Pyrolysis of lignocellulosic, algal, plastic, and other biomass wastes for biofuel production and circular bioeconomy: A review of thermogravimetric analysis (TGA) approach

Renewable and Sustainable Energy Reviews, Journal Year: 2022, Volume and Issue: 169, P. 112914 - 112914

Published: Sept. 5, 2022

Fossil fuels are currently the most significant energy sources. They expected to become less available and more expensive, leading a great demand for conservation alternative As sustainable renewable source, Biomass has piqued interest in generating bioenergy biofuels over recent years. The thermal conversion of biomass through pyrolysis is an easy, useful, low-cost process that can be applied wide variety feedstocks. Pyrolysis characteristics different feedstock samples analyzed examined thermogravimetric analysis (TGA). TGA been essential tool widely used investigate substance under heating environments, such as thermodegradation dynamics kinetics. Studying potential waste carves pathway into circular bioeconomy regime, help tackle our heavy reliance on nonrenewable This study aims give deep insight use aiding research development portrayed by wastes discussed. effects operating parameters also illustrated. A comprehensive understanding evolved products during stage gained combining with other analytical methods. pros cons using outlined. Overall, in-depth literature review helps identify current trends technological improvements (i.e., integrating artificial intelligence) pyrolysis.

Language: Английский

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Machine learning models for the prediction of total yield and specific surface area of biochar derived from agricultural biomass by pyrolysis

Environmental Technology & Innovation, Journal Year: 2023, Volume and Issue: 30, P. 103071 - 103071

Published: Feb. 16, 2023

Organic biomass pyrolysis to produce biochar is a viable approach sustainably convert agricultural residues. The yield and SSA of are contingent upon the type conditions, their quantification necessitates investment time, energy, resources. Therefore, in this study, data from 46 different types were extracted published literature modeled based on supervised machine learning with five regression algorithms predict total biochar. In general, collected processed using exploration technique remove outliers. correlation between input variables was examined Pearson coefficient method eliminate highly correlated variables, assorted further imputed for developing predictive models. predicted by feature importance analysis reduce computational complexity latency model. Out 14 9 selected redundancy, wherein temperature demonstrated greatest relative 33.6% predicting targets. Compared other models developed SSA, Random Forests performs better, having maximum R2 value 85% minimum absolute root mean squared error (RMSE) both SSA. could help variety biomasses without need complex energy-intensive experiments.

Language: Английский

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Maximizing biodiesel production from waste cooking oil with lime-based zinc-doped CaO using response surface methodology

Scientific Reports, Journal Year: 2023, Volume and Issue: 13(1)

Published: March 17, 2023

Biodiesel is one of the alternative fuels, commonly produced chemically from oil and methanol using a catalyst. This study aims to maximize biodiesel production cheap readily available sources waste cooking (WCO) lime-based Zinc-doped calcium oxide (Zn-CaO) catalyst prepared with wet impregnation process. The Zn-CaO nanocatalyst was by adding 5% Zn into calcinated limestone. morphology, crystal size, vibrational energies CaO nanocatalysts were determined SEM, XRD, FT-IR spectroscopy techniques, respectively. response surface methodology (RSM), which based on box-Behnken design, used optimize key variables transesterification reaction. Results showed that when doped CaO, average crystalline size reduced 21.14 12.51 nm, consequently, structural irregularity area increased. experimental parameters molar ratio (14:1), loading (5% wt.), temperature (57.5 °C), reaction time (120 min) led highest conversion 96.5%. fuel characteristics generated fulfilled American (ASTM D6571) standards. suggests potential use WCO as efficient low-cost raw materials for large-scale intended versatile applications.

Language: Английский

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Emerging trends in biomass-derived porous carbon materials for hydrogen storage

International Journal of Hydrogen Energy, Journal Year: 2024, Volume and Issue: 62, P. 272 - 306

Published: March 12, 2024

To address the pressing need for sustainable energy solutions, hydrogen has emerged as a "zero-emission" source with vast potential in diverse sectors like manufacturing, transportation, and electricity generation. However, realization of economy hinges on development safe stable technologies materials storage transport. This paper presents comprehensive review latest advancements systems, particular focus porous materials. Notably, carbon derived from biomass waste have garnered attention due to their exceptional qualities. These include abundant easily accessible raw materials, simplified production processes, adjustable characteristics, cost-effectiveness, low mass density, high specific surface area porosity, structural diversity, regeneration. attributes position them promising candidates further exploration devices, particularly achieving H2 uptake capacities. The feasibility utilizing both plant- animal-based carbons is examined, encompassing activated carbons, heteroatom doped composites, pivotal components devices. synthesis characterization each form, along respective capacities, are highlighted. While material exhibits promise, it important note that they do present certain technological drawbacks. Addressing these limitations through research crucial unlocking full future applications burgeoning economy.

Language: Английский

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Biodiesel production in Ethiopia: Current status and future prospects

Scientific African, Journal Year: 2022, Volume and Issue: 19, P. e01531 - e01531

Published: Dec. 29, 2022

Due to an increase in fuel demand and efforts lessen greenhouse gas (GHG) emissions, countries around the globe are searching for different clean energy sources such as biodiesel. Biodiesel is a renewable source that appears be ideal solution meet global needs, including Ethiopia. Ethiopia imports liquid fuels its demands, although there initiatives extend nation's supply through use of biofuels. However, comprehensive assessments biodiesel's potential, challenges, production technologies lacking. This review aimed explore technological advancement, opportunities, prospects using biodiesel The latest data from governmental reports several articles published reputable journals were used sources. Transesterification, which involves reaction oil/fat with alcohol presence catalyst, standard procedure producing high biodegradability, minimal toxicity, almost zero emissions unique characteristics Therefore, can substitute fossil numerous applications, transportation internal combustion engines, without requiring major retrofits, improve rural economic potential environmental protection. results many studies have shown features engine power output comparable diesel. Alternative like should employed growing mainly sector. has huge due existence biofuel crops. Imports petroleum-based will reduced if all players sector collaborate promote variety sustainable feedstocks. accomplished by adopting existing technologies, developing regulations/policies, funding research initiatives, etc. Overall, could way better supplant diesel Ethiopia's varied demands. We believe findings presented this article highlight current future deployment.

Language: Английский

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Overview of geothermal resources utilization in Ethiopia: Potentials, opportunities, and challenges

Scientific African, Journal Year: 2023, Volume and Issue: 19, P. e01562 - e01562

Published: Jan. 25, 2023

Geothermal energy can be used to produce electricity, heat or cool buildings, and other industrial uses. It is a clean sustainable source. has generated lot of interest recently because its several advantages, including less negative effects on the environment, continuous power generation, low greenhouse gas emissions, universal accessibility. All these contribute geothermal becoming crucial component world's environmentally friendly production. Ethiopia access wide variety renewable sources, sizable potential with capacity over 10,000 megawatts electricity. The Great Rift Valley runs 1,000 km from Red Sea-Gulf Aden junction in northwest Turkana Depression south, provides Valley's enormous nation. Only 7.3 MW electricity are currently produced resources Ethiopia. Even though usage this resource still infancy, considerable for it. expansion country being driven by need diversify hydropower into as well an imbalance demand supply country. However, there few thorough analyses energy's potential, challenges, technological advances. This review article detailed evaluation Ethiopia's future prospects. most recent data was gathered published papers various types literature. study recommends making use nation's alternative technology minimal impact both environment socioeconomic system. not only revealed country's but also challenges solutions issue expanding Furthermore, effective ways producing utilizing sources were looked into, along some perspectives based difficulties associated efficient Although primarily information about energy, our opinion it could helpful countries within East African region.

Language: Английский

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A systematic review and bibliometric analysis of electric cooking: evolution, emerging trends, and future research directions for sustainable development

Sustainable Energy Research, Journal Year: 2024, Volume and Issue: 11(1)

Published: June 27, 2024

Abstract Many developing countries, particularly in Africa and Asia, still widely use traditional cooking methods that rely on solid fuels such as wood charcoal. These inefficient polluting practices have severe health impacts due to household air pollution, they contribute environmental degradation through deforestation black carbon emissions. This has driven growing interest cleaner more sustainable alternatives electric (e-cooking), improved biomass cookstoves, biogas systems, modern fuel stoves can reduce emissions consumption while providing a safer experience. E-cooking emerged promising option sustainability, benefits, energy efficiency, convenience, safety, potential for grid integration, making it alternative methods. study followed the PRISMA guidelines systematic reviews assess existing literature e-cooking from 1993 2023. In addition, biblioshiny package R software was used perform bibliometric analysis identify key trends evolutions. The results indicate United Kingdom, States, Japan, Australia, China are top five countries leading research. identified areas future research, optimising solar e-cookers using artificial intelligence techniques, integrating internet of things automation technologies e-cookers, appliances into smart examining effective behavioural change interventions, exploring innovative business models. findings highlight need interdisciplinary collaboration among researchers, engineers, social scientists, policymakers address technical, economic, socio-cultural, factors influencing transition e-cooking.

Language: Английский

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Ultralow RuO₂ Doped NiS₂ Heterojunction as a Multifunctional Electrocatalyst for Hydrogen Evolution linking to Biomass Organics Oxidation

Small, Journal Year: 2024, Volume and Issue: 20(24)

Published: Jan. 2, 2024

Abstract Hydrogen energy and biomass are green sustainable forms that can solve the crisis all over world. Electrocatalytic water splitting is a marvelous way to produce hydrogen platform molecules be added into electrolyte reduce overpotential meanwhile converted some useful organics, but key point design of electrocatalyst. Herein, ultralow noble metal Ru doped NiS 2 form RuO @NiS heterojunction. Amongst them, 0.06 has low overpotentials 363 mV for OER 71 HER in 1 m KOH, which superior Pt/C. Besides, shows 173 KOH+0.1 glycerol, glycerol oxidized glyceraldehyde formic acid via high Faraday efficiency GlyOR process, voltage only 1.17 V. In addition, 206 glucose, glucose glucaric acid, lactic acid. This work “one stone three birds” effect production hydrogen, voltage, high‐value‐added chemicals.

Language: Английский

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Pyrolysis of large biomass particles: model validation and application to Coffee Husks valorization

Journal of Analytical and Applied Pyrolysis, Journal Year: 2025, Volume and Issue: 188, P. 107028 - 107028

Published: Feb. 14, 2025

Language: Английский

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Understanding of synergy in non-isothermal microwave-assisted in-situ catalytic co-pyrolysis of rice husk and polystyrene waste mixtures

Bioresource Technology, Journal Year: 2022, Volume and Issue: 360, P. 127589 - 127589

Published: July 7, 2022

Language: Английский

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