Comparative Life Cycle Assessment of Pyrolysis – Recycling Germany's Sorted Mixed Plastic Waste

Hermanns, Ronja; Kraft, Axel; Hartmann, Philipp; Meys, Raoul

doi:10.1002/cite.202300041

Cited by 7 publications

(1 citation statement)

References 55 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…In all three scenarios, the environmental impact was found to be less than landfilling. Hermanns et al [54] found that global warming impacts can be reduced by about 60% to 94% compared with incineration through pyrolysis when considering a life-cycle assessment of mixed waste plastics. Moreover, Jeswani et al [55] also conducted life-cycle assessment of mixed plastic wastes and found that pyrolysis has about 50% lower climate change impact and life-cycle energy use than energy recovery from MPW.…”

Section: By-products Of Mwp Pyrolysis Processmentioning

confidence: 99%

Optimisation of Process Parameters to Maximise the Oil Yield from Pyrolysis of Mixed Waste Plastics

Faisal,

Rasul,

Chowdhury

et al. 2024

Sustainability

View full text Add to dashboard Cite

The study sought to optimise process parameters of thermal pyrolysis of mixed waste plastic (MWP) to maximise pyrolytic oil yield. High-density polyethylene (HDPE), polypropylene (PP), and polystyrene (PS) were used as feedstocks for pyrolysis. Response surface methodology (RSM) and Box–Behnken design (BBD) were used to optimise the pyrolysis process. The optimisation was carried out by varying three independent variables, namely, reaction temperature (460–540 °C), residence time (30–150 min), and size of MWP feedstock (5–45 mm), to increase the liquid oil yield. A BBD matrix was used to generate the design of the experiments, and 15 experiments were conducted. The highest liquid oil yield of 75.14 wt% was obtained by optimising the operating parameters, which were a reaction temperature of 535.96 °C, a reaction time of 150 min, and a feedstock particle size of 23.99 mm. A model was developed to determine the relationships among the independent variables, and analysis of variance (ANOVA) was used to investigate their impact on maximising oil yield. ANOVA results showed that the temperature and residence time had the maximum impact on oil yield, followed by feedstock size. Physicochemical analysis of the properties of the plastic pyrolytic oil (PPO) revealed that the crude PPO obtained from the MWP had higher water (0.125 wt%) and sulfur content (5.12 mg/kg) and lower flash point (<20 °C) and cetane index (32), which makes it unsuitable for use as an automobile fuel. However, these issues can be resolved by upgrading the PPO using different posttreatment techniques, such as distillation and hydrotreatment.

show abstract

Section: By-products Of Mwp Pyrolysis Processmentioning

confidence: 99%

Optimisation of Process Parameters to Maximise the Oil Yield from Pyrolysis of Mixed Waste Plastics

Faisal,

Rasul,

Chowdhury

et al. 2024

Sustainability

View full text Add to dashboard Cite

show abstract

Shaping a federal strategy for chemical recycling: Moving toward sensible applications of emerging technologies in US plastic waste management

Erickson

2024

Env Prog and Sustain Energy

View full text Add to dashboard Cite

Plastic waste management requires a diverse portfolio of strategies to avoid the most damaging environmental and social impacts of the plastic lifecycle and meet current national and international policy goals. The limitations of existing mechanical recycling methods for processing plastic waste have motivated the development and commercialization of chemical recycling processes. The novelty and diversity of such pathways beg critical questions of how these emerging technologies will fit within existing policy frameworks and contribute to recycling, plastic pollution, and waste management policy objectives. This work provides technical background into mechanical and chemical recycling methods, and policy background into differing modern approaches to chemical recycling at various levels of governance. Finally, this work summarizes key conflicts and crafts recommendations for future policy action on chemical recycling in three main areas: (1) defining an objective and identifying sensible applications for chemical recycling technologies, (2) filling gaps in existing knowledge and upholding environmental justice protections, and (3) implementing a suite of policies to complement chemical recycling's role in plastic waste management strategy.

show abstract

Unveiling the data: An analysis of plastic waste with emphasis on the countries of the E³UDRES2 alliance

Soares,

Serralha,

Paz

et al. 2024

Heliyon

View full text Add to dashboard Cite

Comparative Life Cycle Assessment of Pyrolysis – Recycling Germany's Sorted Mixed Plastic Waste

Cited by 7 publications

References 55 publications

Optimisation of Process Parameters to Maximise the Oil Yield from Pyrolysis of Mixed Waste Plastics

Optimisation of Process Parameters to Maximise the Oil Yield from Pyrolysis of Mixed Waste Plastics

Shaping a federal strategy for chemical recycling: Moving toward sensible applications of emerging technologies in US plastic waste management

Unveiling the data: An analysis of plastic waste with emphasis on the countries of the E³UDRES2 alliance

Contact Info

Product

Resources

About