一种去除甲醛的凹凸棒石黏土复合催化剂及其制备方法和应用

本发明公开了一种去除甲醛的凹凸棒石黏土复合催化剂及其制备方法和应用，该复合催化剂主要包括复合载体、贵金属组分和活性金属组分，所述复合载体主要由以下重量份原料所制成：凹凸棒石黏土30-45份、金属氧化物25-35份、聚丙烯酸丁酯8-15份、甲基纤维素3-8份、脂肪酸二乙醇酰胺5-10份、邻苯二甲酸5-10份；所述贵金属组分加入量按贵金属元素质量计占凹凸棒石黏土质量的0.0005-0.001％，所述活性金属组分加入量按活性金属元素质量计占凹凸棒石黏土质量的0.01-0.02％。本发明制备的复合催化剂，比表面大，结构稳定，光催化性能好，可以有效去除环境中甲醛，制备方法简单方便，可以应用于工业化生产。 The invention discloses an attapulgite clay composite catalyst for removing formaldehyde and a preparation method and application thereof. The composite catalyst is mainly prepared from a composite carrier, precious metal components and active metal components; the composite carrier is mainly prepared from the following raw materials in part by weight: 30-45 parts of attapulgite clay, 25-35 partsof metal oxide, 8-15 parts of polybutyl acrylate, 3-8 parts of methylcellulose, 5-10 parts of fatty acid diethanolamide, and 5-10 parts of phthalandione; the precious metal component adding amount occupies 0.0005-0.001% of the mass of the attapulgite clay based on the mass of the precious metal element, and the adding amou