[HTML][HTML] Aromatic fuel oils produced from the pyrolysis-catalysis of polyethylene plastic with metal-impregnated zeolite catalysts

K Akubo, MA Nahil, PT Williams - Journal of the energy institute, 2019 - Elsevier
Pyrolysis-catalysis of high density polyethylene (HPDE) was carried out in a fixed bed, two
stage reactor for the production of upgraded aromatic pyrolysis oils. The catalysts …

Circular polyolefins: Advances toward a sustainable future

D Hassanian-Moghaddam, N Asghari… - Macromolecules, 2023 - ACS Publications
Plastics offer several advantages, but their production and disposal processes have severe
environmental implications. To overcome these issues, there is a need to switch from the …

[HTML][HTML] Performance of different catalysts for the in situ cracking of the oil-waxes obtained by the pyrolysis of polyethylene film waste

L Quesada, M Calero de Hoces, MA Martín-Lara… - Sustainability, 2020 - mdpi.com
Currently, society is facing a great environmental problem, due to the large amount of plastic
waste generated, most of which is not subjected to any type of treatment. In this work …

Production of fuel oil from decomposition of polypropylene over Cu-Co-modified molecular sieve-based catalyst

J Nisar, MA Khan, A Shah, ZH Farooqi, A Sharif… - … Research and Design, 2022 - Elsevier
This work describes the use of copper-cobalt doped molecular sieve (Cu-Co/MS) for
decomposition of polypropylene via thermogravimetry and an indigenously made pyrolysis …

Processes and systems for making recycle content hydrocarbons

D Bitting, KR Parker, MG Polasek… - US Patent …, 2024 - Google Patents
Processes and systems for making recycle content hydrocarbons, including olefins, from
recycled waste material. Recycle waste material may be pyrolyzed to form recycle content …

Adaptable universal method for producing synthetic products

R Unger, A Unger - US Patent 9,631,153, 2017 - Google Patents
The invention relates to a method for the chemical conver sion of mixtures of materials
produced from Solid and liquid hydrocarbons into gas/vapor mixtures and carbonaceous …

Circular economy for plastic waste to polyethylene via refinery FCC and alkylation units

HK Timken - US Patent 11,518,944, 2022 - Google Patents
Provided in one embodiment is a continuous process for converting waste plastic into
recycle for polyethylene polymerization. The process comprises selecting waste plas tics …

Co-processing for control of hydropyrolysis processes and products thereof

MB Linck, TL Marker, MJ Roberts, LG Felix - US Patent 10,392,566, 2019 - Google Patents
Hydropyrolysis processes are described, in which differing types of feedstocks, including at
least one biorenewable feedstock, namely a biomass-containing feedstock, may be co …

Processes and systems for making recycle content hydrocarbons

X Wu, D Bitting, KR Parker, MG Polasek… - US Patent …, 2022 - Google Patents
Processes and systems for making recycle content hydrocarbons, including olefins, are
provided that integrate a cracker unit with one or more other processing units. For example …

Reactor for continuously treating polymeric material

A Gil, D DiMondo, R Rybicki - US Patent 10,472,487, 2019 - Google Patents
A system for continuously treating recycled polymeric material includes a hopper configured
to feed the recycled polymeric material into the system. An extruder can turn the recycled …