利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

618 条记录 (耗时 0.037 秒)

    Tin oxide exhaust catalyst supports and catalysts stable at high temperatures
    61.
    发明授权
    Tin oxide exhaust catalyst supports and catalysts stable at high temperatures 失效
    氧化锡尾气催化剂载体和催化剂在高温下稳定

    公开(公告)号：US07056856B2

    公开(公告)日：2006-06-06

    申请号：US10237844

    申请日：2002-09-09

    申请人： Jerry C. Summers ,  Suresh T. Gulati

    发明人： Jerry C. Summers ,  Suresh T. Gulati

    IPC分类号： B01J23/00

    CPC分类号： B01D53/945 ,  B01J23/14 ,  B01J23/63 ,  B01J37/0215 ,  Y02T10/22

    摘要： A tin-oxide based three-way catalytic material employing precious metals that is stable at exhaust gas temperatures of internal combustion engines when the tin oxide lattice includes any of several rare earth oxide stabilizers in the lanthanide series. The rare-earth elements are the 15 lanthanide elements with atomic numbers 57 through 71 that are in Group IIIA of the Periodic Table: lanthanum, cerium, praseodymium, neodymium, promethium, samarium, europium, gadolinium, terbium, dysprosium, holmium, erbium, thulium, ytterbium, and lutetium. Such tin-oxide based catalytic materials may also beneficially include zirconium oxide and/or yttrium oxide. The invention is useful in providing three-way catalytic exhaust converters for internal combustion engines.

    摘要翻译： 一种氧化锡基三元催化材料，其使用贵金属，当锡氧化物晶格包括镧系元素中的几种稀土氧化物稳定剂中的任何一种时，其在内燃机的废气温度下是稳定的。 稀土元素是元素周期表ⅢA族中15原子数为57〜71的镧系元素：镧，铈，镨，钕，ium，钐，铕，钆，铽，镝，钬，铒， ium，镱和镥。 这种基于氧化锡的催化材料也可有利地包括氧化锆和/或氧化钇。 本发明可用于提供用于内燃机的三元催化排气转化器。

    Sulfur transfer additive for catalytic cracking of hydrocarbons and a catalytic cracking processs of hydrocarbons using the same
    67.
    发明申请
    Sulfur transfer additive for catalytic cracking of hydrocarbons and a catalytic cracking processs of hydrocarbons using the same 失效
    用于烃催化裂化的硫转移添加剂和使用其的烃的催化裂化过程

    公开(公告)号：US20030121824A1

    公开(公告)日：2003-07-03

    申请号：US10292681

    申请日：2002-11-12

    发明人： Longyan Wang ,  Haiqing Guo ,  Wenyi Qi ,  Shuqin Su ,  Xianliang Deng ,  Jinlong Liu ,  Shufang Liu

    IPC分类号： C10G011/00 ,  B01J023/10

    CPC分类号： B01J21/10 ,  B01J23/14 ,  B01J23/18 ,  B01J23/8896 ,  C10G11/00 ,  C10G11/02 ,  C10G11/18

    摘要： The present invention relates to a sulfur transfer additive for catalytic cracking of hydrocarbons and a catalytic cracking process of hydrocarbons using the sulfur transfer additive, said additive is a uniform liquid comprising at least two metal elements selected from the following three classes: a). alkaline earth metals, b). transition metals and P zone metals, and c). rare earth metals, and wherein there are at least two metal elements from the different classes. The present sulfur transfer additive can reduce the SOx content in the regenerator flue gas and the sulfur content in the light oil products at the same time, and has no negative effect on the activity and selectivity of the catalyst in the FCC system.

    摘要翻译： 本发明涉及用于烃的催化裂化的硫转移添加剂和使用硫转移添加剂的烃的催化裂化方法，所述添加剂是包含选自以下三个类别的至少两种金属元素的均匀液体：a）。 碱土金属，b）。 过渡金属和P区金属，和c）。 稀土金属，并且其中存在来自不同类别的至少两种金属元素。 本发明的硫转移添加剂可以同时降低再生器烟气中的SO x含量和轻油产品中的硫含量，对FCC系统中催化剂的活性和选择性没有负面影响。