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Jimma University, Ethiopia

Chemical Engineering

Production of Nanocellulose Crystal Derived from Enset Fiber Using Acid Hydrolysis Coupled with Ultrasonication, Isolation, Statistical Modeling, Optimization, and Characterizations
Currently, many scholars are looking for renewable biomass sources for the isolation of nanomaterials that have a sustainable property and are ecofriendly. Thus, effectively synthesize and characterization enset fiber nanocellulose using... more
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    • Nanomaterials
Polyethylene Terephthalate Wastes as a Partial Replacement for Fine Aggregates in Concrete Mix, Case of Jimma Town, South West Ethiopia
In this research Concrete mix designs were prepared according to the DOE method and a total of 6 mixes with 72 samples prepared to consist of concrete grade C-25. The test samples were produced with the percentage of substitution for the... more
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    • Materials Science
Development of Nanocomposite based Antimicrobial Cotton Fabrics Impregnated by Nano SiO2 Loaded AgNPs Derived from Eragrostis Teff straw
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    • Materials Engineering
Production and Optimization of Bio-Based Silica Nanoparticle from Teff Straw (Eragrostis tef) Using RSM-Based Modeling, Characterization Aspects, and Adsorption Efficacy of Methyl Orange Dye
The brown teff straw was utilized in this study to produce silica using the sol-gel technique. After pretreatment, the raw material of brown teff straw was characterized. The data were analyzed using the central composite design and... more
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    • Chemistry
Novel Lanthanum Doped Magnetic Teff Straw Biochar Nanocomposite and Optimization Its Efficacy of Defluoridation of Groundwater Using RSM: A Case Study of Hawassa City, Ethiopia
The problem extent of the large concentration of fluoride ions in drinking water is still a central health issue. In the present study, lanthanum doped magnetic Teff straw biochar (LDMTSB) was developed as a novel adsorbent for removing... more
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    • Materials Science and Engineering
Evaluation of Groundwater Potential Zone Using Remote Sensing and Geographical Information System: in Kaffa Zone, South Western Ethiopia
This study focused on delineating the groundwater potential and recharge area for Kaffa Zone by the method of remote sensing and ArcGIS 10.4 software analysis techniques. There are six main influencing factors (rainfall, slope, land... more
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      Environmental Science, Groundwater
Development of anchote (Coccinia abyssinica) starch-based edible film: response surface modeling and interactive analysis of composition for water vapor permeability
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Production and Optimization of Bio-Based Silica Nanoparticle from Teff Straw (Eragrostis tef) Using RSM-Based Modeling, Characterization Aspects, and Adsorption Efficacy of Methyl Orange Dye
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    • Chemistry
Process Optimization for Acid Hydrolysis and Characterization of Bioethanol from Leftover Injera Waste by Using Response Surface Methodology: Central Composite Design
In this study, leftover injera waste from the southwestern parts of Ethiopia was used as a raw material for bioethanol production. The conversion of this biomass into ethanol involved processing techniques, which include hydrolysis,... more
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      Analytical Chemistry, Medicine
A Statistical Modeling and Optimization for Cr(VI) Adsorption from Aqueous Media via Teff Straw-Based Activated Carbon: Isotherm, Kinetics, and Thermodynamic Studies
Currently, the growth of tannery industries causes a significant volume of waste disposal to the environment due to harmful Cr(VI). Long-time exposure to Cr(VI) imposes serious hazards on all living organisms. Hence, the treatment of... more
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      Chemistry, Adsorption, Activated Carbon
Wireless Sensor Data Acquisition and Control Monitoring Model for Internet of Things Applications
This article focuses on providing solutions for one important application termed as agriculture. In India, one major occupation for people living in urban and rural areas is agriculture where an economic rate depends only on the crops... more
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      Engineering, Computer Science, Internet of Things, Internet of Things (IoT)
Development of Nanocomposite based Antimicrobial Cotton Fabrics Impregnated by Nano SiO<sub>2</sub> Loaded AgNPs Derived from <i>Eragrostis Teff</i> straw
In the contemporary textile sector, antimicrobial fabrics have an increasing global interest. This study focused on the development of antimicrobial cotton fabrics impregnated with nanocomposite. The nanocomposite was prepared by... more
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Adsorptive Capacity of Calcinated Hen Eggshell Blended with Silica Gel for Removal of Lead II Ions from Aqueous Media: Kinetics and Equilibrium Studies
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      Chemistry, Kinetics, Adsorption, Porosity
Modeling and Pulping Variables Optimization of Ethanol-Alkali Pulping and Delignification of Grevillea Robusta in Ethiopia by Response Surface Methodology
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      Chemistry, Soda Pulping, Pulp and Paper Industry
Wastewater Treatment Using a Photoelectrochemical Oxidation Process for the Coffee Processing Industry Optimization of Chemical Oxygen Demand (COD) Removal Using Response Surface Methodology
The elimination of organic compounds in coffee processing effluent utilizing electrochemical oxidation (ECO) as well as a combination of electrochemical oxidation (ECO) and ultraviolet and hydrogen peroxide (UV/H2O2) was explored. Then,... more
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    • Analytical Chemistry
Production of fuel briquette from solid waste biomass using natural resin as a binder
Background: This research aimed to evaluate the use of natural resin as a binder for the production of fuel briquette from solid waste biomass. Methods: Proximate analyses were made for fuel briquette prepared from solid waste biomass... more
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Optimization and Modeling of Cr (VI) Removal from Tannery Wastewater onto Activated Carbon Prepared from Coffee Husk and Sulfuric Acid (H2SO4) as Activating Agent by Using Central Composite Design (CCD)
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      Chemistry, Adsorption, Activated Carbon, Wastewater
Conversion of Degradable Municipal Solid Waste into Fuel Briquette: Case of Jimma City Municipal Solid Waste
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      Environmental Science, Waste Management, Municipal Solid Waste, Solid Fuel
Optimization of adsorption of methyl orange from aqueous solution by magnetic CoFe2O4/ZnAl-layered double hydroxide composite using response surface methodology
The CoFe2O4/ZnAl-layered double hydroxide (LDH) composite was successfully developed through a facile co-precipitation method, characterized, and applied as an effective adsorbent for the removal of methyl orange (MO) dye from aqueous... more
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    •   8  
      Materials Science, Response Surface Methodology, Adsorption, Central Composite Design
Modeling and optimization of chemical-treated torrefaction of wheat straw to improve energy density by response surface methodology
   Today, torrefaction is important technique for extending the potential of biomass for improvement of energy density. The independent variables investigated for torrefaction study were temperature, retention time, acid concentration,... more
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      Response Surface Methodology, Straw, Raw Material, Fourier transform infrared spectroscopy