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Fig. 5 | Environmental Sciences Europe

Fig. 5

From: Potassium citrate-derived porous carbon with high CO2 capture and Congo red adsorption performance

Fig. 5

a CR adsorption kinetic by the PCMCA-900 (Conditions: initial concentrations: 50, 100, 200 mg L−1; dosage: 0.1 g L−1; adsorption: 1500 min; temperature: 35 °C). b Adsorption isotherms of CR at 35 °C by PCMCA-900 (Conditions: initial concentrations: 50 to 300 mg L−1; dosage: 0.1 g L−1; temperature: 35 °C). c Effect of pH values on the CR adsorption capacity of PCMCA-900 (Conditions: initial concentrations: 100 mg L−1; dosage: 0.1 g L−1; temperature: 35 °C). d recyclability of PCMCA-900. e adsorption scheme for CR of the PCMCA-900

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