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Keywords: fluidized bed
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Proceedings Papers

Proc. ASME. FBC2003, 17th International Conference on Fluidized Bed Combustion, 695-704, May 18–21, 2003
Publisher: American Society of Mechanical Engineers
Paper No: FBC2003-003
... This paper is focused on the gasification and co-gasification of sawdust and polyethylene in a fluidized bed for their high weight percentages in the municipal solid waste. The product gas compositions were analyzed with Fourier transform infrared spectrometry and gas chromatogram. The influence...
Proceedings Papers

Proc. ASME. FBC2003, 17th International Conference on Fluidized Bed Combustion, 305-314, May 18–21, 2003
Publisher: American Society of Mechanical Engineers
Paper No: FBC2003-050
... The paper investigates agglomerate formation in the world biggest pressurized fluidized bed combustor at Karita Power Station, Japan. It was found that significant amount of agglomerates was formed at an increased boiler load bringing about a significant decrease of bed density. The agglomerates...
Proceedings Papers

Proc. ASME. FBC2003, 17th International Conference on Fluidized Bed Combustion, 563-570, May 18–21, 2003
Publisher: American Society of Mechanical Engineers
Paper No: FBC2003-150
... In (bubbling) fluidized-bed combustion and gasification of biomass, several potential problems are associated with the inorganic components of the fuel. A major problem area is de-fluidization due to bed agglomeration. The most common found process leading to de-fluidization in commercial-scale...
Proceedings Papers

Proc. ASME. FBC2003, 17th International Conference on Fluidized Bed Combustion, 729-735, May 18–21, 2003
Publisher: American Society of Mechanical Engineers
Paper No: FBC2003-020
... Fluidized bed combustion technology has been widely used as the new, flexible, multi-fuel boiler for waste combustion and energy recovery from low-grade fuels. However, problems such as low thermal efficiency, high emissions and bed agglomeration etc., are still encountered in operation...
Proceedings Papers

Proc. ASME. FBC2005, 18th International Conference on Fluidized Bed Combustion, 867-872, May 22–25, 2005
Publisher: American Society of Mechanical Engineers
Paper No: FBC2005-78045
... components are selected for experiments in a Φ 150mm fluidized bed test rig. The effect of temperature on Cl → HCl conversion rate is discussed; the influence of HCl concentration on emission of NO, SO 2 during incineration is analyzed. Finally the effect of Ca-based sorbents on dechlorination is also...
Proceedings Papers

Proc. ASME. FBC2005, 18th International Conference on Fluidized Bed Combustion, 525-534, May 22–25, 2005
Publisher: American Society of Mechanical Engineers
Paper No: FBC2005-78120
... tendency in the co-combustion of coal with biomass and RDF. This novel approach combines the results from deposit analysis with flue gas emission measurement and advanced fuel characterization methods. The experiments were carried out in a 0.1 MW circulating fluidized bed reactor. Two different types...
Proceedings Papers

Proc. ASME. FBC2005, 18th International Conference on Fluidized Bed Combustion, 209-218, May 22–25, 2005
Publisher: American Society of Mechanical Engineers
Paper No: FBC2005-78020
... during combustion of coal, is not released in the atmosphere. Sulfur self-retention is influenced by parameters that depend on coal characteristics and combustion conditions. The interest for this process was enhanced with the introduction of fluidized bed combustion (FBC) technology since...
Proceedings Papers

Proc. ASME. FBC2005, 18th International Conference on Fluidized Bed Combustion, 873-879, May 22–25, 2005
Publisher: American Society of Mechanical Engineers
Paper No: FBC2005-78070
... This paper presents the results of coal gasification in a fluidized bed test rig of Xuzhou bituminous coal. The diameter of the fluidized bed combustor is 0.1m and the height is 4.22m. The bed temperature is maintained by a method of high temperature flue gas interline heating to overcome high...
Proceedings Papers

Proc. ASME. FBC2005, 18th International Conference on Fluidized Bed Combustion, 287-299, May 22–25, 2005
Publisher: American Society of Mechanical Engineers
Paper No: FBC2005-78044
... The characterization of volatile matter (VM) emission from solid fuel particles during fluidized bed combustion/gasification is relevant to reactor performance influencing the fate of VM as it results from competing phenomena of release, mixing/segregation and burn-out. The rate and the time...
Proceedings Papers

Proc. ASME. FBC2005, 18th International Conference on Fluidized Bed Combustion, 301-308, May 22–25, 2005
Publisher: American Society of Mechanical Engineers
Paper No: FBC2005-78046
... An experimental verification is reported on the bubble parameter similarity during fluidized bed scaling. Two bubbling fluidized beds were designed according to Horio’s scaling method, and bubble size and mean bubble rising velocity were measured and compared. It can be concluded from...
Proceedings Papers

Proc. ASME. FBC2005, 18th International Conference on Fluidized Bed Combustion, 147-151, May 22–25, 2005
Publisher: American Society of Mechanical Engineers
Paper No: FBC2005-78139
... The evolution and current status of fluidized bed technology in Romania are presented. After a period of about 10 years when the FBC technology was rejected as a solution for power generation, due to the new environmental restrictions, the market is open again. Potential users are especially...
Proceedings Papers

Proc. ASME. FBC2005, 18th International Conference on Fluidized Bed Combustion, 557-562, May 22–25, 2005
Publisher: American Society of Mechanical Engineers
Paper No: FBC2005-78135
... between T i and volatile content and active energy are analyzed. Compared with the ignition temperatures measured in a bench scale fluidized bed and boiler test, T i s derived from TG-DTG method have nearly same tendency with changing volatile content, but have 100°C deviation below those measured...
Proceedings Papers

Proc. ASME. FBC2005, 18th International Conference on Fluidized Bed Combustion, 169-176, May 22–25, 2005
Publisher: American Society of Mechanical Engineers
Paper No: FBC2005-78005
... the combustion of rice husk in a fluidized bed, the turbulence is largely governed by the mixing behavior in the inert sand bed, which in turn is governed by the bubble formation characteristics. Further, the residence time among the reactants (air and rice husk) and the heat source is also dependent...
Proceedings Papers

Proc. ASME. FBC2005, 18th International Conference on Fluidized Bed Combustion, 251-262, May 22–25, 2005
Publisher: American Society of Mechanical Engineers
Paper No: FBC2005-78037
... In furnaces and other types of fluidized bed reactors one can easily observe gas bubbles flow and fluid jet preferable rise zones where solid particles in form of fountains are carried away from the layer. Let us call these layers as zones of local flowing. We assume that in these zones of local...