Figures & data
Table 1. Ingredients of orange juice as feed solution
Figure 1. Synthesis of graphene-based geopolymeric membrane for forward osmosis application
Figure 2. (a) Coated geopolymeric membrane with graphene oxide (GO). (b) Uncoated geopolymeric membrane
Figure 3. Forward osmosis setup for orange juice concentration using graphene oxide-based coated geopolymeric membrane
Figure 4. XRD of pure graphene oxide and prepared graphene oxide
Figure 5. (a) Surface SME of geopolymeric membrane for pore size analysis. (b) Surface SEM of geopolymeric membrane for cracks analysis. (c) Cross-sectional SE of geopolymeric membrane for flow line. (d) Cross-sectional SEM of geopolymeric membrane for different layers
Figure 6. (A) Surface SEM of coated graphene oxide on geopolymeric substrate. (B) Surface SEM of single pore size and structure of porous-coated graphene oxide
Figure 7. Water flux for graphene oxide coated and uncoated geopolymeric membrane in orange juice concentration through forward osmosis draw solution: 10 M, temperature: 30°C, draw solution, and orange juice flow rate: 150 mL/min)
