Understanding the role of modeling and simulation in pyrolysis of biomass and waste plastics: A review

Potnuri, Ramesh; Suriapparao, Dadi V.; Rao, C. Lakshmana; Tanneru, Hemanth Kumar

doi:10.1016/j.biteb.2022.101221

Cited by 23 publications

(3 citation statements)

References 124 publications

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“…Suriapparao's team has many applications of ML in microwave pyrolysis experiments [23,67,[116][117][118][119]. They used the response surface method (RSM) of Central Composite Design (CCD) to optimize the design of the pyrolysis experiment of municipal solid waste [116].…”

Section: Modeling and Simulation Researchmentioning

confidence: 99%

A Review on the Microwave-Assisted Pyrolysis of Waste Plastics

Yang

Shang

et al. 2023

Processes

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The exhaustion of fossil energy and the severe pollution induced by using plastics has forced people to embark on the road to sustainable development. The high value of the recycling of plastics has become an important part of energy conservation. Microwave treatment, owning specific interactions between the electric field and the molecules of treated materials, presents potential advantages in the application of plastic pyrolysis. Therefore, the research status of the microwave-assisted pyrolysis (MAP) of plastics to produce high-value-added liquid oil, gas, and solid carbon was reviewed in this paper. The effects of plastic properties, microwave treatment parameters, microwave absorbers, co-pyrolysis, catalysts, and reactor devices on the process and the products were analyzed. It is essential to optimize the experimental design by studying microwave-assisted co-pyrolysis technology and the application of catalysts, understanding the mechanism of co-pyrolysis to improve product selectivity. At the same time, the continuous MAP device for large-scale plastics treatment still needs to be developed. In addition, developing a large-scale simulation computing research platform for screening catalysts, optimizing processes, and commercial production is required to make the process more efficient.

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Section: Modeling and Simulation Researchmentioning

confidence: 99%

A Review on the Microwave-Assisted Pyrolysis of Waste Plastics

Yang

Shang

et al. 2023

Processes

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“…However, in their studies, only low to moderate heating rates (10 °C min -1 to 100 °C min -1 ) were utilised to study the pyrolytic behaviour of the face mask. Whereas the pyrolysis reactions, it is usually conducted in 2 modes, slow (<60 °C min -1 ), and fast pyrolysis (>60 to 1200 °C min -1 ) [9].…”

Section: Introductionmentioning

confidence: 99%

Thermogravimetric analysis of face mask waste: Kinetic analysis via iso-conversional methods

et al. 2023

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The surge of face mask waste in response to the global pandemic has proven to be a liability to the environment. Microfibers from plastic constituents of the face mask would cause microplastic pollution in the water bodies. Fortunately, these waste could be converted into renewable source of energy via thermochemical method, i.e. pyrolysis. However, the studies on the thermal decomposition of face masks and their kinetic mechanisms are not well-established. The aim of this paper focuses on the prospects of pyrolysis at low to high heating rates ranging from 10 °C min-1 to 100 °C min-1, to cater for the slow pyrolysis and fast pyrolysis modes. Following this, the thermal degradation behaviour of the face mask waste was studied via thermogravimetric analysis which determined the single peak temperature degradation range at 218 to 424 °C at 10 °C min-1, and maximum degradation rate was determined at 172.51 wt.% min-1 at 520 °C, with heating rate of 100 °C min-1. Flynn-Wall-Ozawa (FWO) and Starink method was employed to determine the average activation energy and average pre-exponential factor of the pyrolysis process of face mask waste. i.e., 41.31 kJ mol-1 and 0.9965, 10.43 kJ mol-1 and 0.9901 for FWO and Starink method, respectively.

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“…From the energetic point of view of thermal conversion processes, it is extremely important to provide information on the temperature distribution, kinetic parameters and chemical composition of the gases released during the above-mentioned processes [98,110]. Although these issues have been extensively studied both theoretically and experimentally using various techniques, they still require more attention and research [111][112][113]. Thermal analysis techniques, such as (TG) [107], (DSC), (DTA), FTIR [114], MS or various combinations thereof, i.e., (TG-FTIR) [115], (TG-MS) or (TG-MS-FTIR), are considered effective techniques for examining the thermal degradation of both fuels and waste.…”

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confidence: 99%

Methods and Validation Techniques of Chemical Kinetics Models in Waste Thermal Conversion Processes

Skrzyniarz,

Sajdak,

Biniek-Poskart

et al. 2024

Energies

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This article discusses the potential of using computer-simulation methods in processes such as thermal waste conversion, i.e., pyrolysis, gasification, combustion and torrefaction. These methods are gaining in importance, among others, due to the difficulties in execution and high costs associated with conducting experimental research in real conditions or the need to obtain detailed data on the phenomenon under study in a relatively short time. Computer simulation also allows for numerous errors to be avoided, such as those that may occur during optimization activities, the effects of which may have serious consequences, both economic and environmental. In addition to their many advantages, the limitations and disadvantages of using computer-simulation methods were also indicated, mainly related to the interpretation and validation of the results obtained using modelling. Owing to the complexity of the phenomena occurring during thermal conversion, special attention was focused on models based on chemical kinetics, thanks to which it is possible to predict the quantitative and qualitative composition of products in these processes. The aim of this research is to identify the research gap in the field of issues related to models of chemical kinetics of thermal waste conversion processes.

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Understanding the role of modeling and simulation in pyrolysis of biomass and waste plastics: A review

Cited by 23 publications

References 124 publications

A Review on the Microwave-Assisted Pyrolysis of Waste Plastics

A Review on the Microwave-Assisted Pyrolysis of Waste Plastics

Thermogravimetric analysis of face mask waste: Kinetic analysis via iso-conversional methods

Methods and Validation Techniques of Chemical Kinetics Models in Waste Thermal Conversion Processes

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