Stabilization of hazardous compounds from WEEE plastic: Development of a novel core-shell recycled plastic aggregate for use in building materials

Gómez, Melina Gabriela; Peisino, Lucas Ernesto; Kreiker, Jerónimo; Gaggino, Rosana; Cappelletti, Ariel Leonardo; Martín, Sandra Elizabeth; Uberman, Paula M.; Positieri, María Josefina; Raggiotti, Belén

doi:10.1016/j.conbuildmat.2019.116977

Cited by 31 publications

(17 citation statements)

References 35 publications

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“…Regarding the incineration and landfill treatment options, the most impact-relevant heavy and toxic substances were reduced by 10%, assuming more optimistic scenarios. For both scenarios involving the re-use of cement, TBBPA leachate was modified, according to the experimental results shown by Gómez et al [ 53 ]. For the last scenario, namely the re-use as is in bituminous pavement, substances, such as aluminum, zinc, chlorides, and sulphates, were included, according to Jullien et al [ 77 ], who performed an LCA for the leaching of granular alternative materials used in road construction, including waste, assuming a similar soil and water leachate.…”

Section: Resultsmentioning

confidence: 99%

“…The most analyzed uses of e-plastics are in cement and in bituminous mix; a diverse mix of plastics and options have been analyzed, with a focus on the technical and structural feasibility. Interestingly, Gomez et al [ 53 ] emphasized the hazardous potential of re-using flame-retarded e-plastics as RPAs in cement mortar, suggesting a simple stabilization procedure to avoid TBBPA leaching.…”

Section: Discussionmentioning

confidence: 99%

“…Gomez et al [ 53 ] developed a stabilization process through a core-shell approach where the e-plastic particles were covered with a mixture of cement and additives. Starting from a mix of e-plastics supplied, after grinding, by a recycling company processing all types of WEEE, they produced the core-shell RPAs and characterized the samples mechanically and chemically.…”

Section: Methodsmentioning

confidence: 99%

“…The specific data and assumptions used for the modelling are listed in Table S1 . The waste input materials and elements, such as the Cu, Sb, Bi, Cd, and Ag in air and the Cu, Fe, Ni, Pb, and Zn in water and soil, were adjusted according to the literature data [ 20 , 53 , 62 , 68 ].…”

Section: Methodsmentioning

confidence: 99%

“…The five considered alternative end-of-life scenarios are described in Table 3, while the data and assumptions used for the end-of-life scenarios life cycle modelling are presented in Table S2. The model of this scenario is based on the process sheet, 'Waste plastic, consumer electronics {GLO}| treatment of waste plastic, consumer electronics, open burning | APOS, U', representing informal or uncontrolled burning, based on municipal waste incineration without any pollution control and suggested by Ecoinvent 3.0 as suitable for informal recycling (e.g., burning of e-waste) [53].…”

Section: End-of-life Alternative Scenariosmentioning

confidence: 99%

See 4 more Smart Citations

Ecotoxicity of Plastics from Informal Waste Electric and Electronic Treatment and Recycling

Butturi

Marinelli

Gamberini

et al. 2020

Toxics

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Plastic materials account for about 20% of waste electrical and electronic equipment (WEEE). The recycling of this plastic fraction is a complex issue, heavily conditioned by the content of harmful additives, such as brominated flame retardants. Thus, the management and reprocessing of WEEE plastics pose environmental and human health concerns, mainly in developing countries, where informal recycling and disposal are practiced. The objective of this study was twofold. Firstly, it aimed to investigate some of the available options described in the literature for the re-use of WEEE plastic scraps in construction materials, a promising recycling route in the developing countries. Moreover, it presents an evaluation of the impact of these available end-of-life scenarios on the environment by means of the life cycle assessment (LCA) approach. In order to consider worker health and human and ecological risks, the LCA analysis focuses on ecotoxicity more than on climate change. The LCA evaluation confirmed that the plastic re-use in the construction sector has a lower toxicity impact on the environment and human health than common landfilling and incineration practices. It also shows that the unregulated handling and dismantling activities, as well as the re-use practices, contribute significantly to the impact of WEEE plastic treatments.

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Section: Resultsmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: Methodsmentioning

confidence: 99%

Section: End-of-life Alternative Scenariosmentioning

confidence: 99%

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Ecotoxicity of Plastics from Informal Waste Electric and Electronic Treatment and Recycling

Butturi

Marinelli

Gamberini

et al. 2020

Toxics

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E-waste recycling practices: a review on environmental concerns, remediation and technological developments with a focus on printed circuit boards

Tembhare

Bhanvase

Barai

et al. 2021

Environ Dev Sustain

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Recycling ABS from WEEE with Peroxo-Modified Surface of Titanium Dioxide Particles: Alteration on Antistatic and Degradation Properties

Oliveira,

Gimenez,

Xavier

et al. 2023

J Polym Environ

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The increasing concern about plastic disposal and its impact on the environment has led to the necessity to reuse these materials, completing their life cycle within the circular economy mentality: production, use, recycling, and reuse. One of the residues that has caused great concern is the so-called waste electrical and electronic equipment (WEEE).The reintroduction of a recycled material back into the market requires some type of modi cation since the recycling process lightly alters the general properties of those materials. In this work, we studied the recycling of ABS -one of the polymers most found in waste electrical and electronic equipment -and its modi cation through commercial titanium dioxide (TiO 2 ) and modi ed with peroxide groups (TiO 2 -OPM). The TiO 2 -OPM have interesting electrical properties due to their lower band gap values, which results in them being good candidates for the modi cation of recycled polymers for WEEE applications.For this, different percentages of particles were incorporated into ABS from the electro-electronic industry. Aspects of degradation, rheology, and antistatic were analyzed. A good interaction between the particle and polymer is observed, especially for those modi ed with the peroxo group. Nevertheless, it is observed that this modi cation promotes a reduction in the initiation of exothermic reactions for the butadiene phase, which seems to be a positive aspect because it preserves the acrylonitrile-styrene phase. The interaction is observed rheologically, indicating the formation of a percolated network that favors antistatic characteristics, even with a reduced amount of TiO 2 -OPM. This work presents a framework for the development of more sustainable materials with concepts of a circular production system.

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Stabilization of hazardous compounds from WEEE plastic: Development of a novel core-shell recycled plastic aggregate for use in building materials

Cited by 31 publications

References 35 publications

Ecotoxicity of Plastics from Informal Waste Electric and Electronic Treatment and Recycling

Ecotoxicity of Plastics from Informal Waste Electric and Electronic Treatment and Recycling

E-waste recycling practices: a review on environmental concerns, remediation and technological developments with a focus on printed circuit boards

Recycling ABS from WEEE with Peroxo-Modified Surface of Titanium Dioxide Particles: Alteration on Antistatic and Degradation Properties

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