Process development status of fast pyrolysis technologies for the manufacture of renewable transport fuels from biomass

Perkins, Greg; Bhaskar, Thallada; Konarova, Muxina

doi:10.1016/j.rser.2018.03.048

Cited by 232 publications

(89 citation statements)

References 141 publications

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“…The temperature programmed desorption (TPD) and oxidation (TPO) of the used catalyst were performed with a TGA Q5000TA thermobalance (Thermo Scientific) following the procedure: (1) scan of the sample with N 2 stream to remove impurities; (2) combustion with air at 550°C with a temperature ramp of 5°C min À 1 followed by isothermal conditions for 90 min (to ensure complete combustion of coke); (3) the sample is cooled with a ramp of 15°C min À 1 to 250°C.…”

Section: Used Catalyst Characterizationmentioning

confidence: 99%

“…The forecasted decrease of availability of crude oils justifies the increase of industrial implementations for less conventional fossil resources such as carbon or natural gas . Aiming the circular economy and the cut of greenhouse gases, new processes are being developed for incorporating renewable (solar or biomass) and waste feeds as sources of fuels and chemicals . In this scenario, the production of hydrocarbons, particularly the most demanded light olefins, from alternative sources out of crude oils is attracting a great attention from industry and academia …”

Section: Introductionmentioning

confidence: 99%

“…[1] Aiming the circular economy and the cut of greenhouse gases, new processes are being developed for incorporating renewable (solar or biomass) and waste feeds as sources of fuels and chemicals. [2][3][4] In this scenario, the production of hydrocarbons, particularly the most demanded light olefins, from alternative sources out of crude oils is attracting a great attention from industry and academia. [5] There are several routes to produce light olefins in a sustainable manner, the ones represented in Figure 1 are attractive as for its application at industrial scale and to substitute the routes based on crude oil.…”

Section: Introductionmentioning

confidence: 99%

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Kinetic and Deactivation Differences Among Methanol, Dimethyl Ether and Chloromethane as Stock for Hydrocarbons

et al. 2019

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The conversions into hydrocarbons of methanol, dimethyl ether and chloromethane (MTH, DTH and CTH, respectively) on a H‐ZSM‐5 zeolite catalyst were compared trough ab‐initio calculations and experiments, using a fixed‐bed reactor and in‐situ FTIR spectroscopy. The molecular modelling of the reaction was performed using force field calculations. The nature and location of retained species were assessed by a combination of techniques. The experimental results of activity, product distribution and deactivation match these of the molecular modelling as the three reactions proceed through the dual‐cycle mechanism. However, the initiation, evolution and degradation of hydrocarbon pool species are kinetically different depending on the reactant. The reactions are faster in the order DTH>MTH≫CTH whereas the rate at which coke forms and grows (linked with the rate of deactivation) is in the order CTH≫DTH>MTH.

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Section: Used Catalyst Characterizationmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Kinetic and Deactivation Differences Among Methanol, Dimethyl Ether and Chloromethane as Stock for Hydrocarbons

et al. 2019

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“…The centrifugal reactor chamber is a horizontally arranged tube, 174 with rotating arch shaped blades providing mechanical force on the biomass particles pressing 175 them onto the inside of the reactor wall. Previous experience with fast pyrolysis of straw using the 176 centrifugal reactor [1] resulted in uncertainties (2 standard deviations) for the product yields of 177 organic oil, reaction water, char, and gas, of 0.7, 0.7, 3.8, and 1.5 wt-% daf, respectively. Compared 178 to previous work, an electrostatic precipitator (ESP) was added to improve the collection of 179 aerosols, and on-line gas analysis of non-condensable gasses was added.…”

mentioning

confidence: 99%

Impact of ZSM-5 Deactivation on Bio-Oil Quality during Upgrading of Straw Derived Pyrolysis Vapors

Eschenbacher¹,

Jensen²,

Henriksen³

et al. 2018

Energy Fuels

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In this work, we provide detailed information on the change in product distribution and bio-oil 12 quality during extended feeding of biomass derived fast pyrolysis vapors over ZSM-5. The effect 13 of catalyst deactivation by coking on the resulting oil product characteristics was clarified in order 14 to determine when the vapor upgrading should be stopped and the regeneration initiated. Obtaining 15 a stable catalytic fast pyrolysis (CFP) oil while maintaining good energy recovery is important 16 within the context of potential co-processing these oils with petroleum feedstocks via FCC or 17 hydrotreatment of the whole CFP oil. 18 Wheat straw derived fast pyrolysis vapors were upgraded in an ex-situ fixed bed reactor containing 19 a steamed ZSM-5 catalyst at 500 °C. Oils were collected both for runs starting the upgrading over 20

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“…Whereas, several technologies for thermal fast pyrolysis operate at commercial scale, catalytic fast pyrolysis at pilot scale is in an early stage of development. Perkins et al . have recently summarized the current status of existing technologies (at pilot and demonstration scale) for catalytic fast pyrolysis.…”

Section: Production and Characteristics Of Bio‐oilmentioning

confidence: 99%

Recent research progress on bio‐oil conversion into bio‐fuels and raw chemicals: a review

Valle

Remiro

García-Gómez

et al. 2018

J of Chemical Tech & Biotech

143

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Recent advances in lignocellulosic biomass valorization for producing fuels and commodities (olefins and BTX aromatics) are gathered in this paper, with a focus on the conversion of bio-oil (produced by fast pyrolysis of biomass). The main valorization routes are: (i) conditioning of bio-oil (by esterification, aldol condensation, ketonization, in situ cracking, and mild hydrodeoxygenation) for its use as a fuel or stable raw material for further catalytic processing; (ii) production of fuels by deep hydrodeoxygenation; (iii) ex situ catalytic cracking (in line) of the volatiles produced in biomass pyrolysis, aimed at the selective production of olefins and aromatics; (iv) cracking of raw bio-oil in units designed with specific objectives concerning selectivity; and (v) processing in fluidized bed catalytic cracking (FCC) units. This review deals with the technological evolution of these routes, in terms of catalysts, reaction conditions, reactors, and product yields. A study has been carried out on the current state-of-knowledge of the technological capacity, advantages and disadvantages of the different routes, as well as on the prospects for the implementation of each route within the scope of the Sustainable Refinery. /jctb 2 -C 4 olefins 147 a % Relative area: Percentage of total peak area detected by GC/MS semi-quantitative analysis.

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Process development status of fast pyrolysis technologies for the manufacture of renewable transport fuels from biomass

Cited by 232 publications

References 141 publications

Kinetic and Deactivation Differences Among Methanol, Dimethyl Ether and Chloromethane as Stock for Hydrocarbons

Kinetic and Deactivation Differences Among Methanol, Dimethyl Ether and Chloromethane as Stock for Hydrocarbons

Impact of ZSM-5 Deactivation on Bio-Oil Quality during Upgrading of Straw Derived Pyrolysis Vapors

Recent research progress on bio‐oil conversion into bio‐fuels and raw chemicals: a review

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