Investigation of Adsorption of Cobalt-phthalocyanine from Aqueous Waste Stream Using UVM-7/Ag

Volume1,Issue01,Pages29-38,Ar-AMC-34 *** Filed: Environmental Analysis

  • Amir Vahid Research institute of petroleum industry, Tehran, Iran.
  • Majid Abdous
  • Shahnaz Nayyeri
Keywords: Adsorption, Aqueous, Dye, Isotherm, Mesoporous silica, Kinetics


The effect adsorption of cobalt-phthalocyanine-3,4’,4”,4”’- tetrasulfonicacid tetrasodium salt [Co(tsPc)-4•4Na+] onto UVM-7/Ag mesoporous material was investigated. In addition, X-ray diffraction (XRD), scanning electron microscopy (SEM), and nitrogen adsorptiondesorption measurement were used to examine the morphology and the microstructure of the obtained composite. Various parameters including solution adsorbent dosage, contact time, initial dye concentration and temperature were systematically studied. Equilibrium data fitted well the Langmuir models; moreover, the fitness suggests that the adsorption be monolayer and physical in nature. Kinetic studies showed that the adsorption process could be better described by the Lagergren pseudosecond- order models. Thermodynamic constant values (ΔG < 0, ΔH< 0 and ΔS< 0) demonstrated that the adsorption reactions of Co(tspc)-4 onto UVM-7/Ag were feasible, spontaneous, and exothermic under the examined conditions.


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How to Cite
Vahid, A., Abdous, M., & Nayyeri, S. (2018). Investigation of Adsorption of Cobalt-phthalocyanine from Aqueous Waste Stream Using UVM-7/Ag. Analytical Methods in Environmental Chemistry Journal, 1(01), 29-38.
Original Article