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- W2182782136 abstract "Background Biochar is a form of charcoal produced by the pyrolysis of biomass. The global production of biofuels is increasing necessitating an economic and environmentally sustainable solution for its waste (biochar) disposal. The addition of biochar to soils has been suggested as a method of disposal and to improve crop production, carbon sequestration and reduce greenhouse gases. Therefore, it is important to study all of the chemical and physical effects of biochar soil amendment. Preliminary data collected in the Parikh lab shows high sorption capacity of dissolved organic carbon (DOC) from water to walnut shell biochar, while wood feedstock biochar shows low sorption capacity. Previous studies show the decrease of heavy metals with the application of different types of biochar and biosolids (Namgay et al., 2010; Mohan et al., 2010). Increasing biomass pyrolysis temperature leads to high surface area, higher pH, high ash content, high aromatic, and low surface charge. In this research, the effect of biochar on the transport of heavy metals and organics in a soil ecosystem were investigated. The results of this investigation contribute to understanding of metal and organic transport on a multi spatial level (i.e.. soil aggregate to field to watershed). A possible application of this research is biochar use for remediation of contaminated soils, to prevent leaching into the water supply and harmful plant uptake (Xinde and Harris, 2010). Objectives The primary objective of this project is to examine the effects of biochar soil amendments on the transport of heavy metals which are present in soil due to the application of biosolids. In order to examine these effects, the following conditions for metal sorption were investigated: 1) nickel, copper, lead and cadmium independently to sorbent surfaces (walnut shell biochar, wood biochar, kaolinite, activated carbon) 2) nickel, copper, lead and cadmium in competition with one another to sorbent surfaces 3) nickel, copper, lead, and cadmium in competition with one another to sorbent surfaces in the presence of biosolids" @default.
- W2182782136 created "2016-06-24" @default.
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- W2182782136 date "2010-01-01" @default.
- W2182782136 modified "2023-09-27" @default.
- W2182782136 title "The Effect of Biochar on Heavy Metal Fate in Soil" @default.
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- W2182782136 hasPublicationYear "2010" @default.
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