Auger reactors for pyrolysis of biomass and wastes

Campuzano, Felipe; Brown, Robert C.; Martínez, Juan Daniel

doi:10.1016/j.rser.2018.12.014

Cited by 229 publications

(120 citation statements)

References 144 publications

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“…Therefore, the study of this upgrading strategy to a larger scale (Technology Readiness Levels, TRL ≥ (5)) seems necessary as a first step towards the implementation of the catalytic co-pyrolysis processes of lignocellulosic biomass with waste plastics in future bio-refineries. In this sense, the use of auger reactors at TRL-5 have shown to be a robust and flexible option for pyrolysis processes [15,[39][40][41][42]. However, further experimental research is required to verify the proposed approaches in a relevant environment.…”

Section: Of 17mentioning

confidence: 99%

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Ca-based Catalysts for the Production of High-Quality Bio-Oils from the Catalytic Co-Pyrolysis of Grape Seeds and Waste Tyres

et al. 2019

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The catalytic co-pyrolysis of grape seeds and waste tyres for the production of high-quality bio-oils was studied in a pilot-scale Auger reactor using different low-cost Ca-based catalysts. All the products of the process (solid, liquid, and gas) were comprehensively analysed. The results demonstrate that this upgrading strategy is suitable for the production of better-quality bio-oils with major potential for use as drop-in fuels. Although very good results were obtained regardless of the nature of the Ca-based catalyst, the best results were achieved using a high-purity CaO obtained from the calcination of natural limestone at 900 °C. Specifically, by adding 20 wt% waste tyres and using a feedstock to CaO mass ratio of 2:1, a practically deoxygenated bio-oil (0.5 wt% of oxygen content) was obtained with a significant heating value of 41.7 MJ/kg, confirming its potential for use in energy applications. The total basicity of the catalyst and the presence of a pure CaO crystalline phase with marginal impurities seem to be key parameters facilitating the prevalence of aromatisation and hydrodeoxygenation routes over the de-acidification and deoxygenation of the vapours through ketonisation and esterification reactions, leading to a highly aromatic biofuel. In addition, owing to the CO2-capture effect inherent to these catalysts, a more environmentally friendly gas product was produced, comprising H2 and CH4 as the main components.

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Section: Of 17mentioning

confidence: 99%

“…Catalysts 2019, 9, x FOR PEER REVIEW 3 of 17 and flexible option for pyrolysis processes [15,[39][40][41][42]. However, further experimental research is required to verify the proposed approaches in a relevant environment.…”

Section: Characterisation Of Catalystsmentioning

confidence: 99%

Ca-based Catalysts for the Production of High-Quality Bio-Oils from the Catalytic Co-Pyrolysis of Grape Seeds and Waste Tyres

et al. 2019

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“…Nevertheless, they are among the more complex reactors to operate and require large quantities of inert gas to fluidize the bed media. In addition, providing the enthalpy for pyrolysis through heat transfer becomes increasingly difficult as the reactors are scaled up [18]. Another method is the soil mound or ground cover kiln, which is most often used [19].…”

mentioning

confidence: 99%

Improving Quality and Yield Production of Coconut Shell Charcoal Through a Modified Pyrolysis Reactor with Tar Scrubber to Reduce Smoke Pollution

Sari¹,

Gea²,

Wirjosentono³

et al. 2020

Pol. J. Environ. Stud.

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Nowadays, the increasing of waste produced by humans to the atmosphere and the environment has caused great effect on the environment and human health. Industrial activity is the greatest air polluter [1]. The emission of toxic substances into the environment is vastly spreading, especially from the smoke of the charcoal industry. In the charcoal industry, one of the unsolved problems is smoke pollution resulting from burning charcoal. Smoke is one of the causes of air pollution,

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“…To increase the heat transfer rate, the heat transfer area must be set larger or the heat loss should be properly mitigated. Several types of pyrolysis reactors have been designed and patented to promote the heat transfer effectiveness, such as Auger/screw, conical spouted bed reactor, or fluidized bed reactor (Campuzano, Brown, & Martínez, 2019;Makibar et al, 2011). This type of reactor, especially the fluidized bed, is favorable because it provides uniform mass and temperature distribution.…”

Section: Liquid Fuel Productionmentioning

confidence: 99%

Design of a Simple Pyrolysis Reactor for Plastic Waste Conversion into Liquid Fuel using Biomass as Heating Source

Kurniawan

Sugiarto

Perdana

2020

Eksergi

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A design that emphasizes simplicity and cost-effectiveness is applied to the plastic pyrolysis reaction system to produce liquid fuel. The reactor is fabricated from the waste refrigerant tank. The energy source for pyrolysis is generated by the combustion of biomass pellets. Forced convection by an electric blower is utilized to enhance the combustion efficiency and thus increase the heating rate with the overall average temperature at 412 °C. The coiled pipe is employed as a condenser system with water as its cooling media. The quantity of liquid product is measured for a different mass of PET-type plastic waste feed, with a maximum value of 17.7% w/w of feed mass is obtained. The physical characteristic of the liquid product is then analyzed using standard methods. It is found that its characteristics have approached the specification of commercial liquid fuel in the domestic market, with a liquid specific gravity of 0.776 and a heating value of 46 MJ/kg.

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Auger reactors for pyrolysis of biomass and wastes

Cited by 229 publications

References 144 publications

Ca-based Catalysts for the Production of High-Quality Bio-Oils from the Catalytic Co-Pyrolysis of Grape Seeds and Waste Tyres

Ca-based Catalysts for the Production of High-Quality Bio-Oils from the Catalytic Co-Pyrolysis of Grape Seeds and Waste Tyres

Improving Quality and Yield Production of Coconut Shell Charcoal Through a Modified Pyrolysis Reactor with Tar Scrubber to Reduce Smoke Pollution

Design of a Simple Pyrolysis Reactor for Plastic Waste Conversion into Liquid Fuel using Biomass as Heating Source

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