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   Articles with "hydrochar" as a keyword



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Application of hydrochar and pyrochar to manure is not effective for mitigation of ammonia emissions from cattle slurry and poultry manure

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recommendations! Published in 2018 at "Biology and Fertility of Soils"

DOI: 10.1007/s00374-018-1273-x

Abstract: Nitrogen (N) loss as ammonia (NH3) from agricultural systems is one of the major sources of atmospheric pollutants and is responsible for more than 50% of global NH3 emissions. Ammonia volatilization from animal manures may… read more here.

Keywords: ammonia; cattle slurry; poultry manure; manure ... See more keywords
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Quaternary ammonium-functionalized rice straw hydrochar as efficient adsorbents for methyl orange removal from aqueous solution

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recommendations! Published in 2019 at "Clean Technologies and Environmental Policy"

DOI: 10.1007/s10098-019-01703-2

Abstract: In this study, a series of quaternary ammonium-modified hydrochars was fabricated using rice straw as raw material. The physicochemical properties of the hydrochars before and after modification were characterized by FTIR, XPS and CHN element… read more here.

Keywords: rice straw; methyl orange; ammonium; quaternary ammonium ... See more keywords
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Investigating the activation of hydrochar from sewage sludge for the removal of terbuthylazine from aqueous solutions

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recommendations! Published in 2020 at "Journal of Material Cycles and Waste Management"

DOI: 10.1007/s10163-020-01045-y

Abstract: Abstract Hydrothermal carbonization offers the opportunity to reduce the issues related to the management of sewage sludge, enhancing dewaterability and avoiding thermal treatment prior landfill disposal or incineration, as water acts as a subcritical medium… read more here.

Keywords: removal terbuthylazine; terbuthylazine aqueous; sewage sludge; sewage ... See more keywords
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Synthesis of polyaminophosphonated-functionalized hydrochar for efficient sorption of Pb(II)

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recommendations! Published in 2022 at "Environmental Science and Pollution Research"

DOI: 10.1007/s11356-022-19350-4

Abstract: Surface modification can effectively improve the ability of hydrochar to capture pollutants from wastewater. In this work, polyaminophosphonated-functionalized hydrochar (PAP-HC) was successfully synthesized by a chemical grafting approach and applied efficiently to adsorb aqueous Pb(II).… read more here.

Keywords: pap; sorption; polyaminophosphonated functionalized; functionalized hydrochar ... See more keywords
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Correlations between hydrochar properties and chemical constitution of orange peel waste during hydrothermal carbonization.

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recommendations! Published in 2018 at "Bioresource technology"

DOI: 10.1016/j.biortech.2018.06.014

Abstract: For efficient hydrothermal treatment of biomass, this study aims to figure out the correlations between complex chemical constitution of orange peel (OraPeel) as typical bio-waste and the physicochemical structure of its derived hydrochar, which could… read more here.

Keywords: hydrochar properties; constitution orange; orange peel; waste ... See more keywords
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Valorization of the liquid fraction of co-hydrothermal carbonization of mixed biomass by anaerobic digestion: Effect of the substrate to inoculum ratio and hydrochar addition.

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recommendations! Published in 2020 at "Bioresource technology"

DOI: 10.1016/j.biortech.2020.123989

Abstract: The effect of the substrate to inoculum ratio (SIR) on the anaerobic digestion (AD) of the liquid fractions (LFs) of co-hydrothermally treated mixed biomass (sewage sludge (SS) and the organic fraction of municipal solid waste… read more here.

Keywords: effect substrate; inoculum ratio; substrate inoculum; anaerobic digestion ... See more keywords
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Biowaste hydrothermal carbonization for hydrochar valorization: Skeleton structure, conversion pathways and clean biofuel applications.

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recommendations! Published in 2021 at "Bioresource technology"

DOI: 10.1016/j.biortech.2021.124686

Abstract: Hydrothermal carbonization (HTC), as one of thermal conversion techniques, shows promising commercial potential for hydrochar production from wet biowaste. This technique was re-discovered and regraded as artificial coalification to mimic natural process. In recent years,… read more here.

Keywords: biofuel; conversion; hydrothermal carbonization; skeleton structure ... See more keywords
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Hydrothermal carbonization of anaerobic granular sludge and co-pelletization of hydrochar with yard waste

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recommendations! Published in 2021 at "Bioresource Technology Reports"

DOI: 10.1016/j.biteb.2021.100691

Abstract: Abstract The aim of this study was to investigate the anaerobic granular sludge (AGS) as feedstock for hydrochar production using the hydrothermal carbonization (HTC) process. HTC experiments were conducted at 250 °C for 2 h. The hydrochar… read more here.

Keywords: hydrothermal carbonization; hydrochar; yard waste; granular sludge ... See more keywords
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Impact of hydrochar on rice paddy CH4 and N2O emissions: A comparative study with pyrochar.

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recommendations! Published in 2018 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2018.04.056

Abstract: Hydrothermal carbonization (HTC) thermally converts wet biomasses to carbon materials, dramatically reducing energy use for drying and improving solid product yield compared to pyrolysis process. However, researches regarding agricultural usage of hydrochar (HC) are limited.… read more here.

Keywords: paddy ch4; ch4 n2o; study; n2o emissions ... See more keywords
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Chemically activated hydrochar as an effective adsorbent for volatile organic compounds (VOCs).

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recommendations! Published in 2019 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2018.11.144

Abstract: Hydrochars derived from hickory wood and peanut hull through hydrothermal carbonization were activated with H3PO4 and KOH to improve their performance as a volatile organic compound (VOC) adsorbent. Polar acetone and nonpolar cyclohexane were used… read more here.

Keywords: adsorption; volatile organic; chemically activated; activated hydrochar ... See more keywords
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Novel biochar and hydrochar for the adsorption of 2-nitrophenol from aqueous solutions: An approach using the PVSDM model.

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recommendations! Published in 2020 at "Chemosphere"

DOI: 10.1016/j.chemosphere.2020.128748

Abstract: Two new adsorbents, namely avocado-based hydrochar and LDH/bone-based biochar, were developed, characterized, and applied for adsorbing 2-nitrophenol. The pore volume and surface diffusion model (PVSDM) was numerically solved for different geometries and applied to interpret… read more here.

Keywords: adsorption; biochar; model; hydrochar adsorption ... See more keywords