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Assessment of possible solid-phase phosphate sorbents to mitigate eutrophication: Influence of pH and anoxia. / Mucci, Maíra (Corresponding author); Maliaka, Valentini; Noyma, Natalia Pessoa; Marinho, Marcelo Manzi; Lürling, Miquel.

In: Science of the Total Environment, Vol. 619-620, 2018, p. 1431-1440.

Research output: Contribution to journal/periodicalArticleScientificpeer-review

Harvard

Mucci, M, Maliaka, V, Noyma, NP, Marinho, MM & Lürling, M 2018, 'Assessment of possible solid-phase phosphate sorbents to mitigate eutrophication: Influence of pH and anoxia' Science of the Total Environment, vol. 619-620, pp. 1431-1440. https://doi.org/10.1016/j.scitotenv.2017.11.198

APA

Mucci, M., Maliaka, V., Noyma, N. P., Marinho, M. M., & Lürling, M. (2018). Assessment of possible solid-phase phosphate sorbents to mitigate eutrophication: Influence of pH and anoxia. Science of the Total Environment, 619-620, 1431-1440. https://doi.org/10.1016/j.scitotenv.2017.11.198

Vancouver

Author

Mucci, Maíra ; Maliaka, Valentini ; Noyma, Natalia Pessoa ; Marinho, Marcelo Manzi ; Lürling, Miquel. / Assessment of possible solid-phase phosphate sorbents to mitigate eutrophication: Influence of pH and anoxia. In: Science of the Total Environment. 2018 ; Vol. 619-620. pp. 1431-1440.

BibTeX

@article{500715200ab64d98a8e6befae0f95f71,
title = "Assessment of possible solid-phase phosphate sorbents to mitigate eutrophication: Influence of pH and anoxia",
abstract = "Managing eutrophication remains a challenge to water managers. Currently, the manipulation of biogeochemical processes (i.e., geo-engineering) by using phosphorus-adsorptive techniques has been recognized as an appropriate tool to manage the problem. The first step in finding potential mitigating materials is conducting a sequence of upscaling studies that commence with controlled laboratory experiments. Here, the abilities of 10 possible solid–phase-sorbents (SPS) to adsorb P were examined. Four materials adsorbed P, and two of these materials were modified, i.e., a lanthanum-modified-bentonite (LMB) and an aluminum-modified-zeolite (AMZ), and had the highest adsorption capacities of 11.4 and 8.9mgPg−1, respectively. Two natural materials, a red soil (RS) and a bauxite (BAU), were less efficient with adsorption capacities of 2.9 and 3.4mgPg−1, respectively. Elemental composition was not related to P adsorption. Since SPS might be affected by pH and redox status, we also tested these materials at pH values of 6, 7, 8 and 9 and under anoxic condition. All tested materials experienced decreased adsorption capacities under anoxic condition, with maximum adsorptions of 5.3mgPg−1 for LMB, 5.9mgPg−1 for AMZ, 0.2mgPg−1 for RS and 0.2mgPg−1 for BAU. All materials were able to adsorb P across the range of pH values that were tested. The maximum adsorption capacities of LMB and RS were highest at pH6, AMZ was higher at a pH of 9 and BAU at a pH of 8. Thus, pH influenced P adsorption differently. Given the effects of pH and anoxia, other abiotic variables should also be considered. Considering the criteria that classify a useful SPS (i.e., effective, easy to produce, cheap and safe), only the two modified materials that were tested seem to be suitable for upscaling to enclosure studies with anoxic sediments.",
keywords = "hosphate adsorption, eo-engineering, hosphorus control, international",
author = "Ma{\'i}ra Mucci and Valentini Maliaka and Noyma, {Natalia Pessoa} and Marinho, {Marcelo Manzi} and Miquel L{\"u}rling",
note = "6516, AqE; Data archiving: data propertt of and archived at WUR",
year = "2018",
doi = "10.1016/j.scitotenv.2017.11.198",
language = "English",
volume = "619-620",
pages = "1431--1440",
journal = "Science of the Total Environment",
issn = "0048-9697",
publisher = "Elsevier",

}

RIS

TY - JOUR

T1 - Assessment of possible solid-phase phosphate sorbents to mitigate eutrophication: Influence of pH and anoxia

AU - Mucci, Maíra

AU - Maliaka, Valentini

AU - Noyma, Natalia Pessoa

AU - Marinho, Marcelo Manzi

AU - Lürling, Miquel

N1 - 6516, AqE; Data archiving: data propertt of and archived at WUR

PY - 2018

Y1 - 2018

N2 - Managing eutrophication remains a challenge to water managers. Currently, the manipulation of biogeochemical processes (i.e., geo-engineering) by using phosphorus-adsorptive techniques has been recognized as an appropriate tool to manage the problem. The first step in finding potential mitigating materials is conducting a sequence of upscaling studies that commence with controlled laboratory experiments. Here, the abilities of 10 possible solid–phase-sorbents (SPS) to adsorb P were examined. Four materials adsorbed P, and two of these materials were modified, i.e., a lanthanum-modified-bentonite (LMB) and an aluminum-modified-zeolite (AMZ), and had the highest adsorption capacities of 11.4 and 8.9mgPg−1, respectively. Two natural materials, a red soil (RS) and a bauxite (BAU), were less efficient with adsorption capacities of 2.9 and 3.4mgPg−1, respectively. Elemental composition was not related to P adsorption. Since SPS might be affected by pH and redox status, we also tested these materials at pH values of 6, 7, 8 and 9 and under anoxic condition. All tested materials experienced decreased adsorption capacities under anoxic condition, with maximum adsorptions of 5.3mgPg−1 for LMB, 5.9mgPg−1 for AMZ, 0.2mgPg−1 for RS and 0.2mgPg−1 for BAU. All materials were able to adsorb P across the range of pH values that were tested. The maximum adsorption capacities of LMB and RS were highest at pH6, AMZ was higher at a pH of 9 and BAU at a pH of 8. Thus, pH influenced P adsorption differently. Given the effects of pH and anoxia, other abiotic variables should also be considered. Considering the criteria that classify a useful SPS (i.e., effective, easy to produce, cheap and safe), only the two modified materials that were tested seem to be suitable for upscaling to enclosure studies with anoxic sediments.

AB - Managing eutrophication remains a challenge to water managers. Currently, the manipulation of biogeochemical processes (i.e., geo-engineering) by using phosphorus-adsorptive techniques has been recognized as an appropriate tool to manage the problem. The first step in finding potential mitigating materials is conducting a sequence of upscaling studies that commence with controlled laboratory experiments. Here, the abilities of 10 possible solid–phase-sorbents (SPS) to adsorb P were examined. Four materials adsorbed P, and two of these materials were modified, i.e., a lanthanum-modified-bentonite (LMB) and an aluminum-modified-zeolite (AMZ), and had the highest adsorption capacities of 11.4 and 8.9mgPg−1, respectively. Two natural materials, a red soil (RS) and a bauxite (BAU), were less efficient with adsorption capacities of 2.9 and 3.4mgPg−1, respectively. Elemental composition was not related to P adsorption. Since SPS might be affected by pH and redox status, we also tested these materials at pH values of 6, 7, 8 and 9 and under anoxic condition. All tested materials experienced decreased adsorption capacities under anoxic condition, with maximum adsorptions of 5.3mgPg−1 for LMB, 5.9mgPg−1 for AMZ, 0.2mgPg−1 for RS and 0.2mgPg−1 for BAU. All materials were able to adsorb P across the range of pH values that were tested. The maximum adsorption capacities of LMB and RS were highest at pH6, AMZ was higher at a pH of 9 and BAU at a pH of 8. Thus, pH influenced P adsorption differently. Given the effects of pH and anoxia, other abiotic variables should also be considered. Considering the criteria that classify a useful SPS (i.e., effective, easy to produce, cheap and safe), only the two modified materials that were tested seem to be suitable for upscaling to enclosure studies with anoxic sediments.

KW - hosphate adsorption

KW - eo-engineering

KW - hosphorus control

KW - international

U2 - 10.1016/j.scitotenv.2017.11.198

DO - 10.1016/j.scitotenv.2017.11.198

M3 - Article

VL - 619-620

SP - 1431

EP - 1440

JO - Science of the Total Environment

JF - Science of the Total Environment

SN - 0048-9697

ER -

ID: 6508334