Search for dissertations about: "recycling thesis"

Showing result 21 - 25 of 552 swedish dissertations containing the words recycling thesis.

  2. 21. Towards a sustainable society : aluminium recycling and biomass energy

    Author : Jessica Johansson; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; NATURVETENSKAP; NATURAL SCIENCES; recycling; biomass energy; alloying elements; crude steel; supply; quality; aluminium; down-cycling; agriculture; forestry;

    Abstract : .... READ MORE

  4. 22. Membrane filtration for the recycling of metal working fluids

    Author : Saleh M. Mahdi; Chalmers tekniska högskola; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; separation; microfiltration; membrane; cutting fluids; ultrafiltration; metalworking fluids; surfactant; disposal; micelle; recycling;

    Abstract : .... READ MORE

  5. 23. Recycling of concrete in new structural concrete

    Author : Madumita Sadagopan; Andrzej Cwirzen; Högskolan i Borås; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; concrete recycling; sustainability; closed-loop recycling; recycled aggregates; compressive strength; workability mechanical pre-processing; secondary cementitious materials; green concrete; climate-optimized concrete; Resource Recovery; Resursåtervinning;

    Abstract : Concrete waste as crushed concrete aggregates (CCA) in structural concrete gives a new purpose and prolongs the technical life of the reference concrete accomplishing closed loop recycling. This research investigates CCA as aggregate replacement in an industrial reference concrete recipe as fine aggregate fractions and overall aggregate replacement. READ MORE

  6. 24. Phosphorus recycling from wastewater to agriculture using reactive filter media

    Author : Victor Cucarella Cabañas; Gunno Renman; Dan Berggren Kleja; KTH; []
    Keywords : NATURVETENSKAP; NATURAL SCIENCES; Filtra P; phosphorus; Polonite; recycling; sorption; wollastonite; Water in nature and society; Vatten i natur och samhälle;

    Abstract : This thesis focused on testing the suitability of reactive filter media used for phosphorus (P) removal from wastewater as fertilizers, thus recycling P to agriculture. The work compared the P sorption capacity of several materials in order to assess their suitability as a source of P for plants. READ MORE

  7. 25. How visual ergonomics interventions influence health and performance - with an emphasis on non-computer work tasks

    Author : Hillevi Hemphälä; Ergonomi och aerosolteknologi; []
    Keywords : TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; light; eye; eyestrain; vision; illuminance; spectacles; glasses; lenses; surgery; postal workers; operating theatres; sorting; post; mail; recycling; recycling facilities;

    Abstract : Visual ergonomics evaluations and interventions were performed on non-computer work tasks at recycling facilities, post sorting facilities and operating theatres. The results can to some extent be applicable to other professions and workplaces. READ MORE