Sökning: "Green plastic"

Visar resultat 1 - 5 av 48 uppsatser innehållade orden Green plastic.

  1. 1. Microbial production of chemical building blocks from lignin

    Master-uppsats, Lunds universitet/Teknisk mikrobiologi

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

    Sammanfattning : 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. LÄS MER

  3. 2. Integrating Waste Heat from Hydrogen Production Into District Heating

    Master-uppsats, Lunds universitet/Institutionen för energivetenskaper

    Författare :Fawzi Kayali; [2023]
    Nyckelord :Hydrogen; Electrolysis; Waste Heat Recovery; Combined Heat and Power Plant; District Heating; Simulation; Sustainable Heating Systems; Technology and Engineering;

    Sammanfattning : The aim of this research is to explore the feasibility of the integration of waste heat from electrolyzers within a Combined Heat and Power (CHP) plant and district heating (DH) network and suggest a practical setup for integration. With the escalating emphasis on the development of green hydrogen through electrolysis powered by renewable energy, a substantial amount of waste heat is generated, typically left unused. LÄS MER

  4. 3. The impact of green taxes on waste reduction – A case study of the impact of two Spanish taxes to support the transition to a Circular Economy

    Master-uppsats, Uppsala universitet/Institutionen för geovetenskaper

    Författare :Lucía Cañas Rivera; [2023]
    Nyckelord :Circular Economy; Green Taxes; Landfill; LRSC; Plastic; SMEs; Waste;

    Sammanfattning : The current global waste problem presents significant challenges worldwide, and Spain is no different. Factors such as rapid urbanization, population growth, intensive agriculture, linear production models, and changing consumption patterns contribute to the upward trend in waste generation. LÄS MER

  5. 4. Förekomsten av tungmetaller i Grön betong : En studie om tungmetaller i grön betong jämfört med Naturvårdsverketsriktlinjer.

    M1-uppsats, Karlstads universitet

    Författare :Ali masih Heidari; Ehsan Hashemi; [2023]
    Nyckelord :Green concrete; Grön betong; Tungmetaller; Merit; Anläggningscement FA;

    Sammanfattning : Examensarbetet som omfattar 22,5 högskolepoäng har utförs som den slutliga delen avhögskoleingenjörsprogrammet i byggteknik, inriktning husbyggnad vid KarlstadsUniversitet.  Hållbarhet är ett viktigt ämne som berör företag av alla slag. Ingen bransch kan undvika attfundera över hur de kan främja hållbarhet. LÄS MER

  7. 5. VISUAL ONION GROWTH STAGEDETERMINATION USING CNNS

    Master-uppsats, Mälardalens universitet/Akademin för innovation, design och teknik

    Författare :Tony Mugisha; Pontus Gustavsson; [2023]
    Nyckelord :;

    Sammanfattning : With the growing agricultural sector, the demand for more harvest is increasing. Thus next stepin development is automating the agriculture sector. Onions are widely used in various dishes andhold a significant position as a crop of focus for Ekobot. LÄS MER