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    • 44. 发明授权
    • Thermal treatment of heavy hydrocarbon oil
    • 重质烃油的热处理
    • US4522703A
    • 1985-06-11
    • US554013
    • 1983-11-21
    • Tsoung Y. YanNai Y. Chen
    • Tsoung Y. YanNai Y. Chen
    • C10C3/00C10G9/00C10G9/14
    • C10C3/002C10G9/00
    • This invention provides a process for upgrading heavy hydrocarbon oil by thermal treatment which in one preferred embodiment involves heating a petroleum residuum type of heavy oil feedstock at a temperature of 450.degree.-550.degree. C. and a pressure of 10-200 psi for a period of about 0.1-1 hour to convert at least 60 weight percent of the heavy oil to gasoline and gas oil range products, and additionally providing a residual tar fraction which has a fusion temperature below about 160.degree. C.About 1-10 weight percent of solid carbonaceous fines are incorporated in the feedstock to suppress the deposition of coke in the thermal treatment zone.
    • 本发明提供了一种通过热处理改质重质烃油的方法,在一个优选实施方案中,该方法包括在450-550℃的温度和10-200psi的压力下加热石油渣油类型的重油原料一段时间 约0.1-1小时以将至少60重量%的重油转化为汽油和瓦斯油产品,并且另外提供熔点低于约160℃的残余焦油馏分。约1-10重量% 将固体碳质细粉掺入原料中以抑制焦炭在热处理区中的沉积。
    • 48. 发明授权
    • Method for NO.sub.x removal from stack gases
    • 从烟气中除去NOx的方法
    • US4218427A
    • 1980-08-19
    • US32207
    • 1979-04-23
    • Tsoung Y. Yan
    • Tsoung Y. Yan
    • B01D53/56F23J15/02B01D53/34
    • F23J15/02B01D53/56F23J2215/10F23J2219/20
    • A method for reducing NO.sub.x in stack gases is disclosed which comprises contacting stack gas with a fluidized bed of pulverized coal at a temperature within the range from about 400.degree.-700.degree. C., passing the gaseous effluent from the fluidized bed reactor to a heat recovery unit to complete the combustion of volatiles evolved in the fluidized bed reactor and to recover the heat content of the treated stack gas, and then discharging the treated gas to the atmosphere. In a preferred embodiment of the method of this invention, the treated gases passing from the heat recovery unit are subjected to a sulfur compound removal step before being discharged to the atmosphere.
    • 公开了一种用于还原烟气中的NOx的方法,其包括在约400℃至700℃的温度范围内使叠层气体与粉煤流化床接触,使来自流化床反应器的气态流出物通过热量 回收单元以完成在流化床反应器中放出的挥发物的燃烧并回收经处理的堆叠气体的热含量,然后将经处理的气体排放到大气中。 在本发明方法的优选实施方案中,从热回收单元通过的处理气体在排放到大气中之前经受硫化合物去除步骤。