Assessment of the properties of aging biochar used as a substrate in constructed wetlands

Khan, Hafiz Ihsan. U.H.; Mehta, Nisarg; Zhang, Xian; Rousseau, Diederik P.L.; Ronsse, Frederik

doi:10.1016/j.chemosphere.2023.138999

Cited by 5 publications

(2 citation statements)

References 47 publications

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“…Substrates are usually made up of filter material such as sand or gravel whose main function is to remove solids. The substrate also influences bacteriological development by creating an aerobic condition thanks to the oxygen released by the roots of plants, facilitating the proliferation of microbiological biofilms, see [22][23][24] and [25]. The function of plants is to create an oxidation-reduction environment in the rhizosphere, directly influencing the removal of pollutants by transporting oxygen and regulating bacteria [26].…”

Section: Operation Of a Constructed Wetlandmentioning

confidence: 99%

Technological Innovations in the Application of Constructed Wetlands: A Review

Fernández Ramírez,

Zamora-Castro,

Sandoval-Herazo

et al. 2023

Processes

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Constructed wetlands (CWs) are highly effective in wastewater treatment and have generated lines of research with a focus on technological development and implemented innovations. This work concentrates on the most recent technical and scientific advances that have obtained optimal results in the construction of CWs using sustainable materials and the use of ornamental plants and other aquatic plants. Efficiency is also documented through models and simulation with neural networks, the use of the random forest method, and the use of software such as MODFLOW, MODPATH, and COMSOL Multiphysics. The information shown is structured by geographical area and addresses regions of Africa, Asia, Europe, North America, South America, and Oceania. It is important to consider that the optimization and innovation of CW for pollutant removal may benefit developing countries that do not have sufficient infrastructure to meet the demand for municipal and industrial wastewater.

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Section: Operation Of a Constructed Wetlandmentioning

confidence: 99%

Technological Innovations in the Application of Constructed Wetlands: A Review

Fernández Ramírez,

Zamora-Castro,

Sandoval-Herazo

et al. 2023

Processes

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“…Together with the limited increase in soil extracellular enzyme (catalase, urease, and invertase) activities after 2 years of soil amendment treatments, Zhao et al (2022) suggested that biochar and manure had the potential to alter long-term wood decomposition and nutrient flux. However, as soil organic amendments age, their effects on soil quality might also change (Joseph et al, 2021;Khan et al, 2023). The long-term impacts of biochar and manure on surface and belowground soil processes are necessary for increasing soil C sink, improving soil quality, and mitigating climate change using biochar and other organic additives.…”

Section: Introductionmentioning

confidence: 99%

Biochar and manure additions increased above‐ and belowground wood decomposition, and soil enzyme activities in a sandy loam soil

Zhao,

Page‐Dumroese,

Liu

et al. 2023

GCB Bioenergy

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While biochar and manure can provide considerable benefits to soil properties, how these amendments may alter soil microbial activity and decomposition processes remains unknown. In a split‐split‐split‐plot experiment, we amended a sandy loam soil with three rates of manure (whole plot; 0, 3, 9 Mg ha−1) and biochar (split‐plot; 0, 2.5, 10 Mg ha−1), and installed three species of wood stakes (split‐split‐split plot; triploid poplar, Populus tomentosa Carr.; trembling aspen, Populus tremuloides Michx.; and loblolly pine, Pinus taeda L.) on the soil surface and in the mineral soil (split‐split plot) to serve as a substrate for microbial degradation. Wood stakes were sampled 3 years after installation to assess decomposition rates (mass loss), and changes in wood carbon (C) and nitrogen (N). In addition, soil extracellular enzyme activities at the 0–20 cm depth were examined. Biochar alone, especially 10 Mg ha−1, increased wood stake decomposition and moisture content on the soil surface and in the mineral soil. Manure at the rate of 9 Mg ha−1 increased soil N‐acetyl‐β‐D‐glucosaminidase, α‐glucosidase, and aryl sulfatase activities by 91%, 17%, and 48% respectively. Because of the synergistic benefits of biochar and manure, we suggest that, in this climatic regime and soil texture, 10 Mg ha−1 biochar can be used for soil C sequestration and soil quality improvement, and 9 Mg ha−1 manure can be used in combination with biochar to build soil organic matter in plantations.

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Research Trend of Aging Biochar for Agro-environmental Applications: a Bibliometric Data Analysis and Visualization of the Last Decade (2011–2023)

Rahim,

Allevato,

Radicetti

et al. 2023

J Soil Sci Plant Nutr

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The copious amounts of data generated through publications play a pivotal role in advancing Science, Technology, and Policy. Additionally, they provide valuable and detailed information on research topics, emerging thematic trends, and critical issues that demand increased focus and attention. Over the last few decades, biochar has produced an extensive body of high-quality papers and played a crucial part in achieving the long-term Sustainable Development Goals of the 2030 agenda of the United Nations about “Climate Change,” “Sustainable Agriculture,” “Environmental Sustainability,” “Zero Hunger,” “Human Wellbeing,” and “Circular Bioeconomy”. However, most of the research is on biochar that has been modified or functionalized using various chemical reagents or catalysts and reported widely in peer-reviewed, high-quality journals. No prior work analyzed the bibliometric data on aging biochar with (a)biotic processes. This study presents an innovative data-driven bibliometric analysis technique and paradigm for extracting the essence of the available peer-reviewed literature data to offer new perspectives on the research opportunities and potential of aged biochar for agro-environmental applications. The bibliometric data analysis indicates that aging biochar research for agro-environmental applications received attention, advanced, and resulted in 165 high-quality publications in reputed journals between 2011 and 2023. However, it is evident that there is still a considerable need for further attention in this area. The identification of the research trends/frontiers shows that biochar production effectively employs various biomass resources, aging with different (a)biotic factors, characterization, effects on global climate change, long-term carbon sequestration in soil, soil nutrient dynamics, restoration of multi-polluted soils and sediments, and plant growth all require continuous attention both now and in the future.

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Assessment of the properties of aging biochar used as a substrate in constructed wetlands

Cited by 5 publications

References 47 publications

Technological Innovations in the Application of Constructed Wetlands: A Review

Technological Innovations in the Application of Constructed Wetlands: A Review

Biochar and manure additions increased above‐ and belowground wood decomposition, and soil enzyme activities in a sandy loam soil

Research Trend of Aging Biochar for Agro-environmental Applications: a Bibliometric Data Analysis and Visualization of the Last Decade (2011–2023)

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