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Decolourisation of Methylene Blue in Aqueous Solution using Locally Sourced Photocatalysts via UV Irradiation Photocatalytic Degradation


 
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1. Title Title of document Decolourisation of Methylene Blue in Aqueous Solution using Locally Sourced Photocatalysts via UV Irradiation Photocatalytic Degradation
 
2. Creator Author's name, affiliation, country F. Aibuedefe Aisien; University of Benin; Nigeria
 
2. Creator Author's name, affiliation, country A. Nosakhare Amenaghawon; University of Benin; Nigeria
 
2. Creator Author's name, affiliation, country U Otuorimuo; University of Benin; Nigeria
 
3. Subject Discipline(s)
 
3. Subject Keyword(s) Periwinkle shell ash; Snail shell ash; Photocatalysis; Kinetics; Adsorption Equilibrium
 
4. Description Abstract

Locally sourced periwinkle shell ash (PSA) and snail shell ash (SSA) were investigated as potential photocatalysts for the photocatalytic decolourisation of methylene blue in aqueous solution. Preliminary studies showed that PSA performed better than SSA hence it was adopted for further investigations. The effects of process variables such as irradiation time, initial dye concentration and catalyst dosage on the decolourisation process were evaluated. The optimum values of the process variables were: irradiation time, 50 minutes; initial dye concentration, 7 mg/L and PSA dosage, 2 g/L. The adsorption equilibrium was well described by the Langmuir isotherm equation (R2=0.999) indicating mono layer type adsorption while the kinetics of the process were well described by the pseudo first order and Langmuir-Hinshelwood kinetic models with high R2 values (>0.90).
 
5. Publisher Organizing agency, location
 
6. Contributor Sponsor(s)
 
7. Date (YYYY-MM-DD) 30-09-2014
 
8. Type Status & genre Peer-reviewed Article
 
8. Type Type
 
9. Format File format PDF
 
10. Identifier Uniform Resource Identifier https://revues.imist.ma/index.php/morjchem/article/view/2095
 
10. Identifier Digital Object Identifier (DOI) https://doi.org/10.48317/IMIST.PRSM/morjchem-v2i4.2095
 
11. Source Title; vol., no. (year) Moroccan Journal of Chemistry; Vol 2, No 4 (2014)
 
12. Language English=en en
 
13. Relation Supp. Files
 
14. Coverage Geo-spatial location, chronological period, research sample (gender, age, etc.)
 
15. Rights Copyright and permissions Copyright (c)