Development of a novel two-stage fluidized bed incineration technology for the control of heavy metal emissions

1993 ◽  
Vol 13 (5-7) ◽  
pp. 524-525
Author(s):  
Thomas C. Ho
Keyword(s):  
Heavy Metal ◽  
Fluidized Bed ◽  
Two Stage ◽  
Fluidized Bed Incineration ◽  
Heavy Metal Emissions

scholarly journals Desulfurization using limestone during sludge incineration in a fluidized bed furnace: Increased risk of particulate matter and heavy metal emissions

Fuel ◽  
2020 ◽  
Vol 273 ◽  
pp. 117614 ◽  
Author(s):  
Jianrui Zha ◽  
Yaji Huang ◽  
Peter T. Clough ◽  
Lu Dong ◽  
Ligang Xu ◽  
...  
Keyword(s):  
Heavy Metal ◽  
Particulate Matter ◽  
Fluidized Bed ◽  
Sludge Incineration ◽  
Increased Risk ◽  
Heavy Metal Emissions

scholarly journals Partition of Cu and Pb in a Two-Stage Fluidized-Bed Waste Gasification System

2019 ◽  
Vol 9 (8) ◽  
pp. 1576 ◽  
Author(s):  
Chiou-Liang Lin ◽  
Jing-Dong Chou ◽  
Wang-Chang Weng
Keyword(s):  
Heavy Metals ◽  
Heavy Metal ◽  
Fluidized Bed ◽  
Operating Temperature ◽  
Two Stage ◽  
Factors Affecting ◽  
Bed Materials ◽  
Major Factors ◽  
Stage 1 ◽  
Bed Material

In this study, a two-stage fluidized-bed gasification system was used to determine the distribution of heavy metal contaminants in simulative waste and evaluate the effect of the bed operating temperature, Equivalence ratio (ER), and Steam/Biomass ratio (S/B) in stage 1. The heavy metal concentrations in bed materials and fly ash were measured in two stages. The results show that as the operating temperature of stage 1 increased, the quantity of heavy metals entrapped by stage 1 bed material decreased, while that captured by stage 2 bed material increased. The less volatile Cu was mostly entrapped in stage 1 bed material. The ER and S/B results show that increasing the ER and S/B caused a slight increase in the concentrations of heavy metals entrapped in stage 1 and stage 2 bed materials. However, the influences of ER and S/B were less than that of temperature. The major factors affecting the heavy metal distribution were the operating temperature and the heavy metal volatility. Stage 2 bed material was able to entrap gaseous heavy metals or particles containing heavy metals by particle filtration and chemical adsorption. Thus, the heavy metals (Cu and Pb) had a downward trend after passing through stage 2.

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