Showing 41 - 50 of 75
Caking coal is difficult to be gasified in fluidized bed (FB) because of the inevitable particle agglomeration caused by caking in the dense bottom of the bed. Literature studies have shown that pre-oxidizing the coal can suppress its caking propensity, while quick dispersion of coal particles,...
Persistent link: https://www.econbiz.de/10010678775
Aiming at investigating the role of minerals in evaluating co-firing applications of low rank coals and biomass materials, agricultural residues characteristic of the Mediterranean countries, one lignite and their blends with biomass proportions up to 20% wt, were burned in a lab-scale fluidized...
Persistent link: https://www.econbiz.de/10010805387
This paper presents the application of a comprehensive approach to the design of small scale sustainable distributed generation systems with special focus on energy recovery from paper production process sludge. The methodology integrates a detailed fluid-dynamic analysis tool with preliminary...
Persistent link: https://www.econbiz.de/10010702524
This paper presents the experimental results of the emissions of CO and CO2 using rice husks as fuel on different configurations of spout-sluidized beds namely, multiple-spouted and spout-fluid fluidized bed. The emission of pollutants from the multiple-spouted bed and spout-fluid bed was...
Persistent link: https://www.econbiz.de/10010806048
Olive kernel can play an important role as a fuel for heat and power production in the island of Crete, substituting a large part of conventional fuels. However, combustion of this biofuel may create operational and environmental problems related to its inorganic constituents. Thus, the thermal...
Persistent link: https://www.econbiz.de/10010806546
The present work reports studies on the mixing and combustion characteristics of cotton stalk (CS) with 10–100mm in length in a fluidized bed. Effects of length and initial weight percentage of CS, diameter of alumina bed material as well as gas velocity on the mixing characteristics of CS...
Persistent link: https://www.econbiz.de/10010808951
Transient adsorption/desorption characteristics of spherical particles of silica gel (about 3mm in diameter) in a fluidized bed have been studied experimentally. To control the humidity of inlet air, a humidifier is designed and fitted in a proper location in the system. The system is well...
Persistent link: https://www.econbiz.de/10010810829
Among all the CCS strategies, post-combustion capture provides a near-term solution for stationary fossil fuel-fired power plants, eliminating the need for substantial modifications to existing combustion processes and facilities. In this respect, adsorption using solid sorbents has the...
Persistent link: https://www.econbiz.de/10010718948
Carbon capture for storage or reuse is seen as one possibility to lower the emissions of anthropogenic CO2. Chemical-looping combustion (CLC) is a promising second generation technique to capture CO2 from thermochemical fuel conversion processes, such as combustion for power generation. The...
Persistent link: https://www.econbiz.de/10011040336
Single coal particle ignition behavior was studied in a two-dimensional (200mm×20mm×400mm) fluidized bed under O2/N2 and O2/CO2 atmosphere with O2 volume concentration in the range of 0–40%, by a combination of visual observation of the volatile flame and measurement of the particle center...
Persistent link: https://www.econbiz.de/10011040511