A comparative experimental study on the liquefaction of wood

Zhong, Chongli; Wei, Xiaomin

doi:10.1016/j.energy.2004.03.096

Cited by 189 publications

(82 citation statements)

References 18 publications

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“…The Higher Heating Value (HHV), which is the total energy content released when the material is burnt under air, was obtained from the elemental analysis with the Dulong's formula (Zhong and Wei, 2004): HHV ¼ 0:03383 wt%ðCÞ þ 1:422ðwt%ðHÞ À wt%ð0Þ=8Þ…”

Section: Methodsmentioning

confidence: 99%

Hydroliquefaction of green wastes to produce fuels

Beauchet

Pinard

Kpogbemabou³

et al. 2011

Bioresource Technology

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Section: Methodsmentioning

confidence: 99%

Hydroliquefaction of green wastes to produce fuels

Beauchet

Pinard

Kpogbemabou³

et al. 2011

Bioresource Technology

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“…The HTL of Chinese fir and Manchurian ash have been researched by Zhong and colleagues. Their results indicated that the best temperature for HTL of Chinese fir and Manchurian ash is 340 °C and 300 °C, respectively (Zhong and Wei 2004). The higher the lignin content, the greater the temperature required for HTL.…”

Section: Effects Of Reaction Temperature On Product Yieldsmentioning

confidence: 95%

“…The best temperature for HTL of SP was 300 °C. The lignin content of SP is 25.89 wt%, which is lower than that of Chinese fir (32.44%) (Zhong and Wei 2004) and similar to that of Manchurian ash (21%) (Zhong and Wei 2004). The HTL of Chinese fir and Manchurian ash have been researched by Zhong and colleagues.…”

Section: Effects Of Reaction Temperature On Product Yieldsmentioning

confidence: 99%

Hydrothermal Liquefaction of Desert Shrub Salix psammophila to High Value-added Chemicals and Hydrochar with Recycled Processing Water

Li¹,

Yang²,

Zhang³

et al. 2013

BioResources

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-oil and hydrochar were produced through the hydrothermal liquefaction (HTL) of Salix psammophila (SP) branch residues with recycled processing water, in order to address the lack of water in deserts or sandy lands and the difficulty of water treatment in a batch reactor. The results indicated that the recycling of the HTL processing water could significantly improve the yield of bio-oil from 30.3% to 46.9%. The gas chromatography and mass spectrometry analyses of the obtained bio-oil confirmed the presence of value-added chemicals, such as phenolics, acetic acid, and furans. The acetic acid in the processing water played a key role in the HTL. The heavy oil had a high content (maximum of 42.7 wt%) of the low boiling point fraction (<300 °C), indicating its potential for further applications. The higher heating value of the hydrochar was about 27 MJ/kg, equivalent to the heating value of medium-rank and high-rank coals. These results show that HTL using recycled processing water has great potential for utilization of desert biomass wastes.

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“…This process produces biochar as one of the major products and with increasing importance of bio-oil large amounts of biochar will be available in the near future [11][12][13][14][15]. In the field of biomass hydrothermal conversion, most attention has been focused on the liquid product (bio-oil), but the biochar, which is also an attractive byproduct, has received less attention.…”

Section: Introductionmentioning

confidence: 99%

Removal of lead from water using biochars prepared from hydrothermal liquefaction of biomass

Liu

Zhang

2009

Journal of Hazardous Materials

629

228

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a b s t r a c tHydrothermal conversion of biomass into biofuel could produce a special type of biochar as byproduct. This biochar is quite different from biochar derived from high temperature pyrolysis. In the present study, two biochars, prepared from hydrothermal liquefaction of pinewood (P300) and rice husk (R300), were characterized and investigated for lead removal from aqueous solution. The results indicated that the biochars contained a large amount of oxygen-containing groups on the surface, which were quite effective for lead removal with capacities of 4.25 and 2.40 mg/g for P300 and R300, respectively. The adsorption equilibrium was achieved around 5 h. Higher temperature favored the removal capacity implying that the adsorption was an endothermic process. The adsorption data at optimum solution pH 5 could be well described by Langmuir model and the adsorption process was well fitted by pseudo-second-order model. Moreover, it was found that the adsorption was mainly controlled by film diffusion. Thermodynamics analysis suggested that lead adsorption onto the biochars was physical endothermic process.

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A comparative experimental study on the liquefaction of wood

Cited by 189 publications

References 18 publications

Hydroliquefaction of green wastes to produce fuels

Hydroliquefaction of green wastes to produce fuels

Hydrothermal Liquefaction of Desert Shrub Salix psammophila to High Value-added Chemicals and Hydrochar with Recycled Processing Water

Removal of lead from water using biochars prepared from hydrothermal liquefaction of biomass

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