Essays about: "about recycle"

Showing result 1 - 5 of 48 essays containing the words about recycle.

  1. 1. Integrating Waste Heat from Hydrogen Production Into District Heating

    University essay from Lunds universitet/Institutionen för energivetenskaper

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

    Abstract : 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. READ MORE

  3. 2. Centering farmer perspectives on a dry-fertiliser made from human urine: a case study on Gotland, Sweden

    University essay from Lunds universitet/LUCSUS

    Author : Nicola Parfitt; [2023]
    Keywords : circular nutrient economy; human urine fertiliser; ecological sanitation; eutrophication; sustainability science; Social Sciences;

    Abstract : To reduce eutrophication and close the nutrient loop between sanitation and agriculture, innovations to recycle human waste are being further developed. As there is little research on Swedish farmer perspectives towards human urine fertilisers, this study investigates Gotlandic farmer perspectives on a dry-fertiliser derived from human urine, developed by Sanitation360. READ MORE

  4. 3. Recycling a non-contiguous matrix as workspace : Instance of packaging & cutting problem

    University essay from Umeå universitet/Institutionen för datavetenskap

    Author : Oscar Nilsson; [2023]
    Keywords : matrix; matrices; memory;

    Abstract : This report explores a common issue in a system involving matrices, namely the mismatch between the allocation and deallocation ratios. This results in more matrices being allocated than deallocated, eventually leading to insufficient memory. The mismatch in the ratio is an implication of how matrices are normally used. READ MORE

  5. 4. Sustainable Polymer Production: Investigating Synthesis and Copolymerization of Cyclic Ketene Acetals

    University essay from KTH/Kemiteknik

    Author : Soufian Bourraman; Stella Staffas; Adam Brandt; Simon Isaksson; [2023]
    Keywords : Monomers; polymers; radical; radical ring opening polymerization; polymerization; BMDO; MMA; MVL; MBL; comonomer; copolymer; rROP; sustainable; biobased; degradable; monomer synthesis; plastic; polyester; bulk; solution; NMR; FTIR; TGA; DSC; SEC; hydrolysis; molecular weight; diol; ester bonds;

    Abstract : The large amount of non-degradable plastic waste has become a significant environmental concern, leading to an increased need for degradable plastics. Here in, to create degradable polymers, polyesters were produced through radical ring opening polymerization using cyclic ketene acetals. READ MORE

  6. 5. Potential for Enhanced Biological Phosphorus Removal in an activated sludge system for greywater

    University essay from Lunds universitet/Kemiteknik (CI)

    Author : Mehrzad Ghassemi; [2022]
    Keywords : Greywater; EBPR; Phosphorus; Biological treatment; Water and environmental engineering; Technology and Engineering;

    Abstract : As the world's population grows, concerns about water scarcity and rising pollution such as phosphorus and nitrogen have increased significantly. Greywater has been considered by researchers as an ideal alternative to fresh water for decades, and several projects have been implemented to treat and recycle it for various reuse purposes. READ MORE