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勃姆石催化浆态床甲醇脱水制二甲醚

Industrial Catalysis(2015)

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Abstract
以异丙醇铝为原料,采用完全液相法制备勃姆石系列甲醇脱水浆状催化剂,通过 XRD、NH3- TPD和 XPS 等对催化剂的结构和酸性质进行表征,并在浆态床条件下评价其甲醇脱水生成二甲醚的活性,考察水量和酸量对催化剂活性的影响。结果表明,制备的浆状勃姆石催化剂具有良好的活性,相结构为勃姆石。在硝酸与异丙醇铝物质的量比为0.3∶1和水与异丙醇铝物质的量比为50∶1条件下,制备的催化剂活性最高。
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