Results 51 to 60 of about 737,099 (201)

Electrochemical upgrading of bio-oil: Effect of acetic acid and aromatic-rich fraction on coke formation

open access: yes能源环境保护
Bio-oil is the only liquid carbon-containing renewable resource. Due to its complex composition, low calorific value, high acidity, high viscosity, and other factors, it requires upgrading before further utilization. Electrochemical upgrading is a novel,
CHEN Junjie   +9 more
doaj   +1 more source

Bio-waste – collection, separation, generated products for second use [PDF]

open access: yesBIO Web of Conferences
In Germany, the recorded quantities of bio-waste have grown continuously after the introduction of a separate organic waste bin. Residual biomass is not a waste – it is a raw material, which forms the basis for various marketable products, such as ...
Hesse K., Rögener F., Kürten M.
doaj   +1 more source

Porous Carbon Materials for Carbon Dioxide Capture

open access: yesCarbon Energy, EarlyView.
This work aims to address the current status and challenges associated with the regulation of pore structures, as well as the influence of pore structures on CO2 capture. Systematic quantitative analysis of structure–property relationships, combined with machine learning approaches, can effectively evaluate the contributions of structural ...
Zhifu Liu   +6 more
wiley   +1 more source

Advances in Unraveling the Structure and Sodium‐Ion Storage Behaviors of Hard Carbons: From Basic to Extended Characterization Techniques

open access: yesCarbon Energy, EarlyView.
This review is devoted to introducing the structures and sodium storage mechanisms of hard carbon materials and analyzing the correlated advanced characterization techniques. The advanced characterization techniques are categorized based on the classification of signal sources.
Jiechang Gao   +6 more
wiley   +1 more source

Recent advances in thermochemical conversion of biomass into drop-in fuel:a review

open access: yesScientific African, 2022
The global evolutional changes towards the use of renewable energy sources for transportation purposes are on the increase in an attempt to mitigate the environmental hazard and the proposed depletion associated with fossil fuel resources.
Ishaq Kariim   +2 more
doaj   +1 more source

Recent Progress of Biomass‐Derived Nitrogen‐Doped Carbon Materials as Electrocatalysts: Carbonization, Functionalization, and Applications

open access: yesCarbon Energy, EarlyView.
Integrating renewable energy with electrochemical conversion and storage is crucial for sustainable energy solutions. Nitrogen‐doped biomass‐derived carbon materials have emerged as effective catalysts for key reactions such as ORR, HER, and CO2RR. This review explores their synthesis, functionalization, characterization, and catalytic applications ...
Shilong Fu   +3 more
wiley   +1 more source

The effect of thermo-catalytic reforming of a pyrolysis bio-oil on its performance in a micro-gas turbine burner

open access: yesApplications in Energy and Combustion Science, 2021
The combustion performance and pollutant emissions of a pyrolysis bio-oil (also called pyrolysis oil) upgraded with a thermo-catalytic reforming process were investigated experimentally in a micro-gas turbine burner and compared with those of a ...
Mohsen Broumand   +4 more
doaj   +1 more source

Challenges of Bio‐Syngas Conversion to High‐Value‐Added Liquid Chemicals and Fuels via COx Hydrogenation

open access: yesCarbon Energy, EarlyView.
Converting biomass‐derived syngas into value‐added fuels and chemicals offers a promising route toward carbon neutrality, yet unfavorable H2/COx ratios, elevated CO2 levels, and trace impurities pose persistent obstacles. This review examines strategies spanning syngas conditioning, impurity‐tolerant catalyst development, and integrated process design,
Xuan Bie   +7 more
wiley   +1 more source

A Comparison Study of Nickel Laterite Reduction using Coal and Coconut Shell Charcoal: A FactSage Simulation

open access: yesInternational Journal of Technology, 2023
Replacing metallurgical coke with greener material is a long-term challenge in pyrometallurgy. With the fact of biomass abundance in Indonesia, the usage of bio-char as a replacement for coke resulted from coal has been an intensive study. This study
Andreas Diga Pratama Putera   +5 more
doaj   +1 more source

Mechanistic Insights Into Sustainable Catalytic Pyrolysis of Biomass‐Derived Ferulic Acid: The Role of Alumina Regeneration

open access: yesChemistry – A European Journal, EarlyView.
Surface‐bound ferulate phenolate complexes undergo styrene‐like polymerization on alumina, yielding a polymeric carbonaceous layer that progressively transforms into polyaromatic carbon domains with concomitant release of aromatic products, while parallel surface‐assisted decarboxylation produces 4‐vinylguaiacol. ABSTRACT A fundamental understanding of
Tetiana V. Kulik   +11 more
wiley   +1 more source

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