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Sustainable Chemistry, Volume 6, Issue 2

2025 June - 7 articles

Cover Story: 2. Cover Story:
This review explores the role of physical pretreatment methods in improving the enzymatic conversion of lignocellulosic biomass into fermentable sugars. Key techniques, such as mechanical comminution, irradiation (ultrasound, microwave, gamma rays, and electron beam), extrusion, and pulsed electric field, are critically analyzed in regards to their mechanisms, energy efficiency, and scalability. Particular emphasis is placed on the structural modifications induced by each method and their impact on hydrolysis performance. By comparing the advantages, limitations, and industrial applicability of each approach, this study provides strategic insights supporting the optimization of pretreatment selection based on biomass characteristics and processing objectives. View this paper
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Articles (7)

  • Review
  • Open Access
1 Citations
4,715 Views
41 Pages

A primary challenge in the further development of anion sensors in real water samples of environmental concern is the need for highly water-soluble compounds that are able to detect low concentrations of analytes. Small-molecule sensors can mitigate...

  • Review
  • Open Access
4 Citations
4,334 Views
36 Pages

The chemical industry faces major challenges worldwide. Since 1950, production has increased 50-fold and is projected to continue growing, particularly in Asia. It is one of the most energy- and resource-intensive industries, contributing significant...

  • Article
  • Open Access
1 Citations
2,395 Views
20 Pages

Teaching the Nature of Science Through Biodiesel Synthesis from Waste Cooking Oil: A Literature Review with Experimental Insights

  • Juan Peña-Martínez,
  • Jessica Beltrán-Martínez,
  • Ana Cano-Ortiz and
  • Noelia Rosales-Conrado

This work reviews the use of biodiesel synthesis experiments in science education, emphasising their potential for explicit nature of science (NOS) teaching. Through a literature review and experimental insights, it highlights how transesterification...

  • Article
  • Open Access
2,910 Views
14 Pages

Antiviral Activity of Rambutan Peel Polyphenols Obtained Using Green Extraction Technology and Solvents

  • Christian Hernández-Hernández,
  • Luis E. Estrada-Gil,
  • Sonia A. Lozano-Sepúlveda,
  • Ana M. Rivas-Estilla,
  • Mayela Govea-Salas,
  • Jesús Morlett-Chávez,
  • Cristóbal N. Aguilar and
  • Juan A. Ascacio-Valdés

Rambutan peel is a great source of bioactive compounds, the same that, over the years, has been extracted using conventional technologies which have been proven to be harmful to the environment and potentially toxic to human beings. This study aimed...

  • Review
  • Open Access
21 Citations
7,074 Views
36 Pages

Physical Pretreatments of Lignocellulosic Biomass for Fermentable Sugar Production

  • Damázio Borba Sant’Ana Júnior,
  • Maikon Kelbert,
  • Pedro Henrique Hermes de Araújo and
  • Cristiano José de Andrade

Physical pretreatments play a crucial role in reducing the recalcitrance of lignocellulosic biomass, facilitating its conversion into fermentable sugars for bioenergy and chemical applications. This study critically reviews physical pretreatment appr...

  • Article
  • Open Access
1 Citations
2,128 Views
16 Pages

Assessment of Co-Pyrolysis of Polypropylene with Triacylglycerol-Based Waste Biomass to Obtain Sustainable Hydrocarbons

  • Isaac de Carvalho Guimarães,
  • Mirele Santana de Sá,
  • Tarcísio Martins and
  • Alberto Wisniewski

Sustainable hydrocarbons are one of the main methods of decreasing the use of fossil fuels and derivatives, contributing to the mitigation of environmental impacts and greenhouse gas emissions. Circular economic concepts focus on reusing waste by con...

  • Article
  • Open Access
3 Citations
2,047 Views
13 Pages

Cultivation of Chlorella sp. in a Closed System Using Mining Wastewater and Simulated Flue Gas: Biomass Production and CO2 Fixation Potential

  • Thiago J. T. Cruz,
  • Guilherme Q. Calixto,
  • Fabiana R. de A. Câmara,
  • Dárlio I. A. Teixeira,
  • Renata M. Braga and
  • Sibele B. C. Pergher

Chlorella sp. was cultivated in a closed system using PET bottles (5 L) and with the continuous injection of air and commercial gas (98% CO2) and in simulated conditions (15% CO2, 73% N2, and 12% O2). The culture medium was prepared using well water...

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Sustain. Chem. - ISSN 2673-4079