Chemical Engineering Journal, Год журнала: 2024, Номер 497, С. 154660 - 154660
Опубликована: Авг. 8, 2024
Язык: Английский
Biochar, Год журнала: 2024, Номер 6(1)
Опубликована: Июнь 21, 2024
Abstract Biochar, a carbon-rich material produced from biomass waste through thermal conversion, holds great environmental promise. This article offers comprehensive overview of the various feedstocks used in biochar production, different types degradation processes, characterization, properties, modifications to engineered materials, and their applications environment. The quality biochar, including surface area, pore size volume, functional group formation, is significantly influenced by specific conditions under which conversion takes place. Each diverse processes employed produce yields distinct set properties final product. In recent years, has gained widespread recognition utilization fields such as wastewater treatment, carbon sequestration, reduction greenhouse gas emissions, biogas catalysis biofuel industries, construction, soil enhancement. summary, promising mitigation tool achieve sustainable addition its benefits, application presents several challenges, selection feedstocks, methods biochar. current review summarizes factors that could lead significant advancements future applications. Graphical
Язык: Английский
Процитировано
24
International Journal of Thermofluids, Год журнала: 2024, Номер 24, С. 100849 - 100849
Опубликована: Сен. 6, 2024
Язык: Английский
Процитировано
16
Energy Conversion and Management, Год журнала: 2024, Номер 321, С. 119037 - 119037
Опубликована: Сен. 21, 2024
Язык: Английский
Процитировано
16
International Journal of Thermofluids, Год журнала: 2024, Номер 22, С. 100660 - 100660
Опубликована: Апрель 16, 2024
This study investigates the intricate thermal decomposition behavior and combustion characteristics of two distinct types wheat straw pellets (WSP) represented as T1 (100% straw) T5 (70% straw; 10% sawdust, biochar; bentonite clay). Through a thermogravimetric analyzer (TGA) undergo under varying heating rates (5, 10, 20°C/min) in an air atmosphere, ranging from 25 to 1200°C. Differential analyses reveal four stages biomass components. The results indicate that optimal rate is 20°C/min, resulting highest reaction (∼50%/min) most substantial mass loss (∼55%) for both pellets. Notably, pellet demonstrates lower ignition temperature (207°C, at higher burnout (457°C 10°C/min) compared pellet, indicating its superior suitability combustion. efficiency ranges 61.0 99% within range 300 700°C, similar coal Additionally, thermodynamic properties (Di, Db, C, S) suggest promising potential WSP bioenergy feedstock. Furthermore, demonstrate temperatures (Ti) than T5, indicative rapid energy potential. (Tb) revealed scenarios. These findings hold significance design gasification or reactors industrial utilization biomass. insights gathered this offer valuable guidance designing enhancing systems fostering sustainable practices utilizing agricultural residues production.
Язык: Английский
Процитировано
11
International Journal of Thermofluids, Год журнала: 2024, Номер 22, С. 100597 - 100597
Опубликована: Фев. 9, 2024
The production of green hydrogen is a key factor for decarbonization, and increasing its strategy great importance to diversify the electricity sector solve problems meeting demand caused by constant growth world's population. However, has not been actively pursued due high capital investment required. To ensure economic sustainability production, in addition finding optimal combination renewable energy sources, geographical location, suitable climatic conditions water electrolysis technologies, it necessary find right financing structure fiscal policy. In this study, combinations three types such as offshore wind, onshore solar photovoltaic, conjunction with PEMWE AWE have thoroughly investigated determine technical feasibility production. realistic calculations made using meteorological information from databases NASA IDEAM, measurements one-year time window, based on this, estimated electrical produced calculated mathematical model. With result, determined, which, integrated financial variables, determines viability. addition, sensitivity analysis was performed evaluate impact each component LCOH price. As result calculations, wind case lowest at 7 USD/kg, while highest 9.69 USD/kg. On other hand, 12 payback period around years, more than 25 years. shows that capacity most influential aspect LCOH, followed CAPEX, OPEX rate. This study lays foundation development methodology identify efficient system through electrolysis, prioritizing use sources promoting decarbonization. turn, projects Colombia accelerates compliance entry multi-Latin companies focused ESG index.
Язык: Английский
Процитировано
9
Journal of environmental chemical engineering, Год журнала: 2025, Номер unknown, С. 115458 - 115458
Опубликована: Янв. 1, 2025
Язык: Английский
Процитировано
1
Sustainability, Год журнала: 2025, Номер 17(3), С. 1277 - 1277
Опубликована: Фев. 5, 2025
The explosion of plastic waste generation, approaching 400 million tons per year, has created a worldwide environmental crisis that conventional management systems cannot handle. This problem can be solved through gasification, which converts nonrecyclable plastics to syngas with potential applications in electricity generation and synthetic fuel production. study investigates whether production from by gasification is environmentally economically feasible. Environmental impacts were assessed life cycle assessment framework using impact approach, ReCiPe 2016, 10 midpoint/endpoint categories. Midpoint results the baseline scenario grid-mix revealed climate change (GWP) 775 kg CO2 equivalent fossil depletion (FDP) 311 oil ton waste. Meanwhile, solar showed GWP as 435 FDP 166 Switching energy cut 44% 47%, respectively. However, tradeoffs higher human toxicity (HTP) marine ecotoxicity (METP) due upstream material extraction renewable systems, Among performance drivers, inputs operating materials identified sensitivity uncertainty analyses. Syngas plant 50 day yield sales revenue USD 4.79 million, excluding 4.05 operational expenditures. Financial indicators like 2.06-year payback period, 5.32 net present value over 20-year project life, 38.2% internal rate return indicate profitability system. An external cost analysis emissions-related costs 26.43 processed, dominated NOx emissions. Despite these costs, avoided less landfilling/incineration support gasification. Gasification should promoted subsidy incentive policymakers for wider adoption integration into municipal systems. Findings show it adapted global sustainability goals circular economy principles while delivering strong economic returns. findings also contribute several Sustainable Development Goals (SDGs), instance, SDG 7 promoting clean technologies, 12 implementing economy, 13 reducing greenhouse gas (GHG)
Язык: Английский
Процитировано
1
International Journal of Energy Research, Год журнала: 2024, Номер 2024(1)
Опубликована: Янв. 1, 2024
This comprehensive review delves into the intersection of ensemble machine learning models and interpretability techniques for biomass waste gasification, a field crucial sustainable energy solutions. It tackles challenges like feedstock variability temperature control, highlighting need deeper understanding to optimize gasification processes. The study focuses on advanced modeling random forests gradient boosting, alongside methods Shapley additive explanations partial dependence plots, emphasizing their importance transparency informed decision‐making. Analyzing diverse case studies, explores successful applications while acknowledging overfitting computational complexity, proposing strategies practical robust models. Notably, finds consistently achieve high prediction accuracy (often exceeding R 2 scores 0.9) gas composition, yield, heating value. These (34% reviewed papers) are most applied method, followed by artificial neural networks (26%). Heating value (12%) was studied performance metric. However, is often neglected during model development due complexity permutation Gini importance. paper calls dedicated research utilizing interpreting models, especially co‐gasification scenarios, unlock new insights process synergy. Overall, this serves as valuable resource researchers, practitioners, policymakers, offering guidance enhancing efficiency sustainability gasification.
Язык: Английский
Процитировано
8
Discover Environment, Год журнала: 2024, Номер 2(1)
Опубликована: Ноя. 27, 2024
The rapid increase in global energy demand and the depletion of fossil fuels highlight importance biomass as a renewable source. Biomass, especially agricultural by-products rich hemicellulose, cellulose, lignin, offers sustainable alternative for producing value-added products. generation power, heat, biofuels from has gained increasing significance today's landscape. This review explores potential advanced conversion technologies, with focus on thermochemical biochemical processes key methods optimizing waste management strategies. It examines these technologies converting wastes into bioenergy, such biogas, syngas, bio-oil, biochar, digestate, while detailing their operational parameters, technological principles, implementation prospects. While biological are limited by long processing times low yields, challenged high costs temperature requirements. also compares advantages challenges each method to assess overall effectiveness suitability. Further research feedstock pretreatment, catalyst development, system optimization is essential advancing biofuel production.
Язык: Английский
Процитировано
7
Energy Conversion and Management, Год журнала: 2024, Номер 306, С. 118304 - 118304
Опубликована: Март 21, 2024
The present research work aims to a uniquely designed renewable energy-based integrated system along with an equilibrium model for the processing of feedstock by following hybrid route thermochemical and biochemical ways. In this regard, Canadian maple leaves plastic wastes are selected as potential feedstocks co-pyrolysis syngas fermentation. influence process parameters on overall performance is investigated assessed. Also, several sensitivity analyses performed determine optimal operating that can generate maximum yields hydrogen ethanol. further thermodynamically in terms energetic exergetic approaches efficiencies. study shows molar flow ratio 1:1 wastes, temperature 1000°C temperature, pressure 1 bar appear be most suitable conditions net production capacities 7.43 tons/day 8.72 cold gas efficiency LHV produced found 57.23% 19.96 MJ/kg, respectively. efficiencies 30.98% 26.88%,
Язык: Английский
Процитировано
6