Controlled Pyrolysis: A Robust Scalable Composite Recycling Technology

Coughlin, Daniel R.; Ludwig, Charles; Ozcan, Soydan; Hartman, Dave; Ginder, Ryan S.

doi:10.2172/1762486

Cited by 2 publications

(5 citation statements)

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“…Previously, ~1000 lbs. of pre-shredded glass fiber composite scrap was pyrolyzed on site at CHZ/KUG in a pilot scale process in Forst, Germany using time-temperature information learned earlier from IACMI Project 6.4 [1]. The materials had been processed via controlled pyrolysis, capturing the synthesis gas samples and the char containing the fibers.…”

Section: Resultsmentioning

confidence: 99%

“…Of course, the higher capacity asset will also require higher sales volumes (but not as high price as would be necessary for the lower capacity higher CI investment). Note, different investment/capacity (i.e., CI) levels were considered in Phase I [1] of this project. Table 6 shows the CAPEX and CI at various RM capacities, assuming a scrap glass content of 50% (from Table 4B EOL/Scrap Shell).…”

Section: Resultsmentioning

confidence: 99%

“…The goal of this IACMI Phase II Technical Collaboration Project was to establish the viability of producing affordable, recycled composite parts, which were produced from fibers with the properties in the range of those reclaimed through the controlled pyrolysis technology demonstrated in Phase I [1]. For the purpose of this report, we use the terms "recovered carbon fiber" (rCF) and "recovered glass fiber" (rGF) as the material reclaimed from controlled pyrolysis.…”

Section: Executive Summarymentioning

confidence: 99%

“…The Phase II program developed a more optimal processing profile than the profile achieved in the Phase I study with CHZ [1], with a better balance of processing efficiency, gas production and fiber recovery.…”

Section: Benefits Assessmentmentioning

confidence: 99%

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Process and Applications Development for Recycled Mixed-Stream Composites

Coughlin

Ginder

Gruskiewicz

et al. 2022

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Section: Resultsmentioning

confidence: 99%

Section: Resultsmentioning

confidence: 99%

Section: Executive Summarymentioning

confidence: 99%

Section: Benefits Assessmentmentioning

confidence: 99%

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Process and Applications Development for Recycled Mixed-Stream Composites

Coughlin

Ginder

Gruskiewicz

et al. 2022

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“…Carbon Rivers' (based in Knoxville, TN) G2G technology is a well-known example of this approach who is capable of recovering chopped glass fiber and already has industrially available products for new applications. Another example currently being installed in the U.S. is thermolysis [52]. Both technologies are similar and have been demonstrated for use for recovery of materials from wind turbine blades at pilot scale.…”

Section: Pyrolysismentioning

confidence: 99%

Development of wind turbine blade recycling baselines in the United States

Korey,

Sproul,

Rencheck

et al. 2023

IOP Conf. Ser.: Mater. Sci. Eng.

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Over the past several years, the wind energy industry has received scrutiny regarding wind turbine blade (WTB) recycling due to the landfilling of WTBs caused by a lack of industrially viable recycling solutions. The amount of WTBs that will need to be recycled is set to increase in the United States as the deployment of wind energy is expected to rapidly grow to meet the nation’s energy goals by 2035. While significant progress has been made worldwide, it is still unclear which WTB recycling solutions would be the most cost and energy effective within the United States for the existing fleet of wind turbines. To guide researchers and industry with a clear path forward, a range of options for WTB recycling in the United States are modeled through development of baseline scenarios and the use of formal life cycle assessment (LCA). Model data have been collected through literature review, industry engagement, and expert opinion regarding current end of life practices and considerations surrounding equipment, labor, and logistics. A detailed baseline for WTB decommissioning processes has been developed and used to assess alternative approaches, such as on-site shredding to compare the impacts on greenhouse gas (GHG) emissions. The developed LCA model and baseline scenarios for WTB recycling is used to assess the current WTB decommissioning practices in the United States along with emerging recycling pathways, including cement kiln co-processing and pyrolysis. Initial findings indicate that there are different approaches to decommissioning WTBs in the United States, each of which has unique implications for recycling. In light of this finding, additional results from the modeling will be used to better understand decommissioning practices and assist in making educated decisions on recycling pathways for the future. Throughout the analysis, focus was given to where international efforts might differ from the United States. WTB recycling is occurring worldwide, and different countries have different drivers for creating markets for recycled WTB materials. The contrasts and similarities between the United States and other countries offer insight to areas of opportunity that the United States could investigate and areas that can be readily transferred from existing solutions. By modeling and characterizing the current decommissioning practices and potential recycling solutions for the United States, a clearer vision will be created for pathways forward as to how to handle end of life WTBs to enable more efficient and cost-effective opportunities for material recovery from end-of-life WTBs.

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Controlled Pyrolysis: A Robust Scalable Composite Recycling Technology

Cited by 2 publications

References 0 publications

Process and Applications Development for Recycled Mixed-Stream Composites

Process and Applications Development for Recycled Mixed-Stream Composites

Development of wind turbine blade recycling baselines in the United States

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