Assessment of the release of metals from cigarette butts into the environment.

Cigarette butts are known to contain toxic metals which pose a potential threat to the environment and human health. The seriousness of this threat is largely determined by the leachability of these toxic metals when the butts are exposed to aqueous solutions in the environment. The aims of this stu...

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Autores principales:	Carla Roselli, Ivan Fagiolino, Donatella Desideri, Davide Sisti, Maria Assunta Meli
Formato:	article
Lenguaje:	EN
Publicado:	Public Library of Science (PLoS) 2021
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/36c8f8a332b349e7aa65669bcde7c106
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spelling	oai:doaj.org-article:36c8f8a332b349e7aa65669bcde7c1062021-12-02T20:12:45ZAssessment of the release of metals from cigarette butts into the environment.1932-620310.1371/journal.pone.0260111https://doaj.org/article/36c8f8a332b349e7aa65669bcde7c1062021-01-01T00:00:00Zhttps://doi.org/10.1371/journal.pone.0260111https://doaj.org/toc/1932-6203Cigarette butts are known to contain toxic metals which pose a potential threat to the environment and human health. The seriousness of this threat is largely determined by the leachability of these toxic metals when the butts are exposed to aqueous solutions in the environment. The aims of this study were to determine the presence and mobility of toxic and non-toxic elements found in discarded cigarette butts; to relate this mobility to two different contact situations with leaching liquids: tumbling and trampling (batch test) and percolation in a static position (column test); and finally, to verify possible variations in solubility by simulating different environmental systems. Five leachants with different pH values were used to simulate various environmental conditions The concentrations of the solubilized metals were determined by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS). CH3COOH pH 2.5 showed the greatest capacity to dissolve many elements. On the contrary, weakly acidic or alkaline environments did not favor the leachability of the elements. The best extraction capacity of the column with respect to the batch is statistically significant (p <0.05) for the elements Al, Fe, Ni and Zn, while the batch for P, Si, S. Pb, Cd, As were not detectable in cigarette butts, while Hg had an average concentration of 0.0502 μg/g. However, Hg was < LOD in all different leachants.Carla RoselliIvan FagiolinoDonatella DesideriDavide SistiMaria Assunta MeliPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 16, Iss 11, p e0260111 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q Carla Roselli Ivan Fagiolino Donatella Desideri Davide Sisti Maria Assunta Meli Assessment of the release of metals from cigarette butts into the environment.
description	Cigarette butts are known to contain toxic metals which pose a potential threat to the environment and human health. The seriousness of this threat is largely determined by the leachability of these toxic metals when the butts are exposed to aqueous solutions in the environment. The aims of this study were to determine the presence and mobility of toxic and non-toxic elements found in discarded cigarette butts; to relate this mobility to two different contact situations with leaching liquids: tumbling and trampling (batch test) and percolation in a static position (column test); and finally, to verify possible variations in solubility by simulating different environmental systems. Five leachants with different pH values were used to simulate various environmental conditions The concentrations of the solubilized metals were determined by inductively coupled plasma-atomic emission spectrometry (ICP-AES) and inductively coupled plasma-mass spectrometry (ICP-MS). CH3COOH pH 2.5 showed the greatest capacity to dissolve many elements. On the contrary, weakly acidic or alkaline environments did not favor the leachability of the elements. The best extraction capacity of the column with respect to the batch is statistically significant (p <0.05) for the elements Al, Fe, Ni and Zn, while the batch for P, Si, S. Pb, Cd, As were not detectable in cigarette butts, while Hg had an average concentration of 0.0502 μg/g. However, Hg was < LOD in all different leachants.
format	article
author	Carla Roselli Ivan Fagiolino Donatella Desideri Davide Sisti Maria Assunta Meli
author_facet	Carla Roselli Ivan Fagiolino Donatella Desideri Davide Sisti Maria Assunta Meli
author_sort	Carla Roselli
title	Assessment of the release of metals from cigarette butts into the environment.
title_short	Assessment of the release of metals from cigarette butts into the environment.
title_full	Assessment of the release of metals from cigarette butts into the environment.
title_fullStr	Assessment of the release of metals from cigarette butts into the environment.
title_full_unstemmed	Assessment of the release of metals from cigarette butts into the environment.
title_sort	assessment of the release of metals from cigarette butts into the environment.
publisher	Public Library of Science (PLoS)
publishDate	2021
url	https://doaj.org/article/36c8f8a332b349e7aa65669bcde7c106
work_keys_str_mv	AT carlaroselli assessmentofthereleaseofmetalsfromcigarettebuttsintotheenvironment AT ivanfagiolino assessmentofthereleaseofmetalsfromcigarettebuttsintotheenvironment AT donatelladesideri assessmentofthereleaseofmetalsfromcigarettebuttsintotheenvironment AT davidesisti assessmentofthereleaseofmetalsfromcigarettebuttsintotheenvironment AT mariaassuntameli assessmentofthereleaseofmetalsfromcigarettebuttsintotheenvironment
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Assessment of the release of metals from cigarette butts into the environment.

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