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Author:

虞璐 (虞璐.)

Indexed by:

incoPat

Abstract:

本发明涉及一种钠基膨润土负载零价铁的制备方法与处理复合污染地下水的应用,其特征是:先在pH值为3的条件下将天然膨润土充分钠化,然后钠基膨润土与铁盐按照一定比例混合均匀,置于三颈烧瓶中;用氢氧化钠碱液调节pH值至11,向三颈烧瓶中滴加过量的硼氢化钠溶液,持续搅拌,反应过程持续通入氮气以保证瓶内处于无氧状态;硼氢化钠滴加完毕后继续搅拌,使其与铁盐充分反应,并负载于膨润土;离心分离并除去上清液,剩余的固体用纯水和无水乙醇各洗三遍,冷冻干燥后获得零价铁钠基膨润土。本发明的钠基膨润土负载零价铁材料对复合污染地下水中铅和五氯酚的去除率最高可达98.0%和96.1%,以期为解决地下水复合污染问题提供现实可行的方法。

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Patent Info :

Type: 发明申请

Patent No.: CN202110462547.3

Filing Date: 2021-04-27

Publication Date: 2021-08-10

Pub. No.: CN113233570A

Applicants: 北京工业大学

Legal Status: 实质审查

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count:

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 1

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