Comparative Techno-economic Analysis and Life Cycle Assessment of Producing High-Value Chemicals and Fuels from Waste Plastic via Conventional Pyrolysis and Thermal Oxo-degradation

Olafasakin, Olumide; Ma, Jiaze; Zavala, Victor; Brown, Robert C.; Huber, George W.; Mba-Wright, Mark

doi:10.1021/acs.energyfuels.3c02321

Cited by 12 publications

(2 citation statements)

References 25 publications

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“…PE is one of the prime sources of waste plastics, and there are many recycling sources, such as reusable bags, washing bottles, and some computer components (low-density polyethylene (LDPE)), preservative films (linear low-density polyethylene (LLDPE)), rope, woven bag, fishing net, shampoo containers, and pipes (high-density polyethylene (HDPE)). , Different densities of polyethylene exhibit varying degrees of crystallinity and branching. The density of (LDPE) is 0.91–0.94 g/cm 3 , the crystalline component is 50–60%, and the melting point is about 115 °C .…”

Section: Molecular Dynamics Simulation Of Waste Polymer-modified Asphaltmentioning

confidence: 99%

Perspectives on the Application of Waste Materials in Asphalt Based on Molecular Dynamics Simulations: A Review

Yao,

Zeng,

Liu

et al. 2024

Energy Fuels

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During the last few decades, industrial waste has increased at an alarming rate, and the recycling of waste materials has always been an urgent problem to be solved. While the number of vehicles per citizen has dramatically increased, as well as the traffic loading, limiting the deterioration of the pavement networks is an approach, and it can be achieved by the addition of polymers to asphalt binders and mixtures. Waste polymers are used in asphalt due to their low cost and environmental friendliness. Both asphalt and polymeric materials are complex in structure, and it is difficult for researchers to quickly and clearly understand the properties of the materials and how they change. Multiscale research approaches effectively improve the understanding of materials with macroscopic/experimental data and microscopic simulations. The Molecular Dynamics (MD) method is employed to analyze material properties from a nanoscale perspective, and it is one of the most powerful and effective tools to understand fluid and material behaviors at an atomic level. This work aims to review the application of waste materials to asphalt materials based on the MD method. A brief description was demonstrated for the model generation and property analysis of modeling asphalt molecules and waste polymer-modified asphalt, especially electronic waste materials, as well as recycled asphalt pavement (RAP) and thermoplastics. Moreover, the advantages and disadvantages of MD simulation methods were extensively discussed for the application of waste materials in engineering materials. The review may provide a more comprehensive understanding of related projects and guide subsequent research for readers.

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Section: Molecular Dynamics Simulation Of Waste Polymer-modified Asphaltmentioning

confidence: 99%

Perspectives on the Application of Waste Materials in Asphalt Based on Molecular Dynamics Simulations: A Review

Yao,

Zeng,

Liu

et al. 2024

Energy Fuels

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“…Many prior technoeconomic analysis (TEA) and life cycle assessment (LCA) studies − have evaluated the sustainability of pyrolysis technology with major focus on production of pyrolysis oil and gas, but less attention given to TEA and LCA of pyrolysis wax production. , Based on the literature review, , there is a great deal of process variation and innovation in the field of pyrolysis of waste plastics including process conditions, catalytic/noncatalytic process, pyrolysis reactor configurations, and the method of feeding of plastics to the pyrolysis reactor. ,− One specific innovation of interest is liquid-fed pyrolysis, which couples a pretreatment dissolution step with traditional thermal pyrolysis. During the novel liquid fed pyrolysis (LFP) process (U.S.…”

Section: Introductionmentioning

confidence: 99%

Liquid Fed Pyrolysis of Polyethylene Films: Environmental and Economic Assessments of Co-located and Remotely-Located U.S. Facilities

Chaudhari,

Kulas,

Umlor

et al. 2024

ACS Sustainable Resour. Manage.

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Polyethylene (PE) films are one of the highest production volume plastic products, but they have very low recycling rates. A novel liquid fed pyrolysis process (LFP) is an advanced recycling technology that can be applied to waste PE films. In this work, two environmental and six economic metrics were evaluated for the LFP process under different scenarios with a baseline production capacity of 8,400 Metric Tons (MT) of pyrolysis products/year. The studied scenarios considered process improvement such as heat integration, changing the final product yields, and location of the LFP process facility (i.e., co-located at a petrochemical facility or located remotely). Results show that producing refined pyrolysis wax in remote areas is the most environmentally favorable and profitable scenario. The LFP process co-located at a petrochemical facility and selling only liquid and gaseous pyrolysis products to the facility would require a capacity of >18,000 MT/year to be economically feasible. Heat integration led to greenhouse gas emission savings of at least 14%, 19%, and 32% for the pyrolysis oil, gas, and wax products, respectively. The LFP process in remote and less populated locations producing a high yield of refined wax may be a feasible solution for increasing recycling rates of PE films.

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Insights into the development of greener mild zeolite dealumination routes applied to the hydrocracking of waste plastics

Azam,

Afzal,

Fernandes

et al. 2024

Applied Catalysis A: General

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Comparative Techno-economic Analysis and Life Cycle Assessment of Producing High-Value Chemicals and Fuels from Waste Plastic via Conventional Pyrolysis and Thermal Oxo-degradation

Cited by 12 publications

References 25 publications

Perspectives on the Application of Waste Materials in Asphalt Based on Molecular Dynamics Simulations: A Review

Perspectives on the Application of Waste Materials in Asphalt Based on Molecular Dynamics Simulations: A Review

Liquid Fed Pyrolysis of Polyethylene Films: Environmental and Economic Assessments of Co-located and Remotely-Located U.S. Facilities

Insights into the development of greener mild zeolite dealumination routes applied to the hydrocracking of waste plastics

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