Improved biosorption potential of Thuja orientalis cone powder for the biosorptive removal of Basic Blue 9.
作者： Sibel Tunali Akar , Yasemin Yetimoglu Balk , Okan Tuna , Tamer Akar
DOI: 10.1016/J.CARBPOL.2013.01.062
关键词:
摘要: Abstract This study focused on the development of an efficient and practical biosorbent, a low cost promising plant waste with cellulose–lignin polymeric structure, for treatment dye containing solutions. Thuja orientalis biomass was modified by citric acid its biosorption potential investigated respect to pH (2.0–10.0), contact time (1–60 min), sorbent dosage (0.01–0.05 g), initial concentration (10–725 mg L −1 ) flow rate (0.5–4.0 mL min ). Modification significantly increased 30% as compared unmodified biomass. Kinetic data followed pseudo-second-order model while equilibrium were well predicted Langmuir isotherm model. Maximum capacities natural biomasses found be 91.03 203.21 mg g at 30 °C, respectively. Modified biosorbent exhibited very good regeneration up 10 cycles it successfully used decolorization synthetic solution in dynamic mode. Zeta measurements, IR, SEM EDX analysis characterize possible dye–biosorbent interactions. Overall, present underlines alternative use T. cones removal recovery applications cationic dye, Basic Blue 9.
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