Journal ArticleDOI
Biochar as a sorbent for contaminant management in soil and water: a review.
Mahtab Ahmad,Anushka Upamali Rajapaksha,Jung Eun Lim,Ming Zhang,Nanthi Bolan,Dinesh Mohan,Meththika Vithanage,Sang Soo Lee,Yong Sik Ok,Yong Sik Ok,Yong Sik Ok +10 more
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TLDR
Due to complexity of soil-water system in nature, the effectiveness of biochars on remediation of various organic/inorganic contaminants is still uncertain.About:
This article is published in Chemosphere.The article was published on 2014-03-01. It has received 3163 citations till now. The article focuses on the topics: Biochar & Slash-and-char.read more
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A comparative study on biochar properties and Cd adsorption behavior under effects of ageing processes of leaching, acidification and oxidation.
TL;DR: The results showed that the adsorption capacity of fresh biochar produced at 650 °C was higher than of biochar made at 350’°C, and that mineral co-precipitation plays a dominant role in Cd sorption.
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Stability of heavy metals in soil washing residue with and without biochar addition under accelerated ageing
Zhengtao Shen,Zhengtao Shen,Deyi Hou,Bin Zhao,Wendi Xu,Yong Sik Ok,Nanthi Bolan,Daniel S. Alessi +7 more
TL;DR: Challenges associated with stabilising SWR due to the presence of residual fine-grained particles are revealed and accelerated ageing significantly increased the fractions of exchangeable Cd2+ and Pb2+ in the soils, as compared with those incubated under constant moisture, regardless of biochar addition.
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Thermodynamic Analysis of Nickel(II) and Zinc(II) Adsorption to Biochar.
Md. Samrat Alam,Drew Gorman-Lewis,Ning Chen,Shannon L. Flynn,Shannon L. Flynn,Yong Sik Ok,Kurt O. Konhauser,Daniel S. Alessi +7 more
TL;DR: A combined modeling and spectroscopic approach is explored for the first time to describe the molecular level adsorption of Ni (II) and Zn(II) to five types of biochar to facilitate the further development of thermodynamics-based, predictive approaches to biochar removal of metals from contaminated water.
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The roles of co-composted biochar (COMBI) in improving soil quality, crop productivity, and toxic metal amelioration.
TL;DR: An extensive review of the production of several COMBIs and their contribution to the composting process and biochar properties as well as the further use ofCOMBIs in agricultural lands to improve soil health and increase crop yields, and to remediate areas severely contaminated with potentially toxic metals (PTMs).
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In-situ biogas upgrading during anaerobic digestion of food waste amended with walnut shell biochar at bench scale.
Jessica L. Linville,Yanwen Shen,Patricia Anne A. Ignacio-de Leon,Robin P. Schoene,Meltem Urgun-Demirtas +4 more
TL;DR: Biochar addition also increased alkalinity as CaCO3 from 2800 mg L-1 in the control digesters to 4800–6800 mgL-1, providing process stability for food waste anaerobic digestion, and outperformed the coarse walnut shell biochar amended digesters.
References
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Pyrolysis of Wood/Biomass for Bio-oil: A Critical Review
TL;DR: A review of the recent developments in the wood pyrolysis and reports the characteristics of the resulting bio-oils, which are the main products of fast wood pyrotechnics, can be found in this paper.
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Biochar effects on soil biota – A review
Johannes Lehmann,Matthias C. Rillig,Janice E. Thies,Caroline A. Masiello,William C. Hockaday,David E. Crowley +5 more
TL;DR: A review of the literature reveals a significant number of early studies on biochar-type materials as soil amendments either for managing pathogens, as inoculant carriers or for manipulative experiments to sorb signaling compounds or toxins as mentioned in this paper.
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Some aspects of the surface chemistry of carbon blacks and other carbons
TL;DR: In this paper, a review of the surface chemistry of carbon blacks and other activated carbons is given, focusing on surface oxides with emphasis on the chemical methods used in the assessment and identification of surface functional groups.
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Ameliorating physical and chemical properties of highly weathered soils in the tropics with charcoal – a review
TL;DR: In this paper, the authors reviewed the available information about the physical and chemical properties of charcoal as affected by different combustion procedures, and the effects of its application in agricultural fields on nutrient retention and crop production.
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Dynamic molecular structure of plant biomass-derived black carbon (biochar)
TL;DR: A molecular-level assessment of the physical organization and chemical complexity of biomass-derived chars and, specifically, that of aromatic carbon in char structures suggests the existence of four distinct categories of char consisting of a unique mixture of chemical phases and physical states.