1. Between source and sea : the role of wastewater treatment in reducing marine microplasticsShirra Freeman, Andy M. Booth, Isam Sabbah, Rachel Tiller, Jan Dierking, Katja Klun, Ana Rotter, Eric Ben David, Jamileh Javidpour, Dror Angel, 2020, pregledni znanstveni članek Povzetek: Wastewater treatment plants (WWTPs) are a focal point for the removal of microplastic (MP) particles before they are discharged into aquatic environments. WWTPs are capable of removing substantial quantities of larger MP particles but are inefficient in removing particles with any one dimension of less than 100 μm, with influents and effluents tending to have similar quantities of these smaller particles. As a single WWTP may release >100 billion MP particles annually, collectively WWTPs are significant contributors to the problem of MP pollution of global surface waters. Currently, there are no policies or regulations requiring the removal of MPs during wastewater treatment, but as concern about MP pollution grows, the potential for wastewater technologies to capture particles before they reach surface waters has begun to attract attention. There are promising technologies in various stages of development that may improve the removal of MP particles from wastewater. Better incentivization could speed up the research, development and adoption of innovative practices. This paper describes the current state of knowledge regarding MPs, wastewater and relevant policies that could influence the development and deployment of new technologies within WWTPs. We review existing technologies for capturing very small MP particles and examine new developments that may have the potential to overcome the shortcomings of existing methods. The types of collaborations needed to encourage and incentivize innovation within the wastewater sector are also discussed, specifically strong partnerships among scientific and engineering researchers, industry stakeholders, and policy decision makers.
Ključne besede: wastewater, microplastic, particle removal, innovation, policy, jellyfish mucus
Objavljeno v DiRROS: 06.08.2024; Ogledov: 359; Prenosov: 620
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2. Optimization of a calcium-based treatment method for jellyfish to design food for the futureFrancesca Anna Ramires, Stefania De Domenico, Danilo Migoni, Francesco Paolo Fanizzi, Dror Angel, Rasa Slizyte, Katja Klun, Gianluca Bleve, Antonella Leone, 2022, izvirni znanstveni članek Povzetek: Edible jellyfish are a traditional Southeast Asian food, usually prepared as a rehydrated product using a salt and alum mixture, whereas they are uncommon in Western Countries and considered as a novel food in Europe. Here, a recently developed, new approach for jellyfish processing and stabilization with calcium salt brining was upgraded by modifying the pre-treatment step of freshly caught jellyfish and successfully applied to several edible species. Treated jellyfish obtained by the application of the optimized version of this method respected both quality and safety parameters set by EU law, including no pathogenic microorganisms, absence or negligible levels of histamine and of total volatile basic nitrogen, no heavy metals; and the total bacterial, yeast, and mold counts were either negligible or undetectable. Jellyfish treated by the presented method exhibited unique protein content, amino acid and fatty acid profiles, antioxidant activity, and texture. The optimized method, initially set up on Rhiszostoma pulmo, was also successfully applied to other edible jellyfish species (such as Cotylorhiza tuberculata, Phyllorhiza punctata, and Rhopilema nomadica) present in the Mediterranean Sea. This study discloses an innovative process for the preparation of jellyfish-based food products for potential future distribution in Europe.
Ključne besede: jellyfish, novel food, safety, quality, nutritional traits, organic calcium salts
Objavljeno v DiRROS: 17.07.2024; Ogledov: 301; Prenosov: 216
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