Articles with "doped biochar" as a keyword



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Recyclable nitrogen-doped biochar via low-temperature pyrolysis for enhanced lead(II) removal.

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Published in 2021 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2021.131666

Abstract: Facile and low-cost preparation are essential in the conversation of agricultural waste into biochar. In this work, nitrogen-doped biochar (NBC-350-0.1) was prepared by thermal decomposition of urea (urea/biochar = 0.1:1 mass ratio) at a low temperature of 350 °C.… read more here.

Keywords: adsorption; nbc 350; nitrogen doped; removal ... See more keywords
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Stoichiometric carbocatalysis via epoxide-like C-S-O configuration on sulfur-doped biochar for environmental remediation.

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Published in 2022 at "Journal of hazardous materials"

DOI: 10.1016/j.jhazmat.2022.128223

Abstract: Heteroatom doping is a promising technique to enhance biochar for effective environmental remediation. However, development of electroactive heteroatom-doped biochars, e.g., sulfur-doped biochar, has been hindered due to complex nature of non-stoichiometric biomass-derived carbon and changeable… read more here.

Keywords: epoxide like; sulfur doped; environmental remediation; doped biochar ... See more keywords
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Biohydrogen Production Amended with Nitrogen-Doped Biochar

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Published in 2021 at "Energy & Fuels"

DOI: 10.1021/acs.energyfuels.0c03405

Abstract: Conductive materials play a vital role in electron transfer during the hydrogen (H2) fermentation process. In this work, a novel nitrogen-doped biochar (NDBC) was produced from corncob to improve b... read more here.

Keywords: amended nitrogen; nitrogen doped; doped biochar; production amended ... See more keywords
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Enhanced transformation of Cr(VI) by heterocyclic-N within Nitrogen-doped biochar: Impact of surface modulatory persistent free radicals (PFRs).

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Published in 2020 at "Environmental science & technology"

DOI: 10.1021/acs.est.0c02713

Abstract: Redox processes mediated by biochar(BC) enhanced the transformation of Cr(VI), which is largely dependent on the presence of PFRs as electron donors. Natural or artificial dopants in BC's could regulate inherent carbon configuration and PFRs.… read more here.

Keywords: nitrogen; surface; surface modulatory; transformation ... See more keywords
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Magnesium Oxide Embedded Nitrogen Self-Doped Biochar Composites: Fast and High-Efficiency Adsorption of Heavy Metals in an Aqueous Solution.

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Published in 2017 at "Environmental science & technology"

DOI: 10.1021/acs.est.7b02382

Abstract: Lead (Pb) pollution in natural water bodies is an environmental concern due to toxic effects on aquatic ecosystems and human health, while adsorption is an effective approach to remove Pb from the water. Surface interactions… read more here.

Keywords: adsorption; biochar; surface; magnesium oxide ... See more keywords
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Preparation of Nitrogen Doped Biochar-Based Iron Catalyst for Enhancing Gasoline-Range Hydrocarbons Production.

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Published in 2022 at "ACS applied materials & interfaces"

DOI: 10.1021/acsami.2c14675

Abstract: Developing catalysts to obtain high space time yield (STY) of gasoline-range hydrocarbons via Fischer-Tropsch synthesis (FTS) is a huge challenge due to the restriction of Anderson-Schulz-Flory distribution. Herein, a nitrogen doped biochar-based iron catalyst was… read more here.

Keywords: nitrogen doped; iron; gasoline range; doped biochar ... See more keywords
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Comparison of different S-doped biochar materials to activate peroxymonosulfate for efficient degradation of antibiotics.

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Published in 2022 at "Chemosphere"

DOI: 10.2139/ssrn.4093875

Abstract: The goal of this work was to elucidate the ability of biochar materials prepared by different methods to degrade antibiotics by activating peroxymonosulfate (PMS). S atom was doped into biochar using diphenyl disulfide (DD), sodium… read more here.

Keywords: biochar materials; pyrocarbon; doped biochar; hpbc ... See more keywords
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Enhanced Adsorption of Sulfonamides by Attapulgite-Doped Biochar Prepared with Calcination

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Published in 2022 at "Molecules"

DOI: 10.3390/molecules27228076

Abstract: The extensive use of sulfonamides seriously threatens the safety and stability of the ecological environment. Developing green inexpensive and effective adsorbents is critically needed for the elimination of sulfonamides from wastewater. The non-modified biochar exhibited… read more here.

Keywords: adsorption; calcination; biochar; doped biochar ... See more keywords