发明名称 |
TOLUENE METHYLATION PROCESS |
摘要 |
A METHOD OF PREPARING A XYLENE PRODUCT IS CARRIED OUT BY PROVIDING A REACTOR CONTAINING A NON-STEAMED, PHOSPHORUS-TREATED ZSM-5-TYPE ZEOLITE CATALYST. THE CATALYST IS CONTACTED WITH A TOLUENE/METHANOL FEED AND A COFEED OF HYDROGEN UNDER REACTOR CONDITIONS SUITABLE FOR THE METHYLATION OF TOLUENE. WATER IS INTRODUCING INTO THE REACTOR DURING THE METHYLATION REACTION UNDER CONDITIONS THAT PROVIDE SUBSTANTIALLY NO STRUCTURAL ALUMINUM LOSS OF THE CATALYST FROM SUCH INTRODUCTION OF WATER. |
申请公布号 |
MY139626(A) |
申请公布日期 |
2009.10.30 |
申请号 |
MY2004PI03979 |
申请日期 |
2004.09.29 |
申请人 |
SAUDI BASIC INDUSTRIES CORPORATION |
发明人 |
ASHIM KUMAR GHOSH;PAMELA HARVEY |
分类号 |
C07C2/68;C07C2/86;C07D |
主分类号 |
C07C2/68 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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