4 Material und Umwelt
Filtern
Erscheinungsjahr
- 2019 (2) (entfernen)
Dokumenttyp
- Buchkapitel (2)
Sprache
- Englisch (2) (entfernen)
Referierte Publikation
- nein (2) (entfernen)
Schlagworte
- Eco-efficiency analysis (1)
- Exergy (1)
- Groundwater (1)
- Lfe cycle assessment (1)
- Permeable reactive barriers (1)
- Uranium (1)
- Waste treatment (1)
Organisationseinheit der BAM
- 4.3 Schadstofftransfer und Umwelttechnologien (2) (entfernen)
Waste, Evaluation Methods
(2019)
It is difficult to decide which waste management system fulfills best predefined sustainability goals such as maximum materials and energy recovery, least environmental impact, and lowest societal cost. Such decisions are based on many parameters. However, several evaluation methods exist with different scope and output, and the application of one or more evaluation methods provides an objective comparison of alternatives.
Since it was realized that sites contaminated with metals and radionuclides needed treatment, various remediation methods have been and are being developed. Depending on the size of the contaminated site and urgency of intervention, conventional or recently introduced techniques have been used. Conventional techniques include excavation and removal for treatment of soil and contaminants, or the so-called “pump-and-treat” method, in which contaminated groundwater is removed from the ground by pumping and treated in a treatment plant on the surface. It has the advantage of using proven techniques and is easy to control, and the treated groundwater can be reinjected into the ground or discharged in rivers or lakes. Novel methods include permeable reactive barriers, biomineralization, and electrokinetic remediation.