Production of bio-oil from fast pyrolysis of biomass using a pilot-scale circulating fluidized bed reactor and its characterization

Park, Jo Yong; Kim, Jae-Kon; Oh, Chang-Ho; Park, Jong‐Wook; Kwon, Eilhann E.

doi:10.1016/j.jenvman.2018.12.104

Cited by 62 publications

(20 citation statements)

References 23 publications

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“…The viscosity at 25 °C, which is considerable lower than the values from Park et al and Pighinelli et al, is in agreement with the work of Abnisa et al [26,27,32]. The presence of water in the biocrude affected its viscosity, which has been shown to decrease with an increase in water content [26,32]. The water content of the biocrude was not determined in this study.…”

Section: Biocrude Properties and Compositionsupporting

confidence: 90%

“…The properties of fast pyrolysis biocrude from CPR at a recycle rate of 2.3 Sm 3 h -1 (ER = 0.08) were determined and are presented in Table 2, in comparison with those obtained from other biomasses described in literature. The viscosity at 25 °C, which is considerable lower than the values from Park et al and Pighinelli et al, is in agreement with the work of Abnisa et al [26,27,32]. The presence of water in the biocrude affected its viscosity, which has been shown to decrease with an increase in water content [26,32].…”

Section: Biocrude Properties and Compositionsupporting

confidence: 89%

“…While high water content improves biocrude flow (reduces its viscosity), which is helpful for pumping and atomization, it causes a reduction in its heating value and flame temperature, and leads to ignition difficulties. The heating value of the CPR biocrude was 12.7 MJ per kg, consistent with the values obtained by Park et al and Weerachanchai, Tangsathitkulchai and Tangsathitkulchai [26,33]. Figure 4 shows the biocrude spectrum from the FTIR analysis.…”

Section: Biocrude Properties and Compositionsupporting

confidence: 87%

“…The observed reduction in the biocrude yield at reduced recycle rate may have been due to secondary cracking of the liquid product, resulting from the introduction of more O 2 . Hence, maximum biocrude production can be attained if gas recycle rates are increased beyond the highest rate used in this study, as had been demonstrated in previous studies [26,27]. Charcoal yield decreased in reductive pyrolysis, which can be attributed to its reaction with CO 2 as evidenced by the increase in CO yield under high CO 2 atmosphere.…”

Section: Mass Yields Of Pyrolysis Productssupporting

confidence: 70%

“…Banana leaves were similarly pyrolyzed in the work by Sellin et al, with air as the fluidization agent [25]. Park et al and Pighinelli et al performed biomass pyrolysis works using a pilot-scale fluidized bed reactors, where the non-condensable gas was recycled [26,27]. This paper presents the results of the study that evaluated the fast oxidative pyrolysis of cassava pulp residue (CPR) in a fluidized bed reactor.…”

Section: Introductionmentioning

confidence: 99%

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Production of Biocrude and Charcoal from Fast Oxidative Pyrolysis of Cassava Pulp Residue Using a Fluidized Bed Reactor

Cabaraban¹,

Divinagracia²

2020

J Eng App Sci Technol

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Cassava pulp (Manihot esculenta Crantz) residue (CPR) is the solid waste generated from the cassava processing industry. In the bench-scale experiments, fast oxidative pyrolysis of CPR was carried out in a fluidized bed reactor, using uncondensed recycled pyrolysis gas as carrier medium to produce charcoal and biocrude. The influence of three gas recycle rates, ranging from 0.60 to 2.3 Sm3 h –1 , on the product yields and characteristics was investigated. Results suggest that an increase in the recycle rate will lead to an increase in biocrude yield and a decrease in the charcoal yield. The product yields of biocrude and charcoal were 15.68 ± 2.08 percent and 24.29 ± 3.31 percent, respectively. The biocrude product was mainly composed of alcohols, phenols, ldehydes, ketones, alkanes, and alkynes. The charcoal obtained has a heating value that is around 85 percent higher than that of the CPR feedstock. It has a high fixed carbon content of around 67 percent, but a low volatile matter content of only around 28 percent. At the pyrolysis temperature of around 500 °C, the uncondensed pyrolysis gas compounds consisted primarily of N2 and C2 H6, with small amounts of H2, and higher hydrocarbon compounds. Results suggest the potential for generating biofuel products from the fast oxidative pyrolysis of CPR.

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Section: Biocrude Properties and Compositionsupporting

confidence: 90%

Section: Biocrude Properties and Compositionsupporting

confidence: 89%

Section: Biocrude Properties and Compositionsupporting

confidence: 87%

Section: Mass Yields Of Pyrolysis Productssupporting

confidence: 70%

Section: Introductionmentioning

confidence: 99%

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Production of Biocrude and Charcoal from Fast Oxidative Pyrolysis of Cassava Pulp Residue Using a Fluidized Bed Reactor

Cabaraban¹,

Divinagracia²

2020

J Eng App Sci Technol

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Optimizing temperature and introducing new process arrangements for elevating clay's longevity based on the known poisons in the separation process of trace olefins from aromatics

Rouhani

Farhadi

Kenari

et al. 2021

J of Chemical Tech & Biotech

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BACKGROUND The clay treatment widely utilized to reduce unsaturated components in aromatic stream has a detrimental effect on catalyst lifetime. Due to the short lifetime of commercial clay, a huge number of studies have been carried out to address this problem over the last decade. This study aims to optimize the temperature for longer serviceability of clay by removal of unsaturated aliphatic components from aromatic streams through the adsorption and catalytic properties of clay. A novel process arrangement is introduced by scheduling the reuse of deactivated clay that is discarded after deactivation. RESULTS Results showed that the suitable range of temperature for olefin removal is 155–205 °C, and the optimum temperature with the lowest operational cost was 185 °C, which is then gradually elevated to 205 °C. CONCLUSION The new process arrangements utilize these results and elevate clay's lifetime by almost 3.5 times, leading to an economical solution on an industrial scale. © 2021 Society of Chemical Industry (SCI).

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Thermochemical Conversion of Cellulose and Hemicellulose

Nguyen¹,

Trinh²

2022

Biomass Utilization: Conversion Strategies

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Production of bio-oil from fast pyrolysis of biomass using a pilot-scale circulating fluidized bed reactor and its characterization

Cited by 62 publications

References 23 publications

Production of Biocrude and Charcoal from Fast Oxidative Pyrolysis of Cassava Pulp Residue Using a Fluidized Bed Reactor

Production of Biocrude and Charcoal from Fast Oxidative Pyrolysis of Cassava Pulp Residue Using a Fluidized Bed Reactor

Optimizing temperature and introducing new process arrangements for elevating clay's longevity based on the known poisons in the separation process of trace olefins from aromatics

Thermochemical Conversion of Cellulose and Hemicellulose

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