01.Jan.2016
A series of batch lab-scale experiments were performed to investigate the performance of dead phosphorylated algal biomass of Spirogyra species for the bioadsorption of Cu+2 ions from aqueous solutions. FT-IR and SEM analysis were performed to characterize the phosphorylated and raw algae. The SEM analysis indicated that the phosphorus content increases to about 5 times. The isotherm equilibrium data indicated that phosphorylation enhances the removal of Cu+2 from water by about 20%. The experimental isotherms fitted well to Langmuir models with R2 values closed to 0.99. Adsorption kinetic study was conducted to investigate the effect of initial Cu+2 concentrations, pH, and adsorbent dose on the loading capacity of algal biomass. The optimum pH for the process was around 6 and the corresponding maximum loading capacity was 65 mg g-1. The pseudo second-order kinetics successfully modeled the kinetic results with R2 values closed to 0.99. The thermodynamic results indicated that the bioadsorption process is endothermic and spontaneous at initial Cu+2 concentrations lower than 100 mg l-1. The results were promising and encourage the design of continuous process using algal biomass to remediate polluted water with heavy metals. https://www.researchgate.net/publication/307559566_Impact_of_surface_modification_of_green_algal_biomass_by_phosphorylation_on_the_removal_of_copper_II_ions_from_water
A series of batch lab-scale experiments were performed to investigate the performance of dead phosphorylated algal biomass of Spirogyra species for the bioadsorption of Cu+2 ions from aqueous solutions. FT-IR and SEM analysis were performed to characterize the phosphorylated and raw algae. The SEM analysis indicated that the phosphorus content increases to about 5 times. The isotherm equilibrium data indicated that phosphorylation enhances the removal of Cu+2 from water by about 20%. The experimental isotherms fitted well to Langmuir models with R2 values closed to 0.99. Adsorption kinetic study was conducted to investigate the effect of initial Cu+2 concentrations, pH, and adsorbent dose on the loading capacity of algal biomass. The optimum pH for the process was around 6 and the corresponding maximum loading capacity was 65 mg g-1. The pseudo second-order kinetics successfully modeled the kinetic results with R2 values closed to 0.99. The thermodynamic results indicated that the bioadsorption process is endothermic and spontaneous at initial Cu+2 concentrations lower than 100 mg l-1. The results were promising and encourage the design of continuous process using algal biomass to remediate polluted water with heavy metals.
https://www.researchgate.net/publication/307559566_Impact_of_surface_modification_of_green_algal_biomass_by_phosphorylation_on_the_removal_of_copper_II_ions_from_water
17.Apr.2024
16.Jan.2024
20.Sep.2023
أنا طالبة في الهندسة الصناعية, اختياري لهذا التخصص كان بناءً على أهميته الكبيرة كمهنة في الحاضر والمستقبل ... رغد بركات
الهندسة الصناعية تساعدك على اتخاذ قرارات أفضل، وتعطي أشكالا أخرى من مبادئ الهندسة بشكل عملي وعلمي في آن. ... محمود صلاح
قسم الهندسة الكيميائية قسم جميل جدا تعلمت فيه الكثير ومما تعلمته فيه جدية العمل وروح الفريق الواحد .. ... رغد الشويكي