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Statements

Subject Item
n2:RIV%2F61989100%3A27350%2F14%3A86088486%21RIV15-MZE-27350___
rdf:type
n18:Vysledek skos:Concept
dcterms:description
The biomass ash (BA) from wooden chip combustion was used in the treatment of acid mine drainage (AMD) from open cast brown coal mining in the Czech Republic. The used AMD is characteristic of high contents of SO42- (1576 mg.l-1), Fe (20 mg.l-1), Al (15 mg.l-1), Mn (5 mg.l-1) and low pH (2.7), which need to be adjusted. The biomass ash samples were obtained through the combustion of wooden chips in an industrial boiler in Hodonín Power Plant, Czech Republic, and they predominantly contain SiO2 (45 wt.%), CaO (17 wt.%), Al2O3 (13 wt. %), MgO (6 wt.%), Fe2O3 (4 wt.%), K2O (3 wt.%), SO3 (3 wt.%), P2O5 (2 wt.%), unburnt materials and metals. The AMD treatment process included dosing of biomass ash (doses of 2.9 g, 6 g and 20 g of BA) to adjust the pH values to 8, 10, 12. The experiments observed the pH values and turbidity in selected time intervals within 7 days. Samples were analysed for metal contents, which had been abundant either in AMD or ash, or in AMD and ash simultaneously, in selected times of occurrence of the changes in pH and turbidity. After treatment by biomass ash (at the end of the experiment after dosing of 2.9 g, 6 g and 20 g of BA), the AMD was examined for the concentrations of Ca (449, 422 and 376 mg.l-1), Mg (135, 82 and 7 mg.l-1), K (14, 21 and 54 mg.l-1), Na (127, 123 and 172 mg.l-1), Fe (below the detection limit (bd) in all cases), Mn (1.4, 0.063 mg.l-1 and bd), Al (bd in all cases), As (0.005, 0.003 mg.l-1 and bd), Ba (0.08, 0.06 and 0.1mg.l-1), Sr (3, 3 and 4 mg.l-1), Zn (bd in all cases), Cr (bd in all cases), Cu (bd in all cases), Ni (0.06, bd and bd), Cd (bd in all cases), Co (0.04 mg.l-1, bd, bd) and Pb (bd in all cases). In all the cases, AMD treatment by the applied doses of biomass ash was effective. In addition, there was no harm caused to the environment since the technology didn't involve any release of hazardous elements from the used ash samples into the aqueous medium. The biomass ash (BA) from wooden chip combustion was used in the treatment of acid mine drainage (AMD) from open cast brown coal mining in the Czech Republic. The used AMD is characteristic of high contents of SO42- (1576 mg.l-1), Fe (20 mg.l-1), Al (15 mg.l-1), Mn (5 mg.l-1) and low pH (2.7), which need to be adjusted. The biomass ash samples were obtained through the combustion of wooden chips in an industrial boiler in Hodonín Power Plant, Czech Republic, and they predominantly contain SiO2 (45 wt.%), CaO (17 wt.%), Al2O3 (13 wt. %), MgO (6 wt.%), Fe2O3 (4 wt.%), K2O (3 wt.%), SO3 (3 wt.%), P2O5 (2 wt.%), unburnt materials and metals. The AMD treatment process included dosing of biomass ash (doses of 2.9 g, 6 g and 20 g of BA) to adjust the pH values to 8, 10, 12. The experiments observed the pH values and turbidity in selected time intervals within 7 days. Samples were analysed for metal contents, which had been abundant either in AMD or ash, or in AMD and ash simultaneously, in selected times of occurrence of the changes in pH and turbidity. After treatment by biomass ash (at the end of the experiment after dosing of 2.9 g, 6 g and 20 g of BA), the AMD was examined for the concentrations of Ca (449, 422 and 376 mg.l-1), Mg (135, 82 and 7 mg.l-1), K (14, 21 and 54 mg.l-1), Na (127, 123 and 172 mg.l-1), Fe (below the detection limit (bd) in all cases), Mn (1.4, 0.063 mg.l-1 and bd), Al (bd in all cases), As (0.005, 0.003 mg.l-1 and bd), Ba (0.08, 0.06 and 0.1mg.l-1), Sr (3, 3 and 4 mg.l-1), Zn (bd in all cases), Cr (bd in all cases), Cu (bd in all cases), Ni (0.06, bd and bd), Cd (bd in all cases), Co (0.04 mg.l-1, bd, bd) and Pb (bd in all cases). In all the cases, AMD treatment by the applied doses of biomass ash was effective. In addition, there was no harm caused to the environment since the technology didn't involve any release of hazardous elements from the used ash samples into the aqueous medium.
dcterms:title
ACID MINE DRAINAGE TREATMENT BY ASH FROM WOODEN CHIP COMBUSTION: STUDY OF MINE WATER COMPOSITION IN DEPENDENCE ON THE ASH DOSE AND DURATION OF MUTUAL INTERACTION ACID MINE DRAINAGE TREATMENT BY ASH FROM WOODEN CHIP COMBUSTION: STUDY OF MINE WATER COMPOSITION IN DEPENDENCE ON THE ASH DOSE AND DURATION OF MUTUAL INTERACTION
skos:prefLabel
ACID MINE DRAINAGE TREATMENT BY ASH FROM WOODEN CHIP COMBUSTION: STUDY OF MINE WATER COMPOSITION IN DEPENDENCE ON THE ASH DOSE AND DURATION OF MUTUAL INTERACTION ACID MINE DRAINAGE TREATMENT BY ASH FROM WOODEN CHIP COMBUSTION: STUDY OF MINE WATER COMPOSITION IN DEPENDENCE ON THE ASH DOSE AND DURATION OF MUTUAL INTERACTION
skos:notation
RIV/61989100:27350/14:86088486!RIV15-MZE-27350___
n3:aktivita
n14:S n14:P
n3:aktivity
P(EE2.3.30.0016), P(QI112A132), S
n3:cisloPeriodika
9
n3:dodaniDat
n10:2015
n3:domaciTvurceVysledku
n8:7721889 n8:5454328 Klimko, Tomáš n8:8393370 n8:4104897
n3:druhVysledku
n12:J
n3:duvernostUdaju
n17:S
n3:entitaPredkladatele
n15:predkladatel
n3:idSjednocenehoVysledku
1451
n3:idVysledku
RIV/61989100:27350/14:86088486
n3:jazykVysledku
n13:eng
n3:klicovaSlova
metals; pH; treatment; ash; biomass; (AMD); drainage; mine; acid
n3:klicoveSlovo
n4:biomass n4:acid n4:pH n4:metals n4:drainage n4:mine n4:ash n4:%28AMD%29 n4:treatment
n3:kodStatuVydavatele
RO - Rumunsko
n3:kontrolniKodProRIV
[C5EC289CF13B]
n3:nazevZdroje
Carpathian Journal of Earth and Environmental Sciences
n3:obor
n5:DJ
n3:pocetDomacichTvurcuVysledku
5
n3:pocetTvurcuVysledku
6
n3:projekt
n7:QI112A132 n7:EE2.3.30.0016
n3:rokUplatneniVysledku
n10:2014
n3:svazekPeriodika
2
n3:tvurceVysledku
Klimko, Tomáš Kučerová, Lucie Heviánková, Silvie Kyncl, Miroslav Špakovská, Barbora Bílská, Zuzana
s:issn
1842-4090
s:numberOfPages
12
n16:organizacniJednotka
27350