UTYLIZATION METHODS OF SLAGS AND ASH FROM WASTE INCINERATION PLANTS | Zendy

Janusz Mikuła | Zendy; Michał Łach | Zendy; Dariusz Mierzwiński | Zendy

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UTYLIZATION METHODS OF SLAGS AND ASH FROM WASTE INCINERATION PLANTS

Author(s) -

Janusz Mikuła,

Michał Łach,

Dariusz Mierzwiński

Publication year - 2017

Publication title -

journal of ecological engineering

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.311

H-Index - 19

eISSN - 2392-0629

pISSN - 2081-139X

DOI - 10.12912/23920629/68331

Subject(s) - incineration , waste management , incinerator bottom ash , bottom ash , environmental science , slag (welding) , fly ash , metallurgy , engineering , materials science

The paper presents modern management methods, solidification and immobilization of ash and slag from waste incineration plants. The innovative technologies for solving this kind of problem were described. Results focused on the most promising technologies of solidification, among others geopolymerization processes. The paper presents examples of the results of solidified ash and slag in the geopolymer matrix. The studies showed that the leachable of heavy metals from the geopolymer matrix containing ashes from the incineration of municipal waste qualifies them for storage in landfills for non-hazardous and inert. Moreover, these studies demonstrated practically 100% effectiveness for immobilization of the elements: bar (Ba), cadmium (Cd), zinc (Zn), mercury (Hg), nickel (Ni), lead (Pb). In the case of chromium III (Cr+3) 97% level of effectiveness of the immobilization was achieved. In order to immobilize chromium VI (Cr+6) introduced additions of sulfur compounds. The study confirmed the low efficiency of the immobilization of: arsenic (As), selenium (Se) and molybdenum (Mo).

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