Miljöoptimera avfallsindustrin i Sverige
- återvinn restprodukten gips
IncinerationWasteGypsumFGD gypsum sulfur dioxideFlue gasByproductCombustionåtervinningGipsRökgasRestproduktRökrestSvaveldioxidFGD-gipsIndustrigipsFörbränningAvfall
One of the most common ways to produce heat and electricity in Europe today is by the incineration of waste or combustion of coal. These materials can be very sulfurous and during combustion sulfur dioxide is produced. This is an environmental and health related toxic substance which is why power plants have strict regulations on removing it from the flue gas. Sulfur dioxide is removed from the flue gas by adding a limestone reagent. The sulfur dioxide reacts with the limestone and the synthetic product obtained is ?Flue Gas Desulfurization gypsum?. This byproduct, from combustion, provides an environmentally friendly solution when used in building material such as plasterboards. The FGD gypsum that is being used in different types of building materials does not derive from waste incinerated power plants. We have more than 30 of these in Sweden and some of them get FGD gypsum as a byproduct. The purpose of this thesis was to find out whether a particular waste incineration plant in Sweden can reuse their gypsum waste instead of disposing it at landfill.