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  2. Waste-to-energy - Wikipedia

    en.wikipedia.org/wiki/Waste-to-energy

    Waste-to-energy (WtE) or energy-from-waste (EfW) refers to a series of processes designed to convert waste materials into usable forms of energy, typically electricity or heat. As a form of energy recovery, WtE plays a crucial role in both waste management and sustainable energy production by reducing the volume of waste in landfills and ...

  3. Waste-to-energy plant - Wikipedia

    en.wikipedia.org/wiki/Waste-to-energy_plant

    Waste-to-energy plants in the United States. Most waste-to-energy plants burn municipal solid waste, but some burn industrial waste or hazardous waste. A modern, properly run waste-to-energy plant sorts material before burning it and can co-exist with recycling. The only items that are burned are not recyclable, by design or economically, and ...

  4. Sustainable energy - Wikipedia

    en.wikipedia.org/wiki/Sustainable_energy

    These impacts range from greenhouse gas emissions and air pollution to energy poverty and toxic waste. Renewable energy sources such as wind, hydro, solar, and geothermal energy can cause environmental damage but are generally far more sustainable than fossil fuel sources. The role of non-renewable energy sources in sustainable energy is ...

  5. Co-processing - Wikipedia

    en.wikipedia.org/wiki/Co-processing

    Co-processing is the use of waste as raw material, or as a source of energy, or both to replace natural mineral resources (material recycling) and fossil fuels such as coal, petroleum and gas (energy recovery) in industrial processes, mainly in energy intensive industries (EII) such as cement, lime, steel, glass, and power generation.

  6. Waste management - Wikipedia

    en.wikipedia.org/wiki/Waste_management

    Using energy recovery to convert non-recyclable waste materials into electricity and heat, generates a renewable energy source and can reduce carbon emissions by offsetting the need for energy from fossil sources as well as reduce methane generation from landfills. [51] Globally, waste-to-energy accounts for 16% of waste management. [52]

  7. Energy recycling - Wikipedia

    en.wikipedia.org/wiki/Energy_recycling

    Energy recycling is the energy recovery process of using energy that would normally be wasted, usually by converting it into electricity or thermal energy.Undertaken at manufacturing facilities, power plants, and large institutions such as hospitals and universities, it significantly increases efficiency, thereby reducing energy costs and greenhouse gas pollution simultaneously.

  8. Biogas - Wikipedia

    en.wikipedia.org/wiki/Biogas

    Biogas is a gaseous renewable energy source [1] produced from raw materials such as agricultural waste, manure, municipal waste, plant material, sewage, green waste, wastewater, and food waste. Biogas is produced by anaerobic digestion with anaerobic organisms or methanogens inside an anaerobic digester, biodigester or a bioreactor.

  9. Sustainable materials management - Wikipedia

    en.wikipedia.org/wiki/Sustainable_materials...

    Sustainable Materials Management is a broad approach that overlaps and supplements many programs and concepts being adopted by governments and business around the world including zero waste, green chemistry, eco-labeling, sustainable supply-chain management, lean manufacturing, green procurement, the US EPA’s Design for the Environment ...