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Environments, Volume 9, Issue 5

May 2022 - 11 articles

Cover Story: BC (biochar) can be modified by metal ions, alkali, oxidizing agents, acid, steam, gas purging, and carbonaceous materials. The selection of modification methods depends on the application fields. BC engineering allows achieving the required BC properties that are optimized for specific purposes. BC modification leads to harnessing the favorable features of BC to enhance its efficiency. The chemical and physical properties of modified BCs greatly depend on the type of modification reagents. Modified BC is also used to improve soil quality and performance for better plant growth and productivity. Soil amendment with modified BC enhances the nutrient uptake, soil organic matter, hydraulic conductivity, and microbial activities, all of which reduces dependency on chemical fertilizers. View this paper
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Articles (11)

  • Article
  • Open Access
5 Citations
4,276 Views
19 Pages

Actions to control and eradicate Ailanthus altissima (Mill.) Swingle are essential to the prevention of uncontrolled growth and expansion of this species and its competition with native species. This competition leads to biodiversity and productivity...

  • Article
  • Open Access
9 Citations
5,120 Views
16 Pages

Commercial Red Food Dyes Preparations Modulate the Oxidative State in Three Model Organisms (Cucumis sativus, Artemia salina, and Danio rerio)

  • Gaetana Napolitano,
  • Chiara Maria Motta,
  • Claudio Agnisola,
  • Paola Venditti,
  • Gianluca Fasciolo,
  • Ida Ferrandino,
  • Teresa Capriello,
  • Ermenegilda Vitale,
  • Giulia Costanzo and
  • Bice Avallone
  • + 2 authors

The growing environmental spreading of food synthetic dyes and bio-colors have the potential for altering organisms’ redox states. Here, three model species for aquatic pollution trials, Cucumis sativus seeds, Artemia salina cysts, and Danio re...

  • Article
  • Open Access
6 Citations
5,858 Views
15 Pages

Soils close to former mines or metallurgical facilities often contain extreme concentrations of potentially toxic elements (PTEs), and among soil remediation actions needed, enhanced phytoextraction techniques using chelating agents could be a very p...

  • Article
  • Open Access
7 Citations
5,835 Views
19 Pages

Assessment of the Role of Nearshore Marine Ecosystems to Mitigate Beach Erosion: The Case of Negril (Jamaica)

  • Pascal Peduzzi,
  • Adonis Velegrakis,
  • Bruno Chatenoux,
  • Marisol Estrella and
  • Theofanis Karambas

Coastal and marine ecosystems are supplying a wide range of services. With accelerated Sea Level Rise, intensification of waves and storm surge severity and increasing anthropogenic pressures, these areas are under multiple threats and society may no...

  • Review
  • Open Access
67 Citations
11,251 Views
17 Pages

Modified Biochars and Their Effects on Soil Quality: A Review

  • Abdul Hafeez,
  • Taowen Pan,
  • Jihui Tian and
  • Kunzheng Cai

Biochar (BC) has attracted attention due to its impacts on soil quality by enhancing soil fertility, carbon storage and contaminants immobilization. BC also induces changes in microbial community structure and enhances crop productivity in long term...

  • Article
  • Open Access
7 Citations
6,252 Views
17 Pages

Although pig meat accounts for nearly half of total meat production in Europe, less attention has been focused on the greenhouse gas (GHG) emissions of pig farming. The aim of this study was to assess and compare the impact of pig livestock on GHG em...

  • Article
  • Open Access
12 Citations
6,965 Views
15 Pages

COMSOL Modeling of Heat Transfer in SVE Process

  • Yan Shi,
  • Shuwang Rui,
  • Shaofeng Xu,
  • Na Wang and
  • Yixuan Wang

Non aqueous phase liquid (NAPL) pollution exists in porous media such as soil. SVE technology can be used to remove this pollution in soil. However, few domestic and international studies have paid attention to the changes of soil temperature in the...

  • Article
  • Open Access
18 Citations
4,924 Views
21 Pages

Polylactide as a Substitute for Conventional Polymers—Biopolymer Processing under Varying Extrusion Conditions

  • Daria Kosmalska,
  • Katarzyna Janczak,
  • Aneta Raszkowska-Kaczor,
  • Andrzej Stasiek and
  • Tomasz Ligor

The polymer processing industry is paying more attention to biodegradable materials synthesized from renewable sources. One of the most popular of them is polylactide (PLA). Except the material from which a given product is made, particularly importa...

  • Article
  • Open Access
8 Citations
5,181 Views
18 Pages

Riboflavin as a Biodegradable Functional Additive for Thermoplastic Polymers

  • Natalia Puszczykowska,
  • Piotr Rytlewski,
  • Marek Macko,
  • Kacper Fiedurek and
  • Katarzyna Janczak

With continuous development of biodegradable polymers, new areas of applications are intensively researched. Modifications of these polymers are commonly conducted by an extrusion compounding process. While additives are changing desired properties,...

  • Communication
  • Open Access
23 Citations
18,816 Views
10 Pages

Simplified Method for the Determination of Total Kjeldahl Nitrogen in Wastewater

  • Tristan D. Hicks,
  • Caleb M. Kuns,
  • Chandrashekar Raman,
  • Zane T. Bates and
  • Subhalakshmi Nagarajan

The increase in total Kjeldahl nitrogen (TKN) concentrations is correlated with increases in cyanobacterial bloom biomass. Standard methods for the measurement of TKN are tedious, costly, time-consuming and involve the use of hazardous catalysts, suc...

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Environments - ISSN 2076-3298