梯级利用铜刻蚀废酸制备铜负载型多级孔道分子筛的方法

CN118204058BActive Publication Date: 2026-07-17NANJING INST OF ENVIRONMENTAL SCI MINIST OF ECOLOGY & ENVIRONMENT OF THE PEOPLES REPUBLIC OF CHINA
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
NANJING INST OF ENVIRONMENTAL SCI MINIST OF ECOLOGY & ENVIRONMENT OF THE PEOPLES REPUBLIC OF CHINA
Filing Date
2024-04-26
Publication Date
2026-07-17

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Abstract

本发明涉及一种梯级利用铜刻蚀废酸制备铜负载型多级孔道分子筛的方法，包括：取含铜刻蚀废酸液，将原始分子筛加入所述含铜刻蚀废酸液中进行刻蚀，刻蚀结束后通过离心、去离子水洗涤和干燥，获得铜负载型分子筛，使用过的含铜刻蚀废酸液再次用于刻蚀原始分子筛，进行循环使用。本申请以电路板铜刻蚀酸液为前驱液，对原始分子筛进行常温浸渍改性制备脱汞吸附剂，一方面实现了电路板铜刻蚀废酸的高值化、资源化利用，另一方面探索了一种能够快速、精确、简单、规模化制备铜负载型分子筛的方法，同时也拓展了烟气脱汞吸附剂的类型。
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