Sökning: "återanvändning av avfall"

Hittade 4 avhandlingar innehållade orden återanvändning av avfall.

  1. 1. Chemical Speciation of Sulfur and Metals in Biogas Reactors : Implications for Cobalt and Nickel Bio-uptake Processes

    Författare :Sepehr Shakeri Yekta; Bo Svensson; Ulf Skyllberg; Åsa Danielsson; Charles Banks; Linköpings universitet; []
    Nyckelord :NATURVETENSKAP; NATURAL SCIENCES; TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Biogas; Anaerobic digestion; Chemical speciation; bio-uptake; Sulfur; Iron; Cobalt; Nickel; Biogas; Anaerob nedbrytning; Kemisk speciering; Bio-upptag; Svavel; Järn; Kobolt; Nickel;

    Sammanfattning : A balanced supply of micronutrients, including metals such as iron (Fe), cobalt (Co), and nickel (Ni), is required for the efficient and stable production of biogas. During biogas formation, the uptake of micronutrient metals by microorganisms is controlled by a complex network of biological and chemical reactions, in which reduced sulfur (S) compounds play a central role. LÄS MER

  3. 2. Implementing resource recovery from urban organic waste in low- and middle-income countries : Tools to support planners and policy makers

    Författare :Daniel Ddiba; Elisabeth Ekener; Göran Finnveden; Sarah Dickin; Elizabeth Tilley; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; biowaste; circular economy; decision support tools; environmental governance; faecal sludge management; governance capacity; resource recovery; sustainable sanitation; sustainable urban development; waste management; waste reuse; Takataka; uchumi mzunguko; zana za usaidizi wa maamuzi; utawala wa mazingira; udhabiti wa uchafu wa kinyesi; uwezo wa utawala; urejeshi wa rasilimali; usafi wa mazingira endelevu; maendeleo endelevu ya mijini; usimamizi wa taka; kutumia tena taka; organiskt avfall; cirkulär ekonomi; verktyg för beslutsstöd; miljöstyrning; slamhantering; förvaltningskapacitet; resursåtervinning; hållbar sanitet; hållbar stadsutveckling; avfallshantering; återanvändning av avfall; residuos orgánicos; economía circular; herramientas de apoyo a la toma de decisiones; gobernanza ambiental; manejo de lodos fecales; capacidad de gobernanza; recuperación de recursos; saneamiento sostenible; desarrollo urbano sostenible; gestión de residuos; reutilización de residuos; Strategier för hållbar utveckling; Strategies for sustainable development;

    Sammanfattning : Globally, there is increasing awareness of the importance of applying circular economy principles to the management of organic waste streams through resource recovery. This is especially relevant in urban areas of low- and middle-income countries which are going to host a significant part of population growth over the next few decades. LÄS MER

  4. 3. Emerging technologies for climate-neutral urban areas : An Industrial Ecology perspective

    Författare :Asterios Papageorgiou; Cecilia Sundberg; Rajib Sinha; Maria Malmström; Ola Eriksson; KTH; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; Urban areas; climate neutrality; solar microgrid; biochar; Life Cycle Assessment; Material and Energy Flow Analysis; Substance Flow Analysis; Urbana områden; klimatneutralitet; solmikronät; biokol; livscykelanalys; material- och energiflödesanalys; substansflödesanalyss; Industrial Ecology; Industriell ekologi;

    Sammanfattning : The ever-increasing concentration of human activity in urban areas induces environmental problems beyond their boundaries on scales ranging from local to regional to global, such as resource depletion, land degradation, air and water pollution and climate change. Human-induced climate change is widely acknowledged as one of the greatest sustainability challenges of the present century and it is inextricably linked to urbanization. LÄS MER

  5. 4. Life-Cycle Energy and Carbon Implications of Wood-Based Products and Construction

    Författare :Roger Sathre; Leif Gustavsson; Birger Solberg; Mittuniversitetet; []
    Nyckelord :TEKNIK OCH TEKNOLOGIER; ENGINEERING AND TECHNOLOGY; forest products; climate change mitigation; carbon balance; energy; life cycle; wood; land use; Environmental engineering; Miljöteknik;

    Sammanfattning : Forests can be an important element of an overall strategy to limit the atmospheric concentration of carbon dioxide (CO2) that contributes to climate change. As an integral part of the global carbon cycle, forests remove CO2 from the atmosphere as they grow, and accumulate carbon in tree biomass. LÄS MER