Biomass pyrolysis and combustion integral and differential reaction heats with temperatures using thermogravimetric analysis/differential scanning calorimetry

Shen, Jun; Igathinathane, C.; Yu, Manlu; Pothula, Anand Kumar

doi:10.1016/j.biortech.2015.02.079

Cited by 43 publications

(19 citation statements)

References 22 publications

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“…It leads to the suspicion that their internal structure could be saturated with organic compounds created during the process (e.g., acetic acid and 5-hydroxymethylfurfural), whose decomposition/release may have been visible and overlapped with the peak DTG 1* at temperatures lower than the temperatures for hemicellulose degradation. The second characteristic peak DTG 2 (~360 • C) is associated mostly with the decomposition of the cellulose (350-420 • C) [36]. However, in the case of BSG, the presence of proteins may have affected the intensity of this peak.…”

Section: Analysis Of Tg-dtg Curvesmentioning

confidence: 99%

Pyrolysis Kinetics of Hydrochars Produced from Brewer’s Spent Grains

et al. 2019

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The current market situation shows that large quantities of the brewer’s spent grains (BSG)—the leftovers from the beer productions—are not fully utilized as cattle feed. The untapped BSG is a promising feedstock for cheap and environmentally friendly production of carbonaceous materials in thermochemical processes like hydrothermal carbonization (HTC) or pyrolysis. The use of a singular process results in the production of inappropriate material (HTC) or insufficient economic feasibility (pyrolysis), which hinders their application on a larger scale. The coupling of both processes can create synergies and allow the mentioned obstacles to be overcome. To investigate the possibility of coupling both processes, we analyzed the thermal degradation of raw BSG and BSG-derived hydrochars and assessed the solid material yield from the singular as well as the coupled processes. This publication reports the non-isothermal kinetic parameters of pyrolytic degradation of BSG and derived hydrochars produced in three different conditions (temperature-retention time). It also contains a summary of their pyrolytic char yield at four different temperatures. The obtained KAS (Kissinger–Akahira–Sunose) average activation energy was 285, 147, 170, and 188 kJ mol−1 for BSG, HTC-180-4, HTC-220-2, and HTC-220-4, respectively. The pyrochar yield for all hydrochar cases was significantly higher than for BSG, and it increased with the severity of the HTC’s conditions. The results reveal synergies resulting from coupling both processes, both in the yield and the reduction of the thermal load of the conversion process. According to these promising results, the coupling of both conversion processes can be beneficial. Nevertheless, drying and overall energy efficiency, as well as larger scale assessment, still need to be conducted to fully confirm the concept.

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Section: Analysis Of Tg-dtg Curvesmentioning

confidence: 99%

Pyrolysis Kinetics of Hydrochars Produced from Brewer’s Spent Grains

et al. 2019

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“…Pyrolysis of original and blend samples (~4 mg) was carried out in a programmable TG analyzer (DSC-TGA Q Series instrument and SDT Q600 thermal analyser, manufactured by TA Instrument, New Castle, DE, USA) from room temperature to 800 • C and at two heating rates (10 and 20 • C min −1 ). Isothermal DSC measurements can be successfully applied for information about the heat capacity as a function of temperature during phase transitions, autoxidation, thermal decomposition and adsorption of different kinds of fuels [20]. For DSC (DSC823 manufactured by Mettler Toledo) experiments, the samples were heated from 25 • C to 600 • C at a heating rate of 15 • C min −1 to measure the heat flow during pyrolysis.…”

Section: Thermal Analysis Using Thermogravimetric Analysis (Tga) and mentioning

confidence: 99%

Thermal Analysis of Nigerian Oil Palm Biomass with Sachet-Water Plastic Wastes for Sustainable Production of Biofuel

et al. 2019

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Nigeria, being the world’s largest importer of diesel-powered gen-sets, is expected to invest in bio-fuels in the future. Hence, it is important to examine the thermal properties and synergy of wastes for potential downstream resource utilization. In this study, thermal conversion as a route to reduce the exploding volume of wastes from sachet-water plastic (SWP) and oil palm empty fruit bunch (OPEFB) biomass was studied. Thermogravimetric (TGA) and subsequent differential scanning calorimeter (DSC) was used for the analysis. The effect of heating rate at 20 °C min−1 causes the increase of activation energy of the decomposition in the first-stage across all the blends (0.96 and 16.29 kJ mol−1). A similar phenomenon was seen when the heating rate was increased from 10 to 20 °C min−1 in the second-stage of decomposition. Overall, based on this study on the synergistic effects during the process, it can be deduced that co-pyrolysis can be an effective waste for energy platform.

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“…UtilizingT wasteT ofT biomassT asT theT sourceT ofT liquidT smokeT thoroughT pyrolysisT areT commonlyT used,T thusT byT usingT severalT suchT rawT materialsT likeT coconutT shellsT [2],T palmT stems,T emptyT fruitT bunchesT ofT palmT [3],T palmT shell,T sawT dust,T straw,T wheat,T grassT [4],,T pineT nutT shellsT [5],,T atrophyT seeds,T NigerT seedsT KaranjaT [6],,T pineT woods,T cornT cobT [7],T dateT seeds,T coconutT husks,T plumT seedsT andT wasteT residue.T However,T makingT aT liquidT smoke-basedT solidT wasteT walnutT shellT isT rarelyT doneT whenT solidT wasteT walnutT shellT hasT aT characteristicT organolepticT content,T asT aT potentialT rawT materialT forT theT manufactureT ofT liquidT smoke.T EffortsT toT useT shellT pecansT throughT theT conceptT ofT recycle,T reuseT andT recoveryT willT provideT benefitT forT hazelnutT growersT inT Indonesia.T ThermalT decompositionT thatT occursT inT shellT pecansT produceT liquidT smokeT whichT hasT organolepticT propertiesT asT shellT pecansT haveT aT compositionT similarT toT theT compositionT ofT theT otherT biomass.…”

Section: T 2017)mentioning

confidence: 99%

Effect of Pyrolysis Temperature and Time of Liquid Smoke Product from Candlenut Shell by Pyrolysis Process

2019

IJRTE

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The purpose of this research particularly to acknowledge process conditions that give the best yield of liquid smoke products maximum resulted during pyrolysis process of biomass shell pecans. This Research conducted on a fixed batch reactor made of metal plate with a thickness of 3.0 mm. It carries 200 kegs in capacity. In this phase, the moisture of Candlenut shells might be kept in 10 - 12.5 wt. percentages. Process temperature variation in the temperature of 350 ° C, 450 ° C and 550 ° C. and variations of pyrolysis at 15, 30, 45 until 435 min. Product identification by GCMS at Optimum condition to determine the components of pyrolysis generated. The result of the research is the best process condition of liquid smoke during pyrolysis maximum of Candlenut shell by using pyrolysis method at the time of 210 min and 450 C Temperatures respectively can be obtained maximum product yield of liquid smoke around 2.62056%. Identification of products by using GCMS (GC Mass Spectrometry) at optimum condition at temperatures of 450 ° C. and pyrolysis time is 210 min showed that liquid smoke candle nut shell consist of 7 (Seven) components consist of Cyclopentanone, Cyclopenten1 2-one, 2-cyclopenten-1-one, Acetic acid, Furancarboxildehide 2, 2 and 2 methoxyphenol Methoxy-4- methyl phenol.

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Biomass pyrolysis and combustion integral and differential reaction heats with temperatures using thermogravimetric analysis/differential scanning calorimetry

Cited by 43 publications

References 22 publications

Pyrolysis Kinetics of Hydrochars Produced from Brewer’s Spent Grains

Pyrolysis Kinetics of Hydrochars Produced from Brewer’s Spent Grains

Thermal Analysis of Nigerian Oil Palm Biomass with Sachet-Water Plastic Wastes for Sustainable Production of Biofuel

Effect of Pyrolysis Temperature and Time of Liquid Smoke Product from Candlenut Shell by Pyrolysis Process

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