2017
DOI: 10.2166/wst.2017.427
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Reduction of chromium (VI) from aqueous solution by biomass of Cladosporium cladosporioides

Abstract: The capacity of Cladosporium cladosporioides biomass for removal of Cr(VI) in aqueous solutions was evaluated. A 2 × 2 factorial experiment design was used to study the effects of pH and biomass doses. Lower pH values and larger biomass doses increased the capacity of C. cladosporioides biomass for removal of Cr(VI), reaching a reduction capacity of 492.85 mg g, a significantly higher value compared to other biomass reported. Cr(VI) removal kinetic rates followed a pseudo-second order model, like other fungal … Show more

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Cited by 12 publications
(7 citation statements)
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“…The regeneration of adsorbent is quite crucial for the process to be cost-effective as well for the recovery of metal ions from the solution. In the present study, desorption was studied at different solution pH (2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12). The result, as can be seen from Figure 6, indicates that the maximum desorption of 82.6% occurred at a pH of 8.…”
Section: Regeneration and Reusability Of Adsorbentsmentioning
confidence: 67%
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“…The regeneration of adsorbent is quite crucial for the process to be cost-effective as well for the recovery of metal ions from the solution. In the present study, desorption was studied at different solution pH (2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12). The result, as can be seen from Figure 6, indicates that the maximum desorption of 82.6% occurred at a pH of 8.…”
Section: Regeneration and Reusability Of Adsorbentsmentioning
confidence: 67%
“…The batch adsorption experiments were conducted by varying several parameters, namely pH (2)(3)(4)(5)(6)(7)(8)(9)(10)(11)(12)(13)(14), temperature (20 C-50 C), adsorbent dosage (5 g/L-15 g/L), and initial Cr(VI) concentration (50 ppm-150 ppm), keeping the volume of the solution at 50 mL for every run. The solutions were agitated using a magnetic stirrer at 210 rpm.…”
Section: Batch Adsorption Experimentsmentioning
confidence: 99%
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“…In the LP treatment fungal community, Cladosporium was positively correlated with F1, F2, and F3. Several studies showed that Cladosporium biomass identified from Cr-contaminated soil could adsorb and reduce Cr (VI) and thus decrease its environmental toxicity ( Batista et al, 2016 ; Garza-Gonzalez et al, 2017 ). In the ND treatment fungal community, there were no significant correlations between the four Cr fractions and the selected fungal genera.…”
Section: Discussionmentioning
confidence: 99%
“…Despite its toxic character, chromium(VI) is widely used in various industries, being its recovery from the corresponding liquid effluents a primary target before their discharge to natural waters. Several technologies have found application to remove and/or recover chromium(VI) from these process wastes: pseudo-emulsion strip dispersión pertraction [1,2], adsorption onto activated carbons [3], liquidliquid extraction [4], biomass adsorption [5,6], adsorption onto natural zeolites [7], adsorption onto phosphates [8], ion exchange [9] and electro-assisted and photo-assisted technologies [10]. Among them, adsorption onto carbon nanotube (CNT) technology could be competitive when the metal is present at low concentrations in the aqueous solution.…”
Section: Introductionmentioning
confidence: 99%