Essays about: "plastic"

Showing result 1 - 5 of 971 essays containing the word plastic.

  1. 1. Rock Wedge Stability Assessment : A Comparative Analysis of Limit Equilibrium and Discrete Element Methods

    University essay from Luleå tekniska universitet/Institutionen för samhällsbyggnad och naturresurser

    Author : Vilma Nordh; [2024]
    Keywords : Numerical modelling; wedge stability; 3DEC; UnWedge;

    Abstract : Rock wedge stability is a common concern in underground excavations. Since the wedge stability influences the support design, it is important to use a wedge stability analysis method that can capture factors like excavation geometry, joint parameters and properties, rock mass properties, rock cover, and stress field as accurately as possible. READ MORE

  3. 2. Microbial production of chemical building blocks from lignin

    University essay from Lunds universitet/Teknisk mikrobiologi

    Author : Kevin Bertilsson; [2024]
    Keywords : Lignin; Green plastic; Vanillin; Microbial production; Applied microbiology; Biology and Life Sciences;

    Abstract : Plastics, derived from fossil fuels, have raised considerable environmental concerns. This has prompted the search for sustainable and safer plastic precursors alternatives. One alternative explored in the present study is vanillin, a phenolic compound derived from lignin, an abundant and renewable natural polymer. READ MORE

  4. 3. Prospects for standardisation of industrial PET plastics to support the transition towards a circular economy

    University essay from Lunds universitet/Miljö- och energisystem

    Author : Agnes Ström; [2024]
    Keywords : Standard; standardisation; industrial PET; polyethylene terephthalate; circular economy; plastic; Technology and Engineering;

    Abstract : Plastkonsumtionen har ökat markant över tid och har utvecklats till ett viktigt material i dagens samhälle, men med utmaningen att råvaran främst kommer från fossila källor. Användningen av plast är i linje med den linjära ekonomin och den så kallade slit-och-släng-kulturen, vilket bidrar till felaktig hantering av plastavfall och en ineffektiv användning av resurser. READ MORE

  5. 4. PLASTICS AND LOBBYIN G - lobby group success in the decision making phase of a policy

    University essay from Göteborgs universitet/Statsvetenskapliga institutionen

    Author : Alexandra Bengtsson; [2023-11-09]
    Keywords : Key words: European Union; lobbying; lobbying success; environmental policy ; single use plastics.;

    Abstract : In June 2019 a new legislation was in place targeting plastic pollution in the EU, banning the 10 most found single use plastic products ( SUP: s ) found in the marine environment. This was an important legislation where the EU lobby groups , mainly the environmental and the industry groups were lobbying the decision makers . READ MORE

  6. 5. Evaluating suppliers - A case study of plastic component suppliers at ABB Electrification Sweden AB

    University essay from Göteborgs universitet/Graduate School

    Author : Luisa Elke; Annkatrin Radecke; [2023-07-03]
    Keywords : Supplier selection; Plastic component supplier; Plastic specific criteria; BWM – SMART;

    Abstract : Choosing the right supplier is essential. Hence, supplier evaluation is of great importance for companies. However, it is associated with a high degree of complexity and is under-researched for plastic component suppliers. Therefore, this thesis studies supplier evaluation in the context of plastic component suppliers. READ MORE