Gasification of coal water mixture in an entrained-flow gasifier: Effect of air and oxygen mixing ratio
Sign Up to like & getrecommendations! Published in 2018 at "Applied Thermal Engineering"
DOI: 10.1016/j.applthermaleng.2017.10.055
Abstract: Abstract Entrained-flow gasifiers used in commercial integrated gasification combined cycles are usually oxygen-blown. However, oxygen-blown gasification system is expensive to install and operate due to the equipment involved in oxygen purification and supply. To resolve… read more here.
Keywords: ratio; air oxygen; air; coal ... See more keywords
Mineralogical examination of the entrained-flow coal gasification residues and the feed coals from northwest China
Sign Up to like & getrecommendations! Published in 2021 at "Advanced Powder Technology"
DOI: 10.1016/j.apt.2021.08.037
Abstract: Abstract Minerals are the dominant impurities in coal and their changes in gasifiers could cause many problems such as fouling, slagging, and ash deposition. The mineralogy of the coal gasification residues derived from two commercial… read more here.
Keywords: feed coals; gasification residues; coal; gasification ... See more keywords
In-situ atomization and flame characteristics of coal water slurry in an impinging entrained-flow gasifier
Sign Up to like & getrecommendations! Published in 2018 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2018.06.039
Abstract: Abstract Based on the bench-scale impinging entrained-flow gasifier with coal water slurry (CWS) as the feedstock and the development of advanced visualization techniques, the in-situ atomization and flame characteristics of CWS were investigated. A new… read more here.
Keywords: flame; atomization; process; impinging entrained ... See more keywords
Influence of burner geometry on atomization of coal water slurry in an entrained-flow gasifier
Sign Up to like & getrecommendations! Published in 2022 at "Chemical Engineering Science"
DOI: 10.1016/j.ces.2021.117088
Abstract: Abstract Based on the bench-scale opposed multi-burner (OMB) coal-water slurry (CWS) entrained-flow gasification platform, the influence of burner geometry on atomization characteristics of the CWS in gasifier is investigated. The visualization imaging system is used… read more here.
Keywords: coal water; burner; atomization; geometry ... See more keywords
Systems modeling, simulation and analysis for robust operations and improved design of entrained-flow pulverized coal gasifiers
Sign Up to like & getrecommendations! Published in 2018 at "Energy"
DOI: 10.1016/j.energy.2018.01.134
Abstract: Abstract Gasification processes with complex reaction systems typically require stable operating condition. However, variations of feedstock flow, composition of feedstock, and environmental factors, as well as other factors, may cause abnormal operating conditions. This work… read more here.
Keywords: zone; simulation; gasification; entrained flow ... See more keywords
Dynamic modeling, systematic analysis, and operation optimization for shell entrained-flow heavy residue gasifier
Sign Up to like & getrecommendations! Published in 2020 at "Energy"
DOI: 10.1016/j.energy.2020.117220
Abstract: Abstract Simulation of Shell entrained-flow, heavy-residue gasifiers (SHERG) are challenging because of diverse homogenous and heterogeneous reactions involved in the gasification process and the complicated flow-field distribution. An integrated continuous stirred-tank reactor (CSTR) and plug… read more here.
Keywords: cstr; shell entrained; model; flow heavy ... See more keywords
Indirect coal liquefaction by integrated entrained flow gasification and Rectisol/Fischer–Tropsch processes for producing automobile diesel substitutes
Sign Up to like & getrecommendations! Published in 2020 at "Energy"
DOI: 10.1016/j.energy.2020.119597
Abstract: Abstract Herein, we describe the design and operation of an indirect coal liquefaction plant with integrated coal-water slurry manufacturing, entrained flow gasification, Rectisol, and Fisher-Tropsch processes to produce liquid fuels for vehicles. The above plant… read more here.
Keywords: coal liquefaction; flow gasification; indirect coal; gasification rectisol ... See more keywords
Experimental characterization of particle-wall interaction relevant to entrained-flow gasification of biomass
Sign Up to like & getrecommendations! Published in 2017 at "Fuel"
DOI: 10.1016/j.fuel.2017.08.044
Abstract: Abstract The present study addresses particle–wall interaction phenomena relevant to entrained-flow gasifiers. Two types of biomass have been investigated, i.e. wood chips and corn stover. The dynamics of char and ash particles as they are… read more here.
Keywords: particle wall; wall interaction; entrained flow; relevant entrained ... See more keywords
Visualization study on breakup modes of coal water slurry in an impinging entrained-flow gasifier
Sign Up to like & getrecommendations! Published in 2019 at "Fuel"
DOI: 10.1016/j.fuel.2019.01.186
Abstract: Abstract Based on the bench-scale impinging entrained-flow gasifier with coal water slurry (CWS) as the feedstock, the in situ breakup modes of the CWS at operating conditions were investigated using advanced visualization techniques. A new… read more here.
Keywords: impinging entrained; breakup; entrained flow; breakup modes ... See more keywords
Enrichment of residual carbon in entrained-flow gasification coal fine slag by ultrasonic flotation
Sign Up to like & getrecommendations! Published in 2020 at "Fuel"
DOI: 10.1016/j.fuel.2020.118195
Abstract: Abstract Entrained-flow gasification coal fine slag is a low value and difficult-to-separate solid waste. In this work, ultrasonic flotation experiments are adopted to enrich the residual carbon and are compared to conventional flotation. The concentrate… read more here.
Keywords: flow gasification; ultrasonic flotation; flotation; coal fine ... See more keywords
Particle–wall interaction in entrained-flow slagging coal gasifiers: Granular flow simulation and experiments in a cold flow model reactor
Sign Up to like & getrecommendations! Published in 2017 at "International Journal of Multiphase Flow"
DOI: 10.1016/j.ijmultiphaseflow.2017.01.011
Abstract: Abstract Entrained-flow slagging coal gasifiers display large conversion efficiencies and small levels of unconverted carbon at the exhaust. Both features are apparently at odds with the fairly small “space-time” of the particle-laden gas feeding, as… read more here.
Keywords: particle wall; wall; particle; flow slagging ... See more keywords