Synthesis of liquid fuels from products of biomass gasification

Лапидус, А. Л.; Krylova, A. Yu.; Paushkin, Yaroslav; Rathouský, Jiřı́; Zukal, Arnošt; Stárek, Jindřich

doi:10.1016/0016-2361(94)90045-0

Cited by 17 publications

(7 citation statements)

References 8 publications

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“…Gasification can be used for the conversion of biomass into liquid transportation fuels, and so, it presents an attractive renewable replacement for conventional fuels derived from diminishing oil reserves. The synthesis gas (syngas, i.e., CO and H 2 ) produced by this process can be catalytically converted into mixed alcohol fuel, gasoline, and diesel fuel by the Fischer-Tropsch process 1 and methanol for later conversion to gasoline. 2 In addition to the variety of fuels that can be produced, gasification also has the potential of being relatively insensitive to the type of lignocellulosic feedstock.…”

Section: Introductionmentioning

confidence: 99%

“…From an economic standpoint, in the case of methanol production, a comparison of the two types of processes indicates that the capital intensity, that is, the capital cost per unit product, is comparable or less for indirect gasification. 1 Typically, indirect gasification involves a dualreactor arrangement 5 in which the biomass is gasified in one reactor and the remaining char is combusted in another reactor to provide heat. Steam is typically used as a carrier gas in an indirect gasifier and is condensed before the catalytic synthesis.…”

Section: Introductionmentioning

confidence: 99%

“…Conversely, with indirectly heated gasification, no air is added, and the product gas is better suited for chemical synthesis. From an economic standpoint, in the case of methanol production, a comparison of the two types of processes indicates that the capital intensity, that is, the capital cost per unit product, is comparable or less for indirect gasification . Typically, indirect gasification involves a dual-reactor arrangement in which the biomass is gasified in one reactor and the remaining char is combusted in another reactor to provide heat.…”

Section: Introductionmentioning

confidence: 99%

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Pilot-Scale Gasification of Corn Stover, Switchgrass, Wheat Straw, and Wood: 1. Parametric Study and Comparison with Literature

Carpenter

Bain

Davis

et al. 2010

Ind. Eng. Chem. Res.

142

118

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A parametric study of the gasification of four feedstocks (corn stover, switchgrass, wheat straw, and wood) has been performed on an experimental, pilot-scale (0.5 ton/day) gasification facility. A comparison was made of the performance of the gasifier as a function of feedstock, in terms of the syngas production and composition. In these experiments, pelletized feedstock was used, so that the shapes and sizes of the materials did not influence the results. A total of 22 statistically designed experimental conditions were examined for each feedstock, including the effects of varying the temperature of the fluidized bed, the temperature of the secondary thermal cracker, and the steam-to-biomass ratio. For each experimental condition, the permanent-gas composition was measured continuously by gas chromatography (GC). Tars were measured continuously using a molecular-beam mass spectrometer (MBMS). Sulfur analysis by GC was also conducted for three of the feedstocks studied. The results from this study show that there were significant differences between the feedstocks studied in terms of light gases formed, but less apparent variation in tar formation. In general, the variations in products were smaller at higher temperatures. A preliminary analysis of gasifier efficiency was performed using an Aspen Plus process model for selected gasification conditions. Finally, a comparison was made between the results of this work and other similar biomass gasification studies.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Pilot-Scale Gasification of Corn Stover, Switchgrass, Wheat Straw, and Wood: 1. Parametric Study and Comparison with Literature

Carpenter

Bain

Davis

et al. 2010

Ind. Eng. Chem. Res.

142

118

View full text Add to dashboard Cite

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“…On the other hand from the chemical properties, oxygenated fuel of biodiesel may promote the reaction to induce a shorter delay. If the delay time is too long, the accumulated mixture available for simultaneous explosion is large and thus it causes rapid combustion with high pressure and temperature, contributing to NO x emissions and combustion noise [22].…”

Section: Ignition Delaymentioning

confidence: 99%

Ignition and combustion characteristics of various biodiesel fuels (BDFs)

Shioji

NAKAO

et al. 2015

Fuel

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“…[7][8][9] For example, during gasification processes, in which biomass is heated to moderately high temperatures (700-900 • C) to efficiently produce a synthesis gas (H 2 + CO), the formation of unwanted byproducts such as polycyclic aromatic hydrocarbons (PAHs) is of major concern. [7][8][9] For example, during gasification processes, in which biomass is heated to moderately high temperatures (700-900 • C) to efficiently produce a synthesis gas (H 2 + CO), the formation of unwanted byproducts such as polycyclic aromatic hydrocarbons (PAHs) is of major concern.…”

Section: Introductionmentioning

confidence: 99%

Laser ablation with resonance-enhanced multiphoton ionization time-of-flight mass spectrometry for determining aromatic lignin volatilization products from biomass

Mukarakate

Scheer

Robichaud

et al. 2011

Review of Scientific Instruments

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We have designed and developed a laser ablation∕pulsed sample introduction∕mass spectrometry platform that integrates pyrolysis (py) and∕or laser ablation (LA) with resonance-enhanced multiphoton ionization (REMPI) reflectron time-of-flight mass spectrometry (TOFMS). Using this apparatus, we measured lignin volatilization products of untreated biomass materials. Biomass vapors are produced by either a custom-built hot stage pyrolysis reactor or laser ablation using the third harmonic of an Nd:YAG laser (355 nm). The resulting vapors are entrained in a free jet expansion of He, then skimmed and introduced into an ionization region. One color resonance-enhanced multiphoton ionization (1+1 REMPI) is used, resulting in highly selective detection of lignin subunits from complex vapors of biomass materials. The spectra obtained by py-REMPI-TOFMS and LA-REMPI-TOFMS display high selectivity and decreased fragmentation compared to spectra recorded by an electron impact ionization molecular beam mass spectrometer (EI-MBMS). The laser ablation method demonstrates the ability to selectively isolate and volatilize specific tissues within the same plant material and then detect lignin-based products from the vapors with enhanced sensitivity. The identification of select products observed in the LA-REMPI-TOFMS experiment is confirmed by comparing their REMPI wavelength scans with that of known standards.

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Synthesis of liquid fuels from products of biomass gasification

Cited by 17 publications

References 8 publications

Pilot-Scale Gasification of Corn Stover, Switchgrass, Wheat Straw, and Wood: 1. Parametric Study and Comparison with Literature

Pilot-Scale Gasification of Corn Stover, Switchgrass, Wheat Straw, and Wood: 1. Parametric Study and Comparison with Literature

Ignition and combustion characteristics of various biodiesel fuels (BDFs)

Laser ablation with resonance-enhanced multiphoton ionization time-of-flight mass spectrometry for determining aromatic lignin volatilization products from biomass

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