• Liquid Fuel Production Through Pyrolysis of Khat and Plastic Waste Mixture 

  Abdulhafiz, Yishak (Addis Ababa University, 2014-02)

  A good portion of the Ethiopian population, especially of the youth, has taken up the habit of chewing Khat (scientific name: Catha edulis Forsk). Growing use of the stimulant is obviously generating a huge amount of waste ...
• Chrome Removal from Wastewater Using Water Treatment Plant Sludge as An Adsorbent 

  Deriba, Wegene (Addis Ababa University, 2015-06)

  Industries produces large amount of waste and the effluent of these wastes are often hazardous in polluting the environment and affecting human health. Tanneries are among industries which release large amount of waste ...
• Fluoride Removal Using Modified Spent Diatomaceous Earth Adsorbents 

  Wolde, Temesgen (Addis Ababa University, 2017-10)

  Elevated concentrations of fluoride in drinking water are a serious health concern. Dental and skeletal fluorosis being the most commonly reported fluoride-related diseases in Ethiopian rift valley. Various naturally ...
• Optimization of municipal Solidwaste Vermicomposting Parameters 

  Gebrekrstos, Teklebrahan (Addis Ababa University, 2014-11)

  Today, increasing population and rapid development are resulting for generation of large amount of solid wastes in developing countries. Most of these wastes are usually disposed in open dumping site, open spaces, rivers ...
• Removal of Reactive Red Dye from Aqueous Solution Using Locally Available Clay Soil as Low Cost Adsorbent 

  Bayssa, Tehetena (Addis Ababa University, 2015-06)

  Textile industry is one of those industries that discharge great amounts of effluents with synthetic dyes to the environment causing public concern. Reactive dyes are applied in textile industries which causes severe ...
• Impact Assessment on Solid Health-Care Waste Management in Addis Ababa, And Identification of Energy Recovery Possibility 

  Temesgen, Tatek (Addis Ababa University, 2008-05)

  In recent world the best way of protecting community health mainly depends on preventive methods rather than curative means. Due to this reason, having good solid health-care waste management and disposal in every health-care ...
• Removal of Reactive Red Dyes from Textile Wastewater by Biosorption Using Mango and Papaya Seeds 

  Ayala, Tariku (Addis Ababa University, 2016-06)

  Presence of dyes in the aquatic systems has become a serious environmental problem. Based on this idea focusing the environmental issue and economic point of view, the use of low cost and eco-friendly biosorbents has ...
• Investigation of Environmental and Economic Benefits of Bioslurry from Coffee Husk Relative to Chemical Fertilizer 

  Uma, Takele (Addis Ababa University, 2014-06)

  Agriculture dominates the Ethiopian economy. It is the major supplier of raw materials to food processing, beverage and textile industries. Application of fertilizer is one of the major interventions made by the government ...
• Improving the Performance of Asphalt Pavements by Application of Surfactants and Hydrated Lime 

  T/Yohannes, Solomon (Addis Ababa University, 2014-11)

  Moisture damage or stripping can be mitigated by using antistripping agents that are normally used to improve the bond between the asphalt binder and aggregate. The primary objective of this study was to evaluate moisture ...
• Removal of Fluoride Ions from Water Using Rice Husk Based Activated Carbon 

  Sabiro, Solomon (Addis Ababa University, 2016-01)

  This study investigated the potential use of rice husk based activated carbon for removal of fluoride from aqueous solution and real sample in batch mode experiments. Activated carbon was prepared first through physical ...
• Investigation of the Adsorption Performance of Acid Treated Lignite Coal for Cr(Vi) Removal from Aqueous Solution 

  Beksissa, Regassa (Addis Ababa University, 2016-07)

  The presence of heavy metals in aqueous streams arising from the discharge of industrial effluents into water bodies is one of the most important environmental issues because of their toxic nature and its removal is ...
• Reactive Azo Dye Removal from Aqueous Solution Using Orange Peel As Bio-Adsorbent 

  Jemal, Nuriya (Addis Ababa University, 2016-07)

  Presence of dyes in the aquatic systems has become a serious environmental problem. Concerning the environmental awareness and the economical point of view, the use of low-cost and eco-friendly adsorbents has been investigated ...
• Briquetting of Sawdust using Waste Paper as a Binder 

  Mengist, Muluken (Addis Ababa University, 2014-12)

  This study explored the possibility of producing sawdust briquettes that could be used for energy supply in small factories and for domestic cooking. A briquetting machine suitable for the production of sawdust briquettes ...
• Removal of Chromium Hexavalent (Cr(VI) from Aqueous Solution Using Activated Carbon Prepared from Prosopis Juliflora Plant and Find The Optimal Operating Condition for Adsorption Process 

  Emirie, Molalign (Addis Ababa University, 2015-02)

  In the present study adsorption of chromium (VI) ions from aqueous solution by activated carbon prepared from Prosopis Juliflora plant was investigated under batch mode. The removal of hexavalent chromium was optimized ...
• Garage Wastewater Turbidity Removal Using Low Cost Soil Coagulant 

  Berhanu, Mohammed (Addis Ababa University, 2016-11)

  Garages or vehicle service stations release very turbid, darkened effluent. They majorly composed of clay, phosphors and oil and grease which are potential to cause harm to aquatic life, give way to invasive spices and ...
• Optimization and Characterization of Synthesis Conditions of Adsorbent from Bone for Removal of Fluoride 

  Tadele, Mitiku (Addis Ababa University, 2015-06)

  This work aims to prepare adsorbents based on low cost cattle bones. The bones have sustained pyrolyzation in inert atmosphere at three different temperatures (400°C, 500oC and 600°C), time (60, 90 and 120 minutes) and ...
• Vermicompost Evaluation of Tannery Sludge Waste Residue for Soil conditioning 

  Amare, Misgna (Addis Ababa University, 2015-10)

  Tannery sludge and the effluents in general are of large-scale environmental concern because they color and diminish the quality of soil and water bodies into which they are released. Their disposal into the environment ...
• WaterTreatment Plant Performance Evaluation Using Turbidity AsAParameter 

  Enkossa, Misganu (Addis Ababa University, 2016-02)

  Gafarsa and Lagadadi Water treatment plants play a vital role in supplying drinking water to Addis Ababa City since about 55 years. The two WTPs are located on opposite direction of the city. Groundwater sources developed ...
• Pulp Production from Agricultural Residues 

  Mezgebu, Mihretab (Addis Ababa University, 2015-07)

  Growth in pulp and paper production entails massive felling of trees, which in turn leads to deforestation. Increasing competition for wood supplies coupled with gradually rising costs of wood have generated renewed ...
• Assesment of Maerua Subcordata Root As Biosorbent for the Removal of Cr (Vi) Ions From Tannery Waste Water 

  Berecha, Mesfin (Addis Ababa University, 2015-05)

  Chromium containing wastes are generated by industries such as leather tannery, electroplating, paint and pigment manufacturing. The form of Cr (VI) is responsible for human carcinogen as well as water and soil pollution. ...

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