A Study on Pyrolysis of Plastic Wastes for Product Recovery and Analysis

Mukherjee, Ankita; Ruj, Biswajit; Gupta, Parthapratim; Sadhukhan, Anup Kumar

doi:10.1007/978-981-15-0532-4_32

Cited by 5 publications

(3 citation statements)

References 8 publications

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“…The liquid yield was as high as 70% with a low carbon residue of 1.5% at shorter reaction time (2 h). Similarly, Mukherjee and co-workers 70 performed pyrolysis of LDPE bags at temperature range of 450−600 °C to produce 74%−84% pyrolysis oil with 11%−20% gas and 2%− 15% char. The optimized temperature for the highest liquid yield was 550 °C, whereas more cracking at 600 °C resulted in gaseous product formation.…”

Section: Introductionmentioning

confidence: 99%

Thermochemical Recycling of Waste Plastics by Pyrolysis: A Review

et al. 2021

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The increasing demand for plastics for their widespread applications has ultimately resulted in accumulation of substantial plastic waste, which remains a concern due to limited efforts, inadequacy, and environmental distresses of conventional techniques for waste plastics remediation. The enhanced production of raw materials for polymer syntheses has a dual impact on our ecosystem by causing rapid depletion of nonrenewable petroleum resources and waste generation. To address this situation, researchers have adopted advanced thermochemical recycling processes to produce intermediate products of the petrochemical industries including monomers, fuels, and other value-added products. Such practices can potentially serve the purpose of a circular economy. This review aims to cover the recent highlights in the field of waste plastics pyrolysis including critical observations from the past to provide precise understanding. Consequently, the reactivities and product distributions for plastic feeds, pyrolysis reactors, roles of catalysts, and effects of operating parameters on reactivity and selectivity have been covered. Coprocessing of plastic waste with radioactive materials, biomass, and heavy petroleum residue is also discussed. Furthermore, an overview on kinetics and mechanistic aspects of plastic pyrolysis is presented with a discussion on relevant analytical techniques. The applications of pyrolysis oil as a fuel or fuel additive are comprised in a separate section. Lastly, comparisons of existing chemical recycling technologies, summaries of commercial operations, and future projections are provided.

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Section: Introductionmentioning

confidence: 99%

Thermochemical Recycling of Waste Plastics by Pyrolysis: A Review

et al. 2021

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“…Bu bağlamda plastiklerin geri dönüştürülmesi ya da geri kazanılması, doğal kaynakların korunması ihtiyacını karşılarken, atıkların yol açtıkları çevresel sorunları da ortadan kaldırmaktadır. Plastiklerin cam, metal, kauçuk, ahşap ve inorganik maddelerin yerine veya birlikte kullanılması ve düşük maliyetli, kolay uygulanabilir olması nedeniyle üretimleri ve kullanımları her geçen gün artmaktadır [2][3]. Küresel plastik üretimi 2018 yılı itibari ile 359 milyon tona [2], Türkiye'de ise 2019 yılı verilerine göre 9,46 milyon tona ulaşmış olup, toplam plastik üretiminin yaklaşık 3,8 milyon tonu plastik ambalaj malzemelerine aittir [4].…”

Section: Gi̇ri̇ş (Introduction)unclassified

LDPE ve C/LDPE Ambalaj Atıklarının Pirolizi ve Farklı Parametrelerin Sıvı Ürüne Etkisi

et al. 2022

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“…Thermal catalysis has a drawback as; it produces more carbon range products. But compared to thermal, catalytic degradation decreased reaction temperature and also increase product yield [17], [18].ZSM-5 zeolite catalyst in the plastic waste pyrolysis plays an important on the color of oil, oil yield and also on capability to decompose the polymer[]19].Pyrolysis with the help of catalyst in the range of temperature of 300°C -650°C helps to improve bio-oil hydrocarbon range because of zeolite molecular structure and their strong acid sites [20]. Pyrolysis is convenient technique than gasification and high-pressure liquefaction because economically cheap and the manipulation of parameters during process is easy [21].…”

Section: Introductionmentioning

confidence: 99%

Recycling of Plastic Waste by Using Pyrolysis Reactor: A Case Study of First Marine Protected Area of Pakistan (Astola Island)

Youngish¹,

Rafique²,

Jabeen³

et al. 2021

Preprint

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Astola Island is the first marine protected area of Pakistan acknowledged 2017, June 15. It is a rich biodiversity hotspot, Ramsar site inhabiting endangered species like Green turtle, Hawksbill turtle, and Arabian Humpback whale. A saw-scaled Russell’s viper is endemic to Island. Marine ecology of Astola Island is affected by plastic pollution resulting in coral destruction, ocean acidification, global warming, fishing nets blockage, water pollution, and coastal erosion. Zeolite catalyst synthesized from environmentally friendly way by coal fly ash to degrade collected plastic waste from Island into useful products in pyrolysis reactor. The synthesized catalyst functionalized further with three type of organosilane(1) Octyltriethoxysilane(OS),(2)Phenyltriethoxysilane(PS)(3)Vinyltriethoxysilane(VS).Zeolite functionalize with octyltriethoxy silane (ZO) shows the highest performance in plastic pyrolysis, resulting in lower degradation temperature, low residue and more product formation may be due to having long chain hydrocarbon and acidic sites. Plastic recycling is the promising solution to tackle plastic blooming issue. Which is negatively impacting all the compartments of ecosystem especially marine environment.

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A Study on Pyrolysis of Plastic Wastes for Product Recovery and Analysis

Cited by 5 publications

References 8 publications

Thermochemical Recycling of Waste Plastics by Pyrolysis: A Review

Thermochemical Recycling of Waste Plastics by Pyrolysis: A Review

LDPE ve C/LDPE Ambalaj Atıklarının Pirolizi ve Farklı Parametrelerin Sıvı Ürüne Etkisi

Recycling of Plastic Waste by Using Pyrolysis Reactor: A Case Study of First Marine Protected Area of Pakistan (Astola Island)

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