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  2. Glass recycling - Wikipedia

    en.wikipedia.org/wiki/Glass_recycling

    Reusable glass or plastic (PET) bottles are available for many drinks, especially beer and carbonated water as well as soft drinks (Mehrwegflaschen). The deposit per bottle (Pfand) is €0.08-€0.15, compared to €0.25 for recyclable but not reusable plastic bottles. There is no deposit for glass bottles which do not get refilled.

  3. Recycling by material - Wikipedia

    en.wikipedia.org/wiki/Recycling_by_material

    Crushing concrete from an airfield Concrete recycling is the use of rubble from demolished concrete structures. Recycling is cheaper and more ecological than trucking rubble to a landfill. [3] Crushed rubble can be used for road gravel, revetments, retaining walls, landscaping gravel, or raw material for new concrete. Large pieces can be used ...

  4. Bottle recycling - Wikipedia

    en.wikipedia.org/wiki/Bottle_recycling

    Recycling one glass bottle can save enough energy to power a computer for 25 minutes. [5] In fact for every 10% of cullet added to the production of a new bottle, energy usage goes down by 3-4%. [2] Recycling one ton of glass can save approximately 42 kWh of energy which translates to 7.5 pounds of air pollutants not being released into the ...

  5. Lime (material) - Wikipedia

    en.wikipedia.org/wiki/Lime_(material)

    Selenitic lime, also known as Scotts' cement after Henry Young Darracott Scott, is a cement of grey chalk or similar lime, such as in the Lias Group, with about 5% added gypsum plaster (calcined gypsum). [13] Selenite is a type of gypsum, but selenitic cement may be made using any form of sulfate or sulfuric acid. [18]

  6. Calcination - Wikipedia

    en.wikipedia.org/wiki/Calcination

    Calcium oxide is a crucial ingredient in modern cement, and is also used as a chemical flux in smelting. Industrial calcination generally emits carbon dioxide (CO 2 ). A calciner is a steel cylinder that rotates inside a heated furnace and performs indirect high-temperature processing (550–1150 °C, or 1000–2100 °F) within a controlled ...

  7. Making cement is very damaging for the climate. One solution ...

    www.aol.com/news/making-cement-very-damaging...

    Cement makes up 10-15% of concrete by volume, but accounts for 88% of concrete’s considerable emissions. Other ingredients in concrete are sand, gravel, crushed stone and water.

  8. Waste light concrete - Wikipedia

    en.wikipedia.org/wiki/Waste_light_concrete

    As a comparison, plastic road claims to dispose 8–10 kg (or 4-6%) of selected and washed plastic waste in the road surface per tons of asphalt, [4] while waste light concrete can dispose around 800 kg / tons of road base concrete with only low energy consumption shredding and mixing at room temperature. However, these two technologies can be ...

  9. Remediation of contaminated sites with cement - Wikipedia

    en.wikipedia.org/wiki/Remediation_of...

    Portland cement has been used to treat more contaminated material than any other S/S binding agent because of its ability to bind free liquids, reduce permeability, encapsulate hazardous materials, and reduce the toxicity of certain contaminants. Lime can be used to adjust the pH of the substance of drive off water by using high heats of hydration.