Sustainable Biomaterials and Green Technologies for Industrial Applications

A Special Issue of Processes (ISSN 2227-9717) belonging to the section "Environmental and Green Processes".

Deadline for manuscript submissions: 31 March 2027 | Viewed by 718

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Guest Editor
Department of Chemical Engineering and Sustainability, Faculty of Engineering, International Islamic University Malaysia, Kuala Lumpur 53100, Malaysia
Interests: biofuels; biomaterials; bioprocess engineering; biorefinery; biosensors

Special Issue Information

Dear Colleagues,

Biomaterials, typically engineered from biomass or other natural resources, could provide sustainable raw materials for the application of biofuel, biocatalyst, membrane, bioelectronics, biosensors and many more. Some biomaterials are made of biopolymers, such as polysaccharides, chitin, chitosan, polypeptides, and polyesters, which provide biodegradable and sustainable alternatives to their synthetic polymer counterparts in industrial applications. Green technologies include multidisciplinary approaches, processes, or systems that are environmentally friendly, sustainable, or reduce carbon emissions. This Special Issue explores green processes from relevant fields including biochemical/biomedical engineering, chemical engineering, civil engineering, environmental engineering, electrical and electronic engineering, and mechanical engineering, for industrial applications.

Topics covered by the Special Issue include, but are not limited to, the following:

  • Biocatalyst synthesis and application;
  • Bioelectronics synthesis and application;
  • Biochar production and application;
  • Biofuels and bioenergy;
  • Biopolymer synthesis and application;
  • Biorefinery;
  • Bioremediation and pollutant removal processes;
  • Carbon capture, utilization, and storage (CCUS);
  • Green and sustainable chemistry processes;
  • Green and sustainable energy, energy harvesting, energy storage, and battery technologies;
  • Green and sustainable waste management, treatment, and recovery processes.

Dr. Farah B. Ahmad
Guest Editor

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Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-anonymized peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Processes is an international peer-reviewed open access semimonthly journal published by MDPI.

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Keywords

  • biocatalyst
  • bioelectronics
  • biochar
  • bioenergy
  • biofuels
  • biomaterials
  • biopolymer
  • biorefinery
  • bioremediation
  • carbon capture, utilization, and storage (CCUS)
  • waste management

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Published Papers (1 paper)

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Research

28 pages, 2981 KB  
Article
Cactus-Derived Biocoagulants for Sustainable Drinking-Water Treatment: Comparative Performance Against Polyaluminum Chloride
by Santiago Guerra-Salcedo, Antony C. Ramos-Rivadeneira, Gabriel Acosta-Llerena, María Cristina Torres and Carlos F. Aragón-Tobar
Processes 2026, 14(18), 2924; https://doi.org/10.3390/pr14182924 - 15 Sep 2026
Viewed by 319
Abstract
The growing demand for environmentally compatible water-treatment technologies has increased interest in bio-based coagulants as alternatives or complementary agents to conventional chemicals. This study evaluated polysaccharide-containing extracts from Opuntia ficus-indica and Subpilocereus repandus against polyaluminum chloride (PAC) using coagulation–flocculation jar tests with synthetic [...] Read more.
The growing demand for environmentally compatible water-treatment technologies has increased interest in bio-based coagulants as alternatives or complementary agents to conventional chemicals. This study evaluated polysaccharide-containing extracts from Opuntia ficus-indica and Subpilocereus repandus against polyaluminum chloride (PAC) using coagulation–flocculation jar tests with synthetic and natural raw-water matrices. In synthetic water (729 NTU turbidity; 610 Pt–Co apparent color), both cactus-derived biocoagulants showed their highest clarification performance at 10 mg/L. Opuntia ficus-indica achieved 94.65% turbidity and 83.33% apparent color removal, while Subpilocereus repandus achieved 89.49% and 73.72%, respectively. PAC produced faster clarification and higher overall removal; at 16 mg/L, turbidity and apparent color removals reached 99.81% and 99.51% after 60 min. In the exploratory natural raw-water assessment (41 NTU; 301 Pt–Co), Subpilocereus repandus at 10 mg/L achieved 97.12% turbidity and 90.03% apparent color removal. Cactus-derived extracts showed dose- and time-dependent behavior with limited pH variation. COD initially increased after cactus-extract addition, reflecting oxidizable organic matter introduced by the extracts, then decreased during treatment. These findings support their potential as alternative or complementary materials for water clarification. Full article
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