2018
DOI: 10.1038/s41598-018-30855-2
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Statistical optimization for cadmium removal using Ulva fasciata biomass: Characterization, immobilization and application for almost-complete cadmium removal from aqueous solutions

Abstract: Cadmium is a global heavy metal pollutant. Marine green algae were used as efficient, low cost and eco-friendly biosorbent for cadmium ions removal from aqueous solutions. Plackett-Burman design was applied to determine the most significant factors for maximum cadmium removal from aqueous solutions using dry Ulva fasciata biomass. The most significant factors affecting cadmium removal process were further optimized by the face centered central composite design. The results indicated that 4 g of dry Ulva fascia… Show more

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Cited by 46 publications
(34 citation statements)
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“…The adsorption capacity of the microalga in the HM-F-NS and HM-F-S treatments was higher than that of the LM-NF treatment. These results were in accordance with those of the previous study, which revealed that high concentrations of Mn in the solution could interact more within the active site (Ghoneim et al, 2014).…”
Section: Discussionsupporting
confidence: 93%
“…The adsorption capacity of the microalga in the HM-F-NS and HM-F-S treatments was higher than that of the LM-NF treatment. These results were in accordance with those of the previous study, which revealed that high concentrations of Mn in the solution could interact more within the active site (Ghoneim et al, 2014).…”
Section: Discussionsupporting
confidence: 93%
“…(1), the maximum predicted Cu 2+ removal % of 75.64% could be reached using pH 7, 200 mg/L of the initial concentration of CuSO 4 and incubation period of 3.8 days. However, the increases of metal ions could affect the quantity of the bio-absorbed heavy metal per unit weight of biomass 26 . Another study suggesting that the leaching process falls into two categories (i) biosorption (passive) using non-living cells (ii) bioaccumulation using living cells 46,47 .…”
Section: Evaluation Of Box-behnken Resultsmentioning
confidence: 99%
“…The mechanism involved in the biosorption process by marine green algae relies on the presence of different functional groups of the biomacromolecules like lipids, polysaccharides and proteins on the algal cell wall surface 28,29 . These functional groups (e.g.…”
mentioning
confidence: 99%