Synthesis and characterization of a magnetic adsorbent from negatively-valued iron mud for methylene blue adsorption
Fig 1
Major elements in iron mud and MPs.
MPs 1–5 were synthesized by changing the molar ratio of ascorbic acid to Fe3+ from 0.01 to 0.05, 0.1, 0.15 and 0.2, respectively. MPs-3w was prepared at the molar ratio of 0.1 with acid wastewater digestion.