• Investigation of Environmental and Economic Benefits Of Bioslurry From Coffee Husk Relative to Chemical Fertilizer 

  Takele, Uma (AAU, 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 ...
• 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, 2015-07)

  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, 2015-07)

  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)

  composed of clay, phosphors and oil and grease which are potential to cause harm to aquatic life, give way to invasive spices and gradually dead water bodies. Garage wastewater discharge and spillage is wide spreading ...
• Optimization and Characterization of Synthesis Conditions of Adsorbent from Bone for Removal of Fluoride 

  Tadele, Mitiku (Addis Ababa University, 2015-07)

  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 ...
• Water Treatment Plant Performance Evaluation Using Turbidity As A Parameter 

  Enkossa, Misganu (Addis Ababa University, 2016-07)

  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. ...
• Horizontal Subsurface Constructed Wetland for Removal of Heavy Metals from Leachate Using Phragmites Australis (A Case of Addis Ababa Solid Waste Open Dump) 

  Bahre, Mesele (Addis Ababa University, 2013-04)

  Heavy metals were present at relatively high concentrations in the landfill leachate. The disposal of heavy metals into the environment is of great concern due to their serious effects on food chain and furthermore on ...
• A Case of Pawe And Mandura Woredas, North Eastern Part of Benishangul Gumuz Regional State, Ethiopia 

  Mebrahtu, Meron (Addis Ababa University, 2012-11)

  A recent development of the CMP approach, to implement rural water supply projects has been piloted in five woredas of the Metekel zone in Benishangul Gumuz regional state located at the Western part of Ethiopia. The ...
• Evaluation of The Level of Service Rendered by Functioning Rural Water Supply Schemes: Case of Farta Woreda, Amhara Region, Ethiopia 

  Mitiku, Mebit (Addis Ababa University, 2014-12)

  Evaluation of the Level of Service Rendered by Functioning Rural Water Supply Schemes: Case of Farta woreda of Amhara region, Ethiopia Mebit Mitiku Addis Ababa University, 2013 All reports confirm that the rural water ...
• Used Automotive Lubricant Treatment by Using Acid-Clay Method 

  Alemayehu, Mariamawit (Addis Ababa University, 2016-06)

  Used lubricating oil has been the subject of much debate over recent years in Ethiopia. The amount of lubricating oils disposed annually in the country is considerably large. This amount of waste lubricating oil has a ...
• Preparation of Prosopis juliflora Charcoal and the study of its use as energy mix in cement industries 

  Solomon, Mahider (Addis Ababa University, 2016-06)

  Cement manufacturing is a high energy consuming and heavy polluting process. To reduce the energy and environmental costs cement producers are currently using a blend of alternative fuels with conventional fossil fuels. ...
• Adsorption of Heavy Metal from Constituent Waste Water by Tea Waste Adsorbent 

  Oljira, Lalise (Addis Ababa University, 2016-06)

  Most industries such as electroplating, textile, fertilizer, batteries, leather, and others in less developed countries discharge huge volumes of untreated wastewater into water bodies. The industrial wastewater may contain ...
• Treatment and Recovery of Chrome from Electroplating Wastewater (By Chemical Precipitation) ( At Homicho Ammunition Engineering Industry) 

  G/Selassie, Kidanu (Addis Ababa University, 2016-12)

  the reduction process of hexavalent chromium from electroplating wastewater by chemical precipitation in order to achieve the maximum trivalent chromium concentration. Sodium bisulphite is one of the widely used coagulants ...
• Optimization of Activated Carbon Preparation Process from Sesame (Sesamum Indicum) Husks and Its Application for Adsorption of Cr(Vi) Ions from Aqueous Solution 

  Mohammedali, Ibrahim (Addis Ababa University, 2015-10)

  The demand for activated carbon is increasing owing to the increased utility of the carbon materials in pollution control. As a result, cost of activated carbon is also growing depending on the application. Designing ...
• Investigation of Brewery Spent Grain as Adsorbent for Removal of Heavy Metals from Wastewater 

  baylie, Hunegnaw (Addis Ababa University, 2016-06)

  Heavy metals are considered a major cause for environmental problems. Several conventional treatment methods have been developed for removal of toxic metal ions from wastewaters. Currently biological materials have received ...

View more