Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 43 for “"upcycling"”.
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Upcycling of Polyolefins Through Functionalization
… has shown promising results in upcycling polyolefins, removing limitations of inertness, and potentially improving the final physical properties of the recycled material while extending its useful lifetime. Specifically, the functionalization of POs with hydroxyl groups provides …
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Multiscale models for polymer upcycling
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2022-11-15 without embargo terms
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Modeling cross scales in polymer upcycling
Submission original under an indefinite embargo labeled 'Open Access'. The submission was exported from vireo on 2024-03-01 without embargo terms
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House loops: Upcycling the single-family house
The thesis takes the position that the single-family house will soon move into a consumer cycle of disposability similar to that of products like single-use cameras. This analogy suggests a new house type that uses such material and acquisition cycles to its advantage, creating a service loop …
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Self-amplifying degradable polyurethanes and their upcycling application
Polyurethanes are a type of polymeric material that have found use in applications, including in paints, coatings, elastomers, and insulating foams. Polyurethanes can demonstrate thermoplastic, thermoset, or elastomeric properties depending on their formulation. Because polyurethanes are used in …
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Modification and Upcycling of Polyetherimide, Polystyrene, Polyethylene, and Polypropylene
… Later, a new recycling strategy, the degradation-upcycling (Deg-Up) strategy, is presented. The potential of Deg-Up is evaluated on three plastics: polystyrene (PS), polyethylene (PE), and polypropylene (PP). These plastics serve broad applications in daily life, such as Styrofoam, food …
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Hedonistic deconsumption and upcycling: active, emotional and pleasurable engagement with waste
… such as freeganism, dumpster diving, and upcycling in particular, show emotional engagement with waste is evident, but underexplored. Alternative practices, and their apparent emotional and expressive nature, could hold the potential for a more widespread, celebrated culture of sustainable …
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Development of Scalable and Sustainable Processes for Polymer Recycling, Upcycling, and Synthesis
… facing chlorinated plastics, but also the unique upcycling opportunities they provide. Inspired by the potential, this dissertation showcases new methods and processes contributing towards the circularity of PVC. Fractionation is a technique often used for lignin separation, but rarely used in …
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Improving biomass waste upcycling by process intensification in two-stage anaerobic digestion
L'abstract è presente nell'allegato / the abstract is in the attachment
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Upcycling of Polystyrene, Polyolefin, and Polyvinyl Chloride Waste into Chemicals, Surfactants, and Lubricants
… and sulfides. Notably, the same "degradation and upcycling" approach is applicable to polyolefins and can be employed to design a synthetic strategy to produce surfactants from PE and PP waste, thus helping to improve the circularity of the polymers. In the first reaction, the polyolefins are …
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Design de mobiliário e upcycling: assento de descanso para lounges feito de ferro e madeira descartados
O trabalho visa abordar a responsabilidade socioambiental do designer alinhando dois campos de trabalho: o design para sustentabilidade, área promissora que tende a tornar soluções de baixo impacto ambiental um padrão de mercado e o design de mobiliário, segmento tradicional cuja evolução acompanha …
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El slow fashion como nueva forma de sostenibilidad y responsabilidad socioambiental, mediante las prácticas del Upcycling y Thrift Shopping en Lima Metropolitana: caso @SHOPFROMMARS
… que se presenta en las diferentes prácticas del upcycling (de ropa) y el thrift shopping (venta de ropa de segunda mano) en Lima Metropolitana dentro de un contexto de reactivación post pandemia. El artículo analiza diversos emprendimientos que optaron por ofrecer productos reciclados; además de …
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Sistema de reaproveitamento de materiais para construção de mobiliário para descanso
… materiais, visando a utilização do conceito de upcycling para dar destinação a derivados de madeira oriundos de descarte da construção civil. Inclui estudos de materiais e processos, ergonômicos, testes com Mockup, desenho técnico e validação do protótipo com usuários
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Βιώσιμη μόδα, κλιματική αλλαγή και Χημεία: Μια εκπαιδευτική πρόταση για την αειφορία
… δημιουργική επαναχρησιμοποίηση παλαιών ρούχων (upcycling). Μέσα από τις δραστηριότητες αυτές, βασικές χημικές έννοιες που αφορούν τις ίνες και τα πολυμερή συνδέθηκαν με κοινωνικο-επιστημονικά ζητήματα, όπως η υπερκατανάλωση ενδυμάτων και η περιβαλλοντική ρύπανση, τα οποία αποτελούν μέρος της …
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ECO-FRIENDLY HYDROXYAPATITE-BASED MATERIALS AS METAL ADSORBENTS: OPTIMIZATION OF SURFACE PROPERTIES FOR WATER AND WASTEWATER REMEDIATION
… of spent adsorbents, including recycling and upcycling approaches. Notably, spent Sn-CaP was successfully repurposed as a catalyst for environmental gas-phase reactions. Specifically, the upcycled catalyst exhibited moderate activity in the oxidation of NO to NO2, a key reaction in NOx …
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Reduce, reuse, redefine: An interactive framework for repurposing packaging materials through a sustainability-focused craft kit system using traditional and digital methods
This study explores recycling and upcycling methods currently available to consumers, focusing on sustainability-focused tools and resources to repurpose consumable materials. Investigations into material utility and repurposing were conducted through traditional crafting techniques, as well as the …
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Selective deconstruction of polyethylene to propylene via isomerization/metathesis and 1-hexene isomerization studies
… an alternative strategy rooted in chemical upcycling, where PE is selectively converted into propylene, a high-value monomer, via a tandem catalytic process combining dehydrogenation, isomerization and metathesis. Chapter 1 outlines the limitations of current recycling strategies and …
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Meet Me in the Middle Ages: Engaging with fantasy, reality, and collaborative world-building
… the essay, I use my own term “archaeological upcycling” to discuss and explore a variety of relationships between ideas of parts and a whole. I then use it to characterize the way stories are created out of many different parts and how these parts help a reader to relate to both the world of …
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Advancing green practices in the operating room
… markedly decreases carbon emissions and costs, upcycling blue wrap generates economic and community benefits, and proper sharps segregation significantly reduces regulated waste volume. Guided by a SWOT analysis, the proposed intervention includes staff education, visual aids, and structured …
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