以层状α-磷酸锆为插层主体,采用高温固相离子交换插层法制备了Cu2+,K+柱撑的磷酸锆类层柱催化剂,并用XRD,IR和TG等方法对其进行了表征.结果表明,金属离子柱撑的α-磷酸锆类层柱催化剂的层间距由原来的0.76 nm扩撑至0.81 nm,结晶度有所下降.通过甲醇氧化羰基化液相法制备碳酸二甲酯反应,考察了磷酸锆类层柱催化剂的催化性能.在一定的反应条件下,甲醇转化率可达16.7%,碳酸二甲酯选择性可达57%,而且催化剂用量少,结构稳定,对设备腐蚀性小.
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