Liu Lifen patents

• Highly selective acid-resistant polyamide nanofiltration membrane containing troger's base and preparation method thereof

  US-2025249410-A1 · Aug 7, 2025 · US

• ORGANIC SOLVENT ULTRAFILTRATION MEMBRANE OF POLYIMIDE/POLYETHYLENEIMINE@TiO2 WITH HIGH SOLVENT PERMEABILITY AND METHOD OF PRODUCING THE SAME

  US-2025249409-A1 · Aug 7, 2025 · US

• Preparation of a new type of composite anode and microbial fuel cell based on nitrogen doped biological carbon and porous volcanic rocks

  US-10991967-B2 · Apr 27, 2021 · US

• Sand/water remediation method with a photocatalytic fuel cell

  US-10717120-B2 · Jul 21, 2020 · US

• A method using photocatalytic electrode coupled with microbial fuel cell to promote treatment of coking wastewater

  US-2020165148-A1 · May 28, 2020 · US

• High-efficiency bio-electrochemical wastewater treatment system for copper removal

  US-2020062624-A1 · Feb 27, 2020 · US

• Preparation of a new type of composite anode and microbial fuel cell based on nitrogen doped biological carbon and porous volcanic rocks

  US-2019319288-A1 · Oct 17, 2019 · US

• A novel method and a sand/water remediation system with a photocatalytic fuel cell

  US-2019308231-A1 · Oct 10, 2019 · US

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