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
Citations
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Removal of chromium (VI) from water using nanoscale zerovalent iron particles supported on herb-residue biochar.
TL;DR: Results prove that nZVI/BC can be an effective reagent for removal of Cr(VI) from solutions.
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Lead and copper immobilization in a shooting range soil using soybean stover- and pine needle-derived biochars: Chemical, microbial and spectroscopic assessments
Mahtab Ahmad,Yong Sik Ok,Anushka Upamali Rajapaksha,Jung Eun Lim,Byung Yong Kim,Jae Hyung Ahn,Young Han Lee,Mohammad I. Al-Wabel,Sung-Eun Lee,Sang Soo Lee +9 more
TL;DR: Spectroscopic investigations showed that Pb in the BCs amended soils was immobilized by the formation of stable chloropyromorphite, and the non-labile C fraction in the soil amended with BCs produced at 700°C was increased.
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Pyrolysis process of agricultural waste using CO2 for waste management, energy recovery, and biochar fabrication
Jechan Lee,Xiao Yang,Seong-Heon Cho,Jae Kon Kim,Sang Soo Lee,Daniel C.W. Tsang,Yong Sik Ok,Eilhann E. Kwon +7 more
TL;DR: In this paper, the role of CO2 in pyrolysis of red pepper stalks was examined and the physicico-chemical properties of biochar generated in CO2 were varied compared to biochar produced in N2.
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Rice husk silica derived nanomaterials for sustainable applications
TL;DR: In this paper, the authors reviewed recent progresses in the synthesis of rice husk (RH) silica materials and their sustainable applications, especially in energy and environment functional materials, which can remove heavy metals and organic contaminants in soil amendment, wastewater treatment and gas purification by means of adsorption, catalysis and integrated processes.
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Varying effect of biochar on Cd, Pb and As mobility in a multi-metal contaminated paddy soil
TL;DR: BCW exhibited important potential for soil Cd sequestration with little effect on As mobilization under acid precipitation, but it may simultaneously load highly acid-soluble Pb minerals into soils, resulting in elevated Pb mobility upon acid exposure.
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.