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    Preparation of polyoxymethylene dimethyl ethers by catalytic conversion of dimethyl ether with formaldehyde formed by oxy-dehydrogenation of dimethyl ether
    2.
    发明授权
    Preparation of polyoxymethylene dimethyl ethers by catalytic conversion of dimethyl ether with formaldehyde formed by oxy-dehydrogenation of dimethyl ether 有权
    通过二甲醚的氧化脱氢形成的二甲醚与甲醛的催化转化制备聚甲醛二甲醚

    公开(公告)号：US5959156A

    公开(公告)日：1999-09-28

    申请号：US190359

    申请日：1998-11-12

    申请人： Gary P. Hagen ,  Michael J. Spangler

    发明人： Gary P. Hagen ,  Michael J. Spangler

    IPC分类号： C07C41/56 ,  C07C43/30 ,  C10L1/02 ,  C07C43/11

    CPC分类号： C10L1/026 ,  C07C41/56 ,  C07C43/30 ,  Y02P20/127

    摘要： A particularly useful process which includes the steps of providing a source of formaldehyde formed by conversion of dimethyl ether in the presence of a catalyst comprising silver as an essential catalyst component; and contacting the source of formaldehyde and a predominately dimethyl ether feedstream with a heterogeneous, condensation promoting catalyst capable of hydrating dimethyl ether under conditions of reaction sufficient to form an effluent comprising water, methanol, formaldehyde, dimethyl ether, and polyoxymethylene dimethyl ethers is disclosed. Unreacted dimethyl ether is recovered from the effluent and recycled to the formation of polyoxymethylene dimethyl ethers. The resulting dimethyl ether-free liquid mixture is heated in the presence of an acidic catalyst to convert at least the methanol and formaldehyde present to polyoxymethylene dimethyl ethers. Advantageously, methylal and higher polyoxymethylene dimethyl ethers are formed and separated in a catalytic distillation column. By including in the column an anion exchange resin, an essentially acid-free product is obtained which can be used directly as a blending component, or fractionated, as by further distillation, to provide more suitable components for blending into diesel fuel.

    摘要翻译： 一种特别有用的方法，其包括以下步骤：在包含银作为必需催化剂组分的催化剂存在下，通过转化二甲醚形成甲醛源; 并且公开了使甲醛源和主要是二甲醚进料流与能够在足以形成包含水，甲醇，甲醛，二甲醚和聚甲醛二甲醚的流出物的反应条件下使二甲醚水合的异相缩合促进催化剂。 从流出物中回收未反应的二甲醚，再循环至形成聚甲醛二甲醚。 将所得的无二甲醚液体混合物在酸性催化剂存在下加热至少将甲醇和甲醛转化为聚甲醛二甲醚。 有利地，甲缩醛和更高级的聚甲醛二甲醚在催化蒸馏塔中形成并分离。 通过在柱中包含阴离子交换树脂，获得基本上不含酸的产物，其可以直接用作共混组分，或通过进一步蒸馏分离，以提供更合适的用于混合到柴油中的组分。

    Lower alkane conversion
    3.
    发明授权
    Lower alkane conversion 失效
    降低烷烃转化率

    公开(公告)号：US5053578A

    公开(公告)日：1991-10-01

    申请号：US477318

    申请日：1990-02-08

    申请人： Glenn O. Michaels ,  Michael J. Spangler

    发明人： Glenn O. Michaels ,  Michael J. Spangler

    IPC分类号： B01J23/04 ,  B01J23/06 ,  B01J23/14 ,  B01J37/03 ,  C07C2/84

    CPC分类号： B01J37/03 ,  B01J23/04 ,  B01J23/06 ,  B01J23/14 ,  C07C2/84 ,  C07C2521/04 ,  C07C2521/10 ,  C07C2523/02 ,  Y10S585/943

    摘要： A method for converting a feedstock alkane containing from 1 to 3 carbon atoms to a higher molecular weight hydrocarbon comprising contacting a feedstock with an oxygen-containing gas in the presence of a catalytic composition is disclosed. The catalytic composition includes a Group IA metal, a Group IIA metal and a third component, the precursor of which is a sol such as an aqueous suspension of a metal such as aluminum, silicon, titanium, zinc, zirconium, cadmium or tin with which the other components of the composition are thoroughly dispersed.

    摘要翻译： 公开了一种将含有1至3个碳原子的原料烷烃转化为较高分子量烃的方法，包括在催化组合物存在下使原料与含氧气体接触。 催化剂组合物包括IA族金属，IIA族金属和第三组分，其前体是诸如铝，硅，钛，锌，锆，镉或锡的金属的水性悬浮液的溶胶，其中 组合物的其它组分被彻底分散。

    Preparation of polyoxymethylene dimethyl ethers by acid-activated catalytic conversion of methanol with formaldehyde formed by dehydrogenation of methanol
    5.
    发明授权
    Preparation of polyoxymethylene dimethyl ethers by acid-activated catalytic conversion of methanol with formaldehyde formed by dehydrogenation of methanol 有权

    公开(公告)号：US06437195B1

    公开(公告)日：2002-08-20

    申请号：US09903224

    申请日：2001-07-11

    申请人： Gary P. Hagen ,  Michael J. Spangler

    发明人： Gary P. Hagen ,  Michael J. Spangler

    IPC分类号： C07C4109

    摘要： A particularly useful process which includes the steps of providing a feedstream comprising methanol, a soluble condensation promoting component capable of activating a heterogeneous acidic catalyst and a source of formaldehyde formed by conversion of methanol in the presence of a catalyst comprising copper and zinc, and heating this feedstream with the heterogeneous acidic catalyst in a catalytic distillation column to convert methanol and formaldehyde present to methylal and higher polyoxymethylene dimethyl ethers and to separate the methylal from the higher polyoxymethylene dimethyl ethers is disclosed. Advantageously, methylal and higher polyoxymethylene dimethyl ethers are formed and separated in a catalytic distillation column. By including within the column a section containing an anion exchange resin, an essentially acid-free product is obtained. Products can be used directly as a blending component, or fractionated, as by further distillation, to provide more suitable components for blending into fuel.

    Preparation of polyoxymethylene dimethyl ethers by catalytic conversion of dimethyl ether with formaldehyde formed by dehydrogenation of dimethyl ether
    6.
    发明授权
    Preparation of polyoxymethylene dimethyl ethers by catalytic conversion of dimethyl ether with formaldehyde formed by dehydrogenation of dimethyl ether 有权
    通过二甲醚与二甲醚脱氢形成的甲醛的催化转化制备聚甲醛二甲醚

    公开(公告)号：US6160186A

    公开(公告)日：2000-12-12

    申请号：US191399

    申请日：1998-11-12

    申请人： Gary P. Hagen ,  Michael J. Spangler

    发明人： Gary P. Hagen ,  Michael J. Spangler

    IPC分类号： C07C41/56 ,  C07C43/11

    CPC分类号： C07C41/56 ,  Y02P20/127 ,  C07C43/30

    摘要： A particularly useful process which includes the steps of providing a source of formaldehyde formed by conversion of dimethyl ether in the presence of a catalyst comprising copper and zinc; and contacting the source of formaldehyde and a predominately dimethyl ether feedstream with a heterogeneous, condensation promoting catalyst capable of hydrating dimethyl ether under conditions of reaction sufficient to form an effluent comprising water, methanol, formaldehyde, dimethyl ether, and polyoxymethylene dimethyl ethers is disclosed. Unreacted dimethyl ether is recovered from the effluent and recycled to the formation of polyoxymethylene dimethyl ethers. The resulting dimethyl ether-free liquid mixture is heated in the presence of an acidic catalyst to convert at least the methanol and formaldehyde present to polyoxymethylene dimethyl ethers. Advantageously, methylal and higher polyoxymethylene dimethyl ethers are formed and separated in a catalytic distillation column. By including in the column an anion exchange resin, an essentially acid-free product is obtained which can be used directly as a blending component, or fractionated, as by further distillation, to provide more suitable components for blending into diesel fuel.

    摘要翻译： 一种特别有用的方法，其包括在包含铜和锌的催化剂存在下提供通过二甲醚转化形成的甲醛源的步骤; 并且公开了使甲醛源和主要是二甲醚进料流与能够在足以形成包含水，甲醇，甲醛，二甲醚和聚甲醛二甲醚的流出物的反应条件下使二甲醚水合的异相缩合促进催化剂。 从流出物中回收未反应的二甲醚，再循环至形成聚甲醛二甲醚。 将所得的无二甲醚液体混合物在酸性催化剂存在下加热至少将甲醇和甲醛转化为聚甲醛二甲醚。 有利地，甲缩醛和更高级的聚甲醛二甲醚在催化蒸馏塔中形成并分离。 通过在柱中包含阴离子交换树脂，获得基本上不含酸的产品，其可以直接用作共混组分，或通过进一步蒸馏分离，以提供更合适的用于混合到柴油中的组分。

    Method for producing synthesis gas
    10.
    发明授权
    Method for producing synthesis gas 失效
    合成气的制造方法

    公开(公告)号：US5478370A

    公开(公告)日：1995-12-26

    申请号：US269699

    申请日：1994-07-01

    申请人： Michael J. Spangler

    发明人： Michael J. Spangler

    IPC分类号： C01B3/48 ,  C01B3/16 ,  C01B3/38 ,  C01B3/26

    CPC分类号： C01B3/384 ,  C01B2203/0233 ,  C01B2203/0238 ,  C01B2203/0415 ,  C01B2203/0475 ,  C01B2203/06 ,  C01B2203/061 ,  C01B2203/062 ,  C01B2203/0838 ,  C01B2203/0894 ,  C01B2203/1011 ,  C01B2203/1052 ,  C01B2203/1064 ,  C01B2203/1241

    摘要： The invention provides an improved method for producing synthesis gas from lower alkanes which utilizes molten baths as reactors. A molten metal oxide bath delivers oxygen to a feed stream containing lower alkanes and enhances oxidation of the lower alkanes to produce carbon dioxide and a molten elemental metal. In a molten metal bath, the metal is regenerated to metal oxide by contact with a regenerant such as air. Heat evolved in the molten baths is transferred to an endothermic reactor where a portion of the carbon dioxide is converted to a mixture of carbon oxides and hydrogen.

    摘要翻译： 本发明提供了一种利用熔池作为反应器从低级烷烃生产合成气的改进方法。 熔融金属氧化物浴将氧气输送到含有低级烷烃的进料流，并增强低级烷烃的氧化以产生二氧化碳和熔融元素金属。 在熔融金属浴中，金属通过与再生剂例如空气接触而再生成金属氧化物。 在熔融浴中放出的热量转移到吸热反应器中，其中一部分二氧化碳转化为碳氧化物和氢气的混合物。