Increasing plant phosphorus availability in thermally treated sewage sludge by post-process oxidation and particle size management

Research output: Contribution to journal › Journal article › Research › peer-review

Standard

Increasing plant phosphorus availability in thermally treated sewage sludge by post-process oxidation and particle size management. / Müller-Stöver, Dorette; Thompson, Rhys; Lu, Changyong; Thomsen, Tobias Pape; Glaesner, Nadia; Bruun, Sander.

In: Waste Management, Vol. 120, 2021, p. 716-724.

Research output: Contribution to journal › Journal article › Research › peer-review

Harvard

Müller-Stöver, D, Thompson, R, Lu, C, Thomsen, TP, Glaesner, N & Bruun, S 2021, 'Increasing plant phosphorus availability in thermally treated sewage sludge by post-process oxidation and particle size management', Waste Management, vol. 120, pp. 716-724. https://doi.org/10.1016/j.wasman.2020.10.034

APA

Müller-Stöver, D., Thompson, R., Lu, C., Thomsen, T. P., Glaesner, N., & Bruun, S. (2021). Increasing plant phosphorus availability in thermally treated sewage sludge by post-process oxidation and particle size management. Waste Management, 120, 716-724. https://doi.org/10.1016/j.wasman.2020.10.034

Vancouver

Müller-Stöver D, Thompson R, Lu C, Thomsen TP, Glaesner N, Bruun S. Increasing plant phosphorus availability in thermally treated sewage sludge by post-process oxidation and particle size management. Waste Management. 2021;120:716-724. https://doi.org/10.1016/j.wasman.2020.10.034

Author

Müller-Stöver, Dorette ; Thompson, Rhys ; Lu, Changyong ; Thomsen, Tobias Pape ; Glaesner, Nadia ; Bruun, Sander. / Increasing plant phosphorus availability in thermally treated sewage sludge by post-process oxidation and particle size management. In: Waste Management. 2021 ; Vol. 120. pp. 716-724.

Bibtex

@article{d6b7433aaf314315a4fcdeae63efcbe7,
title = "Increasing plant phosphorus availability in thermally treated sewage sludge by post-process oxidation and particle size management",
abstract = "Thermal conversion of phosphorus (P)-rich waste materials such as sewage sludge offers several advantages: generation of bioenergy, concentration of plant nutrients and the destruction of organic pollutants. Different thermal processes modify the feedstock's chemical and physical structure in differing ways, which also affects P speciation and plant availability in the residual ashes or carbonization products. This study assessed to which extent the P plant availability of ashes and chars produced from one batch of sewage sludge by incineration, pyrolysis or gasification was affected by particle size management and post-process oxidation. Overall, a smaller particle size of the materials as well as post-process oxidation of non-oxidized materials increased the amount of plant-available P in the soil. In a pot experiment, all the materials increased plant biomass compared with the untreated control, but the pyrolysis chars had a substantially greater fertiliser value than the gasification ashes, while the two tested incineration ashes differed in their P fertilizing effect. P availability in non-oxidized materials was partly related to lower process temperatures and lower levels of crystallinity. However, downstream oxidation simultaneously increased crystallinity and P availability in a pyrolysis char and gasification ashes, resulting in an increase in plant P uptake of up to 60%. Results indicate that the oxidation of poorly soluble Fe-phosphates may contribute to the positive effect on P availability. The results suggest that changes to the design and settings of the thermal conversion processes of sewage sludge offer considerable potential for improving P availability in the residual material. (C) 2020 Elsevier Ltd. All rights reserved.",
keywords = "Sewage sludge, Phosphorus fertiliser, Pyrolysis, Gasification, Incineration, TOXIC LEVELS, SOIL, INCINERATION, ASH, PYROLYSIS, RECOVERY, BIOCHAR, BIOAVAILABILITY, GASIFICATION, SPECIATION",
author = "Dorette M{\"u}ller-St{\"o}ver and Rhys Thompson and Changyong Lu and Thomsen, {Tobias Pape} and Nadia Glaesner and Sander Bruun",
year = "2021",
doi = "10.1016/j.wasman.2020.10.034",
language = "English",
volume = "120",
pages = "716--724",
journal = "Waste Management",
issn = "0956-053X",
publisher = "Pergamon Press",

}

RIS

TY - JOUR

T1 - Increasing plant phosphorus availability in thermally treated sewage sludge by post-process oxidation and particle size management

AU - Müller-Stöver, Dorette

AU - Thompson, Rhys

AU - Lu, Changyong

AU - Thomsen, Tobias Pape

AU - Glaesner, Nadia

AU - Bruun, Sander

PY - 2021

Y1 - 2021

N2 - Thermal conversion of phosphorus (P)-rich waste materials such as sewage sludge offers several advantages: generation of bioenergy, concentration of plant nutrients and the destruction of organic pollutants. Different thermal processes modify the feedstock's chemical and physical structure in differing ways, which also affects P speciation and plant availability in the residual ashes or carbonization products. This study assessed to which extent the P plant availability of ashes and chars produced from one batch of sewage sludge by incineration, pyrolysis or gasification was affected by particle size management and post-process oxidation. Overall, a smaller particle size of the materials as well as post-process oxidation of non-oxidized materials increased the amount of plant-available P in the soil. In a pot experiment, all the materials increased plant biomass compared with the untreated control, but the pyrolysis chars had a substantially greater fertiliser value than the gasification ashes, while the two tested incineration ashes differed in their P fertilizing effect. P availability in non-oxidized materials was partly related to lower process temperatures and lower levels of crystallinity. However, downstream oxidation simultaneously increased crystallinity and P availability in a pyrolysis char and gasification ashes, resulting in an increase in plant P uptake of up to 60%. Results indicate that the oxidation of poorly soluble Fe-phosphates may contribute to the positive effect on P availability. The results suggest that changes to the design and settings of the thermal conversion processes of sewage sludge offer considerable potential for improving P availability in the residual material. (C) 2020 Elsevier Ltd. All rights reserved.

AB - Thermal conversion of phosphorus (P)-rich waste materials such as sewage sludge offers several advantages: generation of bioenergy, concentration of plant nutrients and the destruction of organic pollutants. Different thermal processes modify the feedstock's chemical and physical structure in differing ways, which also affects P speciation and plant availability in the residual ashes or carbonization products. This study assessed to which extent the P plant availability of ashes and chars produced from one batch of sewage sludge by incineration, pyrolysis or gasification was affected by particle size management and post-process oxidation. Overall, a smaller particle size of the materials as well as post-process oxidation of non-oxidized materials increased the amount of plant-available P in the soil. In a pot experiment, all the materials increased plant biomass compared with the untreated control, but the pyrolysis chars had a substantially greater fertiliser value than the gasification ashes, while the two tested incineration ashes differed in their P fertilizing effect. P availability in non-oxidized materials was partly related to lower process temperatures and lower levels of crystallinity. However, downstream oxidation simultaneously increased crystallinity and P availability in a pyrolysis char and gasification ashes, resulting in an increase in plant P uptake of up to 60%. Results indicate that the oxidation of poorly soluble Fe-phosphates may contribute to the positive effect on P availability. The results suggest that changes to the design and settings of the thermal conversion processes of sewage sludge offer considerable potential for improving P availability in the residual material. (C) 2020 Elsevier Ltd. All rights reserved.

KW - Sewage sludge

KW - Phosphorus fertiliser

KW - Pyrolysis

KW - Gasification

KW - Incineration

KW - TOXIC LEVELS

KW - SOIL

KW - INCINERATION

KW - ASH

KW - PYROLYSIS

KW - RECOVERY

KW - BIOCHAR

KW - BIOAVAILABILITY

KW - GASIFICATION

KW - SPECIATION

U2 - 10.1016/j.wasman.2020.10.034

DO - 10.1016/j.wasman.2020.10.034

M3 - Journal article

C2 - 33199241

VL - 120

SP - 716

EP - 724

JO - Waste Management

JF - Waste Management

SN - 0956-053X

ER -

ID: 255681786