High external surface Pt/zeolite catalysts for improving polystyrene hydrocracking

Fuentes-Ordóñez, E.G.; Salbidegoitia, Joseba A.; Ayastuy, J.L.; Gutiérrez-Ortiz, M.A.; González-Marcos, M.P.; González‐Velasco, Juan R.

doi:10.1016/j.cattod.2013.09.004

Cited by 31 publications

(15 citation statements)

References 41 publications

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“…Lastly, doped zeolites have been explored to enhance the acidity of the material. 454,[461][462][463][464][465][466][467][468][469][470] Doped zeolites were found to yield high selectivity towards olefinic products and were active for the removal of heteroatoms such as Br. One great challenge of the catalytic pyrolysis of plastic waste with zeolites is catalyst deactivation due to secondary coking reactions and limited diffusion of polymeric molecules into the microporous network.…”

Section: Catalystsmentioning

confidence: 99%

Expanding Plastics Recycling Technologies: Chemical Aspects, Technology Status and Challenges

Aguirre-Villegas

Allen

et al. 2022

Preprint

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Less than 10% of the plastics generated globally are recycled, while the rest are incinerated, accumulated in landfills, or leach into the environment. New technologies are emerging to chemically recycle waste plastics that are receiving tremendous interest from academia and industry. Chemists and chemical engineers need to understand the fundamentals of these technologies to design improved systems for chemical recycling and upcycling of waste plastics. In this paper, we review the entire life cycle of plastics and options for the management of plastic waste to address barriers to industrial chemical recycling and further provide perceptions on possible opportunities with such materials. Knowledge and insights to enhance plastic recycling beyond its current scale are provided. Outstanding research problems and where researchers in the field should focus their efforts in the future are also discussed.

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Section: Catalystsmentioning

confidence: 99%

Expanding Plastics Recycling Technologies: Chemical Aspects, Technology Status and Challenges

Aguirre-Villegas

Allen

et al. 2022

Preprint

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“…Plastic waste degradation by means of chemical procedures is an interesting way to reduce the disposal of these residues while obtaining valuable products: monomers [1][2][3], chemical feedstocks [4][5][6][7][8] or fuels [9][10][11][12]. Recently, a two-step process comprising thermal cracking of the polymer followed by catalytic hydroreforming of the obtained oils has been devised for the production of transportation fuels [13].…”

Section: Introductionmentioning

confidence: 99%

Hydroreforming of the oils from LDPE thermal cracking over Ni–Ru and Ru supported over hierarchical Beta zeolite

Serrano

Escola

Briones

et al. 2015

Fuel

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“…Fuentes et al [55] conduct an experiment of hydrocraking the PS material with various catalyst like pt/HZSM-5, Pt/h-HZSM -5 , Pt/ferrierite in tubular reactor at temperature 450 o C in H2 gas flow with duration of 120 Minutes. As result indicated that Pt/ Ferrierite has produced higher yield of naphthalene.…”

Section: Catalytic Hydrocrackingmentioning

confidence: 99%

Plastic fuel Extraction from Various Waste Plastics

Pradeep¹,

Gowthaman²

2019

IJEAT

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The rapid growth of the world population which leads to increase demand of plastic in many sectors such as construction, medical, engineering applications, automotive, aerospace and many food industries for packing purpose. These rapid populations of plastic create some serious issues to the environment and living beings. The plastics are non- degradable and emit poisonous gases during burning. In recent years, many researches being conducted to resolve the disposal issues of waste plastics and trying to convert it into useful products. The plastic is a material consists of any wide range of synthetic or semi-synthetic organic compounds, which are long molecules built around chains of carbon and hydrogen atoms. The conversion of waste plastics to hydrocarbon (HC) fuel is an effective idea for disposing of waste plastics. It will be controlled plastic population and fulfill the needs of petroleum fuel in the future. As per the survey, the fossil fuels run out earlier in 2088 due to drastic growth of automobiles and high production cost. The waste plastic contains hydrocarbon with calorific value of 41- 47MJ and it is almost equal to the calorific value of fossil fuels. There are many methods being used to extract liquid HC fuel from waste plastics and it has been reviewed elaborately in this paper. It also reviews composition of various plastics like polyethylene terephthalate, high density polyethylene, low density polyethylene, polyvinyl chloride and polypropylene polystyrene and analyse their properties. In addition, it includes the selection of plastic and catalyst for extraction process, research gap in the existing extraction methods and the effect temperature and process timing on oil yield.

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High external surface Pt/zeolite catalysts for improving polystyrene hydrocracking

Cited by 31 publications

References 41 publications

Expanding Plastics Recycling Technologies: Chemical Aspects, Technology Status and Challenges

Expanding Plastics Recycling Technologies: Chemical Aspects, Technology Status and Challenges

Hydroreforming of the oils from LDPE thermal cracking over Ni–Ru and Ru supported over hierarchical Beta zeolite

Plastic fuel Extraction from Various Waste Plastics

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