A novel method for immobilization of heavy metals from MSW incinerator fly ash via use of Sorel cement
- Waste Treatment Center, Kosice (Slovakia)
- Univ. of Minnesota, Minneapolis, MN (United States)
Since fly ash contains a higher concentration of toxic elements than bottom ash, it is not usually possible to deposit it in ordinary landfills. The special landfill sites (ash monofills) for ash, which do not endanger ground water supplies are both temporary and an expensive solution and are not acceptable by people who live adjacent to them. According to the United States Supreme Court decision ruling on May 2, 1994, incinerator ash from municipal combustion facilities are subject to the Resource Conservation and Recovery Act as potentially hazardous waste. In the autumn of 1993, a research program was initiated by one of the authors to employ a novel method for stabilization of the fly ash from electrostatic precipitators. The novelty of this method is that it used by-products from magnesium processing plants to prepare magnesia cement, so called Sorel cement, to stabilize fly ash from MSWI. Sorel cement is a combination of magnesium oxide and magnesium chloride, currently by-products of a combination of magnesium oxide and magnesium chloride, currently by-products of magnesium processing operations. The main goal of this research program was to treat fly ash prior to its disposal and to investigate the possibility of utilizing a new ash-concrete product.
- OSTI ID:
- 485037
- Report Number(s):
- CONF-9604203-; TRN: IM9727%%205
- Resource Relation:
- Conference: 69. Annual meeting Minnesota Section SME, and 57. Annual University of Minnesota mining symposium, Duluth, MN (United States), 23-25 Apr 1996; Other Information: PBD: 1996; Related Information: Is Part Of 69. annual meeting Minnesota Section SME and 57. mining symposium University of Minnesota: Proceeding. Realizing new visions: Research, reengineering, reinvention; PB: 241 p.
- Country of Publication:
- United States
- Language:
- English
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