Slow pyrolysis polygeneration of bamboo (Phyllostachys pubescens): Product yield prediction and biochar formation mechanism

Wang, Huihui; Wang, Xin; Cui, Yanshan; Xue, Zhongcai; Ba, Yuxin

doi:10.1016/j.biortech.2018.05.040

Cited by 117 publications

(36 citation statements)

References 36 publications

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“…Other studies in the literature present biochar pH values ranging from 4 to 11. 38 Biochar calorific values help estimating its potential to be used as fuel. Baru waste conversion into biochar increased the HHV (> 10%); this outcome demonstrates the potential of this waste to be used as solid fuel, since the value recorded for it was close to that of materials often used for the same purpose.…”

Section: Pyrolysis and Biochar Productionmentioning

confidence: 99%

“…Baru waste conversion into biochar increased the HHV (> 10%); this outcome demonstrates the potential of this waste to be used as solid fuel, since the value recorded for it was close to that of materials often used for the same purpose. 38 Figure 2 presents functional groups of feedstocks and biochars deriving from baru; these groups show chemical structure transformations after pyrolysis.…”

Section: Pyrolysis and Biochar Productionmentioning

confidence: 99%

“…37 These results are in compliance with biochar proximate and elemental analysis, which recorded higher C content and lower O values than the raw feedstock. 37,38 Biochar presenting highly-aromatic properties has the potential to be feedstock for materials used in carbon sequestration and activation, as well as chemical reaction catalyst support and metallurgy reducing agent. 38 Besides, it presents high HHV, as already reported in the literature (Table 2).…”

Section: Ftir Spectra Biocharmentioning

confidence: 99%

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Sustainability of Biorefinery Processes Based on Baru Biomass Waste

Rambo¹,

Rambo²,

Melo³

et al. 2020

J. Braz. Chem. Soc.

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The aims of the current study are to investigate the composition of biomass from baru processing and to explore the feasibility of valuing it through the development of bioproducts such as fermentable sugars, furanics and biochar. Baru (Dipteryx alata Vog.) waste (endocarp and mesocarp) has great energetic potential to produce bioproducts due to its chemical composition. Proximate analyses applied to such waste have found low favorable moisture and ash content in it. Bioproduct characterizations after acid hydrolysis have shown that baru endocarp and mesocarp biomass can enable a range of value-added products in biorefinery concepts such as furfural and 5-hydroximetylfurfural (20.0 and 1.5% yield, respectively), and high sugar content (approximately 19.15 and 38.40%, respectively). Pyrolysis processes also present high biochar content (ca. 48%), with satisfactory characteristics to be used as fuel, as well as calorific value higher than 30 kJ g-1 .

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Section: Pyrolysis and Biochar Productionmentioning

confidence: 99%

Section: Pyrolysis and Biochar Productionmentioning

confidence: 99%

Section: Ftir Spectra Biocharmentioning

confidence: 99%

See 1 more Smart Citation

Sustainability of Biorefinery Processes Based on Baru Biomass Waste

Rambo¹,

Rambo²,

Melo³

et al. 2020

J. Braz. Chem. Soc.

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“…The smallest ash values are in the natural form, probably due to the presence of more macropores (pores larger than 50 [mu] m). These indicators, according to research by other authors [14][15][16][17]10] are characterized as medium, which is good, because high ash and volatile content can make it difficult for biochar pores to pass and therefore reduce its surface area and sorption capacity [14]. The biochar is able to absorb a mass of water exceeding its own weight.…”

Section: Resultsmentioning

confidence: 99%

Changes in the composition and properties of biochar after one-year application

et al. 2020

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The study examines the change in the properties of biochar obtained from Betula alba tree residues after its application in a field growing experiment for two growing periods in the areas with different water-air conditions (both with and without drainage). The results obtained after the first growing period showed a noticeable change in the indicators. The pH values in the biochar sample after the first growing period decreased sharply by 1.3 and 0.7 units in the areas with and without drainage, respectively, compared to the initial pH value of 8.09. After the second growing period, the change in pH value was not significant. The values of ash elements increased sharply, the content of volatile compounds decreased slightly. Water retention capacity improved. After the first growing period, water retention capacity almost doubled and it changed slightly in the sample with the biochar after its application in the second growing period.

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“…Table 1a and Table 1b present the literature contributions in this field. The use of wood waste [15,[23][24][25][26] and agricultural residues [16,17,27,28] as feedstock are common in the literature due to its low market value and availability [29,30]. The related variables with output can be used to reach more accurate results.…”

Section: Literature Reviewmentioning

confidence: 99%