Alstom Power’s Flash Dryer Absorber for Flue Gas Desulfurization

2002 ◽  
Author(s):  
Stefan Ahman ◽  
Charles B. Barranger ◽  
Peter G. Maurin
Keyword(s):  
Flue Gas ◽  
Full Scale ◽  
Flue Gas Desulfurization ◽  
Test Program ◽  
Electrostatic Precipitators

ALSTOM’s Flash Dryer Absorber (FDA) system is a dry FGD technology, which aims for simplicity and compactness. This first installation was in Poland at the 2×120 Mwe Lasiska site, and was commissioned in 1996. Since then there have been a number of important developments of technology, notably combination with an ESP, use of integrated lime hydration and use of ash from CFB as the reagent; supported by an ongoing test program. The technology also looks promising for the retrofit area. The combined full-scale plant for the removal of flyash and SO2 can often be fitted into the space occupied by the existing electrostatic precipitators. There are seventeen commercial installations of FDA in various stages of operation, construction, and design.

scholarly journals Study on SO3 Cooperative Removal Effect of Ultra-low Emission Technology in Coal-fired Power Plants

2018 ◽  
Vol 53 ◽  
pp. 04005 ◽  
Author(s):  
Ding Yang ◽  
Yi Luo ◽  
XingLian Ye ◽  
WeiXiang Chen ◽  
Jun Guo ◽  
...  
Keyword(s):  
Low Temperature ◽  
Flue Gas ◽  
Power Plants ◽  
Electrostatic Precipitator ◽  
Removal Rate ◽  
Flue Gas Desulfurization ◽  
Paper Briefly ◽  
Low Emission ◽  
Electrostatic Precipitators

SO3 is one of the main precursors of atmospheric PM2.5, and its emission has attracted more and more attention in the industry. This paper briefly analyzes the harm of SO3 and the method of controlled condensation to test SO3. The effect of cooperative removal of SO3 by ultra-low emission technology in some coal-fired power plants has been tested by using the method of controlled condensation. The results show that the cooperative removal of SO3 by ultra-low emission technology in coal-fired power plants is effective. The removal rate of SO3 by low-low temperature electrostatic precipitators and electrostatic-fabric integrated precipitators can be exceeded 80%, while the removal rate of SO3 by wet flue gas desulfurization equipment displays lower than the above two facilities, and the wet electrostatic precipitator shows a better removal effect on SO3. With the use of ultra-low emission technology in coal-fired power plants, the SO3 emission concentration of the tail chimney reaches less than 1 mg / Nm3.

Full Scale Evaluation and Suppression of Mercury Re-Emission in Wet Flue Gas Desulfurization System

2013 ◽  
Vol 316-317 ◽  
pp. 354-357 ◽  
Author(s):  
Cheng Li Wu ◽  
Yan Cao ◽  
Han Xu Li ◽  
Wei Ping Pan
Keyword(s):  
Flue Gas ◽  
Environmental Protection Agency ◽  
Catalytic Reduction ◽  
Field Testing ◽  
The United States ◽  
Full Scale ◽  
Flue Gas Desulfurization ◽  
Emission Rates ◽  
Forced Oxidation ◽  
Ontario Hydro

The full-scale of PC/Cyclone Boilers with common wet flue gas desulfurization (WFGD) with limestone forced oxidation (LSFO) was studied. Ontario Hydro Method (OHM) recommended by the United States Environmental Protection Agency (USEPA) was used to determine mercury emission and speciation at these two full-scale WFGD systems, and OHM quality assurance/quality control (QA/QC) was followed during the field testing. WFGD re-emission problems were repeatedly observed at this unit. Selective catalytic reduction (SCR) had significant effects on mercury removal and Hg0 re-emission rates across WFGD. Effects of injection of continuous chemicals additive containing HS-, S2- or I- on mercury re-emission control were also conducted at this unit.

Mass Flow Analysis of Mercury Transformation and Effect of Seawater Flue Gas Desulfurization on Mercury Removal in a Full-Scale Coal-Fired Power Plant

2017 ◽  
Vol 31 (10) ◽  
pp. 11109-11116 ◽  
Author(s):  
Sheng Su ◽  
Lijun Liu ◽  
Lele Wang ◽  
Syed Shatir A. Syed-Hassan ◽  
Fanhai Kong ◽  
...  
Keyword(s):  
Power Plant ◽  
Mass Flow ◽  
Flue Gas ◽  
Flow Analysis ◽  
Full Scale ◽  
Flue Gas Desulfurization ◽  
Mercury Removal

Full-scale simulation of flow field in ammonia-based wet flue gas desulfurization double tower

2018 ◽  
Vol 91 (4) ◽  
pp. 619-629 ◽  
Author(s):  
Qi Zhang ◽  
Shijie Wang ◽  
Ping Zhu ◽  
Zhiyong Wang ◽  
Gu Zhang
Keyword(s):  
Flow Field ◽  
Flue Gas ◽  
Full Scale ◽  
Flue Gas Desulfurization

URANUS 52N

Alloy Digest ◽  
1994 ◽  
Vol 43 (5) ◽  
Keyword(s):  
Stainless Steel ◽  
Corrosion Resistance ◽  
High Temperature ◽  
Flue Gas ◽  
Crevice Corrosion ◽  
Heat Treating ◽  
Flue Gas Desulfurization ◽  
Temperature Performance ◽  
Aisi Type ◽  
Better Than

Abstract URANUS 52N is a nitrogen-alloyed duplex stainless steel improved in stress-corrosion cracking resistance and with pitting and crevice corrosion resistance better than AISI Type 317L. Applications include handling phosphoric acid contaminated with chlorides and in flue gas desulfurization scrubbers. This datasheet provides information on composition, physical properties, and tensile properties. It also includes information on high temperature performance and corrosion resistance as well as forming, heat treating, and joining. Filing Code: SS-566. Producer or source: Creusot-Marrel.

AL 4565 ALLOY

Alloy Digest ◽  
2004 ◽  
Vol 53 (8) ◽  
Keyword(s):  
Fracture Toughness ◽  
Corrosion Resistance ◽  
High Temperature ◽  
High Resistance ◽  
Flue Gas ◽  
Heat Treating ◽  
Flue Gas Desulfurization ◽  
High Nitrogen ◽  
Temperature Performance ◽  
High Level

Abstract AL 4565 alloy has a high level of austenitizers, which provides the microstructure with a high resistance to sigma formation during welding. The high nitrogen also gives the alloy superior strength among the austenitics. Applications include flue gas desulfurization and handling seawater. This datasheet provides information on composition, physical properties, hardness, elasticity, and tensile properties as well as fracture toughness. It also includes information on high temperature performance and corrosion resistance as well as heat treating and joining. Filing Code: SS-906. Producer or source: Allegheny Ludlum Corporation.

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