Transformation of Graphite Recovered from Batteries into Functionalized Graphene-Based Sorbents and Application to Gas Desulfurization DOI Creative Commons
Rodolfo Fernández-Martínez, Isabel Ortiz, M. Belén Gómez-Mancebo

et al.

Molecules, Journal Year: 2024, Volume and Issue: 29(15), P. 3577 - 3577

Published: July 29, 2024

The recycling and recovery of value-added secondary raw materials such as spent Zn/C batteries is crucial to reduce the environmental impact wastes achieve cost-effective sustainable processing technologies. aim this work fabricate reduced graphene oxide (rGO)-based sorbents with a desulfurization capability using recycled graphite from material. Recycled was obtained black mass recovered dismantling by hydrometallurgical process. Graphene (GO) Tour's method comparable that pure graphite. rGO-based were prepared doping GO NiO ZnO precursors hydrothermal route final annealing step. along GO, intermediate (rGO-NiO-ZnO) composites (rGO-NiO-ZnO-400) characterized Wavelength Dispersive X-ray Fluorescence (WDXRF) diffraction (XRD) corroborated removal metal impurities starting material well presence NiO- ZnO-doped oxide. performance evaluated sulfidation tests under different conditions. results revealed proposed rGO-NiO-ZnO composite present similar commercial which constitutes competitive alternative syngas cleaning.

Language: Английский

Hydrogen evolution from NaBH4 using novel Ni/Pt nanoparticles decorated on a niobium-based composite DOI
Gabriel Henrique Sperandio, Jéssica Passos de Carvalho, C. B. R. Jesus

et al.

International Journal of Hydrogen Energy, Journal Year: 2024, Volume and Issue: 83, P. 774 - 783

Published: Aug. 14, 2024

Language: Английский

Citations

7
Sustainable Nanocatalyst Synthesized from Battery Waste for Enhanced Hydrogen Evolution: A Circular Economy Approach DOI

Eduardo Israel Pimenta de Souza,

Ueslei G. Favero,

Gabriel Henrique Sperandio

et al.

Journal of environmental chemical engineering, Journal Year: 2025, Volume and Issue: unknown, P. 116283 - 116283

Published: March 1, 2025

Language: Английский

Citations

0
Editorial for the Special Issue “Wastewater and Waste Treatment: Overview, Challenges and Current Trends (Volume II)” DOI Open Access
Dimitris Zagklis, Georgios Bampos

Processes, Journal Year: 2025, Volume and Issue: 13(4), P. 1097 - 1097

Published: April 6, 2025

Liquid and solid waste management is one of the most important challenges 21st century, as continued population growth, intensive agriculture, urbanization industrialization have led to increased pollutant loads on natural ecosystems [...]

Language: Английский

Citations

0
Incorporation of Co and Ni nanoparticles into sustainable mesoporous carbons for hydrogen evolution from sodium borohydride DOI
L. Lorenzini,

Mariana G. Anunciação,

Igor Bolonezi Gomes

et al.

International Journal of Hydrogen Energy, Journal Year: 2025, Volume and Issue: 135, P. 382 - 392

Published: May 8, 2025

Language: Английский

Citations

0
Niobic acid as a support for microheterogeneous nanocatalysis of sodium borohydride hydrolysis under mild conditions DOI Creative Commons
Guilherme Mateus Bousada,

Victor Nogueira da Silva,

Bárbara Fernandes de Souza

et al.

RSC Advances, Journal Year: 2024, Volume and Issue: 14(27), P. 19459 - 19471

Published: Jan. 1, 2024

This study explores the stabilization by niobic acid, of Pt, Ni, Pd, and Au nanoparticles (NPs) for efficient microheterogeneous catalysis NaBH 4 hydrolysis hydrogen production.

Language: Английский

Citations

2
Efficient hydrogen evolution from NaBH4 using bimetallic nanoparticles (Ni–Co) supported on recycled Zn–C battery electrolyte paste DOI

M. Iterlandes,

Gabriel Henrique Sperandio, Renata Pereira Lopes

et al.

International Journal of Hydrogen Energy, Journal Year: 2023, Volume and Issue: 53, P. 1323 - 1331

Published: Dec. 8, 2023

Language: Английский

Citations

6
A Novel Design of Centrifugal Pump Impeller for Hydropower Station Management Based on Multi-Objective Inverse Optimization DOI Open Access
Yue Zhang, Chenchen Song

Processes, Journal Year: 2023, Volume and Issue: 11(12), P. 3335 - 3335

Published: Nov. 30, 2023

The impeller, regarded as the central component of a centrifugal pump, plays pivotal role in dictating overall performance. Overcoming challenges arising from complexity design parameters and time-intensive nature process has been persistent obstacle to widespread adoption. In this study, we integrated ANSYS-CFX 2023 software with innovative inverse techniques optimize impeller within pump system. Our investigation reveals groundbreaking insights, highlighting significant influence both blade load shaft surface geometry on Notably, through optimization, substantial enhancements efficiency were achieved, demonstrating improvements 1.8% 1.7% under flow conditions 1.0 Q 0.8 Q, respectively. Further, gains 0.44% 0.36% achieved their corresponding conditions. optimization configuration notably facilitated more homogenized internal pattern impeller. These novel findings contribute substantively theoretical foundations underpinning design, offering engineers valuable reference elevate utilization conjunction methodologies showcases promising avenue for advancing ultimately culminating superior performance pumps.

Language: Английский

Citations

5
Transformation of Graphite Recovered from Batteries into Functionalized Graphene-Based Sorbents and Application to Gas Desulfurization DOI Creative Commons
Rodolfo Fernández-Martínez, Isabel Ortiz, M. Belén Gómez-Mancebo

et al.

Molecules, Journal Year: 2024, Volume and Issue: 29(15), P. 3577 - 3577

Published: July 29, 2024

The recycling and recovery of value-added secondary raw materials such as spent Zn/C batteries is crucial to reduce the environmental impact wastes achieve cost-effective sustainable processing technologies. aim this work fabricate reduced graphene oxide (rGO)-based sorbents with a desulfurization capability using recycled graphite from material. Recycled was obtained black mass recovered dismantling by hydrometallurgical process. Graphene (GO) Tour's method comparable that pure graphite. rGO-based were prepared doping GO NiO ZnO precursors hydrothermal route final annealing step. along GO, intermediate (rGO-NiO-ZnO) composites (rGO-NiO-ZnO-400) characterized Wavelength Dispersive X-ray Fluorescence (WDXRF) diffraction (XRD) corroborated removal metal impurities starting material well presence NiO- ZnO-doped oxide. performance evaluated sulfidation tests under different conditions. results revealed proposed rGO-NiO-ZnO composite present similar commercial which constitutes competitive alternative syngas cleaning.

Language: Английский

Citations

1