The impact of fuel properties on the emissions from the combustion of biomass and other solid fuels in a fixed bed domestic stove

Mitchell, Edward John; Lea‐Langton, Amanda; Jones, Jenny M.; Williams, Alan; Layden, Peter; Johnson, Robert

doi:10.1016/j.fuproc.2015.09.031

Cited by 146 publications

(107 citation statements)

References 25 publications

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“…High coal moisture content lowers the combustion and flame temperatures, leading to increased condensation of volatile matter in the post-flame region of the stove, resulting in elevated levels of PM emissions. The concentration of smoke particles tends to decrease rapidly during the pyrolysis phase of combustion when considering the entire combustion cycle (Mitchell et al, 2016). This is because the water in the coal eventually evaporates and the degree of incomplete combustion is reduced.…”

Section: Discussionmentioning

confidence: 99%

Influence of coal properties on the performance of fixed-bed coal-burning braziers

Makonese

Masekameni

Annegarn

2017

J. energy South. Afr.

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Section: Discussionmentioning

confidence: 99%

Influence of coal properties on the performance of fixed-bed coal-burning braziers

Makonese

Masekameni

Annegarn

2017

J. energy South. Afr.

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“…From the ultimate analysis of PKS ( Normally the initial theoretical air should be between 150-250% with briquette density range between 400-700 kg/m 3 [7][8]. For the PKS mixed with crude glycerol briquette having a density of 1,121.70 kg/m 3 , it would require supplied air more than the above recommendation.…”

Section: Analysis Of Air Flow For the Combustion Of Pks Mixed With Crmentioning

confidence: 99%

Combustion Characteristics of Palm Kernel Shell Mixed with Crude Glycerol Briquette Fuel

Potip¹,

Wongwuttanasatian²

2018

dteees

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Abstract. The purpose of this research was to study the combustion characteristics of palm kernel shell (PKS) mixed with crude glycerol. Initial supplied air and ratios of glycerol were varied for best combustion to obtain high temperature, high combustion rate and minimum emission. PKS is mixed with molasses and crude glycerol at 3 different ratios by mass i.e. 90:10:0, 85:10:5, 80:10:10 (PKS: molasses: crude glycerol). Mixed material was compressed at 10 MPa in a designed hydraulic briquettizer. Then the briquette was burnt with different supplied airs corresponding to 600%, 750%, 900% and 1050% theoretical air. The results show that when crude glycerol and supplied air were increased, the temperatures and rates of combustion increased to a maximum value and dropped. For exhaust gasses analysis, Carbon monoxide (CO), Nitrogen dioxide (NO 2 ), Sulfur dioxide (SO 2 ) and Acrolein gas were all within Standards. Therefore, it can be concluded that PKS mixed with crude glycerol at 85:10:5 and theoretical air of 900% provide the best combustion and is recommended for use as briquette fuel.

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“…1. The general arrangement of the stove and measurement equipment was in accordance with BS EN 13240, as described previously (Mitchell et al, 2015). The stove was mounted on an electronic scale and sampling ports were installed in the 125 mm diameter flue at a height of 1.43 m.…”

Section: Domestic Stove Combustion Testsmentioning

confidence: 99%

“…But it is possible to estimate emissions of NO x and PM on the basis of an 'additivity' rule, that is, the emission of the blend is approximately the sum of the emissions of the individual components on a pro rata basis (Sommersacher et al, 2015;Mitchell et al, 2015).…”

Section: Domestic Stove Combustion Testsmentioning

confidence: 99%

The use of conservation biomass feedstocks as potential bioenergy resources in the United Kingdom

Phillips

Mitchell

Lea‐Langton

et al. 2016

Bioresource Technology

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A number of countries have introduced energy policies to reduce the emission of carbon dioxide which, in the case of bio-heat, has resulted in increased use of small wood burning stoves and boilers, particularly in Europe. There are issues surrounding the supply of sustainable wood feedstock, prompting a desire to utilise local biomass resources. This includes biomass generated through the management of natural woodlands in nature reserves and conservation areas. These management practices can also extend to other areas, such as raised bog wildernesses and estuary Reed beds. We term the biomass from this resource as conservation biomass. This study is concerned with the viability of this resource as a fuel within the United Kingdom, and combustion tests were carried out using a small domestic stove. It was concluded that there is as much as 500kty(-1) that could be used in this way.

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The impact of fuel properties on the emissions from the combustion of biomass and other solid fuels in a fixed bed domestic stove

Cited by 146 publications

References 25 publications

Influence of coal properties on the performance of fixed-bed coal-burning braziers

Influence of coal properties on the performance of fixed-bed coal-burning braziers

Combustion Characteristics of Palm Kernel Shell Mixed with Crude Glycerol Briquette Fuel

The use of conservation biomass feedstocks as potential bioenergy resources in the United Kingdom

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