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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An overview of carbothermal synthesis of metal–biochar composites for the removal of oxyanion contaminants from aqueous solution
Ronghua Li,Ronghua Li,Jim J. Wang,Lewis A. Gaston,Baoyue Zhou,Manlin Li,Ran Xiao,Ran Xiao,Quan Wang,Zengqiang Zhang,Hui Huang,Wen Liang,Heteng Huang,Xiaofeng Zhang +13 more
TL;DR: In this paper, a review of metal-biochar composites for removing oxyanions from wastewater is presented, and the effects of metal dosing and pyrolysis conditions on the surface chemistry and environmental stability of the composite are discussed.
Journal ArticleDOI
Review of biochar for the management of contaminated soil: Preparation, application and prospect.
TL;DR: To determine the effect of feedstock and preparation conditions such as pyrolysis temperature, retention time, gas flow rate, additives on the biochar characteristics and application potentials, the relevant mechanisms should be adequately considered for maximizing the all-around efficiency of biochar amendments.
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Interaction of arsenic with biochar in soil and water: A critical review
Meththika Vithanage,Indika Herath,Stephen Joseph,Jochen Bundschuh,Nanthi Bolan,Yong Sik Ok,M. B. Kirkham,Jörg Rinklebe +7 more
TL;DR: In this article, a review highlights biochar production technologies, biochar properties, and recent advances in the removal and immobilization of a major metalloid contaminant, As in water and soil.
Journal ArticleDOI
Structural analysis of char by Raman spectroscopy: Improving band assignments through computational calculations from first principles
Matthew Smith,Ian Dallmeyer,Timothy J. Johnson,Carolyn S. Brauer,Jean-Sabin McEwen,Juan F. Espinal,Manuel Garcia-Perez +6 more
TL;DR: In this paper, the effects of various vacancy and substitution defects in a coronene parent molecule have been systematically analyzed using density functional theory (DFT), and the impacts of these defects are best understood in terms of a reduced symmetry as compared to a “parent” coronene molecule.
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Influences of feedstock sources and pyrolysis temperature on the properties of biochar and functionality as adsorbents: A meta-analysis.
Masud Hassan,Masud Hassan,Yanju Liu,Yanju Liu,Ravi Naidu,Ravi Naidu,Sanjai J. Parikh,Jianhua Du,Jianhua Du,Fangjie Qi,Fangjie Qi,Ian R. Willett +11 more
TL;DR: Discriminant analysis of data from 533 published datasets revealed that biochar derived from hardwood and softwood generally have greater surface area and carbon content, but lower content of oxygen and mineral constituents, than manure- and grass-derived biochars (GBC).
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.