Simultaneous removal of nitrogen oxides and fly-ash from coal-based power-plant flue gases

1998 ◽  
Vol 18 (11) ◽  
pp. 1025-1035 ◽  
Author(s):  
Guido Saracco ◽  
Vito Specchia
Keyword(s):  
Fly Ash ◽  
Power Plant ◽  
Nitrogen Oxides ◽  
Flue Gases ◽  
Simultaneous Removal

scholarly journals Acoustic Agglomeration of Power Plant Fly Ash for Environmental and Hot Gas Clean-up

1988 ◽  
Vol 110 (4) ◽  
pp. 552-557 ◽  
Author(s):  
G. Reethof
Keyword(s):  
Fly Ash ◽  
Power Plant ◽  
Pollution Control ◽  
Flue Gases ◽  
Analytical Models ◽  
Particle Removal ◽  
Air Pollution Control ◽  
Hot Gas ◽  
History Of ◽  
Viable Method

Acoustic agglomeration of power plant fly ash is an intermediate treatment of the flue gases to increase the size of the small micron (1–5) and submicron (0.1–1) particulates to large micron sizes (5–10) so that the conventional particle removal devices such as bag houses, electrostatic precipitators, and scrubbers can operate more efficiently. This paper provides a brief history of the topic, introduces some of the fundamental issues and gives some recent results of analytical models of the processes. The experimental facility is briefly described and some analytical results are shown which compare well with the experimental results. Most important of all, the paper shows that acoustic agglomeration is a technically and potentially economically viable method to improve air pollution control.

A multifunctional filter for the simultaneous removal of fly-ash and NOx from incinerator flue gases

2004 ◽  
Vol 59 (22-23) ◽  
pp. 5329-5336 ◽  
Author(s):  
Debora Fino ◽  
Nunzio Russo ◽  
Guido Saracco ◽  
Vito Specchia
Keyword(s):  
Fly Ash ◽  
Flue Gases ◽  
Simultaneous Removal

scholarly journals Simultaneous NOx and Dioxin Removal in the SNCR Process

2020 ◽  
Vol 12 (14) ◽  
pp. 5766
Author(s):  
Grzegorz Wielgosiński ◽  
Justyna Czerwińska ◽  
Olga Szymańska ◽  
Janusz Bujak
Keyword(s):  
Nitrogen Oxides ◽  
Catalytic Reduction ◽  
Environmental Pollutants ◽  
Reducing Agents ◽  
Production Costs ◽  
Flue Gases ◽  
Polychlorinated Dibenzofurans ◽  
Thermal Processes ◽  
Simultaneous Removal ◽  
Additional Production

Nitrogen oxides, polychlorinated dibenzo-p-dioxins, and polychlorinated dibenzofurans are pollutants formed during thermal processes, in particular during the combustion of various fuels, including waste. They are classified as dangerous and highly toxic environmental pollutants whose emissions are strictly regulated. Many methods for reducing their emissions are known, but all involve additional production costs. For this reason, effective and cheap methods for removing these pollutants from exhaust gases are still sought. Selective non-catalytic reduction of nitrogen oxides is one of the more effective and cheaper methods for reducing these emissions. However, an alternative to expensive methods for dioxin and furan removal (catalysis, adsorption, etc.) may include using dioxin synthesis inhibitors. The authors propose a method for the simultaneous removal of both pollutants from flue gases using selective non-catalytic reduction technologies with dioxin synthesis inhibitors used as reducing agents.

SIMULTANEOUS REMOVAL OF ASTRAZONE BLUE AND LEAD ONTO LOW COST ADSORBENTS BASED ON POWER PLANT ASH

2011 ◽  
Vol 10 (3) ◽  
pp. 341-347 ◽  
Author(s):  
Maria Harja ◽  
Marinela Barbuta ◽  
Lacramioara Rusu ◽  
Corneliu Munteanu ◽  
Gabriela Buema ◽  
...  
Keyword(s):  
Power Plant ◽  
Low Cost ◽  
Simultaneous Removal ◽  
Power Plant Ash ◽  
Plant Ash

FLY ASH FROM THERMAL POWER PLANT, RAW MATERIAL FOR GLASS-CERAMIC

2013 ◽  
Vol 12 (2) ◽  
pp. 337-342 ◽  
Author(s):  
Firuta Goga ◽  
Roxana Dudric ◽  
Calin Cormos ◽  
Florica Imre ◽  
Liliana Bizo ◽  
...  
Keyword(s):  
Fly Ash ◽  
Power Plant ◽  
Glass Ceramic ◽  
Thermal Power Plant ◽  
Thermal Power ◽  
Raw Material ◽  
Plant Raw Material

The Influence of the Ash Addition from Thermal Power Plant on the Mechanical, Thermal and Dielectric Characteristics of Mortars

2018 ◽  
Vol 69 (8) ◽  
pp. 2040-2044
Author(s):  
Georgeta Velciu ◽  
Virgil Marinescu ◽  
Adriana Moanta ◽  
Ladislau Radermacher ◽  
Adriana Mariana Bors
Keyword(s):  
Thermal Conductivity ◽  
Fly Ash ◽  
Power Plant ◽  
Cement Mortar ◽  
Thermal Power ◽  
Total Content ◽  
Ash Content ◽  
Dielectric Losses ◽  
Dielectric Characteristics ◽  
Cement Mortars

The influence of fly ash adittion (90 % fraction [ 100 mm) on the cement mortar characteristics was studied. The XRD, XRF, SEM and FTIR determinations indicated that fly ash used has a hollow microstructure of microsphere and cenosphere whose total content in SiO2, Al2O3 and Fe2O3 is 88.63 % and that of CaO and MgO of 8.55 %. The mechanical, thermal and dielectric determinations made on mortar samples with content of fly ash in the 0-40 % range have highlighted fact that the mechanical strength of cement mortars is maximal at 20 %, the increase in fly ash content leads to a decrease in relative density and thermal conductivity as well as and to increased dielectric losses tgd.

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