Leaching characteristics of bisphenol A from epoxy-resin pavement materials

Sanada, Hiromi; Shoji, Shigenori; Kaneko, Hidehiro

doi:10.1080/02772240601010105

Cited by 16 publications

(10 citation statements)

References 13 publications

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“…Some studies revealed that the chemicals (e.g., bisphenol A and biocides) used in building material (e.g. pavement materials, facades and roof paintings) were able to leach during precipitation and accumulate to remarkable levels in roof runoff and subsequently ended up in surface water (Jungnickel et al, 2008, Sakamoto et al, 2007, Schoknecht et al, 2009and Singer et al, 2010. In addition, rainfall events could intensify combined sewer overflows, resulting in a higher level of contaminant discharge.…”

Section: Occurrence Of Micropollutants In Surface Watermentioning

confidence: 99%

A review on the occurrence of micropollutants in the aquatic environment and their fate and removal during wastewater treatment

Luo

Guo

Ngo

et al. 2014

Science of The Total Environment

3,183

1,575

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Micropollutants are emerging as a new challenge to the scientific community. This review provides a summary of the recent occurrence of micropollutants in the aquatic environment including sewage, surface water, groundwater and drinking water. The discharge of treated effluent from WWTPs is a major pathway for the introduction of micropollutants to surface water. WWTPs act as primary barriers against the spread of micropollutants. WWTP removal efficiency of the selected micropollutants in 14 countries/regions depicts compound-specific variation in removal, ranging from 12.5 to 100%. Advanced treatment processes, such as activated carbon adsorption, advanced oxidation processes, nanofiltration, reverse osmosis, and membrane bioreactors can achieve higher and more consistent micropollutant removal. However, regardless of what technology is employed, the removal of micropollutants depends on physico-chemical properties of micropollutants and treatment conditions. The evaluation of micropollutant removal from municipal wastewater should cover a series of aspects from sources to end uses. After the release of micropollutants, a better understanding and modeling of their fate in surface water is essential for effectively predicting their impacts on the receiving environment.

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Section: Occurrence Of Micropollutants In Surface Watermentioning

confidence: 99%

A review on the occurrence of micropollutants in the aquatic environment and their fate and removal during wastewater treatment

Luo

Guo

Ngo

et al. 2014

Science of The Total Environment

3,183

1,575

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“…The reaction on the sides exposed to the sun could happen through photolysis [18], with the solar light contributing to transforming the colour of the epoxy resins to yellow. Rainwater and other weathering conditions might help to degrade some types of epoxy resins through hydrolysis [19,20] and to migrate the leaching along the surface of the blades.…”

Section: Site Visitsmentioning

confidence: 99%

“…Hydrolysis is a chemical process where a molecule is divided into two parts by the addition of a molecule of water. It is the type of reaction that is used to break down specific polymers [19,20]. Hydrolysis could also take place where the drinking water, released from the fountain on the top of one of the towers, flows onto the rotor blades.…”

Section: Safety Concernsmentioning

confidence: 99%

“…In Wikado, hydrolysis and photolysis can potentially detach a substance with the chemical name bisphenol-A-(epichlorhydrin), epoxy resin [26] (abbreviated to BPA). BPA is an endocrine disruptor, suspected of damaging fertility or unborn children-classified as "possible risk of impaired fertility" [20,27]. In Wikado, the amount of BPA that could leach from the epoxy resins is most likely too small to be of concern for the health of the users [20].…”

Section: Safety Concernsmentioning

confidence: 99%

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Safety and Health Concerns for the Users of a Playground, Built with Reused Rotor Blades from a Dismantled Wind Turbine

Medici¹,

Dobbelsteen²,

Peck³

2020

Sustainability

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This paper analyses the user safety of a playground built out of reused blades from a dismantled wind turbine. Located in Rotterdam and designed by the Netherlands architecture firm Superuse Studios, the playground, called “Wikado”, represents an example of the circular economy applied to the built environment. With reused materials, Wikado represents a saving in resources and energy, when compared to a standard playground built with primary materials. Furthermore, the playground creates a unique design experience for its users, who can still recognise the original rotor blades following their transformation into slides, platforms, and tunnels. However, the safety of the playground could be questioned. This paper will analyse the materials and products used in the playground and their condition some years after opening. The analysis focuses on the risks of human health during the use of the playground. It considers the shape and the sharpness of the rotor blades, its components such as glass fibres and epoxy resin. As a result of the analysis, two risk analysis conceptual models help to assess the health concerns regarding the contact with the materials, and some yellow drops leaching from the rotor blades. This analysis informs the contemporary debate concerning the reuse of materials, and more generically, the circular economy applied to the built environment: whether it is recommended and safe to reuse materials for a different function from that which they were originally designed. This paper will explain that in the analysed case study, it can be safe to reuse materials for a different function, but only with the appropriate precautions.

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“…Although some researchers have studied the leaching behaviour of BPA from plastics, such as polycarbonate (PC) plastic [14] and epoxy-resin materials [15], the characteristics of BPA leachability from solid wastes in MSW landfills are not clear. First, it is difficult to characterize how BPA leaching behaviour changes with landfill age under actual landfill practices, because the composition of landfilled wastes may change during the landfilling.…”

Section: Introductionmentioning

confidence: 99%

Leaching behaviour of bisphenol A from municipal solid waste under landfill environment

Zhang

et al. 2011

Environmental Technology

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With a preliminary insight into the source and leaching behaviour ofbisphenol A (BPA) from municipal solid wastes (MSW), five kinds of plastic and four kinds of paper materials were leached by distilled water. Polyvinyl chloride (PVC) waste was found to have the highest BPA content of 12.1 microg x g(-1) and leachability of 34.7% in distilled water, while cardboard with relatively low BPA content also showed a high ratio of leaching (53.6%). Fresh leachate and leachates from a landfill of age 1.5 and 10 years were adopted as leachants for the PVC plastic and cardboard to simulate the leaching behaviour of BPA under a landfill environment. The enhancement of BPA leachability in the 10-year leachate compared with distilled water was higher than that in the other two leachates due to its basic pH and high content of humic organic matters. Meanwhile, the enhancement of BPA leachability by the fresh leachate was higher than that by the 1.5-year leachate, possibly due to the presence of small molecules such as volatile fatty acids, amino acids, etc. The paper waste was not only a minor origin of BPA leaching, but also a controlling factor in retarding BPA transformation. The BPA sorption K(f) value of the cardboard in the Freundlich equation was 0.2224 mg(1-n)) x L(n) x g(-1) (n = 0.7680), higher than that obtained in sorption experiments by natural organic adsorbents such as sediment. It suggested that the presence of paper with a high sorption capacity in MSW will restrain BPA transport and bioavailability in landfills.

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Leaching characteristics of bisphenol A from epoxy-resin pavement materials

Cited by 16 publications

References 13 publications

A review on the occurrence of micropollutants in the aquatic environment and their fate and removal during wastewater treatment

A review on the occurrence of micropollutants in the aquatic environment and their fate and removal during wastewater treatment

Safety and Health Concerns for the Users of a Playground, Built with Reused Rotor Blades from a Dismantled Wind Turbine

Leaching behaviour of bisphenol A from municipal solid waste under landfill environment

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