Biosorptive removal of lead (II) ions from aqueous solutions using Cystoseira stricta biomass: Study of the surface modification effect
作者： Abdelkader Iddou , Mohamed Hadj Youcef , Abdallah Aziz , Mohand Said Ouali
DOI: 10.1016/J.JSCS.2010.10.007
关键词: Aqueous solution 、 Basic solution 、 Nuclear chemistry 、 Metal 、 Biosorption 、 Cystoseira 、 Adsorption 、 Chemistry 、 Mineralogy 、 Langmuir adsorption model 、 Sodium hydroxide 、 General chemistry
摘要: Abstract A brown marine alga, Cystoseira stricta , has been studied for its biosorption capacities of the heavy metallic ion, Pb(II), in aqueous solutions. The alga (C) used without previous treatment and with chemical to acid (H 2 SO 4 1 M: CS) sodium hydroxide (NaOH CB). results have shown influence particle size biomaterial on extraction-removal Pb(II). application Langmuir adsorption model revealed maximum each material (C, CS, one specific C. treated by a solution 1 M (CB) was most important (65 mg g −1 ). established isotherms at different temperatures showed that this parameter affects adsorption. best are obtained temperature 25 °C, comparison those recorded 50 °C. Finally, study can be good potential biosorbent metals, particular, when it is basic solution.
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