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Updated: Jan 20, 2026
The Citric Acid Cycle or The Kreb's Cycle
Citric acid-functionalized graphene oxide membranes with enhanced stability and permeability for high-efficiency
Tianzhu Shi1,2, Zhengfeng Xie1, Xinliang Mo1
1Department of Brewing Engineering, Moutai Institute, Renhuai 564500, China.
None:
GO membranes face challenges in aqueous stability and water permeability due to narrow interlayer spacing. CCA was introduced as a multifunctional intercalator to construct expanded nanochannels between GO nanosheets. The resulting GC-2 membrane achieved a pure water flux of 130.1 L m-2 h-1, six times higher than pure GO, while maintaining >99% rejection of MG and high salt tolerance. The GC-2 membrane also enabled selective separation of dye mixtures, permitting MO permeation while retaining EBT. This work demonstrates a scalable strategy for designing high-flux, high-selectivity membranes applicable to dye recovery and complex wastewater treatment.
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