Results 11 to 20 of about 359,095 (284)

Intensified processes for FAME production from waste cooking oil: a technological review [PDF]

open access: yes, 2013
This article reviews the intensification of fatty acid methyl esters (FAME) production from waste cooking oil (WCO) using innovative process equipment. In particular, it addresses the intensification of WCO feedstock transformation by transesterification,
Aubin, Joelle   +2 more
core   +3 more sources

Opportunities and Challenges of High-Pressure Fast Pyrolysis of Biomass: A Review

open access: yesEnergies, 2021
Most pyrolysis reactors require small sizes of biomass particles to achieve high-quality products. Moreover, understanding the usefulness of high-pressure systems in pyrolysis is important, given the operational challenges they exhibit specific to ...
Waheed A. Rasaq   +3 more
doaj   +1 more source

Valorizing carbon dioxide via electrochemical reduction on gas‐diffusion electrodes

open access: yesInfoMat, 2021
The electrochemical carbon dioxide (CO2) reduction provides a means to upgrade CO2 into value‐added chemicals. When powered by renewable electricity, CO2 electroreduction holds the promise of chemical manufacturing with carbon neutrality.
Yuqing Luo   +3 more
doaj   +1 more source

Pyrolysis of Coal for Fuel Production: A Review of the Effect of Various Parameters on the Pyrolysis Behavior of Coal [PDF]

open access: yesIranian Journal of Chemistry & Chemical Engineering, 2022
Alternative energy and renewable sources received considerable attention  from many researchers because fossil fuel has intermediate products during the conversion of coal.
Hafiz Masood   +3 more
doaj   +1 more source

Cold adaptation and replicable microbial community development during long-term low temperature anaerobic digestion treatment of synthetic sewage [PDF]

open access: yes, 2018
The development and, activity of a cold-adapting microbial community was monitored during low temperature anaerobic digestion (LtAD) treatment of wastewater.
Cysneiros, D.   +6 more
core   +2 more sources

Trends for the Thermal Degradation of Polymeric Materials: Analysis of Available Techniques, Issues, and Opportunities

open access: yesApplied Sciences, 2022
This paper examines the degradation trends of polymeric materials during heat conversion and solvolysis processes. The presence of different fractions of polymeric materials, such as PET, PP, SBR, ABS, resin, and tier waste, necessitates the use of ...
Grzegorz Gałko, Marcin Sajdak
doaj   +1 more source

Reactor neutrinos [PDF]

open access: yesComptes Rendus. Physique, 2005
We review the status and the results of reactor neutrino experiments, that toe the cutting edge of neutrino research. Short baseline experiments have provided the measurement of the reactor neutrino spectrum, and are still searching for important phenomena such as the neutrino magnetic moment.
Lasserre, T., Sobel, H. W.
openaire   +4 more sources

Ultrasonic wave propagation in cylindrical vessels and implications for ultrasonic reactor design [PDF]

open access: yes, 2010
Reactors in which processes are enhanced by ultrasound are hampered by the lack of a theoretical framework on their design. Simulation results of ultrasonic wave propagation in a cylindrical geometry are presented in this work, which are then used to ...
Gachagan, A.   +3 more
core   +1 more source

Accuracy Evaluation of Image Processing Method for the Measurement of Rising Bubble Volume in Stagnant Fluid

open access: yesJournal of Fluid Science and Technology, 2013
The measurement error when calculating the bubble volume by using image analysis was estimated by taking a single bubble of known volume (0.02 × 10-6-2.00 × 10-6 m3, or the volume equivalent diameter of 3.37-15.63 mm) and using a stereo ...
Noriaki INABA   +2 more
doaj   +1 more source

Ecological foresight in the nuclear power of XXI century [PDF]

open access: yes, 2016
The access to reliable sources of energy is the key to sustainable development of mankind. The major part of the energy consumed by people is generated with a chemical reaction of fossil fuel burning.
Nosov, Y.   +3 more
core   +1 more source

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