Journal ArticleDOI
Comparison of sorption and desorption studies of heavy metal ions from biochar and commercial active carbon
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TLDR
In this article, the effect of various operating factors such as: adsorbent dose, contact time, solution pH, initial concentration and temperature on the sorption of heavy metal ions of Cu(II, Zn(II), Cd( II), Co(II and Pb(II) were carried out using the commercial active carbon Purolite AC 20 and biochar.About:
This article is published in Chemical Engineering Journal.The article was published on 2017-01-01. It has received 392 citations till now. The article focuses on the topics: Sorption & Desorption.read more
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Non-enzymatic reduction of Cr (VI) and it's effective biosorption using heat-inactivated biomass: a fermentation waste material
George Sebastian Antony,Abhijit Manna,Sujiritha Baskaran,Puhazhselvan Puhazhendi,Aparna Ramchary,Ayyadurai Niraikulam,Kamini Numbi Ramudu +6 more
TL;DR: The heat-inactivated biomass of Leiotrametes flavida is a suitable material for efficient Cr (VI) removal and detoxification and Thermodynamic and kinetic studies showed that the process is spontaneous at ambient temperature and followed the second-order kinetics model.
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Development of the straw biochar returning concept in China
TL;DR: Wang et al. as discussed by the authors introduced the fundamental concepts, broad applications, and underlying theory of straw biochar returning, and proposed production and modification of biochar that is application oriented to enhance its fitness for purpose as well as long-term and large-scale field study to better understand its impact on soil properties and ecotoxicology.
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Effect of nanohydroxyapatite on cadmium leaching and environmental risks under simulated acid rain.
TL;DR: The parabolic diffusion model showed that Cd-contaminated soil with NHAP remediation is harmless to humans after sufficient remediation duration, whereas the resultant concentrations from the CK treatment could be toxic.
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Towards novel building materials: High-strength nanocomposites based on graphene, graphite oxide and magnesium oxychloride
Ondřej Jankovský,Michal Lojka,Anna-Marie Lauermannová,Filip Antončík,Milena Pavlíková,Martina Záleská,Zbyšek Pavlík,Adam Pivák,David Sedmidubský +8 more
TL;DR: In this article, novel nanocomposites containing carbon-based nanomaterials and magnesium oxychlorides (MOC) were prepared and analyzed, and it was shown that the addition of nanoadditives significantly improved water resistance, even in very low concentrations.
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Removal of Zinc from Aqueous Solution by Optimized Oil Palm Empty Fruit Bunches Biochar as Low Cost Adsorbent
TL;DR: Results of the characterization of optimum product illustrated well-developed BET surface area and porous structure in optimum product which favored its sorptive ability.
References
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Journal ArticleDOI
Kinetics of Adsorption on Carbon from Solution
Walter J. Weber,J. C. Morris +1 more
TL;DR: In this paper, it was shown that the rate of adsorption of persistent organic compounds on granular carbon is quite low and the rate is partially a function of the pore size distribution of the adsorbent, of the molecular size and configuration of the solute, and of the relative electrokinetic properties of adsorbate and adsorbents.
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Sorption of dye from aqueous solution by peat
Yuh-Shan Ho,Gordon McKay +1 more
TL;DR: In this paper, the sorption of two dyes, namely Basic Blue 69 and Acid Blue 25 onto peat has been studied in terms of pseudo-second order and first order mechanisms for chemical sorption as well as an intraparticle diffusion mechanism process.
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Organic and inorganic contaminants removal from water with biochar, a renewable, low cost and sustainable adsorbent--a critical review.
TL;DR: A review of recent applications of biochars, produced from biomass pyrolysis (slow and fast), in water and wastewater treatment, and a few recommendations for further research have been made in the area of biochar development for application to water filtration.
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Bio-energy in the black
TL;DR: The precise half-life of biochar is still disputed, and this will have important implications for the value of the technology, particularly in carbon trading as mentioned in this paper, and it is not clear under what conditions, and over what period of time, biochar develops its adsorbing properties.