Economical feedstocks such as agricultural wastes, food and waste cooking oil were used for biodiesel production to expand their application. Thus, a solid base catalyst was synthesized from mixture of ripe unripe plantain peels at calcination temperature 500 °C 4 h. The characterized using Scanning Electron Microscope (SEM), X-ray Diffraction (XRD) analysis, Fourier Transform Infrared (FT-IR) spectroscopy, Energy dispersive (EDX) Brunauer-Emmett-Teller (BET) method. (WCO) in this study...

A heterogeneous catalyst was developed from raw Kwale red Anthill mud by thermal treatment in a muffle furnace at 900 °C for 4 h. The resulting highly porous with surface area of 42.16m2/g, possessing excellent stability as well high catalytic activity. Central Composite Design and Machine Learning approach (Python code) were applied to model optimize biodiesel yield extracted watermelon oilseed. Highest 93.41 wt% obtained under the experimental conditions 4min duration, 350 W microwave...

Improvement in biofuel synthesis technology could facilitate widespread utilization of biodiesel, and an efficient operation terms cost. Catalyst enhancement through mineralization waste biogenic material is vital for biodiesel production. In this study, production was from cooking oil (WCO) using a bifunctional catalyst synthesized eggshells ferric sulfate. The CaO precursor developed calcined eggshell at 800 °C 3 h impregnated with sulfate ratio 1:1. Bifunctional characterized X-ray...

Application of solid catalysts synthesized from agricultural wastes provides an environmentally benign and low-cost process path to synthesize biodiesel. An ash containing equal mixture cocoa pod husk, plantain peel kola nut husk ashes (CPK) was obtained by open combustion each the biomass in air calcined at 500 °C for 4 h. The CPK characterized determine its catalytic potential. Two-level transesterification technique used biodiesel using developed catalyst. parameters involved were...

This present work explored the possible use of sandbox seed (Hura crepitans) shell (SSS) waste as a feedstock for synthesizing green solid alkali biocatalyst in microwave-aided oil (SBO) transesterification to obtain SBO biodiesel (SBOB). The catalyst was produced using calcination method by burning raw SSS open air ash heated 3 h furnace at 500 oC. calcined (CSSA) characterized standard techniques establish its catalytic potency. Also, model developed simulate process and examine...

The utilization of various feedstocks unique characteristics in producing biogas could potentially enhance the application clean fuel from biomass wastes. Two modelling tools were used to explore production plant and animal In this study, corn chaff was inoculated with cow dung digestate using different mixing ratios substrate/inoculum (S/I) 1:1, 1:1.55, 1:3.5 for hydraulic retention time (HRT) 25, 31, 37 days as modelled Central Composite Design (Face Centered Design) optimize process...

Biodiesel synthesis from waste cooking oil (WCO) and honne (Calophyllum inophyllum) seed (HSO) blend with heterogeneous (calcined Ba(OH)2 calcined biomass (CBW) Enterolobium cyclocarpum) homogeneous (KOH) catalysts via two-step irradiated-transesterification process was evaluated in this study. The modeling optimization of the two processes were studied using Taguchi orthogonal array technique. factors considered for esterification methanol/WCO-HSO ratio (10:1–30:1), time (2–8 min), heating...

Enzymes are valuable in many biofuels production processes, and their wide application has generated significant market demand recent years. To develop lignocellulosic fuels a biorefinery, high cost low catalytic efficiency of cellulase major obstacle the industrial use this enzyme. A techno-economic assessment by Trichoderma reesei submerged fermentation (SmF) processes was carried out study. SuperPro Designer Software used to process model that estimated economic analysis creating...

Compression ignition CI engine are versatile engines required for both industrial and domestic purposes. finds application in household mill, transportation as components energy plants. Operating the with biodiesel its combination fossil-based diesel is being encouraged to combat environmental menace of using only fossil diesel. This current work seeks probe into comparison between use emulsion improve performance engine. Methyl esters was synthesized from blends three nonedible oils;...

Abstract Anaerobic digestion of abundant feedstock from biomaterials is a good innovative fossil fuel alternative approach for the synthesis green (biogas). Rotatable central composite design (CCD) and machine learning (ML) via Python coding were successfully used to design, optimize, predict rate biogas production stew‐rice eggs digestate with Udara seeds in an anaerobic unit. Two‐input parameters, such as inoculation ratio ( S / I ) hydraulic reaction time (HRT) considered, resulting 13...

Abstract This study investigated the potential application of an active biocatalyst from pawpaw ( Carica papaya ) trunk for direct microwave irradiation‐aided transesterification kariya Hildegardia barteri seed oil (KSO) with methanol to obtain biodiesel. The process involved was modeled, and effects essential input variables on methyl ester (KSOME) yield were examined, followed by optimization maximize KSOME yield, using Taguchi orthogonal array design method. produced a calcination in...

The current study investigated the esterification of Khaya senegalensis seed oil (KSSO) with a high free fatty acid (FFA) using ferric sulfate (Fe2(SO4)3) as solid heterogeneous catalyst. Taguchi design approach was applied in modeling and optimizing input variables to obtain minimum %FFA for KSSO process. Besides optimization, kinetic thermodynamic studies process were carried out pertinent data required reactor design. optimum values (0.49) are temperature 60 °C, methanol-to-KSSO ratio...

Anaerobic digestion of abattoir wastes under mesophilic conditions was carried out to investigate how different modeling tools affect biogas yield in order be subsequently used for process optimization. Response Surface Methodology (RSM) and Artificial Neural Networks (ANNs) were employed optimize the process, assess individual interactive effect incubation time, temperature, pH on yield. The digester this study produced an average 0.00103 m3/kg VS daily from cow-dung. Gas chromatographic...

The sustainability of any symbolic development is hinged on renewable energy like bioethanol. This study investigated the applicability corn steep liquor (CSL) as both carbon and nitrogen sources in bioethanol production using Saccharomyces cerevisiae. CSL used was characterized to ascertain its physical chemical properties. first applied place yeast extract inoculum medium later fermentation medium, acting sources. Box-Behnken design develop optimal variables (time, substrate concentration...