Long-term operation of biomass-to-liquid systems coupled to gasification and Fischer–Tropsch processes for biofuel production

Kim, Kwangsu; Kim, Young-Doo; Yang, Choong Jin; Moon, Jong-Ho; Kim, Beomjong; Lee, Jeongwoo; Lee, Uendo; Lee, Seehoon; Kim, Jae-Ho; Eom, Wonhyun; Lee, Sang Bong; Kang, Myongjin; Lee, Yunje

doi:10.1016/j.biortech.2012.09.126

Cited by 60 publications

(20 citation statements)

References 15 publications

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“…In this study, the produced wood gases were forced through a cyclone and collected in a gas bag behind a gas flow meter with which the produced gas volumes were recorded. The major gases, including H 2 , CO, CH 4 and CO 2 were analyzed on a gas chromatograph (J-Sciencelab GC-7000T) equipped with a packed column (2 m×3.2 mm activated carbon) and a Thermal Conductivity Detector (TCD) using argon as the carrier gas. The column oven temperature was 70°C and the TCD current was 90 mA.…”

Section: Carbonizationmentioning

confidence: 99%

“…The column oven temperature was 70°C and the TCD current was 90 mA. The higher heating values (HHV) of the wood gases were calculated using the HHV of each gas (H 2 : 12.75 MJ/Nm 3 ; CO: 12.63 MJ/Nm 3 ; CH 4 : 39.72 MJ/Nm 3 ). Proximate analyses of the raw kenaf sample and kenaf chars were performed according to JIS M8812.…”

Section: Carbonizationmentioning

confidence: 99%

“…Such fuels derived from biomass are environmentally favorable because they are considered to be carbon neutral [2,3]. Syngas which has direct application in hydro-treating operations, ammonia production, and the synthesis of methanol, dimethyl ether, and superclean liquid fuels (such as Fischer-Tropsch oil) can also be produced from gasification products [3,4]. Furthermore, there is growing demand for hydrogen due to its increasing use as a fuel.…”

Section: Introductionmentioning

confidence: 99%

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Kenaf as a Bioresource for Production of Hydrogen-rich Gas

Kojima

Kato²,

Yoon³

et al. 2014

Agrotechnol

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The two-step gasification of biomass via carbonization-step followed by steam gasification, which produces hydrogen-rich water gas without any byproducts, was achieved using a small laboratory system. Carbonization of kenaf from 600 to 1000°C produced suitable chars for further steam gasification, which generated clean hydrogenrich gases without any byproducts. On the other hand, carbonization of kenaf at 400°C yielded an insufficient char that still contained raw chemical components, and generated hydrocarbons and tar-like materials during gasification. Importantly, the wood gas generated during carbonization had a sufficient Higher Heating Value (HHV) to serve as the heating source for the gasification. A lower gasification temperature induced the water-gas shift reaction, which led to a change the hydrogen content in the water gas composition. Raising the gasification temperature increased the specific HHV and decreased the gas yield. In addition, at these gasification temperatures, the H 2 concentration in the water gases was greater than 58%, and the H 2 /CO ratio ranged from 1.8 to 3.0. On the other hand, increasing the steam supply rate decreased the specific HHV and CO yield and increased the H 2 and CO 2 yields. Therefore, the water-gas shift reaction played an important role under these conditions. On the basis of all of the above results, it was concluded that the water-gas reaction, C + H 2 O → CO + H 2 , leads to effective gasification of the kenaf char.

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Section: Carbonizationmentioning

confidence: 99%

Section: Carbonizationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Kenaf as a Bioresource for Production of Hydrogen-rich Gas

Kojima

Kato²,

Yoon³

et al. 2014

Agrotechnol

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“…They also are insensitive to input feedstock and consequently are suitable for gasification of wide range of biomass feedstocks [9][10][11]. There are several studies that consider production of synthetic diesel from biomass resources [12][13][14][15][16][17][18][19], and recent advances in catalytic application of layered double hydroxides [19] is just one of many innovations that have been brought forth recently. This study focuses on conversion of biomass molecules using layered double hydroxides as a catalyst.…”

Section: Introductionmentioning

confidence: 99%

Synthetic Diesel Production as a Form of Renewable Energy Storage

2018

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Production of synthetic hydrocarbon fuels as a means for renewable energy storage has gained attention recently. Integration of solid oxide co-electrolysis of steam and carbon dioxide with the Fischer-Tropsch process to transform renewable electricity into Fischer-Tropsch diesel is one of the promising suggested pathways. However, considering the intermittency of produced renewable electricity such integration will have a low capacity factor. Besides, locating a reliable source of carbon dioxide near the installed integrated system may prove to be difficult. A novel integration for production of Fischer-Tropsch diesel from various renewable sources is suggested in this study. The proposed integrated system includes solid oxide electrolysis, entrained gasification, Fischer-Tropsch process and an upgrading system. Gasification is assumed to have a continuous operation which increases capacity factor of the integrated system. Carbon dioxide supplied via gasification of biomass provides a reliable source for on-site co-electrolysis. Technical capabilities of the proposed integrated system examined by investigating performance in relation with electricity, and diesel demand of four different European cities. Results show that the proposed system is capable of supplying Fischer-Tropsch diesel of between 0.9-32% of the annual diesel demand for road transportation respective to the location of installation, with a high emission savings (around 100%). Cost of produced diesel is not competitive with conventional diesel for all cases, even when all the other by-products were assumed to be sold to the market.

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“…In the first decade of the current century, the formation of new fields in catalyst science, named nanocatalysis, has attracted everyone's attention. In general having a large surface to volume ratio of nanoparticles compared to bulk materials, makes them excellent potential catalysts (Aravind and Jong, 2012;Malik and Sangwan, 2012;Kim et al, 2013).The effect of changes in acidic properties, type of metal content and porosity of catalysts are widely known in biomass conversion. However to improve the products' quality, new types of catalysts have been developed.…”

Section: Introductionmentioning

confidence: 99%

A review on conversion of biomass to biofuel by nanocatalysts

Akia¹,

Yazdani²,

Motaee³

et al. 2014

Biofuel Res. J.

228

101

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HIGHLIGHTSSignificant improvements in biomass conversion using nanocatalysts. Feasibility of utilization milder operating conditions by using nanocatalysts compared to the bulk catalysts. The role of nanocatalysts to overcome some challenges in biomass conversion, improving the products quality. GRAPHICAL ABSTRACTProducts from nanocatalytic conversion of biomass The world's increasing demand for energy has led to an increase in fossil fuel consumption. However this source of energy is limited and is accompanied with pollution problems. The availability and wide diversity of biomass resources have made them an attractive and promising source of energy. The conversion of biomass to biofuel has resulted in the production of liquid and gaseous fuels that can be used for different means methods such as thermochemical and biological processes. Thermochemical processes as a major conversion route which include gasification and direct liquefaction are applied to convert biomass to more useful biofuel. Catalytic processes are increasingly applied in biofuel development. Nanocatalysts play an important role in improving product quality and achieving optimal operating conditions. Nanocatalysts with a high specific surface area and high catalytic activity may solve the most common problems of heterogeneous catalysts such as mass transfer resistance, time consumption, fast deactivation and inefficiency. In this regard attempts to develop new types of nanocatalysts have been increased. Among the different biofuels produced from biomass, biodiesel has attained a great deal of attention. Nanocatalytic conversion of biomass to biodiesel has been reported using different edible and nonedible feedstock. In most research studies, the application of nanocatalysts improves yield efficiency at relatively milder operating conditions compared to the bulk catalysts. ARTICLE INFO ABSTRACT

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Long-term operation of biomass-to-liquid systems coupled to gasification and Fischer–Tropsch processes for biofuel production

Cited by 60 publications

References 15 publications

Kenaf as a Bioresource for Production of Hydrogen-rich Gas

Kenaf as a Bioresource for Production of Hydrogen-rich Gas

Synthetic Diesel Production as a Form of Renewable Energy Storage

A review on conversion of biomass to biofuel by nanocatalysts

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