Chemical Engineering: Recent submissions

Now showing items 21-40 of 84

An integrated approach to optimization of fermentation conditions for bioethanol production from local leftover Injera waste using central composite design Article

Bayu, Abreham Bekele; Akuma, Desalegn Abdissa; Hundie, Ketema Beyecha (2022-09-12)

Bioconversion of lignocelluloses to biofuel from cheap non-edible materials such as local leftover Injera waste for renewable energy is very important and minimizes environmental pollution. Local leftover Injera is an ...
Solid sulfonated silica acid catalyst for epoxidation of podocarpus falcatus seed oil Article

Bayisa, Yigezu Mekonnen; Teso, Werku Aweke (2021-11-01)

This study presents epoxidizing podocarpus falcatus seed oil through epoxidation reaction by using synthesized solid sulfonated silica catalyst from locally available sugarcane bagasse ash. The prepared sulfonated solid ...
Investigation on Reinforcement Effects of Nanocellulose on the Mechanical Properties, Water Absorption Capacity, Biodegradability, Optical Properties, and Thermal Stability of a Polyvinyl Alcohol Nanocomposite Film Article

Bacha, Ebise Getacho; Demsash, Hundessa Dessalegn; Shumi, Lema Deme; Debesa, Bune Erre (2022-06-03)

This paper presents the reinforcement of nanocellulose (NC) in polyvinyl alcohol (PVA) to examine the effect of the amount of reinforcement on the properties of PVA. The nanocellulose was successfully extracted by sulfuric ...
Optimization of Essential Oil Extraction from Bitter Leaf (Vernonia Amygdalina) by Using an Ultrasonic Method and Response Surface Methodology Article

Biru, Meron Asteraye; Waday, Yasin Ahmed; Shumi, Lema Deme (2022-08-16)

Bitter leaf (Vernonia amygdalina) is a common bush or small tree that grows in tropical Africa. In the Ethiopian highland, the bitter leaf has been classi ed by the farmer as a versatile tree with high biomass yield and ...
Parametric optimization of sweet potato‑based glucose syrup production and preservation: a response surface methodology approach Article

Gebru, Gebreselassie Gebregziabiher; Sibhatu, Hagos Kalu; Bairu, Abraha Gebremeskel (2022-09-07)

Sweet potato is one of the largest sources of starch. Due to this fact, it can be utilized to obtain value-added products. This research aims at optimizing the operation parameters for sweet potato-based glucose syrup ...
Epoxidation of Podocarpus Falcatus Oil by Sulphuric Acid Catalyst: Process Optimization and Physio-chemical Characterization Article

Mekonnen, Yigezu (2021-07-21)

Recently environmental awareness and reduction of world fossil fuel reserves have enforced the need to look for a replacement of mineral oils with environmentally friendly and nontoxic epoxy oil vegetable-based. The ...
Optimizing process parameter for biodiesel production from avocado peel oil using chicken eggshell biocatalysts using central composite design (CCD) Article

Bayisa, Yigezu Mekonnen; Bullo, Tafere Aga; Hundie, Ketema Beyecha (2022-10-13)

In this study, we investigated the application of waste avocado peel oil (WAPO) as a convenient and abundant source for biodiesel production using calcium oxide (CaO) biocatalysts derived from waste chicken eggshell ...
ICT System for 14.0 Adoption: Comparative Study to Assess the Readiness in Manufacturing MSMEs Article

Nandhini, S; Palanivelu, V. R.; Panigrahy, Asisa Kumar; Vignesh, N. Arun; Kasirajan, Ramachandran (2022-08-11)

One of India’s fastest-growing industries is the manufacturing sector centered on exports. Additionally, it has a greater impact on the economic development of India. Technology in the export-oriented manufacturing sector ...
ICT System for 14.0 Adoption: Comparative Study to Assess the Readiness in Manufacturing MSMEs Article

Nandhini, S.; Palanivelu, V. R.; Panigrahy, Asisa Kumar; Vignesh, N. Arun; Kasirajan, Ramachandran (2022-08-11)

One of India’s fastest-growing industries is the manufacturing sector centered on exports. Additionally, it has a greater impact on the economic development of India. Technology in the export-oriented manufacturing sector ...
Modeling and Optimization of Biodiesel Production from Croton macrostachyus Leaves Oil Article

Jiru, Edo Begna; Aklilu, Ermias Girma; Kasirajan, Ramachandra; Ancha, Venkata Ramayya (2022-07-25)

The biodiesel produced from Croton macrostachyus (CM) leaves mostly contains unsat urated fatty acid esters with low stability of oxidation. A Croton macrostachyus (CM) leaf, a non-edible resource, was utilized to produce ...
Biosynthesis of sulfonated carbon catalyst from carbohydrate polymer derivatives for epoxidation of Croton macrostachyus seed oil Article

Bullo, Tafere Aga; Bayisa, Yigezu Mekonnen; Bultum, Mohammed Seid (2022-05-10)

In the present study, biosynthesis of sulfonated carbon acid catalyst from brewery spent grain through carbonation process followed by sulphonation method used for production of epoxy oil from Croton macro stachyus seed ...
Optimization of fermentation condition for production of lactic acid from khat (“Catha edulis”) waste by using immobilized Lactobacillus plantarum Article

Tefara, Sisay Fanta; Jiru, Edo Begna; Bairu, Abraha G/Meskel (2022-05-13)

Production of lactic acid from lignocellulosic biomass is becoming more popular as a way to solve the problem associated with frst-generation biomass. In the present study, the optimum fermentation parameters for maximum ...
Optimization of soluble phosphate and IAA production using response surface methodology and ANN approach Article

Waday, Yasin Ahmed; Aklilu, Ermias Girma; Bultum, Mohammed Seid (2022-11-30)

Phosphorus (P) is often found inaccessible to plants, as it forms precipitates with cations and can be converted to accessible forms by using Phosphate solubilizing bacteria (PSB). In the present study, isolation and ...
Investigation of biodiesel production parameters by transesterification of watermelon waste oil using definitive screening design and produced biodiesel characterization Article

Hundie, Ketema Beyecha (2022-06-10)

In the present work, biodiesel was produced from watermelon waste oil by the transesterification process. A definitive screening design was used to investigate the effect of transesterification parameters such as catalyst ...
A comprehensive review on green perspectives of electrocoagulation integrated with advanced processes for effective pollutants removal from water environment Thesis

Othmani, Amina (2022-09-14)

The rapidly expanding global energy demand is forcing a release of regulated pollutants into water that is threatening human health. Among various wastewater remediating processes, electrocoagulation (EC) has scored a ...
Synthesis of Bio-based oxides nano-composites catalyst from croton macrostachyus leaves for biodiesel production from croton macrostachyus seed oil Article

Kasirajan, Ramachandran (2022-06-19)

This study explored the prospective of croton macrostachyus leaves as bio-based minerals rich resource found for metal oxides nano-catalyst synthesis by sol–gel-thermal oxidation method and the seeds as a future lipid-rich ...
Optimization Of The Total Reducing Sugars Yield From Dilute Acid Hydrolysis And Bio Ethanol Production From Moringa Oleifera Seeds Husk Thesis

Fayruza Jemal; K. Ramachandran; Abowerk Wagank (2020-01)

The objective of this thesis is bioethanol production from moringa oleifera seeds husk, which is in effects to minimize energy cost and substituting non-renewable energy by renewable resources. Moringa oleifera is a ...
Optimization of Biodiesel Production Parameters from Cucurbita maxima Waste Oil Using Microwave Assisted via Box-Behnken Design Approach Article

Hundie, Ketema Beyecha (2022-04-22)

The production of biodiesel from vegetables or fruits waste oils has high potential as renewable energy. The Cucurbita maxima wastes are massive source of oils, which are believed to indicate the possible sources of ...
Process Optimization for Acid Hydrolysis and Characterization of Bioethanol from Leftover Injera Waste by Using Response Surface Methodology: Central Composite Design Article

Bayu, Abreham Bekele; Amibo, Temesgen Abeto; Beyan, Surafel Mustefa (International Journal of Analytical Chemistry, 2022-04-06)

In this study, leftover injera waste from the southwestern parts of Ethiopia was used as a raw material for bioethanol production. 'e conversion of this biomass into ethanol involved processing techniques, which include ...
Removal of Phosphate from the Healthcare Wastewater Through Peroxi‑Photoelectrocoagulation Process: Efect of Process Parameters Article

Fekadu, Samuel; Alemayehu, Esayas; Asaithamb, Perumal; Bruggen, Bart Van der (2022-01-05)

Among various anionic pollutants encountered in many wastewater efuents, phosphate is an important one. Excessive concentration levels of phosphate must be reduced from wastewater to prevent efects on aquatic ecosystems. ...

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