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Sustainable Water Treatment Systems: Green Infrastructure and Bioremediation, 2nd Edition

A special issue of Water (ISSN 2073-4441). This special issue belongs to the section "Urban Water Management".

Deadline for manuscript submissions: 20 February 2026 | Viewed by 587

Special Issue Editor

School of Life and Environmental Science, Wenzhou University, Wenzhou 325035, China
Interests: wetlands; ecological remediation; green-roof systems; disposal and reuse of river sediment; submerged plants
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Water scarcity is currently one of the most important global issues that urgently needs to be addressed via the development of sustainable water treatment systems. Sustainable water treatment not only includes harmless treatment of sewage, but also involves comprehensive recycling and utilization of energy and nutrients from sewage. Green infrastructure, as an interconnected green space network, mainly involves many green or natural systems, like green-roof systems, green-wall systems, and wetland systems. It has been considered an important design for urban water management in green city construction. Bioremediation, also as a kind of green technology, can reduce the concentration of pollutants in water using biological metabolic activities. It is widely used in urban sewage treatment.

In this Special Issue, original research articles and reviews are welcome. Research areas may include (but are not limited to) the following:

  1. Wetland systems;
  2. Green-roof systems;
  3. Green-wall systems;
  4. Membrane separation;
  5. Catalytic oxidation of emerging contaminants; 
  6. Refractory organic pollutant removal technology.

We look forward to receiving your contributions.

Dr. Suqing Wu
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

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-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Water is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • water treatment
  • sustainable
  • green
  • ecological restoration
  • bioremediation

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Published Papers (1 paper)

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Research

24 pages, 4146 KB  
Article
Investigation of the Adsorption Capacity of H3PO4-Activated Biochar from Eucalyptus Harvest Waste for the Efficient Removal of Paracetamol in Water
by Lúcia Allebrandt da Silva Ries, Joyce Helena da Silveira Chies, Luamar de Mattos Soares, Edilson Valmir Benvenutti and Fabiano Perin Gasparin
Water 2025, 17(17), 2654; https://doi.org/10.3390/w17172654 - 8 Sep 2025
Viewed by 327
Abstract
The present study showed that it is possible add value to eucalyptus harvest waste, obtained in large quantities, from the cellulose industries, without known economic use, for the production of an activated biochar. The biochar, produced from the impregnation of eucalyptus harvest waste [...] Read more.
The present study showed that it is possible add value to eucalyptus harvest waste, obtained in large quantities, from the cellulose industries, without known economic use, for the production of an activated biochar. The biochar, produced from the impregnation of eucalyptus harvest waste with H3PO4, and subsequently pyrolyzed at 600 °C for 1 h, was successfully used as a bioadsorbent in the removal of paracetamol, an emerging pollutant present in wastewater. The biochar showed a high specific surface area with micro- and mesopores and functionalized surface. The optimal conditions for the removal of paracetamol achieve an efficiency around 88–93%. The Langmuir and the pseudo-first-order models best fit the experimental data, with a maximum adsorption capacity of approximately 27.8 mg g−1, at 25 °C. The thermodynamic showed that adsorption occurred spontaneously, endothermally and randomly at the solid–liquid interface. In addition, the bioadsorbent showed excellent reusability and no significant difference in adsorption capacity was observed in more complex aqueous matrices. Thus, the activated biochar produced in this study proved to be an efficient, low-cost and environmentally friendly bioadsorbent, capable of removing paracetamol from contaminated water, with great potential for use in water treatment plants, on a large scale and economically, contributing to the improvement of water quality and minimizing residual biomass in the environment. Full article
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