scholarly journals Sulfur Oxide Emission and Limestone Utilization in Two-stage Swirl-flow Fluidized-bed Combustion of Sewage Sludge.

1993 ◽  
Vol 26 (4) ◽  
pp. 368-373 ◽  
Author(s):  
Jea-Keun Lee ◽  
Ki-Ho Lee ◽  
Jeong-Gook Jang ◽  
Hai-Soo Chun
Keyword(s):  
Sewage Sludge ◽  
Fluidized Bed ◽  
Swirl Flow ◽  
Sulfur Oxide ◽  
Fluidized Bed Combustion ◽  
Two Stage

scholarly journals Highly Effective Adsorption Process of Ni(II) Ions with the Use of Sewage Sludge Fly Ash Generated by Circulating Fluidized Bed Combustion (CFBC) Technology

Materials ◽  
2021 ◽  
Vol 14 (11) ◽  
pp. 3106
Author(s):  
Tomasz Kalak ◽  
Kinga Marciszewicz ◽  
Joanna Piepiórka-Stepuk
Keyword(s):  
Fly Ash ◽  
Sewage Sludge ◽  
Fluidized Bed ◽  
Circulating Fluidized Bed ◽  
Municipal Sewage ◽  
Municipal Sewage Sludge ◽  
Fluidized Bed Combustion ◽  
Nickel Ions ◽  
Suitable Material ◽  
Circulating Fluidized Bed Combustion

Recently, more and more attention has been paid to the removal of nickel ions due to their negative effects on the environment and human health. In this research, fly ash obtained as a result of incineration of municipal sewage sludge with the use of circulating fluidized bed combustion (CFBC) technology was used to analyze the possibility of removing Ni(II) ions in adsorption processes. The properties of the material were determined using analytical methods, such as SEM-EDS, XRD, BET, BJH, thermogravimetry, zeta potential, SEM, and FT-IR. Several factors were analyzed, such as adsorbent dose, initial pH, initial concentration, and contact time. As a result of the conducted research, the maximum sorption efficiency was obtained at the level of 99.9%. The kinetics analysis and isotherms showed that the pseudo-second order equation model and the Freundlich isotherm model best suited this process. In conclusion, sewage sludge fly ash may be a suitable material for the effective removal of nickel from wastewater and the improvement of water quality. This research is in line with current trends in the concepts of circular economy and sustainable development.

NOx and N2O Emission Characteristics From Circulation Fluidized Bed Combustion of Blends of Paper Mill Sludge and Coal

2005 ◽  
Author(s):  
Xiao-Ping Chen ◽  
Li-Feng Gu ◽  
Chang-Sui Zhao ◽  
Ai-Qiang Zhu ◽  
Xin Sun
Keyword(s):  
Sewage Sludge ◽  
Fluidized Bed ◽  
Paper Mill ◽  
N2o Emission ◽  
Municipal Sewage ◽  
Municipal Sewage Sludge ◽  
Emission Characteristics ◽  
Fluidized Bed Combustion ◽  
Paper Mill Sludge ◽  
Excess Air

With the rapid economic development and the increase in population in the whole world, the amount of municipal sewage (MS) is increasing and lead to a rapid increasing in amount of municipal sewage sludge (MSS). Combustion of municipal sewage sludge may be a viable solution for its disposal in some cases and so is its co-combustion with coal. Whereas significant information is available on NOx and N2O emissions characteristics of sludge and coal individually, not much has been reported on sludge/coal blends. In the present paper, investigations in NOx and N2O emission characteristics from circulation fluidized bed combustion of blends of municipal sewage sludge and coal were conducted in a 0.2MWth circulating fluidized bed test facility with cross section of 0.23×0.23m2 and height of 5.9m. Coal sample selected was a kind of lignite, while a kind of paper mill sludge was used as sludge sample. The influences of sludge/coal mixing rate, excess air ratio and second air ratio on NOx and N2O emission characteristics have been studied. Test results show that co-combustion of sewage sludge and coal is feasible. With the increasing in proportion of sludge of the sludge/coal blends, the temperatures in dense bed and freeboard decrease rapidly, and the emissions of NOx decrease while the emission of N2O increases obviously. With the increasing in excess air ratio, the emission concentrations of NOx and N2O increase. While with the increasing in secondary air ratio, the emission concentrations of NOx and N2O decrease.

scholarly journals Effect of parameters on performance of two-stage swirl-flow fluidized bed coal combustors.

1991 ◽  
Vol 24 (6) ◽  
pp. 703-708 ◽  
Author(s):  
J. K. Lee ◽  
K. H. Lee ◽  
J. G. Jang ◽  
Y. S. Shin ◽  
H. S. Chun
Keyword(s):  
Fluidized Bed ◽  
Swirl Flow ◽  
Two Stage

scholarly journals Analysis of pollutant emissions during circulating fluidized bed combustion of sewage sludge

2019 ◽  
Vol 1398 ◽  
pp. 012010
Author(s):  
M Kosowska-Golachowska ◽  
A Luckos ◽  
A Kijo-Kleczkowska ◽  
T Musiał ◽  
K Wolski ◽  
...  
Keyword(s):  
Sewage Sludge ◽  
Fluidized Bed ◽  
Circulating Fluidized Bed ◽  
Pollutant Emissions ◽  
Fluidized Bed Combustion ◽  
Circulating Fluidized Bed Combustion
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