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Publications (14)
This study aimed to determine the optimal enzymatic hydrolysis parameters for bioethanol production from pretreated coffee pulp (CP@B) and evaluate the environmental impact of this production. To this end, the physicochemical properties of coffee pulp (CP) and pretreated coffee pulp (CP@B) were analyzed using XRD, TGA, SEM, and EDX/EDX-mapping tech...
The effectiveness of activated carbons in the adsorptive removal of 2,4-dinitrophenol (DNP) in aqueous solutions was evaluated both theoretically and experimentally after they were made from coconut shells. Coconut shell was subjected to pyrolysis (600 °C) and chemically activated with various solutions containing phosphoric acid (H3PO4); H3PO4⁺ an...
This study reports the extraction of phenolic compound from shells and kernels of the Raphia farinifera fruit and the biological activities of the extract. A face-centered composite design was established to optimize the extraction conditions: ethanol/water ratio (0-100%), solvent/powder ratio (10-30 mL/g), and extraction time (90-180 min). Subsequ...
The influence of steam explosion pretreatment in a basic medium on spectroscopic, morphological, and structural characterization on the thermal degradation of watermelon peels was investigated. Therefore, proximate, ultimate, thermo gravimetric analysis, Raman spectroscopy, energy-dispersive X-ray spectroscopy, X-ray diffraction, N2 adsorption/deso...
TiO 2-doped ferromagnetic (TiFeBC) composites were synthesised from lignocellulosic orange peel biochar (BC) material using co-precipitation method. Several characterization techniques (XRD, SEM, EDX, FT-IR, EIS and N 2 adsorption-desorption) were used to confirm the presence of Fe 3 O 4 and TiO 2 particles impregnated within the carbonaceous matri...
The present study reports on the performance of activated carbons derived from cocoa pods impregnated with H 3 PO 4 (CCCP) and ZnCl 2 (CCCZn) on the removal of Reactive blue 19 from a simulated wastewater. Central composite design, including three factors namely temperature (X 1), concentration of the activating agent (X 2) and time (X 3) of calcin...
A ferromagnetic activated carbon, CA-HP@FeII was used as a heterogeneous catalyst in the Fenton
oxidation process for the removal of Bezaktiv Brilliant Blue dye from contaminated water. It was prepared by optimizing the activation of rubber seed hull with phosphoric acid, modified with iron(II)
sulfate. The ferromagnetic activated carbon was charac...
Activated carbons currently represent a feasible adsorbent substrate for the removal of organic and inorganic compounds from solutions, due to their large specific surface area and high porosity. The chemical characterization of activated carbon and the environmental burden related to its production are a crucial point that challenges researchers a...
Waste cooking oils are an agro-food waste with adverse effects on the health of living organisms and the environment. The main objective of this work is to valorize waste cooking oil for the synthesis and physicochemical characterization of biodiesel. The method used is based on the transesterification reaction of the oils using methanol and a basi...
The aim of this work was to investigate lipase activities in crude extracts from Adansonia suarezensis, Adansonia grandidieri, Moringa drouhardii, Moringa oleifera, Jatropha mahafalensis and Jatropha curcas seeds in ethanolysis and hydrolysis reactions. All crude extracts from germinated seeds showed both ethanolysis and hydrolysis activities. The...
