Data · collection · 2016
Experimental and theoretical approaches for Cd(II) biosorption from aqueous solution using Oryza sativa biomass
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Biomass of Oryza sativa (OS) was tested for the removal of Cd(II) ions from synthetic and real wastewater samples.
Description
Batch experiments were conducted to investigate the effects of operating parameters on Cd(II) biosorption. Fourier transform infrared spectroscopy, scanning electron microscopy and energy dispersive x-ray spectroscopy were used to examine the surface characteristics of the Cd(II)-loaded biomass.
The maximum removal efficiency of Cd(II) was 89.4% at optimum pH 6.0, biosorbent dose 10.0 g L −1 , initial Cd(II) 50 mg L −1 and biosorbent particle-size 0.5 mm. The applicability of Langmuir and Freundlich isotherms to the sorbent system implied the existence of both monolayer and heterogeneous surface conditions. Kinetic studies revealed that the adsorption process of Cd(II) followed the pseudo-second order model ( r 2 -0.99).
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On the theoretical side, an adaptive neuro-fuzzy inference system (ANFIS) was applied to select the operating parameter that mostly influence the Cd(II) biosorption process. Results from ANFIS indicated that pH was the most influential parameter affecting Cd(II) removal efficiency, indicating that the biomass of OS was strongly pH-sensitive. Finally, the biomass was confirmed to adsorb Cd(II) from real wastewater samples with a removal efficiency close to 100%.
However, feasibility studies of such systems on a large-scale application remain to be investigated.
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- Repository landing page figshare.com/collections/Experimental_and_theoretical_approaches_for_Cd_II_… ↗
landing page · from DataCite
- DOI doi.org/10.6084/m9.figshare.c.3254698.v1 ↗
DOI / persistent id · from DataCite
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- CC-BY creativecommons.org/licenses/by/3.0/us ↗
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- DataCite API api.datacite.org/dois/10.6084/m9.figshare.c.3254698.v1 ↗
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- DataCite Commons commons.datacite.org/doi.org/10.6084/m9.figshare.c.3254698.v1 ↗
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Topics
- Stated by source
- Biological sciences · Chemical sciences · Earth and related environmental sciences · Physical sciences
- Inferred from text
- Microscopy 75%
Provenance · 1 source records, 12 field assertions
| Source | Key | Last seen | Raw |
|---|---|---|---|
| DataCite | 10.6084/m9.figshare.c.3254698.v1 | 11 d ago | JSON v1 |
| Field | Assertion | Extractor | Evidence |
|---|---|---|---|
| access_level | source · DataCite | connector:datacite@1.0.0 | /data/attributes/rightsList |
| concepts[field].fos:biological-sciences | source · DataCite | connector:datacite@1.0.0 | |
| concepts[field].fos:chemical-sciences | source · DataCite | connector:datacite@1.0.0 | |
| concepts[field].fos:earth-and-related-environmental-sciences | source · DataCite | connector:datacite@1.0.0 | |
| concepts[field].fos:physical-sciences | source · DataCite | connector:datacite@1.0.0 | |
| concepts[modality].local:modality:microscopy | enrichment · DataCite | keyword-concept-rules@1.0.0 | title+description (75%) |
| created_date | source · DataCite | connector:datacite@1.0.0 | |
| description | source · DataCite | connector:datacite@1.0.0 | /data/attributes/descriptions |
| license | source · DataCite | connector:datacite@1.0.0 | /data/attributes/rightsList |
| publication_date | source · DataCite | connector:datacite@1.0.0 | /data/attributes/dates |
| title | source · DataCite | connector:datacite@1.0.0 | /data/attributes/titles/0/title |
| updated_date | source · DataCite | connector:datacite@1.0.0 |