Showing 1 - 10 of 7,824
literature and the combustion and gasification mechanisms for O2/CO2 streams. Moreover, it reviews the kinetics and the reaction …Numerous coal gasification studies have been found in the literature those employed various kinds of gasifying agents … brief review of the coal gasification with CO2 as a diluent. Different factors were studied over the coal gasification with …
Persistent link: https://www.econbiz.de/10010811607
gasification process of a particular feedstock. In total four models were tested in order to determine the syngas composition. One … showed better results than some previously published models. Also a case study for the gasification of a blend of hardwood … contents from 0%–20% and oxygen percentages in the gasification agent of 100%, 60% and 21%. …
Persistent link: https://www.econbiz.de/10010811480
include hybrid combined cycles (HCC), indirect gasification of biomass and simple cycle biomass steam plants which are … over stand-alone options at high biomass fuel prices (>25 EUR/MWh) or low discount rates (<5%). Gasification options show … production from biomass. This paper presents a techno-economical analysis on options for integrating biomass thermal conversion …
Persistent link: https://www.econbiz.de/10011054220
for biomass based energy generation, biomass gasification is one of the most important routes that are being studied … extensively. Biomass gasification is a thermo-chemical conversion process of biomass materials within a reactor. Number of inter … in the experimental and computational aspect of gasification has been numerous. Computational modeling tools are …
Persistent link: https://www.econbiz.de/10010931090
producing hydrogen from biomass via gasification encompassing mathematical modeling, simulation, optimization, process heat … triggered considerable investigations on alternative energy sources such as biomass. Furthermore, the availability and security …'s current focus is shifted towards hydrogen-based future economy. Gasification is a proven technology to produce satisfactory …
Persistent link: https://www.econbiz.de/10010573510
A comparative study on CO2 gasification kinetics of flax straw char produced by two different processes, namely … investigate the diffusion and surface reactions that occur during the CO2 gasification of the torrefied and pyrolyzed char … particles. Gasification experiments were carried out at four different gasification temperatures from 750 to 900 °C and for …
Persistent link: https://www.econbiz.de/10011053025
Pyrolysis and gasification processes of three types of lignocellulosic biomass (Eucalyptus wood, fir wood and pine bark … the reacting agent (5% vol.). The gasification temperature was set at 900 °C. Biomass samples reactivity profiles showed a …) and biomass main components (cellulose, xylan and lignin) were studied by thermogravimetric-mass spectrometric analysis …
Persistent link: https://www.econbiz.de/10011053857
currently most of it is produced by steam reforming of methane. Alternatively, hydrogen can be generated by in situ gasification … of bitumen. In situ gasification of oil sands is potentially more energy efficient with reduced emission to atmosphere … and optimize hydrogen generation by in situ gasification from bitumen reservoirs. The central idea was to recover energy …
Persistent link: https://www.econbiz.de/10011040799
-stage, entrained-flow gasifiers. Previous work demonstrated the system-level advantages of gasification-based plants equipped with CO2 … capture and CO2 slurry feed, under the assumption that carbon conversion remains unchanged. However, gasification in carbon … dioxide has been observed to be slower than that in steam. In view of this, the impact of CO2 slurry feeding on gasification …
Persistent link: https://www.econbiz.de/10010688038
The paper reviews the pyrolysis of biomass constituents and possible secondary reactions. Biomass pyrolysis yields …
Persistent link: https://www.econbiz.de/10010804707