Characterization of bio-oil and bio-char obtained from sweet sorghum bagasse fast pyrolysis with fractional condensers

Yin, Ran; Liu, Ronghou; Mei, Yuanfei; Fei, Wenting; XingQuan, Sun

doi:10.1016/j.fuel.2013.04.090

Cited by 169 publications

(68 citation statements)

References 24 publications

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“…Compared to fossil fuels, biomass is abundant, easy to be stored, and carbon neural fuel . Biomass even acts as an atmospheric CO 2 sink if it is associated with the carbon capture and storage (CCS) technology Huang et al, 2013;Yin et al, 2013). A variety of thermochemical and biochemical methods have been developed for bioenergy.…”

Section: Introductionmentioning

confidence: 99%

“…Biochar has been employed as a feedstock to produce activated carbon, as a fertilizer for soil amendment and carbon sequestration and as a reducing agent for ironmaking (Lee et al, 2010;Srivastava et al, 2013;Yin et al, 2013;Parparita et al, 2014). Bio-oils potentially present valuable liquid fuels, because they are a mixture of about 200 types of major and minor organic compounds; they can be used as the source of some pure chemicals.…”

Section: Introductionmentioning

confidence: 99%

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Sugarcane Bagasse Pyrolysis in a Carbon Dioxide Atmosphere with Conventional and Microwave-Assisted Heating

Lin

Chen

2015

Front. Energy Res.

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Pyrolysis is an important thermochemical method to convert biomass into bio-oil. In this study, the pyrolysis of sugarcane bagasse in a CO 2 atmosphere under conventional and microwave-assisted heating is investigated to achieve CO 2 utilization. In the microwave pyrolysis, charcoal is used as the microwave absorber to aid in pyrolysis reactions. The results indicate that the yields of pyrolysis products are greatly influenced by the heating modes. In the conventional heating, the prime product is bio-oil and its yield is in the range of 51-54 wt%, whereas biochar is the major product in microwave-assisted heating and its yield ranges from 61 to 84 wt%. Two different absorber blending ratios of 0.1 and 0.3 are considered in the microwave pyrolysis. The solid yield decreases when the absorber blending ratio decreases from 0.3 to 0.1, while the gas and liquid yields increase. This is attributed to more energy consumed for bagasse pyrolysis at the lower blending ratio. Hydrogen is produced under the microwave pyrolysis and its concentration is between 2 and 12 vol%. This arises from the fact that the secondary cracking of vapors and the secondary decomposition of biochar in an environment with microwave irradiation is easier than those with conventional heating.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Sugarcane Bagasse Pyrolysis in a Carbon Dioxide Atmosphere with Conventional and Microwave-Assisted Heating

Lin

Chen

2015

Front. Energy Res.

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“…HHV of the BO obtained from SSS liquefaction at 300°C for 30 min is ca. 25.1 kJ g −1 , which is higher than that from SSS pyrolysis (22.8 kJ g − 1 ) [42], resulting from that the BO from liquefaction has higher carbon content and lower oxygen content than that from pyrolysis. Low SSS-to-methanol ratio is helpful for enhancing calorific value of the BO.…”

Section: Ultimate Analysis and Hhvs Of The Bosmentioning

confidence: 78%

Sweet sorghum stalk liquefaction in supercritical methanol: Effects of operating conditions on product yields and molecular composition of soluble fraction

Yan

Zong

et al. 2017

Fuel Processing Technology

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“…The non-condensable gas consists of CO, CH4, CO2, C2H2, C2H6, C3H6, and N2 and if these gases can be reused properly, they can be used as fuel gas [19]. In this study, the non-condensable gas has been used for the MGW pyrolysis process heat and the aqueous phase of condensate has been used for pyrolysis process simulation.…”

Section: Findings From the Experimentsmentioning

confidence: 99%

Pyrolysis of Municipal Green Waste: A Modelling, Simulation and Experimental Analysis

2015

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Abstract:Pyrolysis is the thermo-chemical conversion of carbonaceous feedstock in the absence of oxygen to produce bio-fuel (bio-oil, bio-char and syn-gas). Bio-fuel production from municipal green waste (MGW) through the pyrolysis process has attracted considerable attention recently in the renewable energy sector because it can reduce greenhouse gas emissions and contribute to energy security. This study analyses properties of MGW feedstock available in Rockhampton city of Central Queensland, Australia, and presents an experimental investigation of producing bio-fuel from that MGW through the pyrolysis process using a short sealed rotary furnace. It was found from the experiment that about 19.97% bio-oil, 40.83% bio-char and 29.77% syn-gas can be produced from the MGW. Then, a four-stage steady state simulation model is developed for pyrolysis process performance simulation using Aspen Plus software. In the first stage, the moisture content of the MGW feed is reduced. In the second stage, the MGW is decomposed according to its elemental constituents. In the third stage, condensate material is separated and, finally, the pyrolysis reactions are modelled using the Gibbs free energy minimisation approach. The MGW's ultimate and proximate analysis data were used in the Aspen Plus simulation as input parameters. The model is validated with experimentally measured data. A good OPEN ACCESSEnergies 2015, 8 7523 agreement between simulation and experimental results was found. More specifically, the variation of modelling and experimental elemental compositions of the MGW was found to be 7.3% for carbon, 15.82% for hydrogen, 7.04% for nitrogen and 5.56% for sulphur. The validated model is used to optimise the biofuel production from the MGW as a function of operating variables such as temperature, moisture content, particle size and process heat air-fuel ratio. The modelling and optimisation results are presented, analysed and discussed.

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Characterization of bio-oil and bio-char obtained from sweet sorghum bagasse fast pyrolysis with fractional condensers

Cited by 169 publications

References 24 publications

Sugarcane Bagasse Pyrolysis in a Carbon Dioxide Atmosphere with Conventional and Microwave-Assisted Heating

Sugarcane Bagasse Pyrolysis in a Carbon Dioxide Atmosphere with Conventional and Microwave-Assisted Heating

Sweet sorghum stalk liquefaction in supercritical methanol: Effects of operating conditions on product yields and molecular composition of soluble fraction

Pyrolysis of Municipal Green Waste: A Modelling, Simulation and Experimental Analysis

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