Assessing the Potential of Using Biochar as a Soil Conditioner

Glazunova, Darina; Kuryntseva, Polina; Selivanovskaya, Svetlana; Galitskaya, Polina

doi:10.1088/1755-1315/107/1/012059

Cited by 11 publications

(7 citation statements)

References 34 publications

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“…While X-ray microtomography has been used to image biochar derived from plant-based materials (Berhanu et al 2018;Bird et al 2008;Hyväluoma et al 2018b;Jeffery et al 2015;Jones et al 2015;Schnee et al 2016), to our knowledge this is the first study using X-ray microtomography to study the structure of broiler manure biochar. Previously, scanning electron microscopy (SEM) has been used to visually study the structure of broiler manure biochar (Glazunova et al 2018;Liang et al 2016;Lima et al 2015;Qiu and Guo 2010;Song and Guo 2012). For example, the porous structures in the SEM images presented by Lima et al (2015) originate from the cellular structure of wood.…”

Section: Physical Propertiesmentioning

confidence: 99%

Fertilizer and soil conditioner value of broiler manure biochars

Keskinen

Hyväluoma

Sohlo

et al. 2019

Biochar

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Pyrolysis is an option for enhancing the sustainable management of broiler manure surpluses by producing a concentrated, hygienic char product with a fertilizer and soil conditioner value. In this study, the impacts of pyrolysis conducted at 350, 400 and 450 °C on total nutrient and harmful element concentrations in biochars derived from peat-bedded broiler manure were examined. Emphasis was placed on the availability of phosphorus (P). In addition, the pore structures of these biochars were explored using X-ray microtomography and image analysis. During pyrolysis, 35-50%, 40-55% and 35-45% of the original carbon, nitrogen and sulfur contents, respectively, of the feedstock biomass were lost as volatiles. Mineral elements, including P, were concentrated in the biochar. Although water-extractable P was found to be converted to less labile forms due to charring, the concentration effect and notable increase in sodium bicarbonate-extractable P rendered broiler manure biochars richer in total labile P in comparison with feedstock manure (7.1, 10.0, 11.1 and 14.8 g labile P kg −1 in feedstock and biochars produced at 350, 400 and 450 °C, respectively). The pore volume of the micrometer-scale porosity of the broiler manure biochar was comparable to that found earlier in wood-based biochars. In comparison with wood-based biochars, the pore structure of broiler manure biochars was more versatile, and the pore size distribution was wider. Consequently, part of the porosity was too large to store plant-available water, which may reduce the potential of broiler manure biochars to improve soil water storage capacity.

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Section: Physical Propertiesmentioning

confidence: 99%

Fertilizer and soil conditioner value of broiler manure biochars

Keskinen

Hyväluoma

Sohlo

et al. 2019

Biochar

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“…It is a low-density, carbonized material produced by the combustion of biomass at low temperatures (between 450 • C and 550 • C) with minimal oxygen content [41]. Initially associated with the issue of waste management [42,43], interest in this material has grown enormously due to its ability to improve the physical, chemical, biological, and mechanical characteristics of soil [44,45].…”

Section: Introductionmentioning

confidence: 99%

Experimental and Numerical Study of Biochar Fixed Bed Column for the Adsorption of Arsenic from Aqueous Solutions

Boni

Marzeddu

Tatti

et al. 2021

Water

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Two laboratory tests were carried out to verify the suitability of an Italian commercial biochar as an adsorbing material. The chosen contaminant, considered dissolved in groundwater, was As. The circular economic concept demands the use of such waste material. Its use has been studied in recent years on several contaminants. The possibility of using an efficient material at low cost could help the use of low-impact technologies like permeable reactive barriers (PRBs). A numerical model was used to derive the kinetic constant for two of the most used isotherms. The results are aligned with others derived from the literature, but they also indicate that the use of a large amount of biochar does not improve the efficiency of the removal. The particular origin of the biochar, together with its grain size, causes a decrease in contact time required for the adsorption. Furthermore, it is possible that a strong local decrease in the hydraulic conductibility does not allow for a correct dispersion of the flow, thereby limiting its efficiency.

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“…And this is mainly because carbon is very low release carbon, and this won't lead to carbon sequestration. All treatments received biochar showed water holding capacity improvement compared to control and increasing biochar content increased water holding content values [37][38][39]. Table 5 and 6 describe the total bacterial population and total fungi population measured by plate count technique in the soil amended with different rates of biochar from 1% till 4%.…”

Section: Resultsmentioning

confidence: 99%

Production of Biochar from Date Palm Fronds and its Effects on Soil Properties

2019

By-Products of Palm Trees and Their Applications

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Assessing the Potential of Using Biochar as a Soil Conditioner

Cited by 11 publications

References 34 publications

Fertilizer and soil conditioner value of broiler manure biochars

Fertilizer and soil conditioner value of broiler manure biochars

Experimental and Numerical Study of Biochar Fixed Bed Column for the Adsorption of Arsenic from Aqueous Solutions

Production of Biochar from Date Palm Fronds and its Effects on Soil Properties

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