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Preparation of nitrogen-enriched Fe-doped porous biochar using the catalytic pyrolysis of paper mill sludge
Paper mill sludge (PMS) is an abundant organic solid waste with complex composition from the pulp and paper industry. In this study, the Fe2O3 was used as a catalyst during PMS pyrolysis to reduce the emission of...
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Article
Open AccessSynergistic effect between biochar and sulfidized nano-sized zero-valent iron enhanced cadmium immobilization in a contaminated paddy soil
Biochar-based sulfidized nano-sized zero-valent iron (SNZVI/BC) can effectively immobilize cadmium (Cd) in contaminated paddy soils. However, the synergistic effects between biochar and SNZVI on Cd immobilizat...
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Article
Correction to: Patterns and determinants of microbial- and plant-derived carbon contributions to soil organic carbon in tea plantation chronosequence
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Article
Patterns and determinants of microbial- and plant-derived carbon contributions to soil organic carbon in tea plantation chronosequence
Tea plantation soils have great potential for carbon (C) sequestration because of the perennial nature of tea plants. Long-term tea plantations can lead to soil acidification. However, how the dynamics of soil...
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Article
Open AccessBiochar-supported zero-valent iron enhanced arsenic immobilization in a paddy soil: the role of soil organic matter
Arsenic (As) detoxification in polluted soils by iron-based materials can be mediated by the endogenous soil organic matter (SOM), nevertheless the mechanisms remain unclear. Herein, endogenous SOM in a paddy ...
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Article
Assessing the Efficiency and Mechanism of Copper Adsorption onto Biochars derived from Corn Straw and Cow Manure
The adsorption efficiency and mechanism of Cu2+ were qualitatively and quantitatively assessed in solution by biochar pyrolyzed at 500 ℃ (CSB500 vs. CMB500) using different agricultural wastes (corn straw vs. co...
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Agricultural Waste-Based Biochar for Soil Carbon Sequestration and Emission Reduction: Preparation, Evaluation, Application, and Mechanism
To cope with global warming caused by the disruption of CO2 balance, carbon capture and sequestration are considered to be one of the most effective solutions at present. It is of great significance for the conve...
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Article
Open AccessEngineered biochar for environmental decontamination in aquatic and soil systems: a review
Contamination of aquatic and soil systems by organic and inorganic pollutants has become a serious issue of concern worldwide. Viable and cost-effective solutions are urgently needed to mitigate the negative i...
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Article
Effects of temperature on physicochemical properties of rice straw biochar and its passivation ability to Cu2+ in soil
Biochar produced from the rice straw as a remediation material of heavy metal-contaminated soil has been extensively investigated in environmental science and technology. Biochar prepared at different temperat...
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Article
Carbon matrix of biochar from biomass modeling components facilitates electron transfer from zero-valent iron to Cr(VI)
Biochar-harbored zero-valent iron (ZVI/BC) has been extensively used to detoxify hexavalent chromium (Cr(VI)). However, the role played by biochar in promoting electron transfer of ZVI and Cr(VI) reduction was...
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Article
Accelerating interlayer charge transport of alkali metal-intercalated carbon nitride for enhanced photocatalytic hydrogen evolution
Adjusting the interlayer structure of carbon nitride is expected to adjust its physicochemical properties, thereby enhancing photocatalytic activity. In this paper, alkaline metal ion-intercalated carbon nitri...
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Article
Open AccessMagnetic Activated-ATP@Fe3O4 Nanocomposite as an Efficient Fenton-Like Heterogeneous Catalyst for Degradation of Ethidium Bromide
Magnetic attapulgite-Fe3O4 nanocomposites (ATP-Fe3O4) were prepared by coprecipitation of Fe3O4 on ATP. The composites were characterized by scanning electron microscopey, X-ray diffractometry, Brunauer-Emmett-Te...