Freiberg University of Mining and Technology 1 article published in JoVE Environment A Dual-Functional Electroactive Filter Towards Simultaneously Sb(III) Oxidation and Sequestration Fuqiang Liu1, Fang Li1,2, Chensi Shen1,2, Zhiwei Wang2,3, Wolfgang Sand1,4, Yanbiao Liu1,2 1Textile Pollution Controlling Engineering Center of Ministry of Environmental Protection, College of Environmental Science and Engineering, Donghua University, 2Shanghai Institute of Pollution Control and Ecological Security, 3State Key Laboratory of Pollution Control and Resource Reuse, School of Environmental Science and Engineering, Tongji University, 4Institute of Biosciences, Freiberg University of Mining and Technology A protocol for the rational design of a dual-functional electroactive filter consisting of carbon nanotubes and titanate nanowires is reported and their environmental applications towards Sb(III) oxidation and sequestration is presented.