Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Olefin Metathesis Polymerization: Ring-Opening Metathesis Polymerization (ROMP)01:16

Olefin Metathesis Polymerization: Ring-Opening Metathesis Polymerization (ROMP)

2.8K
Ring-opening metathesis polymerization or ROMP involves strained cycloalkenes as starting materials. The mechanism of ROMP proceeds by reacting cycloalkene with Grubbs catalyst to give metallacyclobutane intermediate which undergoes a ring-opening reaction to form new carbene. The new carbene reacts with another molecule of cycloalkene. Repetition of these steps leads to the formation of an unsaturated open-chain polymer product. All these steps are reversible, however, relieving the ring...
2.8K
Olefin Metathesis Polymerization: Overview01:13

Olefin Metathesis Polymerization: Overview

2.3K
Recently, the development of olefin metathesis polymerization advanced the field of polymer synthesis. Simply put, the reorganization of substituents on their double bonds between two olefins in the presence of a catalyst is known as the olefin metathesis reaction. The use of metathesis reaction for polymer synthesis is called olefin metathesis polymerization.
Ruthenium-based Grubbs catalyst is the most commonly used catalyst for olefin metathesis polymerization. Grubbs catalyst consists...
2.3K
Types of Step-Growth Polymers: Polyesters01:20

Types of Step-Growth Polymers: Polyesters

2.3K
The introduction of polyesters has brought major development to the textile industry. The wrinkle-free behavior of polyester blends has eliminated the need for starching and ironing clothes.
Polyesters are commonly prepared from terephthalic acid and ethylene glycol; the crude product is known as poly(ethylene terephthalate) or PET. However, polyesters are synthesized industrially by transesterification of dimethyl terephthalate with ethylene glycol at 150 °C. The two reactants and the...
2.3K
Free-Radical Chain Reaction and Polymerization of Alkenes02:35

Free-Radical Chain Reaction and Polymerization of Alkenes

8.3K
The conversion of alkenes to macromolecules called polymers is a reaction of high commercial importance. The structure of the polymer is defined by a repeating unit, while the terminal groups are considered insignificant. The average degree of polymerization represents the number of repeating units in the polymer molecule and is denoted by the subscript n.
8.3K

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Photoresponsive microgels and their applications: a review.

RSC advances·2026
Same author

Total synthesis of natural products facilitated by prins reaction: a review.

RSC advances·2026
Same author

First-principles study of ALiZnS<sub>2</sub> (A = Na, Rb) promising quaternary chalcogenides for energy harvesting.

RSC advances·2026
Same author

Multiscale quantum-to-device simulation framework for Ca<sub>3</sub>AsBr<sub>3</sub> perovskite solar cells: engineering efficient electron transport layers.

Scientific reports·2026
Same author

Unveiling the Magnetic Ordering, Structural Phase Transition, Dynamical Stability, and Optoelectronic Properties of Orthorhombic Fluoro-Perovskite NaCoF<sub>3</sub>.

Luminescence : the journal of biological and chemical luminescence·2026
Same author

NHC-catalyzed asymmetric synthesis of natural products and pharmaceutical drugs.

RSC advances·2026

Related Experiment Video

Updated: Oct 1, 2025

Fast Pyrolysis of Biomass Residues in a Twin-screw Mixing Reactor
07:30

Fast Pyrolysis of Biomass Residues in a Twin-screw Mixing Reactor

Published on: September 9, 2016

27.9K

Fe-POM/attapulgite composite materials: Efficient catalysts for plastic pyrolysis.

Saira Attique1, Madeeha Batool1, Oliver Goerke2

  • 1Institute of Chemistry, University of the Punjab, New Campus, Lahore, Pakistan.

Waste Management & Research : the Journal of the International Solid Wastes and Public Cleansing Association, ISWA
|March 4, 2022
PubMed
Summary

Researchers developed iron-substituted tungstophosphate/attapulgite clay (Fe-POM/attapulgite) catalysts for plastic waste recycling. These catalysts efficiently convert low-density polyethylene into liquid fuel, yielding up to 82% oil fraction and reducing pyrolysis temperature.

Keywords:
GC-MSWaste recyclingliquid hydrocarbonpolyethylenepyrolysistungstophosphate

More Related Videos

Application of a Coupling Agent to Improve the Dielectric Properties of Polymer-Based Nanocomposites
06:34

Application of a Coupling Agent to Improve the Dielectric Properties of Polymer-Based Nanocomposites

Published on: September 19, 2020

5.9K
Designed for Molecular Recycling: A Lignin-Derived Semi-aromatic Biobased Polymer
10:22

Designed for Molecular Recycling: A Lignin-Derived Semi-aromatic Biobased Polymer

Published on: November 30, 2020

3.6K

Related Experiment Videos

Last Updated: Oct 1, 2025

Fast Pyrolysis of Biomass Residues in a Twin-screw Mixing Reactor
07:30

Fast Pyrolysis of Biomass Residues in a Twin-screw Mixing Reactor

Published on: September 9, 2016

27.9K
Application of a Coupling Agent to Improve the Dielectric Properties of Polymer-Based Nanocomposites
06:34

Application of a Coupling Agent to Improve the Dielectric Properties of Polymer-Based Nanocomposites

Published on: September 19, 2020

5.9K
Designed for Molecular Recycling: A Lignin-Derived Semi-aromatic Biobased Polymer
10:22

Designed for Molecular Recycling: A Lignin-Derived Semi-aromatic Biobased Polymer

Published on: November 30, 2020

3.6K

Area of Science:

  • Materials Science
  • Catalysis
  • Environmental Science

Background:

  • Plastic waste, particularly low-density polyethylene (LDPE), poses a significant environmental challenge.
  • Current recycling methods often lack efficiency in converting plastic waste into valuable products like liquid fuel.
  • Catalytic cracking offers a potential route for plastic waste valorization.

Purpose of the Study:

  • To investigate the efficacy of attapulgite clay and Fe-POM/attapulgite composite materials as catalysts for LDPE cracking.
  • To evaluate the performance of these catalysts in recycling plastic waste into liquid fuel.
  • To optimize catalyst composition for maximum liquid fuel yield and desired hydrocarbon selectivity.

Main Methods:

  • Synthesis of iron-substituted tungstophosphate/attapulgite (Fe-POM/attapulgite) composite catalysts.
  • Catalytic cracking of low-density polyethylene using the prepared catalysts.
  • Analysis of liquid fuel yield, composition (hydrocarbons), coke formation, and pyrolysis temperature reduction.

Main Results:

  • The 50% Fe-POM/attapulgite composite catalyst achieved a maximum liquid fuel yield of 82% with minimal coke.
  • Non-catalytic pyrolysis yielded only 68% liquid oil fraction with substantial solid residue.
  • Fe-POM/attapulgite catalysts demonstrated high selectivity for lower hydrocarbons (C5-C12), primarily aliphatics, and reduced pyrolysis temperature by 65°C (from 375°C to 310°C).

Conclusions:

  • The synthesized Fe-POM/attapulgite composite catalysts are highly effective for the catalytic cracking of LDPE into valuable liquid fuel.
  • These catalysts offer a promising solution for energy recovery from plastic waste at an industrial scale.
  • The application of these catalysts contributes to effective environmental pollution control by managing plastic waste.