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    • 4. 发明授权
    • Reformulated-gasoline production
    • 重组汽油生产
    • US5200059A
    • 1993-04-06
    • US796519
    • 1991-11-21
    • Paula L. BogdanR. Joe LawsonJ. W. Adriaan Sachtler
    • Paula L. BogdanR. Joe LawsonJ. W. Adriaan Sachtler
    • C10G59/00C10L1/02
    • C10L1/023C10G59/00
    • A process combination is disclosed to reduce the aromatics content and increase the oxygen content of a key component of gasoline blends. A naphtha feedstock having a boiling range usually suitable as catalytic-reforming feed is processed by selective isoparaffin synthesis to yield lower-molecular weight hydrocarbons including a high yield of isobutane. The isobutane is processed to yield an ether component by dehydrogenation and etherification. The cracked light naphtha may be upgraded by isomerization. The heavier portion of the cracked naphtha is processed in a reformer. A gasoline component containing oxygen as ether and having a reduced aromatics content and increased volumetric yield relative to reformate of the same octane number is blended from the net products of the above processing steps. The process combination is particularly suited for use in an existing refinery.
    • 公开了一种方法组合以减少芳族化合物含量并增加汽油混合物的关键组分的氧含量。 具有通常适合作为催化重整进料的沸点的石脑油原料通过选择性异链烷烃合成进行加工,以产生包括高产率的异丁烷的低分子量烃。 处理异丁烷以通过脱氢和醚化产生醚组分。 裂解轻石脑油可以通过异构化升级。 裂解石脑油的较重部分在重整器中进行处理。 从上述处理步骤的净产品中混合含有氧作为醚并且相对于相同辛烷值的重整产物具有降低的芳族化合物含量和增加的体积产率的汽油组分。 该工艺组合特别适用于现有炼油厂。
    • 5. 发明授权
    • Reformulated-gasoline production
    • 重组汽油生产
    • US5198097A
    • 1993-03-30
    • US796101
    • 1991-11-21
    • Paula L. BogdanR. Joe LawsonJ. W. Adriaan Sachtler
    • Paula L. BogdanR. Joe LawsonJ. W. Adriaan Sachtler
    • C10G59/00C10L1/02
    • C10L1/023C10G59/00
    • A process combination is disclosed to reduce the aromatics content and increase the oxygen content of a key component of gasoline blends. A naphtha feedstock having a boiling range usually suitable as catalytic-reforming feed is processed by selective isoparaffin synthesis to yield lower-molecular weight hydrocarbons including a high yield of isobutane. A portion of the isobutane is processed to yield an ether component by dehydrogenation to yield isobutene followed by etherification. Part of the isobutane and isobutene are alkylated to produce an alkylate component. The synthesis light naphtha may be upgraded by isomerization. The heavier portion of the synthesis naphtha is processed in a reformer. A gasoline component containing oxygen as ether and having a reduced aromatics content and increased volumetric yield relative to reformate of the same octane number is blended from the net products of the above processing steps.
    • 公开了一种方法组合以减少芳族化合物含量并增加汽油混合物的关键组分的氧含量。 具有通常适合作为催化重整进料的沸点的石脑油原料通过选择性异链烷烃合成进行加工,以产生包括高产率的异丁烷的低分子量烃。 处理一部分异丁烷以通过脱氢产生醚组分以产生异丁烯,接着进行醚化。 将异丁烷和异丁烯的一部分烷基化以产生烷基化物组分。 合成轻石脑油可通过异构化升级。 合成石脑油的较重部分在重整器中进行处理。 从上述处理步骤的净产品中混合含有氧作为醚并且相对于相同辛烷值的重整产物具有降低的芳族化合物含量和增加的体积产率的汽油组分。