Identification of mercury and nanoparticles in roots with different oxidation states of an abandoned coal mine

The morphology and composition of roots with different degrees of oxidation as a function of time were evaluated aiming to identify possible hazardous elements and nanoparticles. The roots were obtained from an abandoned coal mine located in the city of Criciúma, Santa Catarina, Brazil. From the roo...

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Autores:
Saraiva, Felipe Oliveira Silva
OLIVEIRA DA SILVA, LEANDRO
Gonçalves de Oliveira, Janaína
Dotto, Guilherme Luiz
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
Idioma:
eng
OAI Identifier:
oai:repositorio.cuc.edu.co:11323/6221
Acceso en línea:
https://hdl.handle.net/11323/6221
https://repositorio.cuc.edu.co/
Palabra clave:
Morphology
Composition of roots
Nanoparticles
Criciúma
Brazil
Rights
closedAccess
License
CC0 1.0 Universal
id RCUC2_0c5f3432e6d2c552052c5e148ea40fb9
oai_identifier_str oai:repositorio.cuc.edu.co:11323/6221
network_acronym_str RCUC2
network_name_str REDICUC - Repositorio CUC
repository_id_str
dc.title.spa.fl_str_mv Identification of mercury and nanoparticles in roots with different oxidation states of an abandoned coal mine
title Identification of mercury and nanoparticles in roots with different oxidation states of an abandoned coal mine
spellingShingle Identification of mercury and nanoparticles in roots with different oxidation states of an abandoned coal mine
Morphology
Composition of roots
Nanoparticles
Criciúma
Brazil
title_short Identification of mercury and nanoparticles in roots with different oxidation states of an abandoned coal mine
title_full Identification of mercury and nanoparticles in roots with different oxidation states of an abandoned coal mine
title_fullStr Identification of mercury and nanoparticles in roots with different oxidation states of an abandoned coal mine
title_full_unstemmed Identification of mercury and nanoparticles in roots with different oxidation states of an abandoned coal mine
title_sort Identification of mercury and nanoparticles in roots with different oxidation states of an abandoned coal mine
dc.creator.fl_str_mv Saraiva, Felipe Oliveira Silva
OLIVEIRA DA SILVA, LEANDRO
Gonçalves de Oliveira, Janaína
Dotto, Guilherme Luiz
dc.contributor.author.spa.fl_str_mv Saraiva, Felipe Oliveira Silva
OLIVEIRA DA SILVA, LEANDRO
Gonçalves de Oliveira, Janaína
Dotto, Guilherme Luiz
dc.subject.spa.fl_str_mv Morphology
Composition of roots
Nanoparticles
Criciúma
Brazil
topic Morphology
Composition of roots
Nanoparticles
Criciúma
Brazil
description The morphology and composition of roots with different degrees of oxidation as a function of time were evaluated aiming to identify possible hazardous elements and nanoparticles. The roots were obtained from an abandoned coal mine located in the city of Criciúma, Santa Catarina, Brazil. From the roots, analyses were performed to identify nanoparticles (NPs) and ultrafine particles (UFPs), containing possible hazardous elements (PHEs) that cause potential environmental risks and impacts on human health. The identification of nanoscale materials requires greater robustness, so advanced integrated techniques have been used. The characterization of different types of roots was done by using focused ion beam (FIB), to evaluate nano-compound assemblies with high-resolution transmission electron microscopy/energy dispersive spectroscopy (HR-TEM/EDS). The results showed the presence of NPs containing Hg, Co, Cr, Ni, and V. The presence of these elements has increased consistently with the increase of C concentration in the roots, suggesting that the PHEs were gradually released from organic matter and inorganic minerals of coal. However, even with their decrease in roots, it was found that these elements still remained in the soil in significant quantities, even after 15 years of inactivation of the coal mine.
publishDate 2020
dc.date.accessioned.none.fl_str_mv 2020-04-18T22:50:23Z
dc.date.available.none.fl_str_mv 2020-04-18T22:50:23Z
dc.date.issued.none.fl_str_mv 2020
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
format http://purl.org/coar/resource_type/c_816b
status_str acceptedVersion
dc.identifier.uri.spa.fl_str_mv https://hdl.handle.net/11323/6221
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/
url https://hdl.handle.net/11323/6221
https://repositorio.cuc.edu.co/
identifier_str_mv Corporación Universidad de la Costa
REDICUC - Repositorio CUC
dc.language.iso.none.fl_str_mv eng
language eng
dc.relation.references.spa.fl_str_mv Agudelo-Castañeda DM, Teixeira EC, Schneider IL, Lara SR, Silva LF (2017) Exposure to polycyclic aromatic hydrocarbons in atmospheric PM 1.0 of urban environments: carcinogenic and mutagenic respiratory health risk by age groups. Environ Pollut 224:158–170
Alves CA, Font O, Moreno N, Vicente ED, Duarte M, Tarelho LAC, Querol X (2019) Mineralogical, chemical and leaching characteristics of ashes from residential biomass combustion. Environ Sci Pollut Res 26:22688
Dalmora AC, Ramos CG, Oliveira MLS, Teixeira EC, Kautzmann RM, Tafarel SR, Brum IAS, Silva LFO (2016) Chemical characterization, nano–particle mineralogy and particle size distribution of basalt dust wastes. Sci Total Environ 539:560–565
Forstner C, Orton TG, Skarshewski A, Wang P, Kopittke PM, Dennis PG (2019) Effects of graphene oxide and graphite on soil bacterial and fungal diversity. Sci Total Environ 671:140–148
Gredilla A, Vallejuelo FS, Rodriguez-Iruretagoiena A, Gomez L, Oliveira MLS, Arana G, Diego A, Madariaga JM, Silva LFO (2019) Evidence of mercury sequestration by carbon nanotubes and nanominerals present in agricultural soils from a coal fired power plant exhaust. J Hazard Mater 378:120747
Hower JC, O’Keefe JMK, Henke KR, Wagner NJ, Copley G, Blake DR, Garrison TM, Oliveira MLS, Kautzmann RM, Silva LFO (2013) Gaseous emissions from the Truman Shepherd coal fire, Floyd County, Kentucky: a re–investigation following attempted mitigation of the fire. Int J Coal Geol 116:63–74
Kousi P, Remoundaki E, Hatzikioseyian A, Korkovelou V, Tsezos M (2018) Fractionation and leachability of Fe, Zn, Cu and Ni in the sludge from a sulphate-reducing bioreactor treating metal-bearing wastewater. Environ Sci Pollut Res 25:35883
León-Mejía G, Machado MN, Okuro RT, Silva LFO, Telles C, Dias J, Niekraszewicz L, Silva J, Henriques JAP, Zin WA (2018) Intratracheal instillation of coal and coal fly ash particles in mice induces dna damage and translocation of metals to extrapulmonary tissues. Sci Total Environ 625:589–599
Ministério das Minas e Energia (2010) Plano Nacional de Mineração 2030 (PMN–2030). Brasília: MME
Oliveira MLS, Ward CR, French D, Hower JC, Querol X, Silva LFO (2012) Mineralogy and leaching characteristics of beneficiated coal products from Santa Catarina, Brazil. Int J Coal Geol 94:314–325
Oliveira MLS, Ward CR, Sampaio CH, Querol X, Cutruneo CMNL, Taffarel SR, Silva LFO (2013) Partitioning of mineralogical and inorganic geochemical components of coals from Santa Catarina, Brazil, by industrial beneficiation processes. Int J Coal Geol 116:75–92
Oliveira MLS, Da Boit K, Schneider I, Teixeira E, Crissien T, Silva LFO (2018) Study of coal cleaning rejects by FIB and sample preparation for HR–TEM: mineral surface chemistry and nanoparticle–aggregation control for health studies. J Clean Prod 188:662–669
Oliveira MLS, Saikia BK, Boit K, Pinto D, Tutikian BF, Silva LFO (2019) River dynamics and nanoparticles formation: a comprehensive study on the nanoparticle geochemistry of suspended sediments in the Magdalena River. Caribbean Industrial Area. J Clean Prod 213:819–824
Ottesen RT, Birke M, Finne TE, Gosar M, Locutura J, Reimann C, Tarvainen T (2013) Mercury in European agricultural and grazing land soils. Appl Geochem 33:1–12
Qiu G, Feng X, Wang S, Shang L (2005) Mercury and methylmercury in riparian soil, sediments, mine–waste calcines, and moss from abandoned Hg mines in east Guizhou province, southwestern China. Appl Geochem 20:627–638
Quispe D, Perez-Lopez R, Silva LFO, Nieto JM (2012) Changes in mobility of hazardous elements during coal combustion in Santa Catarina power plant (Brazil). Fuel 94:495–503
Raj D, Chowdhury A, Maiti SK (2017) Ecological risk assessment of mercury and other heavy metals in soils of coal mining area: a case study from the eastern part of a Jharia coal field, India. Hum Ecol Risk Assess 23:767–787
Ribeiro J, Flores D, Ward C, Silva LFO (2010) Identification of nanominerals and nanoparticles in burning coal waste piles from Portugal. Sci Total Environ 408:6032–6041
Ribeiro J, Silva T, Filho JCM, Flores D (2012) Polycyclic aromatic hydrocarbons (PAHs) in burning and non–burning coal waste piles. J Hazard Mater 199:105–110
Ribeiro J, Daboit K, Flores D, Kronbauer MA, Silva LFO (2013) Extensive FE–SEM/EDS, HR–TEM/EDS and TOF–SIMS studies of micron–to nanoparticles in anthracite fly ash. Sci Total Environ 452–453:98–107
Rodriguez-Iruretagoiena A, Vallejuelo SOF, Gredilla A, Ramos CG, Oliveira MLS, Arana G, Diego A, Madariaga JM, Silva LFO (2015) Fate of hazardous elements in agricultural soils surrounding a coal power plant complex from Santa Catarina (Brazil). Sci Total Environ 508:374–382
Rodriguez-Iruretagoiena A, Vallejuelo SOF, Diego A, De Leão FB, Medeiros D, Oliveira MLS, Tafarel SR, Arana G, Madariaga JM, Silva LFO (2016) The mobilization of hazardous elements after a tropical storm event in a polluted estuary. Sci Total Environ 565:721–729
Saikia BK, Ward CR, Oliveira MLS, Hower JC, Leao F, Johnston M, Obryan A, Sharma A, Baruah B, Silva LFO (2015) Geochemistry and nano–mineralogy of feed coals, mine overburden, and coal–derived fly ashes from Assam (North–East India): a multi–faceted analytical approach. Int J Coal Geol 137:19–37
Saikia BK, Dalmora AC, Choudhury R, Tafarel SR, Silva LFO (2016) Effective removal of sulfur components from Brazilian power–coals by ultrasonication (40KHz) in presence of H2O2. Ultrason Sonochem 32:147–157
Saikia BK, Saikia J, Rabha S, Silva LFO, Finkelman R (2018) Ambient nanoparticles/nanominerals and hazardous elements from coal combustion activity: implications on energy challenges and health hazards. Geosci Front 9:863–875
Sakulthaew C, Comfort S, Chokejaroenrat C, Harris C, Li X (2014) A combined chemical and biological approach to transforming and mineralizing PAHs in runoff water. Chemosphere 117:1–9
Sehn JL, De Leão FB, Da Boit K, Oliveira MLS, Hidalgo GE, Sampaio CH, Silva LFO (2016) Nanomineralogy in the real world: a perspective on nanoparticles in the environmental impacts of coal fire. Chemosphere. 147:439–443
Silva LFO, Oliveira MLS, Boit KM, Finkelman RB (2009) Characterization of Santa Catarina (Brazil) coal with respect to human health and environmental concerns. Environ Geochem Health 31:475–485
Silva LFO, Izquierdo M, Querol X, Finkelman RB, Oliveira MLS, Wollenschlager M, Towler M, Pérez-López R, Macias F (2011a) Leaching of potential hazardous elements of coal cleaning rejects. Environ Monit Assess 175:109–126
Silva LFO, Macias F, Oliveira MLS, da Boit KM, Waanders F (2011b) Coal cleaning residues and Fe–minerals implications. Environ Monit Assess 172:367–378
(U.S. Environmental Protection Agency EPA) (2006) www.epa.gov/mercury
Vallejuelo SFO, Gredilla A, Da Boit K, Teixeira EC, Sampaio CH, Madariaga JM, Silva LFO (2017) Nanominerals and potentially hazardous elements from coal cleaning rejects of abandoned mines: environmental impact and risk assessment. Chemosphere 169:725–733
Wilcox J, Wang B, Rupp E, Taggart R, Hsu-Kim H, Oliveira MLS, Rupp E, Taggart R, Hsu-kim H, Oliveira MLS, Cutruneo CMNL, Taffarel SR, Silva LFO, Hopps SD, Thomas GA, Hower JC (2015) Observations and assessment of fly ashes from high–sulfur bituminous coals and blends of high–sulfur bituminous and subbituminous coals: environmental processes recorded at the macro and nanometer scale. Energy Fuel 29:7168–7177
Xiong T, Yuan X, Wang H, Leng L, Li H, Wu Z, Jiang L, Xu R, Zeng G (2018) Implication of graphene oxide in Cd-contaminated soil: a case study of bacterial communities. J Environ Manag 205:99–106
Zhou Y, Aamir M, Liu K, Yang F, Liu W (2018) Status of mercury accumulation in agricultural soil across China: spatial distribution, temporal trend, influencing factor and risk assessment. Environ Pollut 240:116–124
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spelling Saraiva, Felipe Oliveira SilvaOLIVEIRA DA SILVA, LEANDROGonçalves de Oliveira, JanaínaDotto, Guilherme Luiz2020-04-18T22:50:23Z2020-04-18T22:50:23Z2020https://hdl.handle.net/11323/6221Corporación Universidad de la CostaREDICUC - Repositorio CUChttps://repositorio.cuc.edu.co/The morphology and composition of roots with different degrees of oxidation as a function of time were evaluated aiming to identify possible hazardous elements and nanoparticles. The roots were obtained from an abandoned coal mine located in the city of Criciúma, Santa Catarina, Brazil. From the roots, analyses were performed to identify nanoparticles (NPs) and ultrafine particles (UFPs), containing possible hazardous elements (PHEs) that cause potential environmental risks and impacts on human health. The identification of nanoscale materials requires greater robustness, so advanced integrated techniques have been used. The characterization of different types of roots was done by using focused ion beam (FIB), to evaluate nano-compound assemblies with high-resolution transmission electron microscopy/energy dispersive spectroscopy (HR-TEM/EDS). The results showed the presence of NPs containing Hg, Co, Cr, Ni, and V. The presence of these elements has increased consistently with the increase of C concentration in the roots, suggesting that the PHEs were gradually released from organic matter and inorganic minerals of coal. However, even with their decrease in roots, it was found that these elements still remained in the soil in significant quantities, even after 15 years of inactivation of the coal mine.Saraiva, Felipe Oliveira Silva-will be generated-orcid-0000-0002-6074-9377-600OLIVEIRA DA SILVA, LEANDRO-will be generated-orcid-0000-0003-4176-8289-600Gonçalves de Oliveira, Janaína-will be generated-orcid-0000-0002-4036-7347-600Dotto, Guilherme Luiz-will be generated-orcid-0000-0002-4413-8138-600engUniversidad de la CostaCC0 1.0 Universalhttp://creativecommons.org/publicdomain/zero/1.0/info:eu-repo/semantics/closedAccesshttp://purl.org/coar/access_right/c_14cbMorphologyComposition of rootsNanoparticlesCriciúmaBrazilIdentification of mercury and nanoparticles in roots with different oxidation states of an abandoned coal minePre-Publicaciónhttp://purl.org/coar/resource_type/c_816bTextinfo:eu-repo/semantics/preprinthttp://purl.org/redcol/resource_type/ARTOTRinfo:eu-repo/semantics/acceptedVersionAgudelo-Castañeda DM, Teixeira EC, Schneider IL, Lara SR, Silva LF (2017) Exposure to polycyclic aromatic hydrocarbons in atmospheric PM 1.0 of urban environments: carcinogenic and mutagenic respiratory health risk by age groups. Environ Pollut 224:158–170Alves CA, Font O, Moreno N, Vicente ED, Duarte M, Tarelho LAC, Querol X (2019) Mineralogical, chemical and leaching characteristics of ashes from residential biomass combustion. Environ Sci Pollut Res 26:22688Dalmora AC, Ramos CG, Oliveira MLS, Teixeira EC, Kautzmann RM, Tafarel SR, Brum IAS, Silva LFO (2016) Chemical characterization, nano–particle mineralogy and particle size distribution of basalt dust wastes. Sci Total Environ 539:560–565Forstner C, Orton TG, Skarshewski A, Wang P, Kopittke PM, Dennis PG (2019) Effects of graphene oxide and graphite on soil bacterial and fungal diversity. Sci Total Environ 671:140–148Gredilla A, Vallejuelo FS, Rodriguez-Iruretagoiena A, Gomez L, Oliveira MLS, Arana G, Diego A, Madariaga JM, Silva LFO (2019) Evidence of mercury sequestration by carbon nanotubes and nanominerals present in agricultural soils from a coal fired power plant exhaust. J Hazard Mater 378:120747Hower JC, O’Keefe JMK, Henke KR, Wagner NJ, Copley G, Blake DR, Garrison TM, Oliveira MLS, Kautzmann RM, Silva LFO (2013) Gaseous emissions from the Truman Shepherd coal fire, Floyd County, Kentucky: a re–investigation following attempted mitigation of the fire. Int J Coal Geol 116:63–74Kousi P, Remoundaki E, Hatzikioseyian A, Korkovelou V, Tsezos M (2018) Fractionation and leachability of Fe, Zn, Cu and Ni in the sludge from a sulphate-reducing bioreactor treating metal-bearing wastewater. Environ Sci Pollut Res 25:35883León-Mejía G, Machado MN, Okuro RT, Silva LFO, Telles C, Dias J, Niekraszewicz L, Silva J, Henriques JAP, Zin WA (2018) Intratracheal instillation of coal and coal fly ash particles in mice induces dna damage and translocation of metals to extrapulmonary tissues. Sci Total Environ 625:589–599Ministério das Minas e Energia (2010) Plano Nacional de Mineração 2030 (PMN–2030). Brasília: MMEOliveira MLS, Ward CR, French D, Hower JC, Querol X, Silva LFO (2012) Mineralogy and leaching characteristics of beneficiated coal products from Santa Catarina, Brazil. Int J Coal Geol 94:314–325Oliveira MLS, Ward CR, Sampaio CH, Querol X, Cutruneo CMNL, Taffarel SR, Silva LFO (2013) Partitioning of mineralogical and inorganic geochemical components of coals from Santa Catarina, Brazil, by industrial beneficiation processes. Int J Coal Geol 116:75–92Oliveira MLS, Da Boit K, Schneider I, Teixeira E, Crissien T, Silva LFO (2018) Study of coal cleaning rejects by FIB and sample preparation for HR–TEM: mineral surface chemistry and nanoparticle–aggregation control for health studies. J Clean Prod 188:662–669Oliveira MLS, Saikia BK, Boit K, Pinto D, Tutikian BF, Silva LFO (2019) River dynamics and nanoparticles formation: a comprehensive study on the nanoparticle geochemistry of suspended sediments in the Magdalena River. Caribbean Industrial Area. J Clean Prod 213:819–824Ottesen RT, Birke M, Finne TE, Gosar M, Locutura J, Reimann C, Tarvainen T (2013) Mercury in European agricultural and grazing land soils. Appl Geochem 33:1–12Qiu G, Feng X, Wang S, Shang L (2005) Mercury and methylmercury in riparian soil, sediments, mine–waste calcines, and moss from abandoned Hg mines in east Guizhou province, southwestern China. Appl Geochem 20:627–638Quispe D, Perez-Lopez R, Silva LFO, Nieto JM (2012) Changes in mobility of hazardous elements during coal combustion in Santa Catarina power plant (Brazil). Fuel 94:495–503Raj D, Chowdhury A, Maiti SK (2017) Ecological risk assessment of mercury and other heavy metals in soils of coal mining area: a case study from the eastern part of a Jharia coal field, India. Hum Ecol Risk Assess 23:767–787Ribeiro J, Flores D, Ward C, Silva LFO (2010) Identification of nanominerals and nanoparticles in burning coal waste piles from Portugal. Sci Total Environ 408:6032–6041Ribeiro J, Silva T, Filho JCM, Flores D (2012) Polycyclic aromatic hydrocarbons (PAHs) in burning and non–burning coal waste piles. J Hazard Mater 199:105–110Ribeiro J, Daboit K, Flores D, Kronbauer MA, Silva LFO (2013) Extensive FE–SEM/EDS, HR–TEM/EDS and TOF–SIMS studies of micron–to nanoparticles in anthracite fly ash. Sci Total Environ 452–453:98–107Rodriguez-Iruretagoiena A, Vallejuelo SOF, Gredilla A, Ramos CG, Oliveira MLS, Arana G, Diego A, Madariaga JM, Silva LFO (2015) Fate of hazardous elements in agricultural soils surrounding a coal power plant complex from Santa Catarina (Brazil). Sci Total Environ 508:374–382Rodriguez-Iruretagoiena A, Vallejuelo SOF, Diego A, De Leão FB, Medeiros D, Oliveira MLS, Tafarel SR, Arana G, Madariaga JM, Silva LFO (2016) The mobilization of hazardous elements after a tropical storm event in a polluted estuary. Sci Total Environ 565:721–729Saikia BK, Ward CR, Oliveira MLS, Hower JC, Leao F, Johnston M, Obryan A, Sharma A, Baruah B, Silva LFO (2015) Geochemistry and nano–mineralogy of feed coals, mine overburden, and coal–derived fly ashes from Assam (North–East India): a multi–faceted analytical approach. Int J Coal Geol 137:19–37Saikia BK, Dalmora AC, Choudhury R, Tafarel SR, Silva LFO (2016) Effective removal of sulfur components from Brazilian power–coals by ultrasonication (40KHz) in presence of H2O2. Ultrason Sonochem 32:147–157Saikia BK, Saikia J, Rabha S, Silva LFO, Finkelman R (2018) Ambient nanoparticles/nanominerals and hazardous elements from coal combustion activity: implications on energy challenges and health hazards. Geosci Front 9:863–875Sakulthaew C, Comfort S, Chokejaroenrat C, Harris C, Li X (2014) A combined chemical and biological approach to transforming and mineralizing PAHs in runoff water. Chemosphere 117:1–9Sehn JL, De Leão FB, Da Boit K, Oliveira MLS, Hidalgo GE, Sampaio CH, Silva LFO (2016) Nanomineralogy in the real world: a perspective on nanoparticles in the environmental impacts of coal fire. Chemosphere. 147:439–443Silva LFO, Oliveira MLS, Boit KM, Finkelman RB (2009) Characterization of Santa Catarina (Brazil) coal with respect to human health and environmental concerns. Environ Geochem Health 31:475–485Silva LFO, Izquierdo M, Querol X, Finkelman RB, Oliveira MLS, Wollenschlager M, Towler M, Pérez-López R, Macias F (2011a) Leaching of potential hazardous elements of coal cleaning rejects. Environ Monit Assess 175:109–126Silva LFO, Macias F, Oliveira MLS, da Boit KM, Waanders F (2011b) Coal cleaning residues and Fe–minerals implications. Environ Monit Assess 172:367–378(U.S. Environmental Protection Agency EPA) (2006) www.epa.gov/mercuryVallejuelo SFO, Gredilla A, Da Boit K, Teixeira EC, Sampaio CH, Madariaga JM, Silva LFO (2017) Nanominerals and potentially hazardous elements from coal cleaning rejects of abandoned mines: environmental impact and risk assessment. Chemosphere 169:725–733Wilcox J, Wang B, Rupp E, Taggart R, Hsu-Kim H, Oliveira MLS, Rupp E, Taggart R, Hsu-kim H, Oliveira MLS, Cutruneo CMNL, Taffarel SR, Silva LFO, Hopps SD, Thomas GA, Hower JC (2015) Observations and assessment of fly ashes from high–sulfur bituminous coals and blends of high–sulfur bituminous and subbituminous coals: environmental processes recorded at the macro and nanometer scale. Energy Fuel 29:7168–7177Xiong T, Yuan X, Wang H, Leng L, Li H, Wu Z, Jiang L, Xu R, Zeng G (2018) Implication of graphene oxide in Cd-contaminated soil: a case study of bacterial communities. J Environ Manag 205:99–106Zhou Y, Aamir M, Liu K, Yang F, Liu W (2018) Status of mercury accumulation in agricultural soil across China: spatial distribution, temporal trend, influencing factor and risk assessment. 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