Results 41 to 50 of about 187,962 (137)

Toward the Utilization of Char from the Hydrothermal Liquefaction of Polyethylene Plastic Waste: Studies of the Adsorption of Rhodamine B in an Aqueous Environment

open access: yesAdvanced Sustainable Systems, Volume 10, Issue 6, June 2026.
Hydrothermal liquefaction of waste polyethylene produces char that effectively removes rhodamine B from water. Nearly complete dye adsorption is achieved under optimum conditions, with adsorption following Langmuir isotherm and pseudo‐first‐order kinetics.
Himanshu Gupta   +4 more
wiley   +1 more source

Technobiological Pathways for High‐CO₂ Capture Using Micro‐/Macroalgae: Genetic Engineering, Process Automation, and Value‐Added Bioproducts

open access: yesAsia-Pacific Journal of Chemical Engineering, Volume 21, Issue 3, May/June 2026.
ABSTRACT Greenhouse gas (GHG) emissions have emerged as one of the most critical drivers of climate change; this is primarily due to high concentrations and long atmospheric life of carbon dioxide (CO2). For a significant amount of time, various biological processes such as microalgal cultivation, cyanobacterial systems, photosynthetic microorganisms ...
Sadhana Semwal, Harish Chandra Joshi
wiley   +1 more source

Continuous Hydrothermal Liquefaction of Mexican Sargassum Seaweed—An Analysis of Hydrocarbon Fractions and Elemental Composition

open access: yesChemEngineering
Hydrothermal liquefaction (HTL) is often mooted as a promising and sustainable processing methodology for converting biomass into usable products, including bio-oils, which can potentially alleviate humanity’s reliance on fossil fuels.
Michael J. Allen, Matthew Pearce
doaj   +1 more source

Co-Solvent Assisted Hydrothermal Liquefaction of Algal Biomass and Biocrude Upgrading

open access: yesFuels, 2022
This study reports the hydrothermal liquefaction (HTL) of microalgae Spirulina platenesis in the presence of alcohol or formic acid co-solvents. HTL runs are performed in a 1.8-L batch reactor at 300 °C using an alcohol (methanol and ethanol) or formic ...
Umakanta Jena   +2 more
doaj   +1 more source

A Comprehensive Review of Biotechnological Innovations in Valorization of Food Waste: Enhancing Nutritional, Techno‐Functional Properties, and Process Optimization for Sustainable Product Development

open access: yesFood Frontiers, Volume 7, Issue 2, March 2026.
This review highlights recent biotechnological innovations in the valorization of food waste through enzyme‐assisted processing and microbial fermentation to enhance nutritional, techno‐functional, and shelf‐stable properties for developing sustainable, plant‐based functional foods and nutraceuticals.
Md. Sakhawot Hossain   +6 more
wiley   +1 more source

Comparative Assessment of Thermo-Syngas Fermentative and Liquefaction Technologies as Waste Plastics Repurposing Strategies

open access: yesAgriEngineering, 2020
The present study comparatively investigates the potential of waste plastic utilization as a feedstock for the production of liquid fuels to satisfy the rising liquid fuel demands of the transportation industry while simultaneously resolving the global ...
Oseweuba Valentine Okoro   +1 more
doaj   +1 more source

Advances in second‐generation biofuel production from rice straw and barley straw

open access: yesBiofuels, Bioproducts and Biorefining, Volume 20, Issue 1, Page 313-331, January/February 2026.
Abstract This review critically examines recent advances in the use of rice straw and barley straw as lignocellulosic feedstocks for second‐generation biofuel production. A comprehensive analysis of their chemical composition, including cellulose, hemicellulose, lignin, and ash content, reveals how these intrinsic properties affect the efficiency of ...
Tâmili Vitória Duarte de Souza   +3 more
wiley   +1 more source

Wastewater Nutrient Recovery via Fungal and Nitrifying Bacteria Treatment

open access: yesAgriculture
In efforts to reduce the consumption of fossil fuels and promote recycling biowaste, there is an interest in the production of post-hydrothermal liquefaction wastewater (HTL-AP) from the hydrothermal liquefaction (HTL) process that converts wet biomass ...
Karla Lopez   +3 more
doaj   +1 more source

Hydrothermal liquefaction for energy recovery from high-moisture waste biomass [PDF]

open access: yes, 2012
Hydrothermal liquefaction is promising technology for converting high-moisture waste biomass into energy dense “biocrude” oil that can be used for direct combustion or refined for transportation grade fuels.
Vardon, Derek
core  

A comprehensive review of municipal solid waste chemistry relevant to hydrothermal liquefaction

open access: yesEnergy Conversion and Management: X
Municipal solid waste (MSW) poses a major challenge due to its increased heterogeneity and complex chemical composition. Derived from varied household and industrial streams, MSW contains a broad mix of organic and inorganic materials with highly diverse
Anthony Ike Anukam, Leonidas Matsakas
doaj   +1 more source

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