Search Results - "Shibeshi, Nurelegne Tefera"

Biosorption potential of Purpureocillium lilacinum biomass for chromium (VI) removal: isolation, characterization, and significance of growth limiting factors by Kerga, Gizachew Assefa, Shibeshi, Nurelegne Tefera, Prabhu, Sundramurthy Venkatesa, Varadharajan, Venkatramanan, Yeshitla, Alazar

“…Chromium (VI) is known to be harmful element that commonly found industrial waste, mining activities, and wastewater discharges from various industries. When…”
Get full text

Kinetic analysis of dehydroxylation of Ethiopian kaolinite during calcination by Kassa, Adamu Esubalew, Shibeshi, Nurelegne Tefera, Tizazu, Belachew Zegale

“…The calcination process is the dehydroxylation reaction of the kaolinite mineral into the formation of amorphous metakaolinite phase. The dehydroxylation…”
Get full text

Isolation and screening of low-density polyethylene (LDPE) bags degrading bacteria from Addis Ababa municipal solid waste disposal site “Koshe” by Nademo, Zuriash Mamo, Shibeshi, Nurelegne Tefera, Gemeda, Mesfin Tafesse

“…Abstract Purpose This study aims to screen bacterial isolates from the Addis Ababa municipal solid waste dumping site (Koshe) for the biodegradation of…”
Get full text

Extraction, recovery and characterization of aluminum chloride from Ethiopian kaolin by leaching and crystallization by Kassa, Adamu Esubalew, Shibeshi, Nurelegne Tefera, Tizazu, Belachew Zegale

“…Due to the global increased aluminum demand, researchers have been working to produce aluminum from non-bauxite ores. Kaolin could be used as alternative raw…”
Get full text

Bentonite/amino-functionalized cellulose composite as effective adsorbent for removal of lead: Kinetic and isotherm studies by Obsa, Abiy Lolasa, Shibeshi, Nurelegne Tefera, Mulugeta, Eyobel, Workeneh, Getachew Adam

“…In this study, bentonite/amino-functionalized cellulose composite (BAC) adsorbent was synthesized by intercalating the hexadecyl trimethyl ammonium bromide…”
Get full text

Fatty acid methyl esters production from crude waste frying oil using modified coffee husk ash catalyst: Parameters optimization by Bekele, Demelash Tilahun, Shibeshi, Nurelegne Tefera, Reshad, Ali Shemsedin

“…In this study, a KNO3-loaded coffee husk (CH) ash catalyst was synthesized to produce waste frying oil methyl ester (WFOME) from crude waste frying oil (WFO)…”
Get full text

Catalytic Performance Investigation of Alkali and Bifunctional Catalysts Derived from Lignocellulosic Biomasses for Biodiesel Synthesis from Waste Frying Oil by Bekele, Demelash Tilahun, Shibeshi, Nurelegne Tefera, Reshad, Ali Shemsedin

“…In this study, alkali and bifunctional catalysts were synthesized for waste frying oil methyl ester (WFOME) synthesis. Coffee husk (CH) and CH blended with…”
Get full text

Characterization and Optimization of Calcination Process Parameters for Extraction of Aluminum from Ethiopian Kaolinite by Kassa, Adamu Esubalew, Shibeshi, Nurelegne Tefera, Tizazu, Belachew Zegale

“…The present study aimed to optimize the calcination process parameters (viz., temperature, time, and particles size) for the extraction of aluminum from…”
Get full text

Enhanced lead (II) adsorption from aqueous solution using sawdust-derived amino-decorated cellulose: Optimization, isotherm, kinetics, and reusability studies by Obsa, Abiy Lolasa, Shibeshi, Nurelegne Tefera, Workeneh, Getachew Adam, Mulugeta, Eyobel

“…[Display omitted] •Sawdust-derived amino-decorated cellulose (ADC) was synthesized successfully for the enhanced removal of Pb2+.•The adsorption process of…”
Get full text

Characterization of Autochthonous Lactic Acid Bacteria Isolated from a Traditional Ethiopian Beverage, Tella by Yehuala, Gashaw Assefa, Shibeshi, Nurelegne Tefera, Kim, Su-Hyeon, Park, Mi-Kyung

“…This study aimed to isolate lactic acid bacteria (LAB) from a traditional Ethiopian fermented product, , and evaluate their functional properties. Of…”
Get full text

Kinetic Analysis of Aluminum Extraction from Ethiopian Kaolinite Using Hydrochloric Acid by Kassa, Adamu Esubalew, Shibeshi, Nurelegne Tefera, Tizazu, Belachew Zegale

“…The aim of this study was kinetic investigations of aluminum extraction from Ethiopian kaolinite with hydrochloric acid. The effects of extraction parameters,…”
Get full text

Characteristic Investigations on Ethiopian Kaolinite: Effect of Calcination Temperature on Pozzolanic Activity and Specific Surface Area by Kassa, Adamu Esubalew, Shibeshi, Nurelegne Tefera, Tizazu, Belachew Zegale, Prabhu, S. Venkatesa

“…Kaolinite, a clay mineral, is an important industrial mineral which was gainfully utilized with several industrial significances. Towards mineral…”
Get full text

Potassium and zirconium promoted coffee husk ash catalysts for waste frying oil methanolysis: Kinetic and thermodynamic studies by Bekele, Demelash Tilahun, Shibeshi, Nurelegne Tefera, Reshad, Ali Shemsedin

“…[Display omitted] •Coffee husk (CH) is promising biomass to synthesis alkali and bifunctional catalyst.•Highest WFO-TG conversion (97.75%) was obtained using…”
Get full text

Heterogeneous Catalysts from Metallic Oxides and Lignocellulosic Biomasses Ash for the Valorization of Feedstocks into Biodiesel: an Overview by Bekele, Demelash Tilahun, Shibeshi, Nurelegne Tefera, Reshad, Ali Shemsedin

“…Transesterifying various grade feedstocks is a way to reduce biodiesel production costs. Non-edible feedstocks are preferable. Feedstock blending also makes…”
Get full text

Synthesis of polyaluminum chloride: Optimization of process parameters, characterization and performance investigation for water treatment by Kassa, Adamu Esubalew, Shibeshi, Nurelegne Tefera, Tizazu, Belachew Zegale

Get full text

KNO3‑Loaded Coffee Husk Ash as a Heterogeneous Alkali Catalyst for Waste Frying Oil Valorization into Biodiesel by Bekele, Demelash Tilahun, Shibeshi, Nurelegne Tefera, Reshad, Ali Shemsedin

“…In this study, a heterogeneous basic catalyst was synthesized from a catalyst composite material (CCM) of coffee husk ash and char mixture (A/C) impregnated…”
Get full text

A green composite of sodium carboxymethyl cellulose and amino-decorated cellulose reinforced with modified bentonite for removal of lead (II): Kinetics and isotherm studies by Obsa, Abiy Lolasa, Shibeshi, Nurelegne Tefera, Mulugeta, Eyobel, Workeneh, Getachew Adam

“…Water pollution, driven by Pb2+, poses a significant threat to biotics and the environment. Thus, this study addresses the issue of removing Pb2+ from an…”
Get full text

KNO 3 -Loaded Coffee Husk Ash as a Heterogeneous Alkali Catalyst for Waste Frying Oil Valorization into Biodiesel by Bekele, Demelash Tilahun, Shibeshi, Nurelegne Tefera, Reshad, Ali Shemsedin

“…In this study, a heterogeneous basic catalyst was synthesized from a catalyst composite material (CCM) of coffee husk ash and char mixture (A/C) impregnated…”
Get full text

Characterization of Autochthonous Lactic Acid Bacteria Isolated from a Traditional Ethiopian Beverage, ITella/I by Yehuala, Gashaw Assefa, Shibeshi, Nurelegne Tefera, Kim, Su-Hyeon, Park, Mi-Kyung

“…This study aimed to isolate lactic acid bacteria (LAB) from a traditional Ethiopian fermented product, Tella, and evaluate their functional properties. Of…”
Get full text