公开(公告)号：US08304582B2

公开(公告)日：2012-11-06

申请号：US12594006

申请日：2008-03-27

申请人： Zheng Li ,  Qiang Fu ,  Chaogang Xie ,  Minggang Li ,  Anguo Mao ,  Lisheng Li ,  Genquan Zhu ,  Fengmei Zhang ,  Yi bin Luo

发明人： Zheng Li ,  Qiang Fu ,  Chaogang Xie ,  Minggang Li ,  Anguo Mao ,  Lisheng Li ,  Genquan Zhu ,  Fengmei Zhang ,  Yi bin Luo

IPC分类号： C07C41/09 ,  C07C43/04 ,  F27B15/08

CPC分类号： B01J29/90 ,  B01J29/005 ,  B01J29/088 ,  B01J29/46 ,  B01J29/85 ,  B01J2229/42 ,  C07C41/09 ,  Y02P20/584 ,  Y02P20/588 ,  C07C43/043

摘要： The present invention provides a fluidized catalytic process for production of dimethyl ether from methanol, wherein said process is carried out in a reactor in which the catalyst is in a fluidized state. Said process comprises the following steps of (1) feeding the methanol feedstock via two or more locations selected from the bottom, lower part, middle part and upper part of the reactor, contacting with the catalyst for preparation of dimethyl ether by methanol dehydration, carrying out the reaction of preparing dimethyl ether by methanol dehydration to obtain the reaction stream, separating said reaction stream to obtain a coked catalyst and a crude product primarily containing the target product, i.e. dimethyl ether; (2) totally or partially feeding the coked catalyst obtained in step (1) into a regenerator in a continuous or batch manner for regeneration via coke-burning, the regenerated catalyst being directly recycled to step (1) after being totally or partially cooled.

摘要翻译： 本发明提供了一种用于从甲醇生产二甲醚的流化催化方法，其中所述方法在催化剂处于流化状态的反应器中进行。 所述方法包括以下步骤：（1）经由选自反应器的底部，底部，中部和上部的两个或多个位置进料甲醇原料，与甲醇脱水制备二甲醚的催化剂接触，携带 通过甲醇脱水制备二甲醚以获得反应流的反应，分离所述反应流，得到主要含有目标产物（即二甲醚）的焦化催化剂和粗产物; （2）将在步骤（1）中获得的焦化催化剂全部或部分地以连续或间歇方式进料到再生器中，以通过焦炭燃烧再生，再生催化剂在全部或部分冷却后直接再循环到步骤（1）。

公开(公告)号：US20100076227A1

公开(公告)日：2010-03-25

申请号：US12594006

申请日：2008-03-27

申请人： Zheng Li ,  Qiang Fu ,  Chaogang Xie ,  Minggang Li ,  Anguo Mao ,  Lisheng Li ,  Genquan Zhu ,  Fengmei Zhang ,  Yinbin Luo

发明人： Zheng Li ,  Qiang Fu ,  Chaogang Xie ,  Minggang Li ,  Anguo Mao ,  Lisheng Li ,  Genquan Zhu ,  Fengmei Zhang ,  Yinbin Luo

IPC分类号： C07C41/09

CPC分类号： B01J29/90 ,  B01J29/005 ,  B01J29/088 ,  B01J29/46 ,  B01J29/85 ,  B01J2229/42 ,  C07C41/09 ,  Y02P20/584 ,  Y02P20/588 ,  C07C43/043

摘要： The present invention provides a fluidized catalytic process for production of dimethyl ether from methanol, wherein said process is carried out in a reactor in which the catalyst is in a fluidized state. Said process comprises the following steps of (1) feeding the methanol feedstock via two or more locations selected from the bottom, lower part, middle part and upper part of the reactor, contacting with the catalyst for preparation of dimethyl ether by methanol dehydration, carrying out the reaction of preparing dimethyl ether by methanol dehydration to obtain the reaction stream, separating said reaction stream to obtain a coked catalyst and a crude product primarily containing the target product, i.e. dimethyl ether; (2) totally or partially feeding the coked catalyst obtained in step (1) into a regenerator in a continuous or batch manner for regeneration via coke-burning, the regenerated catalyst being directly recycled to step (1) after being totally or partially cooled.

摘要翻译： 本发明提供了一种用于从甲醇生产二甲醚的流化催化方法，其中所述方法在催化剂处于流化状态的反应器中进行。 所述方法包括以下步骤：（1）经由选自反应器的底部，底部，中部和上部的两个或多个位置进料甲醇原料，与甲醇脱水制备二甲醚的催化剂接触，携带 通过甲醇脱水制备二甲醚以获得反应流的反应，分离所述反应流，得到主要含有目标产物（即二甲醚）的焦化催化剂和粗产物; （2）将在步骤（1）中获得的焦化催化剂全部或部分地以连续或间歇方式进料到再生器中，以通过焦炭燃烧再生，再生催化剂在全部或部分冷却后直接再循环到步骤（1）。

公开(公告)号：US06211104B1

公开(公告)日：2001-04-03

申请号：US09172649

申请日：1998-10-15

申请人： Zhicheng Shi ,  Fengmei Zhang ,  Shunhua Liu

发明人： Zhicheng Shi ,  Fengmei Zhang ,  Shunhua Liu

IPC分类号： B01J2906

CPC分类号： B01J29/80 ,  B01J29/084 ,  B01J29/40 ,  B01J2229/26 ,  B01J2229/42 ,  C10G11/05

摘要： A catalyst for catalytic pyrolysis process for the production of light olefins comprises 10˜70 wt % (based on the weight of catalyst) of clay, 5˜85 wt % of inorganic oxides and 1-50 wt % zeolite, wherein said zeolite is a mixture of 0˜25 wt % of Y type zeolite and 75˜100 wt % of phosphorus and aluminum or phosphorus and magnesium or phosphorus and calcium containing high silica zeolite having a structure of pentasil; said pentasil high silica zeolite being one selected from the group consisting of ZSM-5, ZSM-8 and ZSM-11 of zeolites containing 2˜8 wt % of phosphorus and 0.3˜3 wt % of aluminum or magnesium or calcium (calculated as the oxides), having a silica/alumina mole ratio of 15-60. The catalyst exhibits excellent activity stability and high yields of light olefin, especially for C2=. It can at the same level of yields of light olefins as that of steam thermal cracking at a lower reaction temperature than that of steam thermal cracking.

摘要翻译： 用于生产轻质烯烃的催化裂解方法的催化剂包括10〜70重量％（基于催化剂重量）的粘土，5〜85重量％的无机氧化物和1-50重量％的沸石，其中所述沸石为 0〜25重量％的Y型沸石和75〜100重量％的磷和铝或磷和镁或磷和含钙高的二氧化硅沸石的混合物具有pentasil结构; 所述pentasil高二氧化硅沸石是选自ZSM-5，ZSM-8和ZSM-11的沸石，ZSM-5，ZSM-8和ZSM-11含有2〜8wt％的磷和0.3〜3wt％的铝或镁或钙（以 氧化物），二氧化硅/氧化铝摩尔比为15-60。 该催化剂表现出优异的活性稳定性和高产率的轻烯烃，特别是对于C2 =。 在低于蒸汽热裂解反应温度的反应温度下，它可以与轻质烯烃的产率相同。

公开(公告)号：US06596156B1

公开(公告)日：2003-07-22

申请号：US09914909

申请日：2001-09-05

申请人： Fengmei Zhang ,  Yucming Liu ,  Xingtian Shu ,  Weidong Wang ,  Fengming Qin

发明人： Fengmei Zhang ,  Yucming Liu ,  Xingtian Shu ,  Weidong Wang ,  Fengming Qin

IPC分类号： C01B3954

CPC分类号： C01B37/08 ,  B01J29/85 ,  B01J37/0009 ,  C10G45/64

摘要： A SAPO-11 silicoaluminopihosphate molecular sieve, its preparation method, and a catalyst containing the same are disclosed. The X-ray diffraction data of the molecular sieve before removing the template by calcination are as listed in Table 1. The molar composition of this molecular sieve after removing the template by calcination expressed in anhydrous oxides is Al2O3: yP2O5: zSiO2, in which y has a value of 0.60-1.20, and z has a value of 0.05-1.3, characterized in that after removing the template by calcination, its X-ray diffraction data are as listed in Table 3, and that the crystal structures of the molecular sieve before and after removing the template by calcination are substantially the same. The catalyst is composed of 10-85% by weight of said SAPO-11 molecular sieve, 0.05-1.5% by weight of Pd or Pt, and the balance is alumina. In comparison with similar catalysts in the prior art, when the catalyst of this invention is applied in the reaction of hydrocarbon hydroisomerization, both selectivity and product yield for isomerization are remarkably increased.

摘要翻译： 公开了SAPO-11硅铝磷酸盐分子筛及其制备方法和含有它们的催化剂。 通过煅烧除去模板之前的分子筛的X射线衍射数据如表1所示。通过以无水氧化物表示的煅烧除去模板后的该分子筛的摩尔组成为Al 2 O 3：yP 2 O 5 :zSiO 2，其中y 的值为0.60-1.20，z为0.05-1.3，其特征在于，通过煅烧除去模板后，其X射线衍射数据如表3所示，分子筛的晶体结构 通过煅烧除去模板前后基本相同。 催化剂由10-85重量％的所述SAPO-11分子筛，0.05-1.5重量％的Pd或Pt组成，余量为氧化铝。 与现有技术中的类似催化剂相比，当本发明的催化剂用于烃加氢异构化反应时，异构化的选择性和产率均显着提高。

公开(公告)号：US6080698A

公开(公告)日：2000-06-27

申请号：US154581

申请日：1998-09-17

申请人： Fengmei Zhang ,  Xingtian Shu ,  Zhicheng Shi ,  Weidong Wang ,  Fengming Qin ,  Xieqing Wang

发明人： Fengmei Zhang ,  Xingtian Shu ,  Zhicheng Shi ,  Weidong Wang ,  Fengming Qin ,  Xieqing Wang

IPC分类号： B01J29/42 ,  B01J29/40 ,  B01J29/48 ,  C01B39/36 ,  C01B39/38 ,  C10G11/05

CPC分类号： C10G11/05 ,  B01J29/40 ,  B01J2229/36 ,  C10G2400/20

摘要： A molecular sieve containing composition, which can be applied in catalytic cracking reaction for producing more ethylene and propylene, and its preparation method. The composition contains a pentasil-type molecular sieve having a SiO.sub.2 /Al.sub.2 O.sub.3 molar ratio of 15-60, prepared by activation and modification with phosphorus, alkaline earth metal and transition metal. The composition essentially includes 85.about.98% wt of pentasil-type molecular sieve, 1.about.10% wt of P.sub.2 O.sub.5, 0.3.about.5% wt of alkaline earth oxide, and 0.3.about.5% wt of transition metal oxide. The molecular sieve structure and active centers have high thermal and hydrothermal stability. The salient feature of this composition is that when applied as an active component of cracking catalyst for catalytic pyrolysis process, the yield of ethylene is above 18% and the total yield of ethylene and propylene is more than 40%.

摘要翻译： 一种含分子筛的组合物及其制备方法，可用于催化裂化反应生产更多的乙烯和丙烯。 该组合物含有通过用磷，碱土金属和过渡金属的活化和改性制备的SiO 2 / Al 2 O 3摩尔比为15-60的pentasil型分子筛。 该组合物基本上包含85％的pentinil型分子筛98％wt，10％wt的P2O5，0.3％的5％wt的碱土金属氧化物和0.3％的5％wt的过渡金属氧化物。 分子筛结构和活性中心具有较高的热和水热稳定性。 该组合物的显着特点是当作为催化裂解工艺的裂化催化剂的活性组分使用时，乙烯的产率高于18％，乙烯和丙烯的总产率大于40％。

公开(公告)号：US5600050A

公开(公告)日：1997-02-04

申请号：US355877

申请日：1994-12-14

申请人： Zhiyuan Huang ,  Suxian Tian ,  Yali Xu ,  Bin Zhu ,  Weidong Wang ,  Fengmei Zhang ,  Xie Wang

发明人： Zhiyuan Huang ,  Suxian Tian ,  Yali Xu ,  Bin Zhu ,  Weidong Wang ,  Fengmei Zhang ,  Xie Wang

IPC分类号： C07C2/66 ,  C07C6/12 ,  C07C2/70

CPC分类号： C07C6/126 ,  C07C2/66 ,  C07C2521/04 ,  C07C2529/70

摘要： Disclosed is a modified zeolite catalyst for the liquid phase alkylation and transalkylation of benzene comprising 30 to 70% by weight of H-beta zeolite with a silicon to aluminium ratio of 20 to 40; 0.5 to 10% by weight of halogen; and .gamma.-Al.sub.2 O.sub.3 of the balance. Also disclosed a method for preparing the said catalyst comprising adding a halogen-containing compound to a mixture of H-beta zeolite and a precursor of .gamma.-Al.sub.2 O.sub.3, forming followed by calcining.

摘要翻译： 公开了用于苯的液相烷基化和烷基转移的改性沸石催化剂，其包含30至70重量％的硅铝比为20至40的H-β沸石; 0.5〜10重量％的卤素; 和余量的γ-Al2O3。 还公开了一种制备所述催化剂的方法，包括向H-β沸石和γ-Al 2 O 3的前体的混合物中加入含卤素化合物，随后煅烧形成。