Inhibition of pyrophoric iron sulfide activity
    1.
    发明授权
    Inhibition of pyrophoric iron sulfide activity 失效
    抑制自发硫化铁活性

    公开(公告)号:US6063347A

    公开(公告)日:2000-05-16

    申请号:US112883

    申请日:1998-07-09

    IPC分类号: C01B17/16 C09K15/04 C01F17/32

    摘要: Methods for inhibiting pyrophoric iron sulfide activity are disclosed. Methods are disclosed for inhibiting the oxidation of iron sulfide to inhibit pyrophoric activity. The methods comprise contacting iron oxides and/or iron sulfide with a liquid, solution, aerosol, or gaseous inhibitor comprising aromatic hydrocarbons such as alkyl substituted benzenes.

    摘要翻译: 公开了抑制自发性硫化铁活性的方法。 公开了抑制硫化铁氧化以抑制发火活性的方法。 所述方法包括使铁氧化物和/或硫化铁与包含芳族烃如烷基取代的苯的液体,溶液,气溶胶或气态抑制剂接触。

    Inhibition of pyrophoric iron sulfide activity
    3.
    发明授权
    Inhibition of pyrophoric iron sulfide activity 失效
    抑制自发硫化铁活性

    公开(公告)号:US06328943B1

    公开(公告)日:2001-12-11

    申请号:US09112882

    申请日:1998-07-09

    IPC分类号: C01B1716

    CPC分类号: C01G49/12

    摘要: Methods for inhibiting pyrophoric iron sulfide activity are disclosed. Methods are disclosed for inhibiting the sulfidation of iron oxides to iron sulfides and/or the oxidation of iron sulfide to inhibit pyrophoric activity. The methods comprise contacting iron oxides and/or iron sulfide with a liquid, solution, aerosol, or gaseous inhibitor comprising alkylamines, arylamines, imines; oxygen-containing compounds such as alcohols, aldehydes, esters, acids and ketones; mixed nitrogen-containing and oxygen-containing compounds such as alkanolamines, non-polymeric amides, hydroxylamines, Mannich products, polyisobutylenesuccinimides, oximes; sulfur-containing compounds and phosphorus-containing compounds.

    摘要翻译: 公开了抑制自发性硫化铁活性的方法。 公开了用于抑制铁氧化物硫化成铁硫化物和/或硫化铁的氧化以抑制发火活性的方法。 所述方法包括使铁氧化物和/或硫化铁与包含烷基胺,芳基胺,亚胺的液体,溶液,气溶胶或气体抑制剂接触; 含氧化合物如醇,醛,酯,酸和酮; 混合的含氮和含氧化合物如烷醇胺,非聚合酰胺,羟胺,曼尼希产品,聚异丁烯琥珀酰亚胺,肟; 含硫化合物和含磷化合物。

    Method for the extraction of iron from liquid hydrocarbons
    5.
    发明授权
    Method for the extraction of iron from liquid hydrocarbons 失效
    从液态烃中提取铁的方法

    公开(公告)号:US5282959A

    公开(公告)日:1994-02-01

    申请号:US851586

    申请日:1992-03-16

    IPC分类号: C10G21/12 C10G17/04

    CPC分类号: C10G21/12

    摘要: A method of extracting iron species from a liquid hydrocarbon medium comprising adding to the medium a composition comprised of an aminocarboxylic acid, methoxypropylamine and a solvent selected from the group consisting of 2-ethylhexanol, cresylic acid, ethylene glycol and hexylene glycol.

    摘要翻译: 从液体烃介质中提取铁物质的方法,包括向该介质中加入由氨基羧酸,甲氧基丙胺和选自2-乙基己醇,甲酚酸,乙二醇和己二醇的溶剂组成的组合物。

    Method for inhibiting fouling in caustic scrubber systems
    6.
    发明授权
    Method for inhibiting fouling in caustic scrubber systems 失效
    抑制苛性碱洗涤系统污染的方法

    公开(公告)号:US5194143A

    公开(公告)日:1993-03-16

    申请号:US793754

    申请日:1991-11-18

    申请人: Paul V. Roling

    发明人: Paul V. Roling

    IPC分类号: C10G70/06

    CPC分类号: C10G70/06 Y10S585/95

    摘要: A method for inhibiting the formation of polymeric based fouling deposits normally formed during the caustic washing to hydrocarbons is disclosed. The method comprises adding an effective amount for the purpose of an acetoacetate ester compound to the caustic wash system.

    摘要翻译: 公开了一种抑制通常在苛性碱洗涤期间形成的聚合物基污垢沉积物形成的方法。 该方法包括将乙酰乙酸酯化合物的有效量添加到苛性碱洗涤系统中。

    Methods of extracting iron species from liquid hydrocarbons
    7.
    发明授权
    Methods of extracting iron species from liquid hydrocarbons 失效
    从液态烃中提取铁物质的方法

    公开(公告)号:US5078858A

    公开(公告)日:1992-01-07

    申请号:US561049

    申请日:1990-08-01

    IPC分类号: C10G21/16 C10G29/22

    CPC分类号: C10G29/22 C10G21/16

    摘要: Methods of extracting iron species, such as iron naphthenate, and iron sulfides, from a liquid hydrocarbon, such as crude oil are disclosed. A chelant selected from oxalic or citric acid is added directly to the liquid hydrocarbon and mixed therewith. Then, wash water is added to form a water in oil emulsion. The emulsion is resolved, with iron laden aqueous phase being separated.

    摘要翻译: 公开了从诸如原油的液体烃中提取铁物质如环烷酸铁和硫化铁的方法。 将选自草酸或柠檬酸的螯合剂直接加入到液体烃中并与其混合。 然后,加入洗涤水以形成油包水乳液。 乳液被分离,含铁的水相被分离。

    Methods and compositions for inhibiting styrene polymerization
    8.
    发明授权
    Methods and compositions for inhibiting styrene polymerization 失效
    抑制苯乙烯聚合的方法和组合物

    公开(公告)号:US4929778A

    公开(公告)日:1990-05-29

    申请号:US361170

    申请日:1989-06-05

    申请人: Paul V. Roling

    发明人: Paul V. Roling

    IPC分类号: C07C7/20

    CPC分类号: C07C7/20

    摘要: Methods and compositions are provided for inhibiting the polymerization of styrene monomer during elevated temperature processing thereof or during storage or shipment of styrene containing product. The compositions comprise a combination of (a) a phenylenediamine compound having at least one N-H bond and (b) a hindered phenol compound. The methods comprise adding from 1-10,000 ppm of the combination to the styrene medium, per one million parts of styrene.

    摘要翻译: 提供了用于在高温处理期间或在含苯乙烯产品的储存或运输期间抑制苯乙烯单体的聚合的方法和组合物。 组合物包含(a)具有至少一个N-H键的苯二胺化合物和(b)受阻酚化合物的组合。 该方法包括每100万份苯乙烯将1-10,000ppm的组合加到苯乙烯介质中。

    Cyclohexanedione oxygen scavengers
    9.
    发明授权
    Cyclohexanedione oxygen scavengers 失效
    环己酮氧清除剂

    公开(公告)号:US5512243A

    公开(公告)日:1996-04-30

    申请号:US420270

    申请日:1995-04-11

    申请人: Paul V. Roling

    发明人: Paul V. Roling

    IPC分类号: C02F1/20

    CPC分类号: C02F1/20 C23F11/10

    摘要: An oxygen scavenger for aqueous mediums is disclosed. The oxygen scavengers comprise cyclohexanediones which, when added to basic aqueous solutions, effectively scavenge oxygen from the aqueous solutions. The oxygen scavenger has particular utility as an oxygen scavenger from water in heating systems such as boilers and heat exchangers.

    摘要翻译: 公开了一种用于水性介质的除氧剂。 氧清除剂包括环己二酮,当加入到碱性水溶液中时,有效地从水溶液中清除氧。 氧气清除剂在诸如锅炉和热交换器的加热系统中作为来自水的除氧剂具有特别的用途。