Environmental Impact of Platinum, Palladium, and Rhodium Emissions from Autocatalytic Converters – A Brief Review of the Latest Developments

Balaram, V.

doi:10.1007/978-3-319-58538-3_194-1

Cited by 15 publications

(17 citation statements)

References 122 publications

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“…Because of well-known toxic effects of elements such as As, Cd, Pb, Hg and U, most of the environmental toxicity studies so far have been confined to this set of elements only (e.g., Sparks 2005;Reddy et al 2012;Duggal et al 2017). Even platinum group elements have received considerable attention in recent years for their impact on human health due to their extensive utilization in autocatalysts (Balaram 2020). But in recent times, technological innovations coupled to modern living conditions have been contributing to the enhancing intake of significant quantities of rare earth elements by humans.…”

Section: Environmental Impact Of Rare Earth Elementsmentioning

confidence: 99%

Emerging Contaminants: Analysis, Aquatic Compartments and Water Pollution

Morin‐Crini¹,

Lichtfouse²,

Liu³

et al. 2021

Emerging Contaminants Vol. 1

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Over the past two decades, the presence of so-called emerging contaminants in various environmental compartments around the world, such as water, sediments, soils and atmosphere, and in a wide variety of consumer products has become a major concern for society, public health authorities, industry (namely food industry and water sector) and the agricultural sector. Some of these substances are endocrine disruptors and others are proven carcinogens and mutagens. In particular,

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Section: Environmental Impact Of Rare Earth Elementsmentioning

confidence: 99%

Emerging Contaminants: Analysis, Aquatic Compartments and Water Pollution

Morin‐Crini¹,

Lichtfouse²,

Liu³

et al. 2021

Emerging Contaminants Vol. 1

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“…industries related to autocatalytic converters, medical devices, and solar energy. [135][136][137][138][139][140] In addition, metal product processing of Ni and Cr smelters as well as medical applications of Pt-containing drugs (e.g., cisplatin and carboplatin) have been considered as sources of PGEs. 140 There is currently no evidence regarding the discharge of PGEs by solar energy products.…”

Section: Analytical Sciencesmentioning

confidence: 99%

Potential Anthropogenic Pollution of High-technology Metals with a Focus on Rare Earth Elements in Environmental Water

2020

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“…It was estimated that around 60% of their annual world production is used in catalytic converters, containing 1–5 g of PGM per vehicle, [ 23 ] PGMs being the active components that limit the emission of toxic gases (especially CO and NO x ). [ 24 ]…”

Section: Introductionmentioning

confidence: 99%

“…It was estimated that around 60% of their annual world production is used in catalytic converters, containing 1-5 g of PGM per vehicle, [23] PGMs being the active components that limit the emission of toxic gases (especially CO and NO x ). [24] Given the great practical importance of PGMs and, on the other hand, the scarcity of their natural resources, there is a high interest to isolate and recover platinum and related elements from catalytic converters and even from laboratory wastes. Moreover, it was estimated that the energy costs and environmental impact of recycling processes are significantly lower compared with production from primary ores.…”

mentioning

confidence: 99%

New heterogeneous catalysts containing platinum group metals recovered from a spent catalytic converter

Racleş¹,

Zaltariov²,

Coroabă³

et al. 2021

Applied Organom Chemis

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A spent catalytic converter was treated with concentrated HCl and hydrogen peroxide in very mild conditions to extract approximately half of its platinum group metals (PGMs) content, mainly as chlorides. The noble metals were subsequently charged into functionalized mesoporous silica by complexation with mercapto groups. A combination of methods was employed to prove the transfer of PGMs and to characterize the materials (inductively coupled plasma optical emission spectrometry [ICP‐OES], Fourier transform‐infrared [FT‐IR] spectroscopy, electrospray ionization mass spectrometry [ESI‐MS], thermogravimetric analysis [TGA], X‐ray photoelectron spectroscopy [XPS], X‐ray diffraction, and UV–Vis spectrophotometry). The resulted PGM‐loaded silica was successfully tested as a new heterogeneous catalyst for hydrosilylation and oxidation reactions. Information about the nature of the PGMs species extracted and loaded completes the existing literature data. The scrap cordierite may be valorized for retention of pollutants from water and also catalyzes the hydrosilylation reaction based on the remaining PGMs. Flexible composite materials can be obtained by incorporating scrap cordierite as filler and crosslinking catalyst into a silicone matrix, significantly enhancing the dielectric permittivity. Thus, complete re‐valorization of the main components of the catalytic converter as high‐added‐value materials was achieved at laboratory level, with very low energy demanding procedures.

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Environmental Impact of Platinum, Palladium, and Rhodium Emissions from Autocatalytic Converters – A Brief Review of the Latest Developments

Cited by 15 publications

References 122 publications

Emerging Contaminants: Analysis, Aquatic Compartments and Water Pollution

Emerging Contaminants: Analysis, Aquatic Compartments and Water Pollution

Potential Anthropogenic Pollution of High-technology Metals with a Focus on Rare Earth Elements in Environmental Water

New heterogeneous catalysts containing platinum group metals recovered from a spent catalytic converter

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