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Dr. Gbekeloluwa Oguntimein
Department of Civil Engineering, Morgan State University, Baltimore, MD 21251, USA

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Research Keywords & Expertise

0 biological wastewater treatment
0 Environmental impact and risk assessment
0 Water supply engineering
0 Civil engineering project management
0 Sustainable energy.

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Journal article
Published: 10 February 2021 in Sustainability
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Sustainability assessment of municipal solid waste management requires a holistic approach in evaluating the impacts of current technology and processes. In this study, the sustainability analysis of the Municipal Solid Waste (MSW) incineration plant in Baltimore city was performed to determine its environmental, economic, and social impacts. The city’s major waste-to-energy generation plant has benefitted the city of Baltimore since inception till date in terms of waste processing, resulting in electricity and steam production for more than 40,000 homes and over 200 businesses. The life cycle impact of the incineration plant was analyzed using the Simapro life cycle assessment (LCA) software with the Building for Environmental and Economic Sustainability (BEES) database for correlation. The results obtained upon analysis show larger values of Global Warming Potential and eutrophication potential as 6.46 × 108 Gg of CO2 equivalence and 2.27 × 106 Gg N equivalence, respectively. These values resulted from the higher amount of fossil CO2 and NOx emitted from the plant. The acidification potential of 1.66 × 1017 H+ mmole eq resulted from the SO2 emitted by the incineration plant. The incineration plant exceeded the limitations set by the Environmental Protection Agency (EPA) on NOx (150 ppm), which is detrimental to the well-being of people as shown by this study. Installing an improved processing technology such as a Selected Catalytic Reactor (SCR) can drastically reduce the NOx emission to 45 ppm. Life Cycle Assessment was confirmed suitable in evaluating the environmental impacts of the MSW-to-energy treatment approach.

ACS Style

Samuel Alamu; Ayodeji Wemida; Tiyobistiya Tsegaye; Gbekeloluwa Oguntimein. Sustainability Assessment of Municipal Solid Waste in Baltimore USA. Sustainability 2021, 13, 1915 .

AMA Style

Samuel Alamu, Ayodeji Wemida, Tiyobistiya Tsegaye, Gbekeloluwa Oguntimein. Sustainability Assessment of Municipal Solid Waste in Baltimore USA. Sustainability. 2021; 13 (4):1915.

Chicago/Turabian Style

Samuel Alamu; Ayodeji Wemida; Tiyobistiya Tsegaye; Gbekeloluwa Oguntimein. 2021. "Sustainability Assessment of Municipal Solid Waste in Baltimore USA." Sustainability 13, no. 4: 1915.

Journal article
Published: 01 December 2015 in Journal of Environmental Chemical Engineering
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Alkali treated dried sunflower seed hull (DSSH) was used as adsorbent for the decolorization of wastewater effluent from the textile industry. Batch adsorption studies were performed as a function of contact time, initial solution pH, initial dye concentration, adsorbent dosage and temperature. Kinetic analysis revealed that adsorption experimental data was best fitted by pseudo-second order model at all textile dye concentrations tested. Based on the pseudo-second order rate constants obtained using Arrhenius and Eyring equations, the activation parameters for the formation of activated complex between Textile dye molecules and dried sunflower seed hull were determined: namely the activation energy (8.79 kJ/mol), the change of entropy (−39.57 kJ/mol/K), enthalpy (8.79 kJ/mol), and Gibbs free energy (range 6.27–8.11 kJ/mol). The equilibrium adsorption data was found to follow the Langmuir isotherm model and maximum monolayer capacity was found to be 169.5 mg/g at 25 °C. The Langmuir isotherm model was applied to the design of a single-stage adsorber. From the thermodynamics analysis the magnitude of enthalpy change (ΔH) was found to be 8.79 kJ/mol; indicating that physical forces were involved in biosorption of dye onto DSSH.

ACS Style

Gbekeloluwa B. Oguntimein. Biosorption of dye from textile wastewater effluent onto alkali treated dried sunflower seed hull and design of a batch adsorber. Journal of Environmental Chemical Engineering 2015, 3, 2647 -2661.

AMA Style

Gbekeloluwa B. Oguntimein. Biosorption of dye from textile wastewater effluent onto alkali treated dried sunflower seed hull and design of a batch adsorber. Journal of Environmental Chemical Engineering. 2015; 3 (4):2647-2661.

Chicago/Turabian Style

Gbekeloluwa B. Oguntimein. 2015. "Biosorption of dye from textile wastewater effluent onto alkali treated dried sunflower seed hull and design of a batch adsorber." Journal of Environmental Chemical Engineering 3, no. 4: 2647-2661.