Method of generating power in a dry low NOx combustion system
    9.
    发明授权
    Method of generating power in a dry low NOx combustion system 失效
    在干燥低NOx燃烧系统中发电的方法

    公开(公告)号:US06324827B1

    公开(公告)日:2001-12-04

    申请号:US08886352

    申请日:1997-07-01

    IPC分类号: F02C324

    CPC分类号: C10L1/02

    摘要: A method of generating power by passing a dimethyl ether-containing fuel to a dry low NOx combustor of a fired turbine-combustor in the presence of an oxygen-containing gas for combustion in the combustor to form flue gas, and then passing the flue gas to the turbine to generate power, wherein the fuel comprises a mixture of dimethyl ether, at least one alcohol and, optionally, a component selected from the group consisting of water and C1-C6 alkanes. The fuel composition used in the inventive method permits a safe and highly efficient operation of a dry low NOx combustion system, while at the same time, minimizing the generation of NOx and carbon monoxide emissions.

    摘要翻译: 一种通过使含二甲醚的燃料在燃烧的涡轮机燃烧器的干燥低NOx燃烧器中,在含氧气体存在下在燃烧器中燃烧以形成烟道气,然后通过烟气 到所述涡轮机以产生动力,其中所述燃料包括二甲醚,至少一种醇和任选的选自水和C 1 -C 6烷烃的组分的混合物。 在本发明方法中使用的燃料组合物允许干燥的低NOx燃烧系统的安全和高效的操作,同时使NOx和一氧化碳排放的产生最小化。

    Process for producing terephthalic acid
    10.
    发明授权
    Process for producing terephthalic acid 有权
    对苯二甲酸生产方法

    公开(公告)号:US08884055B2

    公开(公告)日:2014-11-11

    申请号:US13155553

    申请日:2011-06-08

    IPC分类号: C07C51/16 C07C51/265

    摘要: A solid terephthalic acid composition and a process for producing terephthalic acid from para-xylene. The process comprises forming a mixture comprising the para-xylene, a solvent, a bromine source, and a catalyst; and oxidizing the para-xylene by contacting the mixture with an oxidizing agent at oxidizing conditions to produce a solid oxidation product comprising terephthalic acid, para-toluic acid, 4-carboxybenzaldehyde. The solvent comprises a carboxylic acid having from 1 to 7 carbon atoms and an dialkyl imidazolium ionic liquid; and the catalyst comprises at least one of cobalt, titanium, manganese, chromium, copper, nickel, vanadium, iron, molybdenum, tin, cerium, and zirconium. The solid terephthalic acid composition comprises, less than about 4,000 ppm-wt 4-carboxybenzaldehyde content, and more than about 2,000 ppm-wt a para-toluic acid.

    摘要翻译: 固体对苯二甲酸组合物和由对二甲苯生产对苯二甲酸的方法。 该方法包括形成包含对二甲苯,溶剂,溴源和催化剂的混合物; 并通过在氧化条件下将氧化剂与氧化剂接触来氧化对二甲苯以产生包含对苯二甲酸,对甲苯甲酸,4-羧基苯甲醛的固体氧化产物。 溶剂包括具有1至7个碳原子的羧酸和二烷基咪唑鎓离子液体; 催化剂包括钴,钛,锰,铬,铜,镍,钒,铁,钼,锡,铈和锆中的至少一种。 固体对苯二甲酸组合物包含小于约4,000ppm重量的4-羧基苯甲醛含量和大于约2,000ppm重量的对甲苯甲酸。