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一种硼钨共掺杂二氧化钛催化剂及其制备方法与应用
InventionUnknown
7Claims · 2 independent
§ Ⅰ
Dossier Overview
Inventor
王蕴杰; 张连红
Filing Date
Sep 5, 2026
Publication Date
Oct 27, 2026
IPC Classification
B01J 23/30 (2006.01)B01J 35/39 (2024.01)C02F 1/30 (2023.01)C02F 1/72 (2023.01)C02F 101/30 (2006.01)C02F 101/36 (2006.01)C02F 101/38 (2006.01)
本发明属于催化剂制备技术领域,公开了一种硼钨共掺杂二氧化钛催化剂及其制备方法与应用,采用溶胶‑凝胶法制备:将无水乙醇与钛酸四丁酯混匀,另将无水乙醇、偏钨酸铵、硼酸混匀,混合两溶液后陈化得溶胶,经乙二醇洗涤、真空干燥得前驱体,再经马弗炉煅烧得到目标催化剂。该催化剂通过硼钨协同掺杂在价带与导带形成杂质能级,缩小禁带宽度,提升比表面积与载流子分离效率,表面有机残留少。其对亚甲基蓝降解率达82%以上,循环使用4次后降解率仍达74%,具备良好活性与稳定性。本发明工艺简单、条件温和、成本低,可规模化生产,适用于光催化降解水体有机污染物,在环境治理领域具有广阔应用前景。
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