New Frontieres in Biochar Application

A special issue of Processes (ISSN 2227-9717). This special issue belongs to the section "Environmental and Green Processes".

Deadline for manuscript submissions: closed (30 November 2021) | Viewed by 4432

Special Issue Editors


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Guest Editor
Department of Applied Science and Technology (DISAT), Polytechnic of Turin, 10129 Turin, Italy
Interests: biochar; carbon materials; composites; electrical characterization
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Guest Editor
Department of Building School of Design and Environment, National University of Singapore, Singapore 119077, Singapore
Interests: biochar; cement composites
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Guest Editor
Ithaka Institute for Carbon Strategies, CH-1974 Arbaz, Switzerland
Interests: biochar; agricultural engineering; ecology
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Special Issue Information

Dear Colleagues,

Sustainability will drive our choices in the future. Indeed, the quest for sustainability is already starting to transform the competitive landscape, which will force companies to change the way they think about products, technologies, processes, and business models. The key to progress, particularly in times of economic crisis, is innovation. In this scenario, researchers have a key role.

Biochar, a biomass-derived carbon material, has been demonstrated to be a possible material to promote sustainability in different fields from composite production where biochar is used as eco-friendly alternative to oil-derived carbon materials, to the use of biochar in all the fields where other carbon materials are used.

Respect for our world imposes on researchers the need to promote new ways in their research fields oriented to eco-friendly solutions for new generations, to reduce oil addiction using new materials, and to promote the reuse and transformation of waste materials. In recent years, biochar has been presented as a possible key material to apply in these fields. Biochar is derived from waste biomasses and it is used as a substitute for oil-derived carbon materials in several applications.

This Special Issue aims to:

  1. Explore all the new possible applications in the field of biochar. In particular, papers where biochar is the key factor for innovative applications that promote sustainability will be accepted.
  2. Provide an up-to-date picture of recent advances and outstanding innovations in the field of biochar applications. Studies in different fields where biochar is the main actor will be welcome.

Dr. Mauro Giorcelli
Dr. Mattia Bartoli
Prof. Dr. Kua Harn Wei
Prof. Dr. Hans Peter Schmidt
Guest Editors

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Keywords

  • biochar
  • carbon materials
  • composites
  • biochar production

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Published Papers (1 paper)

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Research

17 pages, 4207 KiB  
Article
Application of Biochar in Stormwater Treatment: Experimental and Modeling Investigation
by Md Sazadul Hasan, Raul Vasquez and Mengistu Geza
Processes 2021, 9(5), 860; https://doi.org/10.3390/pr9050860 - 13 May 2021
Cited by 12 | Viewed by 3279
Abstract
This research investigated the removal of heavy metal ions (Cd, Cu, Pb, and Zn) and metalloid (As) common to stormwater runoff onto biochar-based media arranged in multiple configurations. Laboratory scale column experiments were conducted to quantify heavy metal removal efficiencies using sand, biochar, [...] Read more.
This research investigated the removal of heavy metal ions (Cd, Cu, Pb, and Zn) and metalloid (As) common to stormwater runoff onto biochar-based media arranged in multiple configurations. Laboratory scale column experiments were conducted to quantify heavy metal removal efficiencies using sand, biochar, and nZVI-modified biochar (BC-nZVI) in four media configurations: a homogeneous mixture of sand and biochar (BCM); biochar layered in sand (BCL); BC-nZVI layered in sand (BCZ); and sand as a control. An inverse modeling approach was implemented to measured moisture and experimental data to determine media hydraulic parameters (θr, θs, α, n and Ks) and adsorption coefficients. The experiment was conducted using laboratory synthesized stormwater over 200 days at a rate of 5 cm/day. BCZ exhibited an excellent removal (99%) of As due to the high attachment to nZVI, via surface complexations. Biochar with abundant surface oxygen functional groups exhibited a great (99%) removal of Cd and Zn in both BCL and BCM columns. Water contents were observed 66.0, 44.3, 41.4, and 7.2% for BCL, BCM, BCZ, and sand, respectively. The attachment coefficients varied from 21.5 to 44.9, 16.1 to 19.3, 18.8 to 26.0, and 9.6 to 19.9 L/kg for BCL, BCM, BCZ, and sand, respectively. This study’s output provides useful information for stormwater management practices. Full article
(This article belongs to the Special Issue New Frontieres in Biochar Application)
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