Abstract
As the world continues to develop, it faces increasingly serious environmental problems. For wastewater, membrane separation is widely used as an efficient technology. However, less research has been done for applications in harsh environments. Therefore, we proposed a two-dimensional (2D) composite GO/MXene-PPS (GMS) membrane formed by a simple vacuum self-assembly method. The obtained GMS membrane has a typical lamellar structure, and the composite membrane showed great surface wettability to water and organic solvents, as well as high resistance to harsh environments. The composite membranes allow ultra-fast transport of water molecules to reach a high pure water flux of 45.78 Lm-2h-1bar-1, meanwhile ensuring a high rejection rate of 99.99% for many organic dyes such as MB. In addition, the prepared composite membranes exhibited excellent performance in harsh environments such as strong acids/bases and organic solvents, indicating its potential application in dye wastewater purification treatment.
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