Essays about: "Plast material"

Showing result 11 - 15 of 124 essays containing the words Plast material.

  1. 11. Investigation of acidic chemical recycling of poly(acetal-ester)s

    University essay from Lunds universitet/Centrum för analys och syntes

    Author : Saga Vesterbacka; [2023]
    Keywords : Poly actetal-ester s; Chemical plastic recycling; Hydrolysis; Acidic degradation; Akestra; PHVT; Re-polymerization; Polymer technology; Chemistry;

    Abstract : Plastic recycling is a very relevant topic from both environmental and economic viewpoints. Chemical plastic recycling is a logical solution to the plastic problems, which shows the potential to reduce plastic waste and carbon emissions from burning the plastics. READ MORE

  2. 12. Valorising spent coffee grounds : An assessment of possibilities in the municipality of Stockholm

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Emma Westling; [2023]
    Keywords : Food waste hierarchy; spent coffee grounds; circular economy; economic assessments; waste valorisation; Matavfallshierarki; Kaffesump; Cirkulär ekonomi; ekonomisk bedömning; avfallsvalorisering;

    Abstract : Circular economy is an economic model that is gaining more and more attention, themodel aims to close production chains by recirculate waste into the system as newraw material. Spent coffee grounds are a waste that has great potential to becomenew products since the spent coffee ground contains many valuable substances suchas polysaccharides, polyphenols, and lipids. READ MORE

  3. 13. In-plane Wetting in Packaging Material and its Consequences for Cap Performance

    University essay from Lunds universitet/Centrum för analys och syntes

    Author : Ellinor Carolina Salomonsson; [2023]
    Keywords : Tetra Pak®; Aseptic; Paperboard; Pre-laminated hole; Edge wicking; In-plane wetting; Hydrogen peroxide; Cap detachment; Polymer technology; Technology and Engineering;

    Abstract : Aseptic packaging solutions enable long time storage without refrigeration and are an important part of securing food supply globally. The package material consists of multiple layers: A paperboard for robustness, polymers for adhesion as well as shielding the board from liquid, and a barrier protecting the product. READ MORE

  4. 14. Analysing structures and attitudes towards sustainable waste management in the district of Morrumbene : A Minor Field Study in the district of Morrumbene, Mozambique

    University essay from KTH/Hållbar utveckling, miljövetenskap och teknik

    Author : Emma Lindvall; [2023]
    Keywords : ;

    Abstract : This bachelor thesis was executed as a Minor Field Study (MFS) in the district of Morrumbene in Mozambique. The project was partially financed by the Swedish International Development Cooperation Agency and was written during the spring semester of 2023 at the Royal Institute of Technology in Stockholm, Sweden. READ MORE

  5. 15. Exploring the Possibilities of Sheet Metal Forming Via Plastic-Based Additive Manufacturing Moulding

    University essay from KTH/Produktionsutveckling

    Author : Jemal Idris Ismail; Kafeel Olanrewaju Sanni; [2023]
    Keywords : : Sheet metal formation; Additive manufacturing; mass customization; personalized production; die design; die system; FDM; DOE; FEA; product development; automotive; sustainability; cost effective; metal dies; plastic dies.; Plåtformning; Additiv tillverkning; massanpassning; personlig produktion; formdesign; formsystem; FDM; DOE; FEA; produktutveckling; fordonsindustri; hållbarhet; kostnadseffektiv; metallformar; plastformar.;

    Abstract : Additive Manufacturing (AM) has freeform fabrication capabilities of complex geometries directly from feedstock material. This can potentially enhance the efficient use of material and the cost effectiveness. It also offers design flexibility, and it is versatile. READ MORE