Results 51 to 60 of about 187,962 (137)

Anaerobic Digestion of Organic Waste for Bioenergy Production: Optimization, Performance, and Sustainability—A Review

open access: yesInternational Journal of Energy Research, Volume 2026, Issue 1, 2026.
Anaerobic digestion (AD) is one of the most important technologies for converting organic waste into bioenergy, mostly in the form of biogas, and offers a wide range of environmental, economic, and public health benefits. This review provides a detailed description of the process of AD and its key biological phases, namely, hydrolysis, acidogenesis ...
Esraa E. Ammar   +13 more
wiley   +1 more source

Waste to Biofuels Through Zero-energy Hydrothermal Solar Plants: Process Design

open access: yesChemical Engineering Transactions, 2020
Hydrothermal processes enable an effective conversion of waste biomasses into fuels and carbonaceous materials. Covering the heat requirements with concentrated solar energy is a clever strategy to increase the plant efficiency and pursue the principles ...
Giulia Ischia   +5 more
doaj   +1 more source

Biochar‐Based Catalysts for Selective Biofuel Upgrading: Mechanisms, Functions, and Synthesis Rules

open access: yesInternational Journal of Energy Research, Volume 2026, Issue 1, 2026.
Biomass‐derived fuels and bio‐oils are characterized by substantial quantities of oxygenated species and unstable compounds, which diminish fuel quality and necessitate upgrading before practical application. In this regard, biochar has garnered increasing attention as a catalyst and support because it is derived from renewable biomass resources, and ...
Seung Won Kim   +2 more
wiley   +1 more source

Valorization of Sargassum via Hydrothermal Co-Liquefaction with Food Waste: Effects of Reaction Temperature and Feedstock Ratio on Biocrude Yield and Fuel Properties

open access: yesEnergies
The massive invasion of Sargassum (SG) in coastal regions has emerged as a growing environmental and economic challenge, driving interest in sustainable valorization strategies.
Md Mostafizur Rahman, Toufiq Reza
doaj   +1 more source

Effects of Flame‐Retardant Additives in Recycling and 3D Printing Filament Production of Polystyrene

open access: yesInternational Journal of Polymer Science, Volume 2026, Issue 1, 2026.
Flame retardants incorporated during plastic production to improve its properties can affect plastic recycling and product application. The aim of this study is to explore the effects of flame‐retardant additives in recycling and 3D printing filament production of polystyrene.
Lejalem Haile Zegeye   +2 more
wiley   +1 more source

Hydrothermal liquefaction of biogenic residues and microalgae [PDF]

open access: yes, 2020
The aim of this work is the characterization of biogenic residues and their possible use as feedstock for hydrothermal liquefaction. In the course of this work ten different biogenic residues and two different microalgae strains were tested for their ...
Braunsperger, Thomas   +1 more
core   +1 more source

A review on hydrothermal treatments for solid, liquid and gaseous fuel production from biomass

open access: yesEnergy Nexus
The rise in the population and rapid industrialization has resulted in a rise in the global energy consumption. In order to minimize the load on the conventional energy sources, various studies are being conducted for the production of biofuels by ...
Rui Hong Teoh   +5 more
doaj   +1 more source

Use of Co-Solvents in Hydrothermal Liquefaction (HTL) of Microalgae

open access: yesEnergies, 2019
This study reviewed and summarized the literature regarding the use of alcohols during hydrothermal liquefaction (HTL) of algal biomass feedstocks. The use of both pure alcohols and alcohol-water co-solvents were considered.
Yang Han   +3 more
doaj   +1 more source

Remediation Strategies Toward Micro‐/Nanoplastics‐Free Waters: Insights Into Chemical and Integrated Approaches

open access: yesJournal of Chemistry, Volume 2026, Issue 1, 2026.
Microplastics (MPs) and nanoplastics (NPs) have emerged as significant anthropogenic pollutants. They are garnering increasing scientific and public scrutiny due to their pervasive presence in the environment, drinking water, and food, which raises serious concerns regarding their effects on ecological systems and human health.
Sritama Mukherjee   +7 more
wiley   +1 more source

Hydrothermal liquefaction of sewage sludge for circular bioeconomy: Focus on lignocellulose wastes, microplastics, and pharmaceuticals

open access: yesJournal of Bioresources and Bioproducts
The rapid increase in sewage sludge (SS) generation from wastewater treatment plants (WWTPs) has become a pressing global environmental challenge.
Syed Comail Abbas   +4 more
doaj   +1 more source

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