Oxidation of methane to methanol
    52.
    发明授权
    Oxidation of methane to methanol 失效
    甲烷氧化成甲醇

    公开(公告)号:US4982023A

    公开(公告)日:1991-01-01

    申请号:US422365

    申请日:1989-10-16

    IPC分类号: C07C29/50

    CPC分类号: C07C29/50

    摘要: A marked improvement in yield, in selectivity or in both is obtained in the synthesis of methanol by the homogeneous direct partial oxidation of natural gas or other source of methane when the reactor space is filled with inert, refractory inorganic particles.

    摘要翻译: 当反应器空间填充有惰性耐火无机颗粒时,通过天然气或其他甲烷源的均匀直接部分氧化在甲醇的合成中获得了产率,选择性或二者的明显改善。

    Process for dewaxing hydrocarbon feedstock
    53.
    发明授权
    Process for dewaxing hydrocarbon feedstock 失效
    脱蜡烃原料的方法

    公开(公告)号:US4808296A

    公开(公告)日:1989-02-28

    申请号:US18112

    申请日:1987-02-24

    IPC分类号: C10G45/64 C10G47/20 C10G45/54

    CPC分类号: C10G45/64

    摘要: The present invention is a catalyst composition and method for dewaxing a wax-containing hydrocarbon feedstock which includes a zeolite characterized by a silica-to-alumina ratio from about 12 to about 200, a Constraint Index of from about 1 to about 12, and an alpha value of not more than about 50, in combination with a Group VIII metal hydrogenation-dehydrogenation component.

    摘要翻译: 本发明是一种用于脱蜡含蜡烃原料的催化剂组合物和方法,其包括以二氧化硅与氧化铝的比为约12至约200,约束指数为约1至约12的沸石和 α值不超过约50,与VIII族金属氢化脱氢组分组合。

    Delayed coking process
    57.
    发明授权
    Delayed coking process 失效
    延迟焦化工艺

    公开(公告)号:US4302324A

    公开(公告)日:1981-11-24

    申请号:US163835

    申请日:1980-06-27

    IPC分类号: C10B55/02 C10G9/14

    CPC分类号: C10B55/02

    摘要: A delayed coking process in which part of the coke produced is heated by partial burning and mixed with preheated coker feedstock to raise the temperature of the coking mass present in the coking drums. The rapid heat transfer thus obtained brings about some immediate flashing of volatiles and makes possible higher than usual temperatures in the coking drums. The results are a reduction of residence time in the drums and an increase in the yield of volatile products. Hot coke in excess of that required to heat the feed may be gasified. Thus, resultant net coke yields are lower than the conventional delayed coking process.

    摘要翻译: 延迟焦化方法,其中产生的焦炭的一部分通过部分燃烧加热并与预热的焦化器原料混合,以提高存在于焦化鼓中的焦化物质的温度。 如此获得的快速热传递导致挥发物的一些即时闪蒸,并且使得可能比焦化鼓中的通常温度高。 结果是减少了在鼓中的停留时间和挥发性产物的产率的增加。 超过加热进料所需热焦炭可能气化。 因此,得到的净焦炭产量低于常规的延迟焦化方法。