Optimization and Modeling of Cr (VI) Removal from Tannery Wastewater onto Activated Carbon Prepared from Coffee Husk and Sulfuric Acid (H2SO4) as Activating …

A Temesgen Abeto, SM Beyan… - … and Public Health, 2023 - Wiley Online Library
The primary goal of this research is to lower the hexavalent chromium (Cr (VI)) concentration
that has occurred from the growth of the tannery industry. As a result, the potential for heavy …

Synthesis and application of biomass-derived magnetic biochar catalyst for simultaneous esterification and trans-esterification of waste cooking oil into biodiesel …

SL Majamo, TA Amibo, TK Bedru - Materials for Renewable and …, 2023 - Springer
This work created, characterized, and used a magnetic biochar catalyst that is both eco-
friendly and very effective. Sugarcane bagasse was selected as primary raw material for …

Process optimization for acid hydrolysis and characterization of bioethanol from leftover injera waste by using response surface methodology: central composite …

A Bekele Bayu, T Abeto Amibo… - International Journal of …, 2022 - Wiley Online Library
In this study, leftover injera waste from the southwestern parts of Ethiopia was used as a raw
material for bioethanol production. The conversion of this biomass into ethanol involved …

Expermental investigation on adsorption of methylene blue dye from waste water using corncob cellulose-based hydrogel

SL Majamo, TA Amibo, DT Mekonnen - Scientific Reports, 2024 - nature.com
Hydrogel from corncob cellulose was synthesized in this investigation. The synthesized
Hydrogel was characterized by SEM, XRD, and FTIR instruments. As the results indicate the …

Effect of neem oil biodiesel on the surface and structural integrity of carbon steel alloy: Chromatographic, spectroscopic, and morphological investigations

KK Adama, KE Ukhurebor, K Pal, I Hossain - International Journal of …, 2024 - Elsevier
This study explores the impacts of neem oil biodiesel (BD), which was produced and
characterized using GC–MS, FTIR, and UV–Vis spectroscopic techniques to elucidate pure …

Wastewater treatment using a photoelectrochemical oxidation process for the coffee processing industry optimization of chemical oxygen demand (COD) removal …

FB Abdi, ZA Samuel, SK Debela… - International Journal of …, 2022 - Wiley Online Library
The elimination of organic compounds in coffee processing effluent utilizing electrochemical
oxidation (ECO) as well as a combination of electrochemical oxidation (ECO) and ultraviolet …

Comparison of sono-direct and sono-alternate current electrocoagulation processes for removal of color and turbidity from domestic wastewater

L Regea Mengistu, Z Asmelash Samue… - … Health Engineering and …, 2022 - ehemj.com
Background: Nowadays there is a problem related to wastewater handling which is released
from different activities. Electrocoagulation has been a dominant treatment method for …

Comparison study on sonodirect and sonoalternate current electrocoagulation process for domestic wastewater treatment

LR Mengistu, ZA Samuel, CD Kitila… - International Journal of …, 2022 - Wiley Online Library
Nowadays, there is a problem related to wastewater handling which is released from
different activities. The electrocoagulation method has been a dominant treatment method …

Blended natural and synthetic coagulants for the COD and BOD removal from surface water; optimization by response surface methodology: The case of Gibe river

Y Endale, ZA Samuel, S Kebede, AB Bayu - Heliyon, 2024 - cell.com
A novel wastewater treatment method is presented in this study. It combines natural
coagulants derived from watermelon seeds with the commonly used synthetic coagulant …

Use of Sulfuric Acid-Impregnated Biochar Catalyst in Making of Biodiesel From Waste Cooking Oil Via Leaching Method

MI Sofyan, PJ Mailani, AW Setyawati… - Bulletin of Chemical …, 2024 - journal.bcrec.id
The biodiesel synthesis of waste cooking oil (WCO) over a impregnated biochar catalyst was
systematically studied. This research aimed to prepare Biochar-based material that comes …