This invention relates generally to a chitosan-graphene oxide membrane and process of making the same. The nanocomposite membrane can filter water and remove contaminants without fouling like other commercially-available polymer-based water filters. The membrane can be used as a flat sheet filter or can be engineered in a spiral filtration module. The membrane is scalable and tunable for many water contaminants including pharmaceuticals, pesticides, herbicides, and other organic chemicals. The membrane uses chitosan, which is low-cost, renewable biopolymer typically considered to be a waste product and the second most abundant biopolymer on Earth, thus making the membrane an environmentally-friendly product choice.
US 20190039027 A1
Board of Trustees of the University of Arkansas (Little Rock, AR); The United States of America, as Represented by the Secretary of the Army (Washington, DC)
Griggs, C. S., Mattei-Sosa, J. A., Gurtowski, L. A., Greenlee, L. F., & Abolhassani, M. (2020). Chitosan-graphene oxide membranes and process of making the same. Patents Granted. Retrieved from https://scholarworks.uark.edu/pat/373