EUON publishes research on product life cycle

2021-11-25 06:05:11 By : Ms. Sophie han

On November 15, 2021, the European Union (EU) Nanomaterials Observatory (EUON) announced the release of its commissioned report entitled "Nanomaterials Product Life Cycle, Waste Recycling and Circular Economy Research". The research updates and expands the 2016 Organisation for Economic Cooperation and Development (OECD) document entitled "Nanomaterials in Waste Streams-Current Risks and Impact Knowledge". The report covers waste streams containing nanomaterials; the behavior and fate of nanomaterials in the waste process; the exposure of waste management workers to nanomaterials; the benefits and challenges of nanomaterials to the circular economy; the impact of nanomaterials on recycling; nanomaterial recycling The mainstream of the industry; the recycling of residues from the emission reduction system; the possibility of replacing harmful substances with nanomaterials in the recycling stream; the emission of nanomaterials; and emission control and best available technologies. The review covered 276 publications, including books, research reports, research and review papers, databases, and other Internet resources. Although the researchers reviewed relevant research in other countries where appropriate, the research paid special attention to man-made nanomaterials and incidental nanomaterials, as well as the situation in the European Union and the development of nanomaterials. The report includes the following nine conclusions and four recommendations:

Conclusion 1. At present, it is impossible to give a reliable evidence-based conclusion on the amount of nanomaterials on the European market and in the waste stream.

Conclusion 2. Public information about nanomaterials is important to waste managers, scientists, regulatory agencies, and consumers.

Recommendation 1. The development of public data sets containing information about nanomaterials and their presence in products should be promoted to facilitate practical and regulatory decision-making and the progress of scientific research.

Conclusion 3. Research on the behavior and fate of nanomaterials focuses on related nanomaterials in certain waste management facilities, and is mainly carried out in a laboratory environment.

Conclusion 4. The general mass flow model or fate model has been widely used to provide a general overview of the distribution of specific nanomaterials in the environment.

Conclusion 5. Significant progress has been made in the development of analytical tools for characterizing and measuring nanomaterials.

Recommendation 2. The predictions calculated by the statistical model should be compared with field-scale experiments to assess the quality of the predictions.

Conclusion 6. No research has been found on workers' exposure to nanomaterials in waste management facilities; however, existing studies on manufacturing and research sites indicate that exposure to nanomaterials is through inhalation during physical activity.

Recommendation 3. Field research should be conducted on exposure to man-made and incidental nanomaterials in waste management and recycling facilities.

Conclusion 7. Existing research shows that incineration and wastewater treatment (for titanium dioxide, zinc oxide, cerium oxide, silver, gold, aluminum, cerium, cobalt, copper, iron, titanium, zinc and manganese) are highly effective in limiting emissions. Nano The impact of materials on the environment.

Conclusion 8. The management of nanomaterials in waste is regulated by general regulatory provisions, and nano-specific guidelines are emerging.

Conclusion 9. The research publication outlines several potential contributions of nanomaterials to the circular economy; however, there is no evidence that the proposed application is circular, economically feasible, or environmentally safe.

Recommendation 4. The systematization of current research and evaluation of the economic, environmental and social impacts of the proposed application of nanomaterials in the circular economy should be supported. Closer cooperation and exchange of ideas between researchers and industry is necessary to reach agreement on the needs of nanotechnology solutions and initiate appropriate research programs.

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