, is formed; c. Cooling the moisture laden gas stream whereby suspension droplets are formed; and d. Applying a centrifugal force to the moisture laden gas stream and to the suspension droplets to effect the swirling thereof; whereby a treated gaseous stream and an aqueous stream are formed; and wherein the content of particulate matter in the treated gaseous stream is reduced by at least 50% compared with that in the hot gas stream as measured by cooling to about 50° C. with no further treatment and wherein the centrifugal force in step d is characterized in that the velocity of the moisture laden gas stream is between 20 m/sec and 120 m/sec.
    • 本发明提供了一种使包含颗粒物质及其前体和至少一种气体组分的发动机的烟道气流的颗粒物质及其前体的排放最小化的方法,该方法包括以下步骤:a。 获得包含颗粒物质及其前体的发动机的烟气流; b。 通过使第一水性介质的水含量的至少50%蒸发的量和第一水性介质与第一水性介质接触来增加流的含水量; 从而形成任选地含有悬浮液液滴的含水气流; C。 冷却载气的气流,由此形成悬浮液滴; 和d。 将离心力施加到负载气体的气流和悬浮液液滴中以实现其旋转; 从而形成经处理的气流和水流; 并且其中处理的气流中的颗粒物质的含量与通过冷却至约50℃而测得的热气流中的颗粒物质的含量相比降低至少50%,而无需进一步处理,并且步骤d中的离心力为 其特征在于,含负载气体气流的速度在20m / sec至120m / sec之间。