Processing of mixed-plastic waste to fuel oil, carbon nanotubes and hydrogen using multi–core reactor

Bajad, Ganesh S.; Vijayakumar, R.; Rakhunde, Prajwal; Hete, Amit; Bhade, Mahesh

doi:10.1016/j.cep.2017.09.011

Cited by 28 publications

(12 citation statements)

References 39 publications

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“…Higher temperatures (700–800 °C) lead to the formation of CNTs and enhance the quality while lower temperatures lead to formation of amorphous carbons. Temperature also helps in nullifying the effect of different feedstock, providing carbon with more uniform properties . Lower amount of steam may help in the quality of the CNT by acting as a mild oxidizing agent.…”

Section: Discussionmentioning

confidence: 99%

“…High catalyst temperatures favoured the growth of filamentous carbons over amorphous carbons as was observed in the increase of generated filamentous carbon from 258 mg/g plastic (700 °C) to 360 mg/g plastic (900 °C), while a decrease in amorphous carbons from 174 mg/g plastic (700 °C) to 120 mg/g plastic (800 °C) to 80 mg/g plastic (900 °C) over the Ni‐Fe/γ‐Al 2 O 3 catalyst. According to Bajad et al ., high pyrolysis temperature leads to higher CNT yield as it enhances the free radical formation and therefore the dissociation of hydrocarbon to saturated hydrocarbons. Maximum CNT yield was obtained at pyrolysis temperature of 700 °C.…”

Section: Carbon Production From Plastic Wastementioning

confidence: 99%

“…In comparison hydrogen is a cleaner and mobile source of energy with high calorific value and lower carbon footprint. Carbon based nanomaterials produced as a by‐product of these reactions due to their mechanical, electrical and thermal stability have potential in environmental and energy applications …”

Section: Introductionmentioning

confidence: 99%

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Production of hydrogen and carbon nanotubes via catalytic thermo‐chemical conversion of plastic waste: review

Sharma¹,

Batra

2019

J of Chemical Tech & Biotech

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BACKGROUND: Plastic waste has been growing at an alarming rate with dissatisfactory recycling rates. It has a potential to be used for the recovery of hydrogen and carbon nanotubes due to its intrinsic properties. RESULTS: Thermo-chemical processes may be used to tap into the recovery of these resources from the wastes. Catalysts can be employed to increase the gaseous yield and to optimize the process parameters. Hydrogen production is greatly influenced by the catalyst properties, temperature, steam and feedstock. Similarly, the carbon deposits formed are influenced by many factors such as type of metal catalyst used and metal-support interaction. This review focuses on studies employing catalytic thermo-chemical processes for extracting hydrogen and carbon nano structures from plastic wastes while evaluating the role of parameters such as temperature, catalyst type, catalyst composition, steam/feed ratio, feed rate, feedstock and their effect on the product yields. CONCLUSION: In view of increasing concerns regarding waste management, climate change and energy security the possibility of employing waste products for producing clean energy in a sustainable manner is appealing and needs additional fundamental research.C 5+ and cracking products. There is a decrease in catalyst deactivation rate due to increased gasification of deposited coke, faster J Chem Technol Biotechnol 2020; 95: [11][12][13][14][15][16][17][18][19]

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Section: Discussionmentioning

confidence: 99%

Section: Carbon Production From Plastic Wastementioning

confidence: 99%

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Production of hydrogen and carbon nanotubes via catalytic thermo‐chemical conversion of plastic waste: review

Sharma¹,

Batra

2019

J of Chemical Tech & Biotech

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“…Fullerenes [ 84 ] and graphene [ 136 , 137 ] were prepared by thermal decomposition for industrial dye removal, and CNTs were prepared by catalyzed pyrolysis for use as lubricants [ 119 ]. Finally, numerous recent examples of CNTs prepared from plastic waste employed CVD with a 2-step reactor [ 101 , 102 , 103 , 104 , 105 , 106 , 107 , 108 , 109 , 110 , 111 , 112 , 113 , 114 , 115 , 116 , 117 ]. In brief, the typical reactor consists of two chambers: in the first chamber, plastic sources are pyrolyzed to produce hydrocarbon gases, which then act as precursors for the catalytic decomposition and deposition that happen in the second chamber.…”

Section: Greener Alternatives To Traditional Graphitization For Cnm P...mentioning

confidence: 99%

Carbon Graphitization: Towards Greener Alternatives to Develop Nanomaterials for Targeted Drug Delivery

Marin

Marchesan

2022

Biomedicines

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Carbon nanomaterials have attracted great interest for their unique physico-chemical properties for various applications, including medicine and, in particular, drug delivery, to solve the most challenging unmet clinical needs. Graphitization is a process that has become very popular for their production or modification. However, traditional conditions are energy-demanding; thus, recent efforts have been devoted to the development of greener routes that require lower temperatures or that use waste or byproducts as a carbon source in order to be more sustainable. In this concise review, we analyze the progress made in the last five years in this area, as well as in their development as drug delivery agents, focusing on active targeting, and conclude with a perspective on the future of the field.

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“…Converting plastic into fuel oil can be done by the cracking process. Cracking is the process of breaking polymer chains into lower molecular weight compounds (Bajad et al, 2017;Rudianto et al, 2020).…”

Section: Introductionmentioning

confidence: 99%

Training for Processing Plastic Waste into Oil Fuel

Mujiarto¹,

Wagiman²,

Ayob³

et al. 2022

IJRCS

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This service aims to provide education to elements of the community in Padamulya Village, Cihaurbeti District, Ciamis Regency. Next, we introduce to the public about plastic waste that can be used as fuel oil. The target of this activity is the community of one Padamulya, Cihaurbeti District, Ciamis Regency. This activity was attended by all regional leaders and the community. The expected result is that plastic waste produced by households can be used as fuel oil and reduce plastic waste in Padamulya village. Furthermore, training activities are carried out regularly so as to make the village healthy and economically independent.

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Processing of mixed-plastic waste to fuel oil, carbon nanotubes and hydrogen using multi–core reactor

Cited by 28 publications

References 39 publications

Production of hydrogen and carbon nanotubes via catalytic thermo‐chemical conversion of plastic waste: review

Production of hydrogen and carbon nanotubes via catalytic thermo‐chemical conversion of plastic waste: review

Carbon Graphitization: Towards Greener Alternatives to Develop Nanomaterials for Targeted Drug Delivery

Training for Processing Plastic Waste into Oil Fuel

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