Valorization of Solid Waste Products from a Variety of Sectors in Wastewater Treatment Processes DOI
Doaa A. El-Emam

Springer water, Journal Year: 2024, Volume and Issue: unknown, P. 207 - 257

Published: Jan. 1, 2024

Language: Английский

Properties of Simulated Plastic Waste Mixtures in Upcycling Processes: An Experimental Evaluation DOI Creative Commons

Annika Voelp,

Ali Bumajdad, S.M. Al–Salem

et al.

ACS Omega, Journal Year: 2025, Volume and Issue: 10(4), P. 4084 - 4093

Published: Jan. 21, 2025

Current production of virgin plastics stands at approximately 0.4 billion tonnes annually, with significant applications in packaging, construction, and the automotive industry. Despite utility plastics, their waste management remains a challenge. This study focuses on upcycling plastic (PW) through mechanical recycling, which adds value to discarded aligns sustainable practices. We have investigated thermal properties ternary quaternary blends most common polyolefin polymers, low-density polyethylene polypropylene (PP), simulating typical PW mixtures. The were prepared using twin screw extrusion for melting, mixing, strand extrusion. strands from extruder guided water bath, optionally dried, pelletized, determine processing conditions variations. Aliquots directly taken form specimens melts. Additionally, produced pellets remolten specimens, resulting second heating cycle (HC). Thermal stability, calorimetric properties, surface morphology, characteristics analyzed. Results indicate that exhibit higher stability but lower strength compared blends. addition PP slightly reduced onset temperature melting temperatures show minimal change additional HCs or drying, suggesting maintenance properties. consistent regardless conditions, breakup force tensile modulus HCs. morphological studies revealed increased cavitation two improved smoothness drying. These findings support potential recycling produce marketable grades mixed PW.

Language: Английский

Citations

0
Enhancing plastic pyrolysis for carbon nanotubes synthesis through machine learning integration: A review DOI

K. Loke,

Xuan Han Lim,

M.A. Osman

et al.

Journal of Analytical and Applied Pyrolysis, Journal Year: 2025, Volume and Issue: unknown, P. 106989 - 106989

Published: Jan. 1, 2025

Language: Английский

Citations

0
Significance of pyrolysis in the circular economy: An integrative review of technologies, potential chemicals, and separation techniques DOI Creative Commons
Zahir Barahmand, Liang Wang, Jens Bo Holm‐Nielsen

et al.

Fuel, Journal Year: 2025, Volume and Issue: 398, P. 135539 - 135539

Published: May 3, 2025

Language: Английский

Citations

0
Plastic Waste Upcycling for Generation of Power and Methanol: Process Simulation and Energy–Exergy–Economic (3E) Analysis DOI

Qiming Qian,

Jingzheng Ren, Chang He

et al.

Industrial & Engineering Chemistry Research, Journal Year: 2023, Volume and Issue: 62(43), P. 17857 - 17870

Published: Oct. 16, 2023

To address the global issue of plastic waste, waste to wealth technique is under investigation. Four processes, known as INP-CC (incineration with carbon capture and power generation), GFP-CC (gasification INP-ME methanol cogeneration), GFP-ME which include both traditional innovative methods, have undergone development, simulation, comprehensive comparison through techno-economic analysis. are particularly favored for their energy efficiencies 43.47 34.91%, respectively, in (17.6%) (6.89%). Exergy flow diagrams reveal that incinerator, gasifier, combustion chamber account over 50% exergy loss, highlighting potential intensification. However, from an economic standpoint, without a larger subsidy fee ($84 per ton) or higher selling price ($550 ton), processes not economically attractive due negative net present value 20 years. A sensitivity analysis key parameters demonstrates hydrogen has greatest impact on process performance. It appears more resilient terms performance when subjected same level fluctuations prices, GFP-ME.

Language: Английский

Citations

10
Preparation of a Cu–Ce–O-Modified Activated Carbon Adsorbent to Enhance Hydrogen Sulfide Removal at Low Temperatures DOI

Jun Wan,

Meng Liu,

Wenxi Ding

et al.

Industrial & Engineering Chemistry Research, Journal Year: 2025, Volume and Issue: unknown

Published: Jan. 29, 2025

Language: Английский

Citations

0
Plastic waste as an alternative sustainable fuel in internal combustion (IC) engines – A comprehensive review DOI Creative Commons

Pitchaiah Sudalaimuthu,

Ravishankar Sathyamurthy, Ammar H. Elsheikh

et al.

Results in Engineering, Journal Year: 2025, Volume and Issue: unknown, P. 104644 - 104644

Published: March 1, 2025

Language: Английский

Citations

0
Conversion of PVC Wastes to Fuel-based Chemicals via Thermal Recycling with Zn Mono-, Bi-, and Tri- Metal Oxides DOI Creative Commons
Labeeb Ali, Mohamed Shafi Kuttiyathil,

Hussein A. Mousa

et al.

Journal of Hazardous Materials Advances, Journal Year: 2025, Volume and Issue: unknown, P. 100717 - 100717

Published: April 1, 2025

Language: Английский

Citations

0
Recent progress on recycling and upcycling of PET plastic waste into high-value-added materials for versatile applications DOI
Anas A. Ahmed, Mohammed Alyami, Ali AlArjani

et al.

Journal of environmental chemical engineering, Journal Year: 2025, Volume and Issue: unknown, P. 116678 - 116678

Published: April 1, 2025

Language: Английский

Citations

0
Microwave-Assisted Catalytic Upcycling of Plastic Wastes over Heterojunction-Structured Layered Triple Oxides DOI
Chenyang Liu, Shuang Li,

Zelin Wu

et al.

ACS Applied Materials & Interfaces, Journal Year: 2025, Volume and Issue: unknown

Published: May 3, 2025

Chemical upcycling of plastic wastes into valuable chemical feedstocks and simultaneous mitigation environmental deterioration are fascinating but remain extremely challenging. Herein, we report microwave-assisted valorization carbon nanotubes (CNTs) hydrogen (H2) over heterojunction-structured mixed metal oxides. Specifically, the CoNiFe-based layered triple oxides (LTO) arrayed on Ni-foam (CoNiFe-LTO@foam) were constructed. The special heterojunction LTO endows high dielectric loss, facilitating efficient conversion absorbed microwave energy thermal energy. Most importantly, synergistic effect multiple transition sites boosts cleavage chains dehydrogenation, thereby accelerating reaction kinetics. As a result, CoNiFe-LTO@foam achieves an H2 selectivity ∼95 vol % with yield ∼69 mmol·gplastic-1 for polyethylene in 25 cycles measurement. Simultaneously, CNTs attain ∼35%, which can be used aqueous chloride-ion batteries. Additionally, enables facile recovery prevents loss catalytic sites, various real-world wastes. Our work thus highlights innovations advanced system forming closed loop C/H achieving ultimate goal carbon-neutral society.

Language: Английский

Citations

0
Sustainable catalytic upcycling of medical face mask wastes into hydrocarbon-rich gases for potential carbonaceous nanomaterial production DOI

Kai Qi Tan,

Wen‐Da Oh, Mohd Azmier Ahmad

et al.

Waste Disposal & Sustainable Energy, Journal Year: 2025, Volume and Issue: unknown

Published: May 9, 2025

Language: Английский

Citations

0