• Engineering Active Site of Reduced Graphene Oxide via Nickel Doping for Supercapacitor Application 

  Woinshet, Simeneh (2024-06)

  Fossil fuel depletion and environmental concerns have driven the urgent need for renewable energy sources, prompting researchers to focus on developing robust energy storage methods to facilitate the transition to sustainable ...
• Upgrading of Biogas by Natural Adsorbent through Adsorption Column 

  Surafel, Argahegn Agdew (2024-06)

  Biogas can provide an efficient means of meeting several objectives concerning energy, environment, nutrient recovery, and waste management policy. However, raw biogas has low energy density and an unpleasant odor when ...
• False Banana Fiber as a Replacement of Glass Fiber in Agrostone Construction Material 

  Chalachew, Nigussie Checol (2024-07)

  The demand for agrostone in the building sector is undoubtedly being an issue of concern. This study aimed to replace the presently used glass fibers with alkali-treated false banana fiber (FBF) to reduce cost and further ...
• “CELLULOSIC FIBER REGENERATION FROM PINEAPPLE LEAVES USING A TETRA-AMINE COPPER (II) ION SOLUTION 

  Tsegaye, Tilahun Asfaw (2024-02)

  Nowadays, scientists and engineers working in the study area of materials are too concerned with sustainability issues and environmental protection. Pineapple leaf fiber is a natural fiber with high cellulose content, ...
• Lactic Acid Production from Water Hyacinth by Solid-acid Graphene oxide catalyst 

  Birhanie, Getachew (2023-11)

  Water hyacinth biomass (WHB)was used as a substrate for lactic acid production in the present study. Lactic acid (LaA) is one of the top fifteen rostrum chemicals derived from lignocellulosic biomass. For the increase of ...
• Biogas Production via High-Rate Anaerobic Digestion of Water Hyacinth Juice with Biofilm Carriers in UASB Reactor 

  Asefash, Getachew (2024-02)

  The frequent occurrence of anaerobic digester process instability and system failure poses significant challenges to the widespread adoption and success of biogas technology. This study investigated the effects of different ...
• Optimization of Dry Alkaline Ball Milling Assisted Deep Eutectic Solvent Pre-Treatment Process for Bioethanol Production from Mango Peel 

  Amare, Ahunm Gelu (2024-03)

  Due to the current energy crisis and environmental deterioration, there is a strong interest in the production of bio-ethanol from sustainable lignocellulosic biomass as an alternative renewable energy source. However, ...
• Treatment of Ion Exchanger Brine Regenerator for Reuse: A Case Study of Yes Brands Food and Beverage PLC 

  Seyfe, Asfaw (2023-05)

  Ion-exchange water softener used in commercial and industrial applications to reduce hardness. The water is passed through a negatively-charged resin initially containing sodium ions in the softening cycle, ...
• Synthesis and characterization of graphene-containing bio-char from water hyacinth stem for Azo-dye removal in a textile wastewater industries 

  Mekete, Yitayew (2023-10)

  Water hyacinth (Eichornia crassipes) is a hazardous and fast-growing invasive aquatic species for which international concern has been risen due to its environmental influence. Textile industries are released large ...
• REFINING OF USED ENGINE OIL USING SOLVENT EXTRACTION FOLLOWED BY ADSORPTION PROCESS 

  Haileamlak, Getachew Sinshaw (2023-07)

  The most important petroleum fraction is lubricating oil that is used in almost all vehicles and machines. After running of thousand kilometers, a vehicle needs to change the lubricating oil it was using because ...

• Engineering Active Site of Reduced Graphene Oxide via Nickel Doping for Supercapacitor Application 

  Woinshet, Simeneh (2024-06)

  Fossil fuel depletion and environmental concerns have driven the urgent need for renewable energy sources, prompting researchers to focus on developing robust energy storage methods to facilitate the transition to sustainable ...
• Upgrading of Biogas by Natural Adsorbent through Adsorption Column 

  Surafel, Argahegn Agdew (2024-06)

  Biogas can provide an efficient means of meeting several objectives concerning energy, environment, nutrient recovery, and waste management policy. However, raw biogas has low energy density and an unpleasant odor when ...
• False Banana Fiber as a Replacement of Glass Fiber in Agrostone Construction Material 

  Chalachew, Nigussie Checol (2024-07)

  The demand for agrostone in the building sector is undoubtedly being an issue of concern. This study aimed to replace the presently used glass fibers with alkali-treated false banana fiber (FBF) to reduce cost and further ...
• “CELLULOSIC FIBER REGENERATION FROM PINEAPPLE LEAVES USING A TETRA-AMINE COPPER (II) ION SOLUTION 

  Tsegaye, Tilahun Asfaw (2024-02)

  Nowadays, scientists and engineers working in the study area of materials are too concerned with sustainability issues and environmental protection. Pineapple leaf fiber is a natural fiber with high cellulose content, ...
• Lactic Acid Production from Water Hyacinth by Solid-acid Graphene oxide catalyst 

  Birhanie, Getachew (2023-11)

  Water hyacinth biomass (WHB)was used as a substrate for lactic acid production in the present study. Lactic acid (LaA) is one of the top fifteen rostrum chemicals derived from lignocellulosic biomass. For the increase of ...
• Biogas Production via High-Rate Anaerobic Digestion of Water Hyacinth Juice with Biofilm Carriers in UASB Reactor 

  Asefash, Getachew (2024-02)

  The frequent occurrence of anaerobic digester process instability and system failure poses significant challenges to the widespread adoption and success of biogas technology. This study investigated the effects of different ...
• Optimization of Dry Alkaline Ball Milling Assisted Deep Eutectic Solvent Pre-Treatment Process for Bioethanol Production from Mango Peel 

  Amare, Ahunm Gelu (2024-03)

  Due to the current energy crisis and environmental deterioration, there is a strong interest in the production of bio-ethanol from sustainable lignocellulosic biomass as an alternative renewable energy source. However, ...
• Treatment of Ion Exchanger Brine Regenerator for Reuse: A Case Study of Yes Brands Food and Beverage PLC 

  Seyfe, Asfaw (2023-05)

  Ion-exchange water softener used in commercial and industrial applications to reduce hardness. The water is passed through a negatively-charged resin initially containing sodium ions in the softening cycle, ...
• Synthesis and characterization of graphene-containing bio-char from water hyacinth stem for Azo-dye removal in a textile wastewater industries 

  Mekete, Yitayew (2023-10)

  Water hyacinth (Eichornia crassipes) is a hazardous and fast-growing invasive aquatic species for which international concern has been risen due to its environmental influence. Textile industries are released large ...
• REFINING OF USED ENGINE OIL USING SOLVENT EXTRACTION FOLLOWED BY ADSORPTION PROCESS 

  Haileamlak, Getachew Sinshaw (2023-07)

  The most important petroleum fraction is lubricating oil that is used in almost all vehicles and machines. After running of thousand kilometers, a vehicle needs to change the lubricating oil it was using because ...
• Evaluation of Utility Handling Mechanism and Design of Optimum Process Heat Utilization and Integration System for Wonji-Shoa Sugar Factory 

  Fasil, Kassaye (2023-05)
• Graphene Oxide Membrane from Water Hyacinth Stem as a Self- Healing Material for Desalination 

  Eyoel, Gashaw Teshome (2023-07)

  Water hyacinths stem from Lake Tana, the largest Lake in Ethiopia, creating an economic impact by affecting biodiversity and agricultural activities. The Lake has been critically infected by the weed, and aquatic ...
• Design and Development of Affordable Solar Drying Technology for Mango Slices Production in Northwest Ethiopia 

  Ermias, Abelneh Tesema (2023-07)

  Mango is one of the leading fruits produced by smallholder farmers in Northwestern Ethiopia, especially in the midland and lowland areas of the Upper Blue Nile Basin. During the peak season, farmers ...
• Synthesis of Adsorbent via Intercalation of Kaolin Clay with Chitosan for Removal of Pb in Fixed Bed Column. 

  Abrham, Gedamu Kebede (2023-07)

  Chitosan and clays are both naturally occurring, plentiful minerals. A variety of technologies are used to remove pollutants from wastewater, but adsorption is thought to be the most effective, clear, efficient, ...
• EFFECT OF POLYMERS ON TENSILE ADHESION STRENGTH OF CEMENTITIOUS TILE ADHESIVES 

  SIYE, DAWIT (2023-02)

  The purpose of this study is to evaluate the effect of polymers on the tensile adhesion strength of cementitious tile adhesives in relation to their formulation. In Ethiopian modern construction, ...
• the Effect of Factors and Optimization of Process on Production of Fatliquor from Lime Fleshing Waste: A Case Study in Ethiopian Tanneries 

  Saleegziabher, Fenta (2022-06)

  Leather making is a very long process and consists of many different chemical and mechanical processes. The common raw materials of leather industries are skins or hides, chemicals and water. ...
• Extraction of Protein-Based Value-Added Product from Chrome Shavings and Substitute in Leather Processing: a Case Study of Wallia Leather and Leather Products Factory 

  Moges, Asfaw Mengistu (2022-06)

  Skin and hide chrome shaving wastes from tanneries are generated during leather processing. The chrome shaving wastes contained significant quantity of protein and chromium which was dumped into sites or ...
• VALORIZATION OF RED GRAPE POMACE FOR THE RECOVERY OF POLYPHENOL THROUGH PROCESS OPTIMIZATION AND KINETICS STUDIES 

  KEBEDE, DEFAR (2022-07)

  Grape pomace valorization holds great potential for future production of pharmaceutical ingredients, enzymes, flavors, pigments, phytochemicals, nutraceuticals, biomaterials, and biofuel. The nutritional ...
• Effect of Polycarboxylate Ether on the Grinding and Property of Cement 

  Dawit, Mamuye (2023-02)

  Cement is obtained by heating a mixture of limestone with iron oxide, aluminium oxide and silicon oxides; and grinding the resulting clinker together with calcium sulfates and slag, limestone, ...
• Optimization of Calcium Carbonate Filler and Characterization of Physical and Mechanical Properties in Flexible Polyurethane Foam Production 

  Yekoye, Tadele (2022-05)

  Polyurethane (PU) foams are versatile in various applications due to their easiness of cost effectiveness and production process. The flexible polyurethane foam production cost is reliant on the price of ...

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