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New Advances and Biotechnological Applications to Reduce Agricultural Pollution

A special issue of Sustainability (ISSN 2071-1050). This special issue belongs to the section "Sustainable Agriculture".

Deadline for manuscript submissions: closed (6 March 2024) | Viewed by 6634

Special Issue Editors


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Guest Editor
Biotechnological Research Center Applied to the Environment (CIBAMA-BIOREN), University of La Frontera, Temuco 4780000, Chile
Interests: environmental pollution; environmental microbiology; pesticide; biological process for wastewater treatment; environmental biotechnology; actinobacteria

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Guest Editor
Planta Piloto de Procesos Industriales Microbiológicos (PROIMI-CONICET), Av. Belgrano y Pje. Caseros, Tucuman 4000, Argentina
Interests: bioremediation; biotechnology; microbiology; pesticides; heavy metals; actinobacteria

Special Issue Information

Dear Colleagues,

The Green Revolution of the 1960s was boosted to increase plant productivity, involved the creation of public investment, hybrid crop development and the application of synthetic fertilizer and pesticide in the agriculture. At present, it is widely accepted that chemical synthetic products play an important role in plant protection. However, it is well documented that their widespread and indiscriminate use can cause negative impacts on the environment (e.g., on soil microbiome, water resource) and human health. Modern agricultural practices have increased the process of agricultural pollution. Therefore, general awareness exists regarding the detrimental effects of other pollutant sources such as heavy metals coming from the use of fertilizer, manure and other organic wastes, and antibiotics used extensively in agriculture, livestock and in animal husbandry. In addition, agricultural land could be one of the major receiving ends of the metal-based nanoparticles applied in agriculture such as nano-fertilizer and nano-pesticides. Agriculture uses huge amounts of water and chemicals. Hence, agricultural wastewater generated from a variety of farm activities can pollute surface and ground water if not properly managed. For these reasons and many more, the current agronomic technologies include the concept of integrated pest management and agricultural sustainability. Under this paradigm, farmers are more willing to incorporate new strategies and recommendations of soil and crop management due to the growing scientific interest to develop biotechnological tools and recommendations that ensure higher crop productivity within sustainable environments.

In this context, this Special Issue of Sustainability welcomes researchers from all over the world to contribute with original articles, as well as reviews addressing the latest knowledge about: 1) contaminants fate, transport and environmental risk, 2) environmental remediation process and technologies, 3) sustainable agricultural management, and 4) microbial community dynamics in soil systems.

Dr. Gabriela Briceño
Dr. Claudia Benimeli
Guest Editors

Manuscript Submission Information

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

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Keywords

  • bioremediation
  • bioaugmentation
  • biopurification systems
  • bioinoculants
  • emerging contaminants
  • pesticide-plant-microbial interactions
  • agricultural wastewater
  • nanoformulated
  • pollutant degradation
  • sustainability
  • wastewaster treatments
  • toxicity
  • agrochemicals
  • heavy metals
  • phytoremediation
  • organic amendments
  • environmental risk

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Published Papers (2 papers)

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Research

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16 pages, 1676 KiB  
Article
Continuous Removal of Dyes from Wastewater Using Banana-Peel Bioadsorbent: A Low-Cost Alternative for Wastewater Treatment
by Jennifer Yhon, Jeamilette Mendoza, Efren Osorio and María Paz Domínguez
Sustainability 2023, 15(13), 9870; https://doi.org/10.3390/su15139870 - 21 Jun 2023
Cited by 5 | Viewed by 2411
Abstract
Methylene blue is a widely used dye that can have severe negative impacts on the environment and human health. Adsorption is an effective method for removing it from wastewater, but the high cost of traditional adsorbents has motivated the research into low-cost alternatives [...] Read more.
Methylene blue is a widely used dye that can have severe negative impacts on the environment and human health. Adsorption is an effective method for removing it from wastewater, but the high cost of traditional adsorbents has motivated the research into low-cost alternatives derived from waste biomass. Designing a dye-removal process requires the knowledge of breakthrough curves. This paper assesses the use of banana peel as an adsorbent in a continuous process for the removal of methylene blue. The adsorption efficiency of lab-scale continuous systems using a stock solution of 0.5 g L−1 methylene blue was analyzed. The best performance was found at pH 6, with a particle size of 0.08–0.3 mm and a fixed bed height of 7.5 cm. The total adsorption capacity was 22.11 mg/g based on experimental data and 25.40 mg/g based on mathematical modeling (Thomas model). The saturation time was 53 h. According to the results, the process conditions and adsorbent characteristics have a critical role in the design of continuous adsorption systems. However, further research is needed to generalize conclusions about the process and include additional experimental data under different operating conditions. Full article
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Review

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15 pages, 598 KiB  
Review
Advances in Agroindustrial Waste as a Substrate for Obtaining Eco-Friendly Microbial Products
by Álvaro Astudillo, Olga Rubilar, Gabriela Briceño, María Cristina Diez and Heidi Schalchli
Sustainability 2023, 15(4), 3467; https://doi.org/10.3390/su15043467 - 14 Feb 2023
Cited by 11 | Viewed by 3520
Abstract
Recycled agroindustrial waste has been of great interest during the last decade as a low-cost and sustainable substrate for fermentation processes. The types of products, yields, and potential applications depend mainly on the waste composition, which varies in terms of proteins, carbohydrates, and/or [...] Read more.
Recycled agroindustrial waste has been of great interest during the last decade as a low-cost and sustainable substrate for fermentation processes. The types of products, yields, and potential applications depend mainly on the waste composition, which varies in terms of proteins, carbohydrates, and/or polyphenolic compounds. The most commonly reported microbial products are enzymes, pigments, biosurfactants, antibiotics, and phenolic compounds for different industrial applications. Advances in research on novel wastes as nutrient sources and the optimization of fermentation processes can help these materials transition from laboratory applications to an industrial level. This review explores reports published in the last five years (2017–2022) on different types of agroindustrial waste and their utilization in the production of useful microbial products. The present scenario and future scope of agroindustrial waste as substrates for submerged and solid-state fermentation processes are also discussed. The information was analyzed considering two main topics: (i) agroindustrial waste as substrates for fermentation processes and (ii) high-added value products obtained by microbial conversion. This review contributes to future research endeavors to discover the key factors that will allow us to reach the market with sustainable microbial products. Full article
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