2012
DOI: 10.3390/en5125418
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Fuel-N Evolution during the Pyrolysis of Industrial Biomass Wastes with High Nitrogen Content

Abstract: Abstract:In this study, sewage sludge and mycelial waste from antibiotic production were pyrolyzed in a batch scale fixed-bed reactor as examples of two kinds of typical industrial biomass wastes with high nitrogen content. A series of experiments were conducted on the rapid pyrolysis and the slow pyrolysis of these wastes in the temperature range from 500-800 °C to investigate the Fuel-N transformation behavior among pyrolysis products. The results showed that Fuel-N conversion to Char-N intimately depended o… Show more

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Cited by 65 publications
(40 citation statements)
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“…Researches have been conducted to investigate the nitrogen release during biomass pyrolysis. It was reported that the gaseous components generally contain NH 3 , HCN, HNCO, and NO [13][14][15]. Two approaches, chemical method and thermogravimetry infrared spectrum (TG-FTIR) method, were frequently used to research the conversion of fuel-N into gaseous nitrogen components.…”
Section: Introductionmentioning
confidence: 99%
See 1 more Smart Citation
“…Researches have been conducted to investigate the nitrogen release during biomass pyrolysis. It was reported that the gaseous components generally contain NH 3 , HCN, HNCO, and NO [13][14][15]. Two approaches, chemical method and thermogravimetry infrared spectrum (TG-FTIR) method, were frequently used to research the conversion of fuel-N into gaseous nitrogen components.…”
Section: Introductionmentioning
confidence: 99%
“…Chemical method was carried out by many researches [13,14,[16][17][18][19][20][21][22]. In those studies, NH 3 and HCN were absorbed by acid and alkaline solutions to form NH 4 + and CN − , respectively.…”
Section: Introductionmentioning
confidence: 99%
“…However, these bio-wastes are usually of high moisture content (around 56 wt.% for MSW and 80 wt.% for sewage sludge), high nitrogen (N) (e.g. sewage sludge: 1.0-10.0 wt.% at dry basis (db) [26][27][28][29][30][31]; mycelial waste: 2.0-9.0 wt.% (db) [32]; distilled spirits lees: about 3 wt.% (db) [33]) or chlorine (Cl) content (as high as 1.6 wt.% (db) for MSW because of the existence of plastic [34]) [33]. Direct incineration encounters various problems, such as hard to ignite, unsteady and unstable combustion, incomplete combustion, and huge amount of gaseous pollutants due to the high moisture content.…”
Section: Introductionmentioning
confidence: 99%
“…The distribution of nitrogen-containing gases released from DKP pyrolysis was almost the opposite under the two different experiment conditions. The release of tar was dependent on the particle diameter of DKP and the heating rate of the fuel, which further influenced the distribution of fuel nitrogen in gaseous products [4,[18][19][20][21]. In addition, DKP was put into the reactor in different ways in Hansson's [9] and our experiments [3].…”
Section: Introductionmentioning
confidence: 80%