2012
DOI: 10.3989/revmetalm.1137
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A microencapsulation process of liquid mercury by sulfur polymer stabilization/solidification technology. Part II: Durability of materials

Abstract: Under the European LIFE Program a microencapsulation process was developed for liquid mercury using Sulfur Polymer Stabilization/Solidification (SPSS) technology, obtaining a stable concrete-like sulfur matrix that allows the immobilization of mercury for long-term storage. The process description and characterization of the materials obtained were detailed in Part I. The present document, Part II, reports the results of different tests carried out to determine the durability of Hg-S concrete samples with very… Show more

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Cited by 6 publications
(5 citation statements)
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“…The thermoplastic polymer process uses the property of thermoplastic polymers to become flowing when heated and solid when cooled to encapsulate contaminants. Non-thermal encapsulation is to physically separate the wastes from the environment, such as organic polymer microencapsulation processes and macroencapsulation/containerization [ 134 , 135 ].…”
Section: Ex Situ Remediation Technologymentioning
confidence: 99%
“…The thermoplastic polymer process uses the property of thermoplastic polymers to become flowing when heated and solid when cooled to encapsulate contaminants. Non-thermal encapsulation is to physically separate the wastes from the environment, such as organic polymer microencapsulation processes and macroencapsulation/containerization [ 134 , 135 ].…”
Section: Ex Situ Remediation Technologymentioning
confidence: 99%
“…An alternative approach is the long-term stabilization and storage of the mercury bound to the sorbent. [75][76][77][78] This is of particular relevance to elemental mercury, which is often the final product obtained in mercury recovery units in industry operations and waste management facilities. As restrictions on the use and trade of elemental mercury increase, there will be a need for a long-term strategy for mercury storage and management.…”
Section: Life-cycle Managementmentioning
confidence: 99%
“…The mercury sulfide product, stabilized in monolithic blocks of sulfur, is also resistant to water and freeze-thaw processes that would otherwise result in leaching. 76,78 This immobilization and low-leaching renders the mercury product essentially non-hazardous. 78 Polymers made by inverse vulcanization have potential for similar processing and long-term storage, particularly for remediation of elemental mercury.…”
Section: Life-cycle Managementmentioning
confidence: 99%
“…Se estima que han producido la tercera parte del mercurio consumido por la Humanidad (Hylander y Meili, 2003). Debido a su alta toxicidad, a principios de este siglo, el Consejo de Gobierno del Programa de Naciones Unidas para el Medio Ambiente (PNUMA) implantó su Programa del Mercurio como instrumento de control internacional sobre las actividades con mercurio, quien estableció una serie de decisiones a partir de 2001 que incluían la prevención, minimización y gestión de residuos de mercurio, así como su almacenamiento a largo plazo y eliminación (López-Delgado et al, 2012). La Unión Europea, alentada y mediada por informes científicos que demuestran el potencial dañino del mercurio para la salud, puso en marcha la Estrategia Comunitaria sobre el mercurio, cuyo objeto es disminuir su impacto y sus riesgos para el medio ambiente y la salud humana.…”
Section: Introductionunclassified