Colorimetric detection of alcohols in gasoline
    14.
    发明授权
    Colorimetric detection of alcohols in gasoline 失效
    汽油中醇的比色检测

    公开(公告)号:US4608345A

    公开(公告)日:1986-08-26

    申请号:US668575

    申请日:1984-11-05

    CPC classification number: G01N31/22 G01N33/2852 Y10T436/21

    Abstract: A colorimetric method for detecting the presence of alcohol in hydrocarbons, such as gasoline, is disclosed. The method comprises contacting the hydrocarbon with a mixture comprising:i. an alcohol soluble, hydrocarbon insoluble dye; andii. a solid insoluble in hydrocarbon and alcohol whereby the mixture undergoes a color change in the presence of alcohol.The hydrocarbon sample preferably is contacted with a drying agent to remove dissolved water prior to contacting the mixture.

    Abstract translation: 公开了一种用于检测烃类如汽油中醇的存在的比色法。 该方法包括使烃与一种混合物接触,包括: 醇溶性,不溶于烃的染料; 和ii。 固体不溶于烃和醇,由此混合物在醇存在下发生颜色变化。 在接触混合物之前,烃样品优选与干燥剂接触以除去溶解的水。

    Synergistic low temperature flow improver in distillate fuel
    15.
    发明授权
    Synergistic low temperature flow improver in distillate fuel 失效
    蒸馏燃料中协同作用的低温流动改进剂

    公开(公告)号:US4014663A

    公开(公告)日:1977-03-29

    申请号:US635846

    申请日:1975-11-28

    Abstract: The low temperature filterability of a petroleum middle distillate fuel, such as a heating oil or a diesel fuel is improved by adding to the fuel a synergistic combination of an N-aliphatic hydrocarbyl succinamic acid or derivative thereof with a dimer of an alpha olefin, with a polymer of such dimer, or with an alkylated aromatic compound such as an alkylated diphenyl or an alkylated diphenyl ether. The olefin dimers are of alpha olefins of from 16 to 40 carbon atoms. The alkyl groups on the alkylated aromatics are derived from C.sub.16 -C.sub.50 olefins or from dimers of C.sub.16 -C.sub.40 alpha-olefins. This invention is particularly advantageous in improviing the flow of a diesel fuel through a fine filter at low temperatures.

    Abstract translation: 通过向燃料中加入N-脂族烃基琥珀酰胺酸或其衍生物与α-烯烃的二聚体的协同组合,可以提高石油中间馏分燃料如加热油或柴油燃料的低温过滤性, 这种二聚体的聚合物,或烷基化芳族化合物如烷基化二苯基或烷基化二苯醚。 烯烃二聚体是具有16至40个碳原子的α-烯烃。 烷基化芳族化合物上的烷基衍生自C16-C50烯烃或C16-C40α-烯烃的二聚体。 本发明特别有利于在低温下改善柴油燃料通过精细过滤器的流动。

    Removing water haze from distillate fuels
    16.
    发明授权
    Removing water haze from distillate fuels 失效
    从馏出燃料中清除水雾

    公开(公告)号:US4002558A

    公开(公告)日:1977-01-11

    申请号:US651405

    申请日:1976-01-22

    Inventor: Nicholas Feldman

    CPC classification number: C10G33/04 F02B3/06

    Abstract: Undesirable haze that occurs in a distillate fuel, such as a diesel fuel, a jet fuel or a heating oil, as a result of emulsion formation with slight traces of water, is removed from the fuel by adding to and simply mixing with the fuel a small amount of an inorganic halide or nitrate of calcium, magnesium, cadmium, copper or nickel dissolved in a water-miscible, fuel-immiscible aliphatic monohydric or polyhydric alcohol or glycol ether.

    Abstract translation: 由于通过添加并简单地与燃料混合而从燃料中除去由于具有轻微痕量的水的乳液形成而在蒸馏燃料(例如柴油燃料,喷气燃料或加热油)中发生的不希望的雾霾 少量的溶解在与水混溶的燃料不混溶脂肪族一元醇或多元醇或二醇醚中的钙,镁,镉,铜或镍的无机卤化物或硝酸盐。

    Zirconium additives for residual fuel oil
    19.
    发明授权
    Zirconium additives for residual fuel oil 失效
    用于残余燃料油的锆添加剂

    公开(公告)号:US4297110A

    公开(公告)日:1981-10-27

    申请号:US135994

    申请日:1980-03-31

    Inventor: Nicholas Feldman

    CPC classification number: C10L10/02 C10L1/188 C10L1/1881 C10L1/1886 C10L1/1888

    Abstract: Zirconium salts of carboxylic acids as additives in residual fuel oil to reduce particulate emission. The additives are especially effective in decreasing particulate emission in the combustion of No. 6 fuel oil, to aid in meeting current particulate emission standards.

    Abstract translation: 羧酸的锆盐作为残余燃料油中的添加剂以减少颗粒物排放。 添加剂在减少6号燃料油燃烧中的微粒排放方面特别有效,有助于满足目前的微粒排放标准。

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