Abstract
Nanofibers have been used for the water purification process for the past decade owing to their high surface area, porosity, permeability, stability, and flexibility. Multilayer electrospun bio nanofiber mats and bio nanofiber-based aerogels are new advances in bio nanofiber-based water purification membranes. Other bio-nanofibers made by an electrospinning method are also found to be effective in the water remediation process. Electrospinning or electrostatic spinning is a charge-based spinning technique to prepare continuous fibers. The parameters that influence the properties of electrospun fibers can be classified into three major groups. The first category is process parameters which include acceleration voltage, tip to collector distance, collector speed, and flow rate. The second category is solution parameters which include polymer viscosity, polymer molecular weight, and solution conductivity. The third group is ambient environmental parameters which include temperature and humidity. Cellulose and chitosan-based nanofibers and their derivatives are highly efficient in water purification due to their high flux and high adsorption efficiency.
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