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Operational control on environmental safety of potentially toxic elements during thermal conversion of metal-accumulator invasive ragweed to biochar

descriptionPublicationkeyboard_double_arrow_right Article , Journal 01 Sep 2018 China (People's Republic of) Publisher:Elsevier BVJournal:Journal of Cleaner Production, volume 195, pages 458-469 (issn: 0959-6526,

Authors: Qumber Abbas; Adel R.A. Usman; Adel R.A. Usman; Chengming Wang; Guijian Liu; Guijian Liu; Rafay Ahmed; +5 Authors

doi: 10.1016/j.jclepro.2018.05.246

Operational control on environmental safety of potentially toxic elements during thermal conversion of metal-accumulator invasive ragweed to biochar

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Abstract

Abstract Ragweed (Ambrosia artemisiifolia L.), a metal-accumulator invasive species, was pyrolyzed under a range of pyrolytic conditions to investigate their influence on immobilization and environmental safety of potentially toxic elements (PTEs) in the produced biochar. Conditions tested included temperature, retention time, heating rate, gas flow rate and particle size. Temperature and particle size had pronounced effects on product yields and physico-chemical characteristics of the produced biochar. All PTEs were enriched in the biochar, and the effect was more pronounced with higher temperature over 500 °C. However, fractionation of PTEs in biochar by following the sequential extraction process indicates that the mobile (bioavailable) fraction of most of the PTEs was transformed into more stabilized (residual) form (P

Country

China (People's Republic of)

Related Organizations

Chinese Academy of Sciences
United States
King Saud University
Saudi Arabia
Chinese Academy of Sciences
China (People's Republic of)
University of Science and Technology of China
China (People's Republic of)
King Saud University
Saudi Arabia

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Keywords

Technology, Metal-accumulating Invasive Ragweed, Environmental Sciences & Ecology, BIOMASS, Environmental, CARBON, PYROLYSIS TEMPERATURE, SURFACE-CHEMISTRY, HEAVY-METALS, Engineering, Environmental Risk, Potentially Toxic Elements, Thermal Conversion, GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY, SLOW PYROLYSIS, Science & Technology, TEMPERATURE-INDUCED CHANGES, HYDROTHERMAL TREATMENT, Biochar Characteristics, HUMAN HEALTH-RISKS, Science & Technology - Other Topics, Life Sciences & Biomedicine, Environmental Sciences, MUNICIPAL SEWAGE-SLUDGE

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	influence This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).	Top 10%
	impulse This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.	Top 1%