公开(公告)号：US07419929B2

公开(公告)日：2008-09-02

申请号：US11195003

申请日：2005-08-02

申请人： Kevin P Kelly ,  James R. Butler

发明人： Kevin P Kelly ,  James R. Butler

IPC分类号： B01J20/34

CPC分类号： B01J29/90 ,  B01J29/7057 ,  B01J38/14 ,  C07C2/66 ,  C07C6/126 ,  C07C2529/08 ,  C07C2529/70 ,  Y02P20/584 ,  C07C15/073

摘要： A process for the production of ethylbenzene by the ethylation of benzene in the critical phase over a molecular sieve aromatic alkylation catalyst comprising cerium-promoted zeolite beta. An aromatic feedstock having a benzene content of at least 90 wt. % is supplied into a reaction zone and into contact with the cerium-promoted zeolite beta having a silica/alumina mole ratio within the range of 50-150 and a cerium-aluminum ratio of 0.5-1.5. Ethylene is supplied to the alkylation reaction zone in an amount to provide a benzene/ethylene mole ratio of 1-15. The reaction zone is operated at temperature and pressure conditions in which benzene is in the super critical phase to cause ethylation of the benzene in the presence of the cerium zeolite beta alkylation catalyst. An alkylation product is produced containing ethylbenzene as a primary product with the attendant production of heavier alkylated by-products of no more than 60 wt. % of the ethylbenzene. The critical phase alkylation reaction may be followed by the transalkylation of a polyalkylated aromatic component.

摘要翻译： 通过苯在临界相中的乙基化生成乙苯的方法，该分子筛芳族烷基化催化剂包含铈促进沸石β。 苯含量至少为90wt。％的芳族原料。 将％供给到反应区并与二氧化硅/氧化铝摩尔比在50-150范围内并且铈 - 铝比为0.5-1.5的铈促进沸石β接触。 将乙烯以提供苯/乙烯摩尔比为1-15的量供入烷基化反应区。 反应区在苯处于超临界阶段的温度和压力条件下运行，以在铈沸石β烷基化催化剂存在下引起苯的乙基化。 制备含有乙苯作为主要产物的烷基化产物，伴随产生不超过60重量％的较重烷基化副产物。 ％的乙苯。 临界相烷基化反应之后可以是多烷基化芳族组分的烷基转移。

公开(公告)号：US06933418B2

公开(公告)日：2005-08-23

申请号：US10268390

申请日：2002-10-04

申请人： Kevin P Kelly ,  James R. Butler

发明人： Kevin P Kelly ,  James R. Butler

IPC分类号： C07C2/66 ,  C07C6/12

CPC分类号： B01J29/90 ,  B01J29/7057 ,  B01J38/14 ,  C07C2/66 ,  C07C6/126 ,  C07C2529/08 ,  C07C2529/70 ,  Y02P20/584 ,  C07C15/073

摘要： A process for the production of ethylbenzene by the ethylation of benzene in the critical phase over a molecular sieve aromatic alkylation catalyst comprising cerium-promoted zeolite beta. An aromatic feedstock having a benzene content of at least 90 wt. % is supplied into a reaction zone and into contact with the cerium-promoted zeolite beta having a silica/alumina mole ratio within the range of 50-150 and a cerium-aluminum ratio of 0.5-1.5. Ethylene is supplied to the alkylation reaction zone in an amount to provide a benzene/ethylene mole ratio of 1-15. The reaction zone is operated at temperature and pressure conditions in which benzene is in the super critical phase to cause ethylation of the benzene in the presence of the cerium zeolite beta alkylation catalyst. An alkylation product is produced containing ethylbenzene as a primary product with the attendant production of heavier alkylated by-products of no more than 60 wt. % of the ethylbenzene. The critical phase alkylation reaction may be followed by the transalkylation of a polyalkylated aromatic component.

摘要翻译： 通过苯在临界相中的乙基化生成乙苯的方法，该分子筛芳族烷基化催化剂包含铈促进沸石β。 苯含量至少为90wt。％的芳族原料。 将％供给到反应区并与二氧化硅/氧化铝摩尔比在50-150范围内并且铈 - 铝比为0.5-1.5的铈促进沸石β接触。 将乙烯以提供苯/乙烯摩尔比为1-15的量供入烷基化反应区。 反应区在苯处于超临界阶段的温度和压力条件下运行，以在铈沸石β烷基化催化剂存在下引起苯的乙基化。 制备含有乙苯作为主要产物的烷基化产物，伴随产生不超过60重量％的较重烷基化副产物。 ％的乙苯。 临界相烷基化反应之后可以是多烷基化芳族组分的烷基转移。