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    • 4. 发明申请
    • Process for Removing Sulphur From Liquid Hydrocarbons
    • 从液态碳中除去硫的方法
    • US20110203972A1
    • 2011-08-25
    • US12293767
    • 2007-03-21
    • Gordon John GarganoThomas RuetherFriederike Elisabeth AgelAndreas Bösmann
    • Gordon John GarganoThomas RuetherFriederike Elisabeth AgelAndreas Bösmann
    • C10G29/20C10G17/02C07C7/10
    • C10G53/04C10G21/06C10G21/08C10G27/04C10G53/14
    • A process for the deep desulfurisation of hydrocarbons (HC), in particular Natural Gas Condensate (NGC), and HC comprising diesel, pre-extracted diesel and naphtha, is described which is capable of reducing the sulfur content of these HC from 500 to 30 ppm. The process comprises contacting the hydrocarbon material with an oxidant selected from organic peroxy acids, organic peroxides, inorganic peroxides and mixtures thereof, in at least a stochiometric amount sufficient to oxidise a sulfur compound to a sulfone compound; contacting the hydrocarbon material with an aqueous extractant to allow at least a portion of the oxidised sulfur compounds to be extracted into the aqueous extractant, and separating the hydrocarbon material from the aqueous extractant to give a hydrocarbon material of reduced sulfur content. Optionally, the process may include a second and subsequent extractions with the aqueous extractant to further reduce sulfur content. A final extraction with an IL may be conducted. The invention also provides for substitution of the aqueous extractant with an IL in one or more of the other extraction steps. The extractants and by products generated during f01 oxidation can be recovered by simple distillation techniques.
    • 描述了一种用于烃(HC),特别是天然气冷凝物(NGC)以及包含柴油,预萃取柴油和石脑油的HC的深度脱硫的方法,其能够将这些HC的硫含量从500降低至30 ppm。 该方法包括使烃材料与选自有机过氧酸,有机过氧化物,无机过氧化物及其混合物的氧化剂以至少足以将硫化合物氧化成砜化合物的试剂量使之接触; 使烃材料与水性萃取剂接触以允许将至少一部分氧化的硫化合物萃取到水性萃取剂中,并将烃材料与水性萃取剂分离,得到具有降低的硫含量的烃材料。 任选地,该方法可以包括第二次和随后的萃取水提取物以进一步降低硫含量。 可以进行IL的最终提取。 本发明还提供在一个或多个其它提取步骤中用IL替代含水萃取剂。 在f01氧化期间产生的萃取剂和产物可以通过简单的蒸馏技术回收。
    • 5. 发明授权
    • Process for removing sulphur from liquid hydrocarbons
    • 从液态烃中除去硫的方法
    • US08936719B2
    • 2015-01-20
    • US12293767
    • 2007-03-21
    • John Gargano GordonThomas RuetherFriederike Elisabeth AgelAndreas Bösmann
    • John Gargano GordonThomas RuetherFriederike Elisabeth AgelAndreas Bösmann
    • C10G53/04C10G53/14C10G21/06C10G21/08C10G27/04
    • C10G53/04C10G21/06C10G21/08C10G27/04C10G53/14
    • A process for the deep desulfurisation of hydrocarbons (HC), in particular Natural Gas Condensate (NGC), and HC comprising diesel, pre-extracted diesel and naphtha, is described which is capable of reducing the sulfur content of these HC from 500 to 30 ppm. The process comprises contacting the hydrocarbon material with an oxidant selected from organic peroxy acids, organic peroxides, inorganic peroxides and mixtures thereof, in at least a stochiometric amount sufficient to oxidise a sulfur compound to a sulfone compound; contacting the hydrocarbon material with an aqueous extractant to allow at least a portion of the oxidised sulfur compounds to be extracted into the aqueous extractant, and separating the hydrocarbon material from the aqueous extractant to give a hydrocarbon material of reduced sulfur content. Optionally, the process may include a second and subsequent extractions with the aqueous extractant to further reduce sulfur content. A final extraction with an IL may be conducted. The invention also provides for substitution of the aqueous extractant with an IL in one or more of the other extraction steps. The extractants and by products generated during f01 oxidation can be recovered by simple distillation techniques.
    • 描述了一种用于烃(HC),特别是天然气冷凝物(NGC)以及包含柴油,预萃取柴油和石脑油的HC的深度脱硫的方法,其能够将这些HC的硫含量从500降低至30 ppm。 该方法包括使烃材料与选自有机过氧酸,有机过氧化物,无机过氧化物及其混合物的氧化剂以至少足以将硫化合物氧化成砜化合物的试剂量使之接触; 使烃材料与水性萃取剂接触以允许将至少一部分氧化的硫化合物萃取到水性萃取剂中,并将烃材料与水性萃取剂分离,得到具有降低的硫含量的烃材料。 任选地,该方法可以包括第二次和随后的萃取水提取物以进一步降低硫含量。 可以进行IL的最终提取。 本发明还提供在一个或多个其它提取步骤中用IL替代含水萃取剂。 在f01氧化期间产生的萃取剂和产物可以通过简单的蒸馏技术回收。