Co-combustion and Gasification of Coal and Cattle Biomass: a Review of Research and Experimentation

Carlin, Nicholas; Annamalai, K.; Oh, Hyukjin; Ariza, Gerardo Gordillo; Lawrence, Ben; Arcot, V Udayasarathy; Sweeten, John M.; Heflin, Kevin; Harman, Wyatte L.

doi:10.1007/978-1-84882-647-2_4

Cited by 2 publications

(1 citation statement)

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“…Full-grown milking cows can produce 7 to 8% of their body weight in manure per day that is, roughly 7.3 dry kg per animal per day. About 24 billion dry kg (26.7 million tons) of dairy manure is produced per year in the US [5]. If thermal gasification technology is developed for DB fuels, the environmental impact from both animal feeding operations and fossil fuels could be mitigated.…”

Section: Journal Of Combustionmentioning

confidence: 99%

Dairy Biomass-Wyoming Coal Blends Fixed Gasification Using Air-Steam for Partial Oxidation

Gordillo

Annamalai

2012

Journal of Combustion

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Concentrated animal feeding operations such as dairies produce a large amount of manure, termed as dairy biomass (DB), which could serve as renewable feedstock for thermal gasification. DB is a low-quality fuel compared to fossil fuels, and hence the product gases have lower heat content; however, the quality of gases can be improved by blending with coals. This paper deals with air-steam fixed-bed counterflow gasification of dairy biomass-Wyoming coal blend (DBWC). The effects of equivalence ratio (1.6 < Φ < 6.4) and steam-to-fuel ratio (0.4 < S : F < 0.8) on peak temperatures, gas composition, gross heating value of the products, and energy recovery are presented. According to experimental results, increasing Φ and (S : F) ratios decreases the peak temperature and increases the H 2 and CO 2 production, while CO production decreases. On the other hand, the concentrations of CH 4 and C 2 H 6 were lower compared to those of other gases and almost not affected by Φ.

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Section: Journal Of Combustionmentioning

confidence: 99%