• Coffee Husk as Adsorbent for The Heavy Metals (Cr And Pb) Removal from Synthetic Wastewater 

  Misganu, Geleti (Addis Ababa University, 2019-05)

  Heavy metal contamination of water is a serious threat to the ecosystem. Many industries such as electroplating, metal plating, mining operation, and tanneries release wastewaters containing heavy metals into the ...
• Performance of Synthesized NaOH/Bentonite Catalyst for Production of Biodiesel from Cottonseed Oil 

  Lamesign, Desta (Addis Ababa University, 2019-06)

  In this study, NaOH/bentonite catalyst was synthesized and its performance was evaluated for biodiesel production from cottonseed oil. Impregnation method was used for the synthesis of NaOH/bentonite catalyst and the ...
• Investigation of Removal Efficiency of Blended Cactus Mucilage and Alum Coagulants In Textile Wastewater Treatment 

  Hayelom, Tesfay (Addis Ababa University, 2019-06)

  Textile wastewater treatment is one the most difficult environmental issues because it contains high color, high suspended solids, chemical oxygen demand (COD), pH, temperature, turbidity and toxic chemicals. The direct ...
• Investigation of Biogas Production by Co-Digestion of Brewery Wastewater and Brewery Spent Yeast 

  Getachew, Abrha (Addis Ababa University, 2019-06-09)

  Production of biogas through anaerobic digestion of organic waste materials provides an alternative environmentally friendly renewable energy. In this study, biogas production from codigestion of brewery wastewater, ...
• Chromium Removal from Tannery Wastewater using Calcinated Eggshells as an Adsorbent: A Case study of Ethiopian Tannery Share Company, Ethiopia. 

  Berihu, Gebrecherkos (Addis Ababa University, 2019-07)

  Discharge of untreated chromium containing tannery wastewater into the environment poses a serious environmental and health problem. Finding an environmentally safe and cost effective method which is efficient enough to ...
• Assessment and Modeling of Surface Water Quality Dynamics in Awash River basin, Ethiopia 

  Amare, Shiberu (Addis Ababa University, 2019)

  Awash River has the most important economic values in Ethiopia. However, it has been recognized as being impaired by high amount of various pollutants owing to waste released from different socio-economic activities in ...
• Treatment of Textile Wastewater Using Titanium Dioxide Photocatalysis to Remove COD and Color 

  Abeba, Kebede (Addis Ababa University, 2019-06)

  Textile industry is faced with serious environmental problems associated with its immense wastewater discharge, high BOD, COD, TS, extreme alkalinity and heavily colored effluent. It is discharged without enough treatment ...
• Textile Sludge Based Bricks Production from Hawassa Industrial Park Zero Liquid Discharge Facility 

  Tsegay, Gebremedhin (Addis Ababa University, 2018-12)

  Textile sludge is an inevitable byproduct discharged from wastewater treatment plants and becoming a great challenge in today’s industrial parks. Presently, the sludge generated from the ZLD facility is sent and collected ...
• Characterization the Potential of Drinking Water Hardness Using Peanut Hull Adsorbent. (In Case of Mekelle City) 

  Tsegakiros, Fantay (Addis Ababa University, 2018-06)

  This study focused on treatment technique using peanut hull to produce natural adsorbent for softening the tap water in Mekelle city which is hard water. Its physicochemical properties were examined. Water softening ...
• Optimization and Upgrading of Biogas from Brewery Waste for Boiler 

  Tigist, Zegeye (Addis Ababa University, 2019-05)

  Rises in fuel prices and the continued pollution to the environment calls for a search to find cost effective and environmentally cautious methods of finding alternative fuels especially for industrial purposes while ...
• Water Quality Assessment Using Optimal Multiobjective Waste-Load Allocation Approach: The Case Of Little Akaki River 

  Mulugeta, Yilma (Addis Ababa University, 2019-04)

  In Addis Ababa, indiscriminant waste disposal from domestic, industrial and commercial sources affect the water quality of the Little Akaki River. Moreover, this situation is limiting the usability of the River. Consequently, ...
• Characterization and Optimization of Volcanic Ash and Portland Cement blend for Property Enhancement of Concrete 

  Solomon, Zeleke (Addis Ababa University, 2018-11)

  Volcanic Ash is one of naturally occurring Pozzolanaic material that was tested in this research work for partial replacement of cement for production of concrete. With respect to reduction of cement consumption for ...
• Photocatalysis Of Titanium Dioxide Nanoparticles for Drinking Water Disinfection Under Vis-Leds And Sunlight Illumination 

  Shimelis, Kebede (Addis Ababa University, 2017-10)

  Response surface methodology, Box-Behnken experimental design, was applied to investigate and find optimum synthesis parameters for preparing visible-light active nitrogen doped titanium dioxide (N-TiO2) by sol-gel method. ...
• Removal of Organic Matter and Nutrients from Grey Water Using Activated Carbon of Corn Cob as An Adsorbent in SPA Service Enterprise (Filwoha) Addis Ababa, Ethiopia 

  Etsegenet, Worku (Addis Ababa University, 2018-11)

  Grey water is one kind of wastewater that is characterized by medium contents of BOD, COD, Tot-N, Tot-P, suspended solids and dissolved solids. It is discharged to the environment without any treatment and significantly ...
• Co-pelletization of Torrefied Cotton Stalk and Coffee Husk as an Alternative Energy Source for Cement Pyroprocessing 

  Yeayneabeba, Tadesse (Addis Ababa University, 2018-10)

  Cement manufacturing is an energy and emission intensive process. The use of alternative fuels to replace coal contributes to energy security and the total environmental footprint of the cement industry. This study ...
• Investigation of Acid Treated Lemna minor as Adsorbent for Removal of Cu and Pb from aqueous solution 

  Yalembrhan, Debebe (Addis Ababa University, 2018-06)

  The release of wastewater with heavy metals of Cu, Pb, Zn, Cd etc. Particularly in areas with expansion of industries can pose a significant threat to human health and environment due to their toxicity. This paper deals ...
• Synthesis and Characterization of Liquid Fuel from PP and PS waste via Catalytic Pyrolysis 

  Tihitna, Abebe (Addis Ababa University, 2018-06)

  Catalytic Pyrolysis of polypropylene (PP) and Polystyrene (PS) into fuel like products using silica alumina catalyst that extracted from rice husk was investigated over temperature range of 430-470°C.Burning rice husk ...
• Removal of Methylene Blue Dye Using Titanium Dioxide Photocatalyst 

  Tigabu, Halefom (Addis Ababa University, 2018-06)

  The application of dyes in different process industries will cause environmental impact. Thus, the need for removal of dyes using an Advanced oxidation process is a vital issue to decrease the effect of dyes. An ...
• Catalytic Oxidation of Phenol in Aqueous Solution using Fe - Sulfonated Carbon Catalyst 

  Tewodros, Geremew (Addis Ababa University, 2018-07)

  The main objective of this research was to mineralize phenol in aqueous solution using Fe – Sulfonated carbon catalyst. Two fairly different catalysts (Fe/AC and Fe/AC − SO iii 3 H) in terms of impregnation (FeSO 4 . ...
• Utilization of Banana Peel for Citric Acid Production on Solid-State Fermentation Using Aspergillus Niger 

  Solomon, Kahsay (Addis Ababa University, 2018-06)

  Citric acid is a tricarboxylic acid which is soluble in water with a pleasant taste. It is an important acid used in food Industries. It exists in nature when carbohydrates are oxidized to carbon dioxide. Because of its ...

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