Release kinetics of multi-nutrients from volcanic rock mining by-products: Evidences for their use as a soil remineralizer

Great quantities of stone by-products are stored alongside different exploiting mines in south Brazil, which are becoming an unsustainable environmental issue. Powder materials of andesite and dacite rocks were obtained from two mining companies of Southern Brazil. The particle size classification o...

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Autores:
Gómez Plata, leandro
Gindri Ramos, Claudete
Silva Oliveira, Marcos Leandro
Silva O., Luis F.
Tipo de recurso:
http://purl.org/coar/resource_type/c_816b
Fecha de publicación:
2020
Institución:
Corporación Universidad de la Costa
Repositorio:
REDICUC - Repositorio CUC
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eng
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Acceso en línea:
https://hdl.handle.net/11323/7294
https://repositorio.cuc.edu.co/
Palabra clave:
Multi-nutrients source
New procedure
Rock by-products
Sustainable agriculture
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dc.title.spa.fl_str_mv Release kinetics of multi-nutrients from volcanic rock mining by-products: Evidences for their use as a soil remineralizer
title Release kinetics of multi-nutrients from volcanic rock mining by-products: Evidences for their use as a soil remineralizer
spellingShingle Release kinetics of multi-nutrients from volcanic rock mining by-products: Evidences for their use as a soil remineralizer
Multi-nutrients source
New procedure
Rock by-products
Sustainable agriculture
title_short Release kinetics of multi-nutrients from volcanic rock mining by-products: Evidences for their use as a soil remineralizer
title_full Release kinetics of multi-nutrients from volcanic rock mining by-products: Evidences for their use as a soil remineralizer
title_fullStr Release kinetics of multi-nutrients from volcanic rock mining by-products: Evidences for their use as a soil remineralizer
title_full_unstemmed Release kinetics of multi-nutrients from volcanic rock mining by-products: Evidences for their use as a soil remineralizer
title_sort Release kinetics of multi-nutrients from volcanic rock mining by-products: Evidences for their use as a soil remineralizer
dc.creator.fl_str_mv Gómez Plata, leandro
Gindri Ramos, Claudete
Silva Oliveira, Marcos Leandro
Silva O., Luis F.
dc.contributor.author.spa.fl_str_mv Gómez Plata, leandro
Gindri Ramos, Claudete
Silva Oliveira, Marcos Leandro
Silva O., Luis F.
dc.subject.spa.fl_str_mv Multi-nutrients source
New procedure
Rock by-products
Sustainable agriculture
topic Multi-nutrients source
New procedure
Rock by-products
Sustainable agriculture
description Great quantities of stone by-products are stored alongside different exploiting mines in south Brazil, which are becoming an unsustainable environmental issue. Powder materials of andesite and dacite rocks were obtained from two mining companies of Southern Brazil. The particle size classification of the materials was determined by sieving. The X-ray diffraction (XRD) technique was used to identify the mineral phases of the by-products and X-ray fluorescence (XRF) was applied to determine their chemical compositions. The concentrations of calcium (Ca), potassium (K), magnesium (Mg), phosphorus (P) and silicon (Si) released by the by-products were determined by inductively coupled plasma atomic emission spectrometry (ICP-AES). Dissolution rates of andesite and dacite rocks were measured in Milli-Q water, and in solutions of 0.1 mol L−1 citric acid, and Milli-Q water acidified with 0.5 mol L−1 acetic acid, as a function of reaction times at 24–96 h (short-term), and at 96–5760 h (long-term). The solutions were agitated continuously on a mechanical rotatory shaker at room temperature. The parabolic diffusion, simplified Elovich, and power function models were applied at both time slots of solid-solution reaction. The results indicated that the relationships of quantity of released multi-nutrients were well described by power equation: ln qt = ln a + b ln t. Dissolution rates were obtained based on the release of Ca, K, Mg, P and Si at a steady state under far from equilibrium conditions. Dissolution rates of both by-products were not affected, within the experimental uncertainty, by Milli-Q water. Although the by-products dissolution rates were unaffected by Milli-Q water, its rates are increased along the time. The dissolution of the by-products minerals was significantly affected by the pH of the solutions. The multi-elements release by both by-products in 0.1 mol L−1 citric acid solution was significantly larger than another solutions, indicating that exchangeable cations were readily available in citric acid solution. The results obtained from power function model in two reaction time intervals can contribute to estimate the multi-nutrients-supplying power of by-products to soil. The present study provides both to solving an environmental issue associated with Brazilian rock exploitation and to create an alternative for soil fertilization and a more sustainable agriculture.
publishDate 2020
dc.date.accessioned.none.fl_str_mv 2020-11-12T21:15:16Z
dc.date.available.none.fl_str_mv 2020-11-12T21:15:16Z
dc.date.issued.none.fl_str_mv 2021
dc.date.embargoEnd.none.fl_str_mv 2023-01-10
dc.type.spa.fl_str_mv Pre-Publicación
dc.type.coar.spa.fl_str_mv http://purl.org/coar/resource_type/c_816b
dc.type.content.spa.fl_str_mv Text
dc.type.driver.spa.fl_str_mv info:eu-repo/semantics/preprint
dc.type.redcol.spa.fl_str_mv http://purl.org/redcol/resource_type/ARTOTR
dc.type.version.spa.fl_str_mv info:eu-repo/semantics/acceptedVersion
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dc.identifier.issn.spa.fl_str_mv 09596526
dc.identifier.uri.spa.fl_str_mv https://hdl.handle.net/11323/7294
dc.identifier.instname.spa.fl_str_mv Corporación Universidad de la Costa
dc.identifier.reponame.spa.fl_str_mv REDICUC - Repositorio CUC
dc.identifier.repourl.spa.fl_str_mv https://repositorio.cuc.edu.co/
identifier_str_mv 09596526
Corporación Universidad de la Costa
REDICUC - Repositorio CUC
url https://hdl.handle.net/11323/7294
https://repositorio.cuc.edu.co/
dc.language.iso.none.fl_str_mv eng
language eng
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spelling Gómez Plata, leandro9eb2be3c0e7b0419783f6742178232c1Gindri Ramos, Claudete5e561ef3b253a1b05b1d347c40a04029Silva Oliveira, Marcos Leandro8593f6412a0dba9dc599d10d381fe9b2Silva O., Luis F.f7614986860cc1b557bba649d78ecbb42020-11-12T21:15:16Z2020-11-12T21:15:16Z20212023-01-1009596526https://hdl.handle.net/11323/7294Corporación Universidad de la CostaREDICUC - Repositorio CUChttps://repositorio.cuc.edu.co/Great quantities of stone by-products are stored alongside different exploiting mines in south Brazil, which are becoming an unsustainable environmental issue. Powder materials of andesite and dacite rocks were obtained from two mining companies of Southern Brazil. The particle size classification of the materials was determined by sieving. The X-ray diffraction (XRD) technique was used to identify the mineral phases of the by-products and X-ray fluorescence (XRF) was applied to determine their chemical compositions. The concentrations of calcium (Ca), potassium (K), magnesium (Mg), phosphorus (P) and silicon (Si) released by the by-products were determined by inductively coupled plasma atomic emission spectrometry (ICP-AES). Dissolution rates of andesite and dacite rocks were measured in Milli-Q water, and in solutions of 0.1 mol L−1 citric acid, and Milli-Q water acidified with 0.5 mol L−1 acetic acid, as a function of reaction times at 24–96 h (short-term), and at 96–5760 h (long-term). The solutions were agitated continuously on a mechanical rotatory shaker at room temperature. The parabolic diffusion, simplified Elovich, and power function models were applied at both time slots of solid-solution reaction. The results indicated that the relationships of quantity of released multi-nutrients were well described by power equation: ln qt = ln a + b ln t. Dissolution rates were obtained based on the release of Ca, K, Mg, P and Si at a steady state under far from equilibrium conditions. Dissolution rates of both by-products were not affected, within the experimental uncertainty, by Milli-Q water. Although the by-products dissolution rates were unaffected by Milli-Q water, its rates are increased along the time. The dissolution of the by-products minerals was significantly affected by the pH of the solutions. The multi-elements release by both by-products in 0.1 mol L−1 citric acid solution was significantly larger than another solutions, indicating that exchangeable cations were readily available in citric acid solution. The results obtained from power function model in two reaction time intervals can contribute to estimate the multi-nutrients-supplying power of by-products to soil. 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