Catalytic Janus Nanoparticle-Based Recyclable Emulsifiers for Collaborative Treatment of Water-Soluble and Water-Insoluble Organic Pollutants

Sihua Wang; Haipeng Liu; Qiuhua Wu; Yong Shu; Qingwei Wang; Guolin Zhang; Lai Xu; Fuxin Liang

doi:10.1021/acsanm.4c02810

journal article·2024-06-28

Catalytic Janus Nanoparticle-Based Recyclable Emulsifiers for Collaborative Treatment of Water-Soluble and Water-Insoluble Organic Pollutants

Sihua Wang, Haipeng Liu, Qiuhua Wu, Yong Shu, Qingwei Wang, Guolin Zhang, Lai Xu, Fuxin Liang

ACS Applied Nano Materials· Volume 7· Issue 12

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Source abstract

Abstract

Removal of multiple organic pollutants in one port is the target of wastewater treatment. In this study, paramagnetic Janus particles as recyclable and catalytic colloidal surfactants were employed to achieve this goal. In this method, water-insoluble organic pollutants can be stabilized with paramagnetic Janus particles and removed directly by an external magnetic field. Most importantly, water-soluble organic pollutants can be catalyzed into water-insoluble products, transferred to the original water-insoluble organic pollutants, and removed together. Consequently, both water-soluble and water-insoluble organic pollutants in wastewater can be removed in one step. Using water-soluble methyl orange (MO) and water-insoluble n -decane as models, MO was efficiently degraded and the water-insoluble degradation products were transferred into the n -decane phase. Subsequently, 98.6% of MO and 99.9% of n -decane were efficiently removed in one port. This approach represented a general and practical strategy for treating mixtures of multiple organic pollutants in actual organically polluted water.

Source: openalex_inverted_index · Quality: baseline

Research context

Nanomaterials Catalysis & surfaces

OpenAlex topics: Pickering emulsions and particle stabilization

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

Liaoning Provincial Key Laboratory for Green Synthesis and Preparative Chemistry of Advanced Materials, College of Chemistry, Liaoning University, Shenyang 110036, P. R. China

Department of Chemical Engineering, Tsinghua University, Beijing 100084, P. R. China

PetroChina Research Institute of Petroleum Exploration & Development, Beijing 100083, P. R. China

CNPC Research Institute of Safety and Environment Technology, Beijing 102206, P. R. China

State Key Laboratory of Petroleum Pollution Control, China National Petroleum Corporation Research Institute of Safety and Environmental Technology, Beijing 102206, P. R. China

Department of General Surgery, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences, Beijing 100730, P. R. China

Funding

China National Petroleum Corporation · National Key Research and Development Program of China · Beijing Municipal Natural Science Foundation · National Natural Science Foundation of China · State Key Laboratory of Petroleum Pollution Control

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