Results 91 to 100 of about 2,669 (253)

Renewable Transportation Fuel Production from Algal Biocrude Oil Converted via Hydrothermal Liquefaction

open access: yes, 2017
The goal of this project is to understand the properties of biocrude oil converted from algal biomass, such as Spirulina (SP), which can thrive in wastewater.
Chen, Wan-Tin, Wu, Zhenwei, Lin, Alice
core   +1 more source

Environmental impact assessment of alternative technologies for production of biofuels from spent coffee grounds

open access: yesEnergy Science &Engineering, Volume 12, Issue 11, Page 4823-4842, November 2024.
Biodiesel production from spent coffee grounds. Abstract In the strategy to combat climate change that has been caused by the world's overdependence on fossil fuels, current research is focusing on the decarbonisation of the energy sector through the production of renewable cleaner energy, such as biofuels. Spent coffee grounds (SCGs), the waste stream
Wilberforce Kisiga   +2 more
wiley   +1 more source

Selective Extraction and Hydrotreatment of Biocrude from Sewage Sludge: Toward High-Yield, Alkane-Rich, Low-Heteroatom Biofuels

open access: yesEnergies
This study investigates the hydrothermal liquefaction (HTL) of sewage sludge across a temperature range of 250–375 °C, combined with selective solvent extraction and catalytic hydrotreatment to produce high-quality biocrude.
Mohammad Usman   +4 more
semanticscholar   +1 more source

Hydrothermal liquefaction of southern yellow pine with downstream processing for improved fuel grade chemicals production

open access: yesEnergy Conversion and Management: X
The hydrothermal liquefaction (HTL) technique for liquefying lignocellulose biomass feedstock is often associated with low biocrude yield and poor fuel properties.
Tawsif Rahman   +4 more
doaj   +1 more source

Valorization of Waste Biomass to Biofuels for Power Production and Transportation in Optimized Way: A Comprehensive Review

open access: yesAdvanced Energy and Sustainability Research, Volume 5, Issue 10, October 2024.
Biofuels have a variety of sources that can be converted into energy and fuel with the help of several thermochemical and biological conversion processes. This article provides the fundamental and applied concept of thermochemical and biological conversions, highlighting combustion, pyrolysis, fermentation, gasification, and anaerobic digestion along ...
Farrukh Jamil   +7 more
wiley   +1 more source

Biocrude production from biomass and mixed plastics via hydrothermal liquefaction for fuel and chemicals [PDF]

open access: yes, 2022
Hydrothermal liquefaction (HTL) is a promising technology to convert organic feedstocks into value-added fuel precursors known as biocrude, solids (hydrochar), and gaseous byproducts.
Rahman, Tawsif
core  

Multi-stage pretreatment of hydrothermal liquefaction biocrude oil as a precursor for sustainable aviation fuel production

open access: yesFuel Processing Technology
A major challenge for upgrading hydrothermal liquefaction biocrude into sustainable aviation fuel is the presence of inorganic material. Unlike commercial crude oil or biofuel from energy crops, excessive amounts of contaminants such as salt, water, and ...
Sabrina Summers   +5 more
doaj   +1 more source

Corrosion performance of different alloys exposed to HTL conditions—A screening study

open access: yesMaterials and Corrosion, Volume 75, Issue 10, Page 1258-1271, October 2024.
Pre‐loading of C‐rings from material candidates with a strain gauge to achieve the desired yield strength. Exposure of these C‐rings to real HTL conditions (flowing, 390°C, 300 bars, black liquor, 18 days). Abstract The corrosion and material evaluation study in (a) water‐based simulated black liquor and (b) water‐based simulated black liquor at super ...
Daniel Blücher   +4 more
wiley   +1 more source

Upgrading Biocrude Oil Converted From Animal Waste Via Hydrothermal Liquefaction [PDF]

open access: yes, 2017
The goal of this study was to minimize the gum content of various viscous biocrude oil samples in order to meet the American Society for Testing and Materials (ASTM) fuel standards.
Dziura, Patrick
core  

MOLECULAR PATHWAY ANALYSIS OF BIOCRUDE FORMATION IN HYDROTHERMAL LIQUEFACTION

open access: yes, 2023
Hydrothermal liquefaction (HTL) is a process utilized to convert high water content feedstocks into a usable biocrude oil at temperatures between 250 – 350 °C and pressures in excess of 100 bar. Despite HTL’s prevalence as a research topic since the turn
Leclerc, Heather
core  

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