International Journal of Hydrogen Energy, Journal Year: 2024, Volume and Issue: 70, P. 729 - 736
Published: May 20, 2024
Language: Английский
Environmental Chemistry Letters, Journal Year: 2024, Volume and Issue: 22(3), P. 1005 - 1071
Published: Feb. 13, 2024
Abstract The excessive reliance on fossil fuels has resulted in an energy crisis, environmental pollution, and health problems, calling for alternative such as biodiesel. Here, we review computational chemistry machine learning optimizing biodiesel production from waste. This article presents techniques, characteristics, transesterification, waste materials, policies encouraging Computational techniques are applied to catalyst design deactivation, reaction reactor optimization, stability assessment, feedstock analysis, process scale-up, mechanims, molecular dynamics simulation. Waste comprise cooking oil, animal fat, vegetable algae, fish waste, municipal solid sewage sludge. oil represents about 10% of global production, restaurants alone produce over 1,000,000 m 3 annual. Microalgae produces 250 times more per acre than soybeans 7–31 palm oil. Transesterification food lipids can with a 100% yield. Sewage sludge significant biomass that contribute renewable production.
Language: Английский
Citations
45
Environmental Chemistry Letters, Journal Year: 2024, Volume and Issue: 22(3), P. 1115 - 1154
Published: Feb. 2, 2024
Abstract The global expansion of the bioenergy industry raises concerns, emphasizing need for careful evaluation and sustainable management. To facilitate this, life cycle assessments beyond greenhouse gas emissions energy balance are essential, along with standardization assessment methodologies to enable meaningful comparisons. Here, we review assessment, chemical aspects, policy implication production. We discuss in terms concepts, methods, impacts, gases, land use, water consumption, bioethanol, biodiesel, biogas, techno-economic analysis. Chemical aspects comprise reaction processes means improve efficiency. Concerning policies, tools, frameworks that encourage production presented. found carbon dioxide removal ranges from 45 99% various processes. also emphasizes importance chemistry advancing a more secure future.
Language: Английский
Citations
39
Environmental Chemistry Letters, Journal Year: 2024, Volume and Issue: 22(2), P. 505 - 560
Published: Feb. 6, 2024
Abstract Membrane filtration is a major process used in the energy, gas separation, and water treatment sectors, yet efficiency of current membranes limited. Here, we review use machine learning to improve membrane efficiency, with emphasis on reverse osmosis, nanofiltration, pervaporation, removal pollutants, pathogens nutrients, separation carbon dioxide, oxygen hydrogen, fuel cells, biodiesel, biogas purification. We found that brings substantial improvements performance leading specialized remarkable potential for various applications. This integration offers versatile solutions crucial addressing global challenges sustainable development advancing environmental goals. techniques capture purification industrial gases, aiding reduction dioxide emissions.
Language: Английский
Citations
26
Environmental Chemistry Letters, Journal Year: 2024, Volume and Issue: 22(4), P. 1607 - 1613
Published: March 19, 2024
Language: Английский
Citations
24
Process Safety and Environmental Protection, Journal Year: 2024, Volume and Issue: 186, P. 1149 - 1168
Published: April 18, 2024
The incorporation of biomass waste into the process wealth creation through production hydrogen, a significant fuel source for renewable energy. Hydrogen from various sources, including crop remnants, algae, or waste, makes use easily accessible and materials, ensuring an uninterrupted supply without exhausting fossil reserves. Traditional techniques, like gasification pyrolysis, used hydrogen residues, present notable challenges such as high temperature pressure demands, substantial capital investment, risk releasing pollutants. Conversely, innovative approach photoelectrocatalytic green stands at vanguard clean energy advancements, holding great promise directly deriving with help sunlight, offering genuinely sustainable eco-friendly resolution. integration sunlight extra electrical stimulus biomass-to-hydrogen conversion, leveraging resources that are abundantly available continuously renewed, endorses truly nature this process. resultant fuel, created method, burns cleanly, emitting solely water vapor thus significantly curbing greenhouse gas emissions air pollution. This exhaustive review presents detailed evaluation utilization diverse raw covering carbohydrates, lignin, triglycerides (fats oils), proteins, terpenes production. It highlights transformative possibilities arising synergistic amalgamation electrocatalytic (EC) photocatalytic (PC) technologies, setting new pioneering era transition towards effective circular economy.
Language: Английский
Citations
17
Process Safety and Environmental Protection, Journal Year: 2024, Volume and Issue: 188, P. 834 - 859
Published: June 2, 2024
Biogas is a resource of renewable energy with the highest significance to development in many countries due great accessibility biomass. It mostly produced by anaerobic digestion various feedstocks, but technologies such as landfilling, aerobic composting and incineration are also being used. The current novel review aimed present emerging for biogas pretreatment, production upgrading process. Furthermore, applications future perspectives have been covered. was found that pretreatment chemical, physical, thermochemical oxidative increasing biomethane yield. Hence, extrusion has increased 190%. upgrading, photosynthetic biofixation CO2 microalgae shown upgraded CH4 maximum content ranging from 2 6%. Microbial electrolysis cell technology sustainable effective low requirement energy. Thus, it bioelectromethanogenesis leads uptake 13.2 gCO2/d. In addition, nanobubble recent studies extensively investigated improvement methane Europe around 70% plants utilising feedstocks agriculture sectors. 2022 global combined reached more than 1.6 EJ which an increase 17% last five years. Fossil fuels primary source 85% world's supply. wider use could ensure goals implementation
Language: Английский
Citations
17
Environmental Chemistry Letters, Journal Year: 2024, Volume and Issue: 22(6), P. 2641 - 2668
Published: Oct. 26, 2024
Abstract Anaerobic digestion constitutes a sustainable method for waste management and renewable energy generation, addressing significant environmental societal challenges. The growing global crisis the increasing momentum toward solutions emphasize critical need to enhance anaerobic technology improved efficiency advantages. This process mitigates accumulation, enhances security, reduces greenhouse gas emissions, providing feasible solution within framework of circular bioeconomy. Here, we review principles biogas production, focusing on agricultural utilization framework. We specifically explore applications in rural industrial settings, assess impacts, discuss regulatory landscape with insights from China Europe. study reveals that strategic implementation can markedly improve yield sustainability, demonstrating how focused policies advanced technological practices optimize utilization. comprehension emphasizing Europe as key examples.
Language: Английский
Citations
17
Scientific Reports, Journal Year: 2025, Volume and Issue: 15(1)
Published: Jan. 2, 2025
Globally, the companies that make commercial use of bamboo culms produce different kinds solid waste rich in lignocellulosic biomass, which some cases is not used and discarded landfills or incinerated open air; losing possibility recovering them using other productive sectors. The research objective were to a biochar from Guadua agustifolia Kunth sawdust, evaluate its potential environmental agricultural use, obtain biochar/TiO2 composite inactivate Escherichia coli as soil conditioner medicinal plants producing phenolic compounds flavonoids. Biochar (produced at 300 °C for 1 h) involved TiO2 450 h inactivation E. (initial concentration: 6.5 ± 0.3 Log10 CFU mL− 1). For agriculture, 2% was B. pilosa L. G. angustifolia plant growth 90 days. had high photocatalytic activity on coli, generating final count 1.97 0.2 after 60 min. (2%) increased total phenol flavonoid content phenols angustifolia, tested nursery stage. This study provides new information conversion sawdust an alternative bio-based materials with applications. In addition, obtaining could positively impact production chain Colombia because renewable globally accepted alternatives help capture gaseous emissions causing greenhouse effect.
Language: Английский
Citations
2
Chemical Engineering Journal, Journal Year: 2025, Volume and Issue: 505, P. 159151 - 159151
Published: Jan. 6, 2025
Language: Английский
Citations
2
Environmental Chemistry Letters, Journal Year: 2023, Volume and Issue: 22(2), P. 609 - 634
Published: Dec. 1, 2023
Abstract Liquid biofuels like biodiesel and bioethanol are crucial in the transition to low-carbon high-energy alternatives fossil fuels. One significant by-product of production is glycerol, which accounts for about 10% total conversion output. While waste glycerol poses challenges due its impurities contaminants, it also holds potential as a metabolic resource essential cellular components microorganisms. Crude reviewed, highlighting relevance current technologies biochemical composition. To efficiently utilize co-valorization with low-cost substrates through biocircular platforms using various microorganisms or insects second third-generation oxy-biofuels has been explored. Among these, black soldier fly larvae have demonstrated higher competitiveness lipid contents (35–43%), making them promising organism recycling into production, alongside microalgae oleaginous yeast. The microbial productivity from yeast notably (3546 kg ha −1 y ) than soybean (562 ), while microalgal surpasses palm by more 25 times. Remarkably, was reported be ~ 1.7 times an impressive 43 biodiesel. Despite their industry still represents challenge because high impurities, viscosity, limited direct applications existing processes. further enhance energy sustainability address discussed utilization domestic wastewater sludge, lignocellulosic biomass, protein-rich wastes. These offer opportunities create other sustainable agricultural products minimizing environmental footprint.
Language: Английский
Citations
27