专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

EP0785178B1 PROCESS FOR PRODUCING AROMATIC HYDROCARBON 有权
标题翻译：用于生产芳烃
公开(公告)号：EP0785178B1
公开(公告)日：1999-03-24
申请号：EP95920223.5
申请日：1995-05-31
申请人： Sanyo Petrochemical Co. Ltd.
发明人： KIYAMA, Kazuyoshi , TSUNODA, Takashi , KAWASE, Masatsugu
IPC分类号： C07C15/02 , C07C2/76 , C07C4/06 , C07C5/41 , C10G35/095 , C10L1/04 , B01J29/40
CPC分类号： C10G69/08 , C07C2/00 , C07C2521/04 , C07C2523/06 , C07C2529/04 , C07C2529/06 , C07C2529/40 , C10G35/095 , C10G45/64 , C10G50/00 , C10G61/04 , C07C15/00

2. 发明授权

EP0671212B1 METHOD OF PARTIAL DEALUMINIZATION OF ZEOLITIC CATALYST 有权
标题翻译： ZEOLITIC催化剂的部分脱铝方法
公开(公告)号：EP0671212B1
公开(公告)日：2000-05-17
申请号：EP94927830.3
申请日：1994-09-30
申请人： Sanyo Petrochemical Co. Ltd.
发明人： TSUNODA, Takashi , KIYAMA, Kazuyoshi , KAWASE, Masatsugu
IPC分类号： B01J29/40 , B01J29/06 , B01J37/10
CPC分类号： B01J29/06 , B01J2229/16

3. 发明公开

EP0671212A1 METHOD OF PARTIAL DEALUMINIZATION OF ZEOLITIC CATALYST 有权
标题翻译： ZEOLITIC催化剂的部分脱铝方法
公开(公告)号：EP0671212A1
公开(公告)日：1995-09-13
申请号：EP94927830.3
申请日：1994-09-30
申请人： Sanyo Petrochemical Co. Ltd.
发明人： TSUNODA, Takashi , KIYAMA, Kazuyoshi , KAWASE, Masatsugu
IPC分类号： B01J29/40 , B01J29/06 , B01J37/10
CPC分类号： B01J29/06 , B01J2229/16
摘要： A method of partial dealuminization of a zeolitic catalyst by steaming, which comprises passing steam through a zeolitic catalyst bed in a reactor to bring the catalyst into contact with the steam for 0.1 to 50 hours under the temperature distribution condition that satisfies the following requisites (1) and (2): (1) 500 °C ≦ To ≦ T ≦ T₂ ≦ 700 °C; To: temperature of feed steam (°C); T₂: maximum temperature of catalyst bed (°C); T: average temperature of catalyst bed (°C); T = (a), Ti: time-averaged catalyst temperature of i-th block when catalyst bed is divided into n equal blocks along the direction of steam passage (°C). (2) cv( (T) x 1,000 ≦ 10 ; cv (T) : coefficient of variation of time-averaged catalyst temperature; cv (T) = s (T) /T ; s (T) : standard deviation of time-averaged catalyst temperature; s (T) ²: dispersion of time-averaged catalyst temperature; S (T) ² = (b) . The invention method provides a zeolitic catalyst which has a uniform catalytic activity and can retain its activity stably for long when used as a catalyst.
摘要翻译：一种通过汽蒸使沸石催化剂部分脱铝的方法，该方法包括使蒸汽通过反应器中的沸石催化剂床，使催化剂与蒸汽在满足以下条件的温度分布条件下接触0.1至50小时（1 ）和（2）：（1）500℃≤T≤T≤T2≤700℃; To：进料蒸汽温度（°C）; T 2：催化剂床的最高温度（℃）; T：催化剂床的平均温度（℃）; T =（a），Ti：当沿着蒸汽通道方向（℃）将催化剂床分成n等块时，第i块的时间平均催化剂温度。（2）cv（（T）×1,000≤10; cv（T）：时间平均催化剂温度的变化系数; cv（T）= s（T）/ T; s（T）平均催化剂温度; s（T）2：时间平均催化剂温度的分散度; S（T）2 =（b）本发明方法提供了一种具有均匀催化活性并能长时间稳定保持其活性的沸石催化剂用作催化剂。

4. 发明公开

EP0785178A1 PROCESS FOR PRODUCING AROMATIC HYDROCARBON 有权
标题翻译： VERFAHREN ZUR HERSTELLUNG VON AROMATISCHEN KOHLENWASSERSTOFFEN
公开(公告)号：EP0785178A1
公开(公告)日：1997-07-23
申请号：EP95920223.5
申请日：1995-05-31
申请人： Sanyo Petrochemical Co. Ltd.
发明人： KIYAMA, Kazuyoshi , TSUNODA, Takashi , KAWASE, Masatsugu
IPC分类号： C07C15/02 , C07C2/76 , C07C4/06 , C07C5/41 , C10G35/095 , C10L1/04 , B01J29/40
CPC分类号： C10G69/08 , C07C2/00 , C07C2521/04 , C07C2523/06 , C07C2529/04 , C07C2529/06 , C07C2529/40 , C10G35/095 , C10G45/64 , C10G50/00 , C10G61/04 , C07C15/00
摘要： Disclosed is a method for producing aromatic hydrocarbons, which comprises contacting a light hydrocarbon feedstock comprising olefins and/or paraffins with a zeolite catalyst in a fixed-bed, adiabatic reactor containing a fixed catalyst bed comprised of the zeolite catalyst, to thereby effect a catalytic cyclization reaction of the light hydrocarbon feedstock, wherein the catalytic cyclization reaction is performed under conditions which satisfy the following requirements: (1) the zeolite catalyst has an initial stage-catalytic activity of 0.2 (sec -1 ) or more in terms of the initial stage, first-order reaction rate constant of the decomposition of n-hexane catalyzed by the zeolite catalyst; (2) the catalyst bed has a temperature of from 450 °C to 650 °C; (3) the catalyst bed exhibits a temperature distribution with respect to the distance from an inlet to an outlet of the catalyst bed, wherein the temperature distribution has at least one maximum temperature value; and (4) the temperature of the outlet of the catalyst bed is ±40 °C relative to the temperature of the inlet of the catalyst bed. By the method of the present invention, not only can aromatic hydrocarbons be produced in high yield, but also the lowering of the catalytic activity is small, so that the production of aromatic hydrocarbons can be stably conducted for a prolonged period of time.
摘要翻译：公开了一种生产芳烃的方法，其包括在包含由沸石催化剂组成的固定催化剂床的固定床绝热反应器中使包含烯烃和/或链烷烃的轻烃原料与沸石催化剂接触，从而进行催化轻烃原料的环化反应，其中催化环化反应在满足以下要求的条件下进行：（1）沸石催化剂的初始阶段催化活性为0.2（秒-1）以上，初始阶段，沸石催化剂催化正己烷分解的一级反应速率常数; （2）催化剂床的温度为450〜650℃; （3）催化剂床相对于从催化剂床的入口到出口的距离呈现温度分布，其中温度分布具有至少一个最大温度值; 和（4）催化剂床的出口温度相对于催化剂床入口的温度为+/- 40℃。通过本发明的方法，不仅以高产率生产芳族烃，而且催化活性的降低也很小，从而能够长时间稳定地进行芳烃的生产。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式