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Abstract Biochars derived from animal manures may accumulate potentially toxic metals and cause a potential risk to ecosystem. The synchrotron-based X-ray spectroscopy, sequential fractionation schemes, bioaccessibility extraction and leaching procedure were performed on poultry and swine manurederived biochars (denoted PB and SB, respectively) to evaluate the variance of speciation and activity of Cu and Zn […]

Abstract The utilization of livestock manure for biochar production has received much attention mainly due to the greenhouse gases mitigation and crop/fertilizer production. In this work, a novel biomass, horse manure, was performed at the temperature range of 673–1073 K and different residence times from 0 to 60 min by a vertical fixed-bed pyrolyzer. The thermochemical properties […]