Fast Pyrolysis of Tropical Biomass Species and Influence of Water Pretreatment on Product Distributions.

PLoS One · 2016 · PMC4792437 · PMID 26978265

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a slight trendno p-value reported

For nitrogen there is a slight trend of increasing N with increasing temperature which is more significant at longer residence times; in general there is ~0.5–0.7 wt% N across all RT's from 400 to 500°C.

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a clear trendno p-value reported

The bio-oil yields follow a clear trend with the highest yields obtained at 400 to 450°C and lower yields at higher temperature, for the same vapor residence time.

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Quoted from the open-access full text in Europe PMC under the licence the publisher applied. The sentence is reproduced exactly as published; the emphasis is ours.