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    • 41. 发明授权
    • Cavitation enhanced liquid atomization
    • 气蚀增强液体雾化
    • US06783662B2
    • 2004-08-31
    • US10273932
    • 2002-10-17
    • Dean C. DraemelNicholas C. NahasTeh C. Ho
    • Dean C. DraemelNicholas C. NahasTeh C. Ho
    • C10G3510
    • B01J8/1827B01J19/008C10G11/18
    • A cavitation enhanced atomizing process comprises forming a flowing solution of the liquid to be atomized and a lower boiling cavitating liquid. This flowing solution is then contacted with a pressure reducing means, at a temperature below the bubble point of the cavitating liquid in the solution, to produce cavitation bubbles. These bubbles comprise cavitation liquid vapor and the bubble nucleation produces a two-phase fluid of the bubbles and liquid solution. The two-phase fluid is passed downstream into and through an atomizing means, such as an orifice, and into a lower pressure atomizing zone, in which the bubbles vaporize to form a spray of liquid droplets. The nucleated bubbles also grow in size as the so-formed two-phase fluid passes downstream to and through the atomizing means.
    • 气穴增强雾化工艺包括形成待雾化液体的流动溶液和较低沸点的空化液。 然后将该流动溶液与减压装置接触,温度低于溶液中空化液体的起泡点,产生空化气泡。 这些气泡包含空化液体蒸气,气泡成核产生气泡和液体溶液的两相流体。 两相流体通过下游进入并通过诸如孔口的雾化装置,并进入低压雾化区,其中气泡蒸发以形成液滴的喷雾。 当形成的两相流体通过下游并通过雾化装置时,有核气泡的尺寸也增长。
    • 48. 发明授权
    • Hydrotreating with self-promoted molybdenum and tungsten sulfide catalyst
    • 用自身促进的钼和硫化钨催化剂加氢处理
    • US4663023A
    • 1987-05-05
    • US687579
    • 1984-12-28
    • Larry E. McCandlishTeh C. Ho
    • Larry E. McCandlishTeh C. Ho
    • C10G45/08B01J27/00B01J31/00B01J37/08C10G45/04C10G45/50C10G47/04C10G47/12
    • C10G45/04B01J37/086
    • Hydrocarbon feeds are upgraded by contacting same, at elevated temperature and in the presence of hydrogen, with a self-promoted catalyst prepared by heating one or more water soluble catalyst precursors in a non-oxidizing atmosphere in the presence of sulfur at a temperature of at least about 200.degree. C. The precursors will be one or more compounds of the formula ML(Mo.sub.y W.sub.1-y O.sub.4) wherein M is one or more promoter metals selected from the group consisting essentially of Mn, Fe, Co, Ni, Cu, Zn and mixtures thereof, wherein O.ltoreq.y.ltoreq.1 and wherein L is a nitrogen containing, neutral multidentate, chelating ligand. In a preferred embodiment the ligand L will comprise one or more chelating alkyl di or triamines and the non-oxidizing atmosphere and to form the catalyst will comprise H.sub.2 S.
    • 通过在升高的温度和在氢的存在下使其接触来提高烃进料与通过在硫的存在下在非氧化性气氛中在一定温度下加热一种或多种水溶性催化剂前体而制备的自促进催化剂 至少约200℃。前体将是一种或多种式ML(MoyW1-yO4)的化合物,其中M是一种或多种选自基本上由Mn,Fe,Co,Ni,Cu,Zn和 其混合物,其中O y为1,并且其中L为含氮中性多齿螯合配体。 在优选的实施方案中,配体L将包含一种或多种螯合烷基二或三胺,并且非氧化性气氛和形成催化剂将包含H 2 S。