Fast pyrolysis of biomass in free-fall reactor for hydrogen-rich gas

Li, Shiguang; Xu, Shuai; Li, Shuqin; Yang, Chunli; Lu, Qinghua

doi:10.1016/j.fuproc.2003.11.043

Cited by 453 publications

(221 citation statements)

References 2 publications

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“…This research objective was to obtain the macroalgal kinetic parameters of the thermal decomposition via the Flynn-Wall-Ozawa (FWO) method and double extrapolation method, and to determine the macroalgal thermal degradation mechanism by comparing the value of activation energy E calculated by the two methods according to the most frequently used 22 mechanism functions of solid processes. The results may provide useful information for designing a pyrolytic processing system using macroalgal biomass as feedstock (Jiang et al, 2010;Li et al, 2004).…”

Section: Introductionmentioning

confidence: 97%

The Pyrolysis Characteristics and Kinetics of the Marine MacroalgaeEnteromorpha proliferaUsing a Thermogravimetric Analyzer

Zhao¹,

Yan²,

Liu³

et al. 2012

Energy Sources, Part A: Recovery, Utilization, and Environmenta

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Section: Introductionmentioning

confidence: 97%

The Pyrolysis Characteristics and Kinetics of the Marine MacroalgaeEnteromorpha proliferaUsing a Thermogravimetric Analyzer

Zhao¹,

Yan²,

Liu³

et al. 2012

Energy Sources, Part A: Recovery, Utilization, and Environmenta

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“…This reactor is an interesting analytical tool to study the global reaction of flash pyrolysis [3,10,[13][14][15][16][17][18][19], since very high heating rates of the particles can be obtained. Moreover, the residence time can be varied over a range of a few seconds, and the particles can be assumed to be isolated from each other, which makes interpretation easier [14,17].…”

Section: Introductionmentioning

confidence: 99%

“…Several works [1,11,13,25] have focused on gaseous products. They showed that gaseous amounts increase with temperature, residence time, and heating rate.…”

Section: Introductionmentioning

confidence: 99%

“…They showed that gaseous amounts increase with temperature, residence time, and heating rate. Li et al [13] showed that solid and liquid yields increase with particle diameters, whereas gaseous amounts decrease. The main gaseous products during flash pyrolysis of biomass are carbon monoxide (CO), hydrogen (H 2 ), carbon dioxide (CO 2 ), methane (CH 4 ) and other light hydrocarbons.…”

Section: Introductionmentioning

confidence: 99%

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Pyrolysis of wood at high temperature: The influence of experimental parameters on gaseous products

Commandré

Lahmidi

Salvador

et al. 2011

Fuel Processing Technology

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The pyrolysis of wood was carried out in an Entrained Flow Reactor at high temperature (650 to 950°C) and under rapid heating conditions (N 10 3 K s − 1 ). The influence of the diameter and initial moisture of the particle, reactor temperature, residence time and the nature of the gaseous atmosphere on the composition of the gaseous products has been characterised. Particle size, between 80-125 and 160-200 μm, did not show any impact. Pyrolysis and tar cracking essentially happen in very short time period: less than 0.6 s; the products yields are only slightly modified after 0.6 s in the short residence times (several seconds) of our experiments. Higher temperatures improve hydrogen yield in the gaseous product while CO yield decreases. Under nitrogen atmosphere, after 2 s at 950°C, 76% (daf) of the mass of wood is recovered as gases: CO, CO 2 , H 2 , CH 4 , C 2 H 2 , C 2 H 4 and H 2 O. Tests performed under steam partial pressure showed that hydrogen production is slightly enhanced.

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“…After extraction, the sample was air dried for a few minutes at room temperature and further dried at 105 °C in a convection oven. The extractives content was calculated as the difference in weight between the raw and extracted material (Ayeni et al, 2013b;Blasi et al, 1999;Li et al, 2004, Lin et al, 2010. Mineral components were determined by ashing at 575 °C for 6 h. The hemicellulose content was determined by transferring 1 g of dried biomass from the extractive analysis into a 250 mL Erlenmeyer flask.…”

Section: Materials Balances and Biomass Compositionmentioning

confidence: 99%

EFFECTIVE ALKALINE PEROXIDE OXIDATION PRETREATMENT OF SHEA TREE SAWDUST FOR THE PRODUCTION OF BIOFUELS: KINETICS OF DELIGNIFICATION AND ENZYMATIC CONVERSION TO SUGAR AND SUBSEQUENT PRODUCTION OF ETHANOL BY FERMENTATION USING Saccharomyces cerevisiae

Ayeni

Omoleye

Hymore

et al. 2016

Braz. J. Chem. Eng.

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-Shea tree sawdust delignification kinetic data during alkaline peroxide pretreatment were investigated at temperatures of 120 °C, 135 °C, and 150 °C. The activation energy during delignification was 76.4 kJ/mol and the Arrhenius constant was calculated as 8.4 x 10 6 per min. The reducing sugar yield for the treated to the untreated biomass was about 22-fold. Enzymatic hydrolysis conditions studied were; time (72 h and 96 h), substrate concentration (20, 30, 40, and 50 g/L), and enzyme loadings (10, 25, 40, 50 FPU/g dry biomass), which showed the optimum conditions of 96 h, 40 g/L, and 25 FPU/g dry biomass at 45 °C hydrolysis temperature. At the optimized enzymatic hydrolysis conditions, the reducing sugar yield was 416.32 mg equivalent glucose/g treated dry biomass. After 96 h fermentation of treated biomass, the ethanol obtained at 2% effective cellulose loading was 12.73 g/L. Alkaline peroxide oxidation pretreatment and subsequent enzymatic hydrolysis improved the ethanol yield of the biomass.

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Fast pyrolysis of biomass in free-fall reactor for hydrogen-rich gas

Cited by 453 publications

References 2 publications

The Pyrolysis Characteristics and Kinetics of the Marine MacroalgaeEnteromorpha proliferaUsing a Thermogravimetric Analyzer

The Pyrolysis Characteristics and Kinetics of the Marine MacroalgaeEnteromorpha proliferaUsing a Thermogravimetric Analyzer

Pyrolysis of wood at high temperature: The influence of experimental parameters on gaseous products

EFFECTIVE ALKALINE PEROXIDE OXIDATION PRETREATMENT OF SHEA TREE SAWDUST FOR THE PRODUCTION OF BIOFUELS: KINETICS OF DELIGNIFICATION AND ENZYMATIC CONVERSION TO SUGAR AND SUBSEQUENT PRODUCTION OF ETHANOL BY FERMENTATION USING Saccharomyces cerevisiae

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