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Author:

章启军 (章启军.) | 吴玉锋 (吴玉锋.) (Scholars:吴玉锋) | 李彬 (李彬.) | 左铁镛 (左铁镛.) (Scholars:左铁镛)

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incoPat zhihuiya

Abstract:

一种从废SCR催化剂中绿色回收再生Fe2O3/TiO2光催化剂的方法,属于固体危废资源化技术领域。包括以下步骤:(1)废SCR催化剂的预处理;(2)NaOH‑H2O高温碱熔活化,获得亚稳态的α‑Na2TiO3;(3)水浸处理,获得α‑Na2TiO3富集渣;(4)酸浸处理,溶解α‑Na2TiO3富集渣,过滤以进一步纯化含钛溶液;(5)水热再生。本发明建立了废SCR催化剂中钛组份的绿色清洁回收工艺方法,同时利用其含有的大量TiO2组份来制备出纳米TiO2产品,不仅可以避免废SCR催化剂中有价元素的资源浪费和环境二次污染,还可形成废SCR催化剂循环利用的产业链条,显著降低TiO2纳米材料的制备成本。

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Patent Info :

Type: 发明授权

Patent No.: CN201710716895.2

Filing Date: 2017-08-21

Publication Date: 2023-04-07

Pub. No.: CN107583646B

Applicants: 北京工业大学

Legal Status: 授权

Cited Count:

WoS CC Cited Count: 0

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 7

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