Optimisation of eggshell-zeolite composite as a potential surfactant adsorbent for hand-washing wastewater
Surfactants present in handwashing wastewater impede performance of biological treatment processes. In this study, design expert software was used to optimise a composite adsorbent from eggshells and zeolite for removal of surfactants. Percentage of eggshells in the composite, calcination time and t...
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| Format: | Article |
| Language: | English |
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Elsevier
2023-06-01
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| Series: | Case Studies in Chemical and Environmental Engineering |
| Subjects: | |
| Online Access: | http://www.sciencedirect.com/science/article/pii/S2666016422001062 |
| _version_ | 1827952381122314240 |
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| author | Medard Turyasingura Joel Wakatuntu Michael Lubwama Joseph Jjagwe Oliver Hensel Peter Wilberforce Olupot |
| author_facet | Medard Turyasingura Joel Wakatuntu Michael Lubwama Joseph Jjagwe Oliver Hensel Peter Wilberforce Olupot |
| author_sort | Medard Turyasingura |
| collection | DOAJ |
| description | Surfactants present in handwashing wastewater impede performance of biological treatment processes. In this study, design expert software was used to optimise a composite adsorbent from eggshells and zeolite for removal of surfactants. Percentage of eggshells in the composite, calcination time and temperature were design parameters while chemical oxygen demand (COD) was indicator for surfactants. Optimal parameters were 31.6%, 1.4h and 310.9 °C for eggshells percentage, calcination time and temperature, respectively. Resultant adsorbent had methylene blue number, surface area, pore diameter and COD removal of 95mg/g, 26m2g−1, 10nm and 88%, respectively. These parameters and nitrogen adsorption/desorption isotherms confirm effective mesoporous structured adsorbent. |
| first_indexed | 2024-04-09T13:56:34Z |
| format | Article |
| id | doaj.art-2cfcf23a57ab4cbfbb8d0c3e80835a74 |
| institution | Directory Open Access Journal |
| issn | 2666-0164 |
| language | English |
| last_indexed | 2024-04-09T13:56:34Z |
| publishDate | 2023-06-01 |
| publisher | Elsevier |
| record_format | Article |
| series | Case Studies in Chemical and Environmental Engineering |
| spelling | doaj.art-2cfcf23a57ab4cbfbb8d0c3e80835a742023-05-08T04:09:39ZengElsevierCase Studies in Chemical and Environmental Engineering2666-01642023-06-017100284Optimisation of eggshell-zeolite composite as a potential surfactant adsorbent for hand-washing wastewaterMedard Turyasingura0Joel Wakatuntu1Michael Lubwama2Joseph Jjagwe3Oliver Hensel4Peter Wilberforce Olupot5Department of Mechanical Engineering, College of Engineering, Design, Art and Technology, Makerere University, P.O. Box 7062, Kampala, UgandaDepartment of Mechanical Engineering, College of Engineering, Design, Art and Technology, Makerere University, P.O. Box 7062, Kampala, UgandaDepartment of Mechanical Engineering, College of Engineering, Design, Art and Technology, Makerere University, P.O. Box 7062, Kampala, UgandaDepartment of Mechanical Engineering, College of Engineering, Design, Art and Technology, Makerere University, P.O. Box 7062, Kampala, UgandaDepartment of Agricultural and Biosystems Engineering, Faculty of Organic Agricultural Sciences, University of Kassel, Nordbahnhofstr. 1a, 37213, Witzenhausen, GermanyDepartment of Mechanical Engineering, College of Engineering, Design, Art and Technology, Makerere University, P.O. Box 7062, Kampala, Uganda; Corresponding author.Surfactants present in handwashing wastewater impede performance of biological treatment processes. In this study, design expert software was used to optimise a composite adsorbent from eggshells and zeolite for removal of surfactants. Percentage of eggshells in the composite, calcination time and temperature were design parameters while chemical oxygen demand (COD) was indicator for surfactants. Optimal parameters were 31.6%, 1.4h and 310.9 °C for eggshells percentage, calcination time and temperature, respectively. Resultant adsorbent had methylene blue number, surface area, pore diameter and COD removal of 95mg/g, 26m2g−1, 10nm and 88%, respectively. These parameters and nitrogen adsorption/desorption isotherms confirm effective mesoporous structured adsorbent.http://www.sciencedirect.com/science/article/pii/S2666016422001062Zeolite-eggshell compositeBox-behnken designOptimizationHandwashing wastewater treatmentSurfactant adsorption |
| spellingShingle | Medard Turyasingura Joel Wakatuntu Michael Lubwama Joseph Jjagwe Oliver Hensel Peter Wilberforce Olupot Optimisation of eggshell-zeolite composite as a potential surfactant adsorbent for hand-washing wastewater Case Studies in Chemical and Environmental Engineering Zeolite-eggshell composite Box-behnken design Optimization Handwashing wastewater treatment Surfactant adsorption |
| title | Optimisation of eggshell-zeolite composite as a potential surfactant adsorbent for hand-washing wastewater |
| title_full | Optimisation of eggshell-zeolite composite as a potential surfactant adsorbent for hand-washing wastewater |
| title_fullStr | Optimisation of eggshell-zeolite composite as a potential surfactant adsorbent for hand-washing wastewater |
| title_full_unstemmed | Optimisation of eggshell-zeolite composite as a potential surfactant adsorbent for hand-washing wastewater |
| title_short | Optimisation of eggshell-zeolite composite as a potential surfactant adsorbent for hand-washing wastewater |
| title_sort | optimisation of eggshell zeolite composite as a potential surfactant adsorbent for hand washing wastewater |
| topic | Zeolite-eggshell composite Box-behnken design Optimization Handwashing wastewater treatment Surfactant adsorption |
| url | http://www.sciencedirect.com/science/article/pii/S2666016422001062 |
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