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ChemEngineering, Volume 9, Issue 6

2025 December - 32 articles

Cover Story: This work valorizes two agri-food residues, alperujo and banana peel, converting them into nitrogen-functionalized hydrochars that act as efficient catalysts for peroxymonosulfate activation and the subsequent removal of organic contaminants from water. The approach avoids high temperatures and harsh reagents, ensuring a sustainable and scalable methodology. Among the synthesized materials, N-HA-EDC exhibited the highest performance, combining strong adsorption capacity with nonradical PMS activation mediated by surface-bound complexes. Its effectiveness toward both dyes and pharmaceuticals highlights a versatile, waste-derived catalyst aligned with circular-economy principles. View this paper
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Articles (32)

  • Article
  • Open Access
342 Views
16 Pages

Harnessing an Invasive Species’ Waste for Syngas Production: Fast Pyrolysis of Rosehip Seeds in a Bubbling Fluidized Bed

  • Rodrigo Torres-Sciancalepore,
  • Daniela Zalazar-García,
  • Rosa Rodriguez,
  • Gastón Fouga and
  • Germán Mazza

This study examines the fast pyrolysis of rosehip seed waste (RSW) in a fluidized bed reactor, evaluating its potential for syngas production and effective waste valorization. The fluidization behavior of sand/RSW mixtures was characterized by determ...

  • Article
  • Open Access
427 Views
24 Pages

The energy–water–carbon (EWC) nexus has become a critical concern for industrial systems seeking sustainable development, yet existing assessment approaches often require intensive computation and lack practical adaptability. This study p...

  • Article
  • Open Access
521 Views
28 Pages

Numerical Investigation into Effects of Gas Sparger and Horizontal Baffles on Hydrodynamics of Flat Bubble Column

  • Masroor Abro,
  • Imran Nazir Unar,
  • Junaid Korai,
  • Abdul Qudoos,
  • Sikandar Almani,
  • Abdul Qadeer Laghari,
  • Liang Yu and
  • Abdul Sattar Jatoi

Computational fluid dynamics (CFD) was used to investigate influence of different gas sparger configurations and the presence of horizontal baffles on hydrodynamic characteristics in a flat bubble column. CFD results of time-averaged local and global...

  • Review
  • Open Access
795 Views
20 Pages

Sustainable Solutions in Sodium-Ion Battery Cathode Materials: A Mini-Review of Strategies for Upgraded Performance Through Modification Techniques

  • Mudhar A. Al-Obaidi,
  • Farhan Lafta Rashid,
  • Ahmed K. Ali,
  • Mohammed Mahdi,
  • Ahmad Al Astal and
  • Iqbal M. Mujtaba

Sodium-ion batteries (SIBs) have arisen as a potential alternative to lithium-ion batteries (LIBs) as a result of the abundant availability of sodium resources at low production costs, making them in line with the United Nations Sustainable Developme...

  • Article
  • Open Access
398 Views
28 Pages

Corrosion of carbon steel in acidic media remains a critical challenge during acidizing operations. This study evaluates carrot and rosemary extracts—individually and in combination—as green corrosion inhibitors for carbon steel in 1 M HC...

  • Article
  • Open Access
353 Views
16 Pages

This study investigates the formulation and optimization of acid-stable water-in-oil-in-water (W/O/W) double emulsions stabilized by sodium caseinate (NaCN)–xanthan gum (XG) complexes, with the aim of developing a natural biopolymer-based deliv...

  • Article
  • Open Access
553 Views
24 Pages

Monte Carlo Simulations as an Alternative for Solving Engineering Problems in Environmental Sciences: Three Case Studies

  • Sergio Luis Parra-Angarita,
  • Guillermo H. Gaviria,
  • Juan F. Herrera-Ruiz and
  • María del Carmen Márquez

Monte Carlo methods offer a fast, cost-effective approach for modeling environmental systems influenced by random variability. This study applied them to three abiotic cases: (I) water quality in a lentic surface water source, (II) sizing of a homoge...

  • Article
  • Open Access
487 Views
21 Pages

Activated Carbons for Bone Cell Growth: Structural Properties and Biological Interactions

  • Damião de Carvalho Pereira,
  • Drielli Viana Souza,
  • Ayres Fernando Rodrigues,
  • Gisele Amaral-Labat,
  • Patrícia Almeida-Mattos,
  • Guilherme Frederico Bernardo Lenz e Silva,
  • Flavia Lega Braghiroli,
  • Ana Paula Ligeiro de Oliveira,
  • José Antônio Silva Júnior and
  • Rodrigo Labat Marcos
  • + 3 authors

Having high porosity and biocompatibility, carbon-based materials are promising candidates for tissue engineering applications, particularly as substitutes for biological tissues. This study investigates the growth and viability of osteoblasts on fou...

  • Article
  • Open Access
1 Citations
540 Views
9 Pages

This study aims to estimate the organic load of oily wastewater by using Chemical Oxygen Demand (COD) measurements, addressing the analytical challenges posed by the hydrophobic, nonpolar, and often emulsified nature of Fats, oil and grease (FOG). Th...

  • Article
  • Open Access
564 Views
26 Pages

Physicochemical Study of Water Contamination for Health Risks and Environmental Implications: A Case Study of Barite Mining Sites

  • David Oluwasegun Afolayan,
  • Hassan Abubakar Adamu,
  • Seun Isaiah Olajuyi and
  • Olumide Samuel Oluwaseun Ogunmodimu

Mining is associated with specific heavy metals (HMs), including cadmium (Cd), lead (Pb), copper (Cu), iron (Fe), and other toxic metals. These metals contaminate water and accumulate in both children and adults at varying concentrations, resulting i...

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ChemEngineering - ISSN 2305-7084