Fundamental mechanisms in flue gas conditioning. Final report

Bush, P. Vann; Dahlin, R.S.

doi:10.2172/220578

Cited by 3 publications

(1 citation statement)

References 23 publications

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“…SO 3 combines with the moisture vapor in the flue gas and forms sulphuric acid, which is adsorbed on the surface of the particles when flue gas cools. This process results in the formation of a thin conducting film on the surface of the ash particles [23,82]. It has been reported in the literature that gaseous injection of SO 3 results in maximum adsorption of the additive by the ash, while the aqueous spray yields a lower ($20-70%) adsorption probably due to its larger droplet size [25].…”

Section: Sulphur Trioxide Conditioningmentioning

confidence: 99%

Flue gas conditioning for reducing suspended particulate matter from thermal power stations

Shanthakumar

Singh

Phadke

2008

Progress in Energy and Combustion Science

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Section: Sulphur Trioxide Conditioningmentioning

confidence: 99%

Flue gas conditioning for reducing suspended particulate matter from thermal power stations

Shanthakumar

Singh

Phadke

2008

Progress in Energy and Combustion Science

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A lab-scale study on the humidity conditioning of flue gas for improving fabric filter performance

Park

Yoo

Seung³

2007

Korean J. Chem. Eng.

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The Effect of Dual Flue Gas Conditioning on Fly Ash Characteristics

Mitchell

Link

Shanthakumar

et al. 2009

Journal of Testing and Evaluation

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Dual flue gas conditioning (DFGC) deals with the addition of chemical additives such as ammonia and sulfur trioxide, simultaneously, to the flue gas for increasing the ash collection efficiency of electrostatic precipitators (ESPs). Previous studies with ammonia as the conditioning agent [i.e., ammonia flue gas conditioning (AFGC)] have revealed that the collection efficiency increases drastically due to agglomeration of ash particles. However, in what way combination of sulfur trioxide and ammonia helps in increasing the efficiency of ESPs, and hence controlling emissions from the power stations, has not yet been studied in detail. With this in view, efforts were made to investigate the influence of DFGC and AFGC on the collection efficiency of ESPs and overall properties of the ash. To achieve this, fly ash samples from a thermal power station in India, where DFGC is being adopted, were collected and their physico-chemico-mineralogical and morphological properties were investigated. The results obtained were critically analyzed vis-à-vis those obtained for the fly ash samples collected from a thermal power plant where only AFGC is being adopted. The advantage of DFGC over AFGC for enhancing the overall collection efficiency of ESPs has been demonstrated in this paper.

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Fundamental mechanisms in flue gas conditioning. Final report

Cited by 3 publications

References 23 publications

Flue gas conditioning for reducing suspended particulate matter from thermal power stations

Flue gas conditioning for reducing suspended particulate matter from thermal power stations

A lab-scale study on the humidity conditioning of flue gas for improving fabric filter performance

The Effect of Dual Flue Gas Conditioning on Fly Ash Characteristics

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