Results 211 to 220 of about 1,340,026 (259)
Advanced Science, EarlyView.Light wavelength encodes distinct macrophage fates through mitochondrial and metabolic remodeling. Red 625 nm irradiation induces glycolysis, mitochondrial fission, and M1 polarization, whereas near‐infrared 850 nm irradiation promotes fatty acid oxidation, mitochondrial fusion, and M2 polarization.
Qiusheng Shi +12 more
wiley +1 more source
Advanced Science, EarlyView.Stem cell differentiation follows a conserved surface condensate trajectory: H3K27ac super enhancers nucleate large RNA polymerase II clusters that grow and unfold before transcriptional activity disperses them. This work reveals how biophysical forces at enhancer surfaces dynamically build and dismantle stem cell transcription hubs, reshaping cell ...
Tim Klingberg +18 more
wiley +1 more source
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Bioresource Technology, 2010
In this study, cattle manure was converted to bio-oil by subcritical hydrothermal liquefaction in the presence of NaOH. The effects of conversion temperature, process gas, initial conversion pressure, residence time and mass ratio of cattle manure to water on the bio-oil yield were studied.
Sudong Yin, Zhongchao Tan
exaly +3 more sources
In this study, cattle manure was converted to bio-oil by subcritical hydrothermal liquefaction in the presence of NaOH. The effects of conversion temperature, process gas, initial conversion pressure, residence time and mass ratio of cattle manure to water on the bio-oil yield were studied.
Sudong Yin, Zhongchao Tan
exaly +3 more sources
Progress of the applications of bio-oil
Renewable and Sustainable Energy Reviews, 2020Abstract Bio-oil is considered a renewable feedstock for the production of energy, fuels, chemicals and carbon materials. These specifically include the direct combustion of bio-oil as a boiler fuel, the production of biofuel from bio-oil via hydrotreatment, or the production of value-added chemicals via separation and acid-catalysis/hydrogenation or
Guangzhi Hu, Mortaza Gholizadeh
exaly +2 more sources
Energy & Fuels, 2014
The fuel properties of fast pyrolysis bio-oils differ significantly from those of fossil fuels. As transportation fuel, bio-oil is not suitable without upgrading because of its relatively low energy content, high water content, acidity, and poor storage stability. Upgrading of bio-oil has usually been done by treating the whole oil in a reactor.
Kuoppala, Eeva +5 more
openaire +1 more source
The fuel properties of fast pyrolysis bio-oils differ significantly from those of fossil fuels. As transportation fuel, bio-oil is not suitable without upgrading because of its relatively low energy content, high water content, acidity, and poor storage stability. Upgrading of bio-oil has usually been done by treating the whole oil in a reactor.
Kuoppala, Eeva +5 more
openaire +1 more source
Transformation of Bio‐oil into BTX by Bio‐oil Catalytic Cracking
Chinese Journal of Chemical Physics, 2013Production of benzene, toluene and xylenes (BTX) from bio‐oil can provide basic feedstocks for the petrochemical industry. Catalytic conversion of bio‐oil into BTX was performed by using different pore characteristics zeolites (HZSM‐5, HY‐zeolite, and MCM‐41).
Jiu‐fang Zhu +2 more
openaire +1 more source
Catalytic Upgrading of Bio‐Oils by Ketonization
ChemSusChem, 2009Esterrific and ketonderful! Mixtures of acids and esters, produced by esterification reactions with alcohols in bio-oils, can be upgraded to larger ketones by ketonization reactions using a ceria–zirconia catalyst, on which acids adsorb more strongly than esters, leading to the preferential ketonization of acids followed by ketonization of esters at ...
Gärtner, Christian A. +3 more
openaire +3 more sources
Ternary Phase Diagram of Water/Bio-Oil/Organic Solvent for Bio-Oil Fractionation
Energy & Fuels, 2020Separating bio-oil by fractionation with different chemical compositions is a critical step to refine these oils and obtain high-value products.
Yinglei Han +4 more
openaire +1 more source
2018
The most significant aspects of the knowledge of the fast biomass pyrolysis are collected in this chapter, with the objective of analyzing bio-oil production (fast pyrolysis) and its valorization for the production of fuels and raw materials. Attention is focused on the aspects of applied interest for the large-scale implementation of fast pyrolysis by
Jon Alvarez +4 more
openaire +1 more source
The most significant aspects of the knowledge of the fast biomass pyrolysis are collected in this chapter, with the objective of analyzing bio-oil production (fast pyrolysis) and its valorization for the production of fuels and raw materials. Attention is focused on the aspects of applied interest for the large-scale implementation of fast pyrolysis by
Jon Alvarez +4 more
openaire +1 more source
2015
The fast pyrolysis is a process applied to biomass in order to densifies it, the resulting product is named bio-oil. The bio-oil can serve as a feedstock for the biorefinery. This compound can be transformed into synthesis gas through pyrolysis at higher temperatures.
Costa, L.F.C., Sánchez, C.G.
openaire +1 more source
The fast pyrolysis is a process applied to biomass in order to densifies it, the resulting product is named bio-oil. The bio-oil can serve as a feedstock for the biorefinery. This compound can be transformed into synthesis gas through pyrolysis at higher temperatures.
Costa, L.F.C., Sánchez, C.G.
openaire +1 more source