Essays about: "Waste composition"

Showing result 1 - 5 of 136 essays containing the words Waste composition.

  1. 1. 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

  3. 2. Selected PFAS in the water treatment at the waste-to-energy plant in Umeå : Investigating concentration and composition of selected PFAS in different water treatment steps

    University essay from Umeå universitet/Institutionen för ekologi, miljö och geovetenskap

    Author : Amanda Carlund; [2023]
    Keywords : ;

    Abstract : The present study investigated the changes in concentration and composition of five selected PFAS substances in the water treatment at the waste-to-energy plant in Umeå. The five PFAS were PFHxA, PFHpA, PFOA, PFHxS and PFOS. As PFAS exists in a variety of consumer products, they will to some extent end up in waste incineration. READ MORE

  4. 3. The potential use of black soldier fly larvae residue as a fertilizer

    University essay from SLU/Dept. of Agricultural Biosystems and Techology

    Author : An-Marthe Ingelaere; [2023]
    Keywords : organic waste; fertilizer; black soldier fly; residue; physico-chemical characteristics; sub-Saharan Africa; socio-economic constraints;

    Abstract : In sub-Saharan Africa (SSA), the primary constraint of agriculture productivity has consistently been ascribed to soil fertility. A common approach to improve soil fertility is the use of fertilizers, both organic and inorganic. Though recently interest is increasing in the use of newer alternatives like biostimulants. READ MORE

  5. 4. Status Mapping of tank to grave management of Low-GWP refrigerants.

    University essay from KTH/Skolan för industriell teknik och management (ITM)

    Author : Sandra Parra Gimeno; [2023]
    Keywords : Refrigerant; Blends; Synthetic low-GWP refrigerant; Natural refrigerant; Global Warming Potential GWP ; Tank-to-grave; Interviews.; Köldmedier; Blandning; Globalt uppvärmningspotential GWP ; Låg-GWP köldmedier; Naturligt köldmedier; installation till destruktion; Intervjuer.;

    Abstract : Refrigeration plays a vital role today in various residential, commercial, and industrial processes, requiring refrigerants to facilitate the cooling or heating processes. Over time, refrigerants have undergone significant changes to meet technological, social, environmental, and economic needs. READ MORE

  6. 5. Investigating food waste composition in school catering with focus on carbon footprint

    University essay from SLU/Dept. of Energy and Technology

    Author : Runa Halvarsson; [2023]
    Keywords : waste composition analysis; plate waste; climate impact; elementary schools; canteens;

    Abstract : Food waste has a great impact on the environment and generates approximately 3.3 giga tonnes of CO2-eq annually. The SDG 12.3 set by the UN, to halve the global per capita food waste by 2030, is one of the measures that strives to combat this problem. READ MORE