Figure 2 | Scientific Reports

Figure 2

From: Waste tea residue adsorption coupled with electrocoagulation for improvement of copper and nickel ions removal from simulated wastewater

Figure 2

(a) SEM image of AGWTR before adsorption, (b) SEM image of AGWTR after adsorption of Cu2+, (c) SEM image of AGWTR after ADS/EC of Cu2+, (d) SEM image of AGWTR after adsorption of Ni2+, (e) SEM image of AGWTR after ADS/EC of Ni2+. (f) EDS spectra of AGWTR before adsorption, (g) EDS spectra of AGWTR after adsorption of Cu2+, (h) EDS spectra of AGWTR after ADS/EC of Cu2+, (i) EDS spectra of AGWTR after adsorption of Ni2+ and (j) EDS spectra of AGWTR after ADS/EC of Ni2+.

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