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Statements

Subject Item
n2:RIV%2F61989100%3A27350%2F14%3A86091887%21RIV15-MSM-27350___
rdf:type
n4:Vysledek skos:Concept
rdfs:seeAlso
http://www.potopk.republika.pl/archiwum.html
dcterms:description
In this study, the possibility of using electrodialysis for the treatment of mine water from coal mining is investigated. The research is focused on mine water in the coal mine Československá armáda (ČSA) and Jan Šverma (JŠ). The main contaminants of mine water are sulphates, iron and manganese. Treatment process of this mine water consists of neutralization, oxidation, precipitation of iron and manganese, thickening of the mine water sludge, its flocculation and drainage using the pressure filtration. When compared to conventional technologies of water treatment, membrane technology has a number of advantages (high quality treated water at lower quantities of chemical agents, high selectivity and low energy demands). When considering an application of this technology, it is important to primarily reduce the negative impacts of the raw mine water chemism on the used semipermeable membranes. In particular, it is important to prevent the formation of low soluble (insoluble) salts which would otherwise negatively influence the mine desalination process by electrodialysis. The electrodialysis tests were carried out on the lab-scale units EDR-Z/10-0.8 (Mega a.s., Stráž pod Ralskem). The first part of the research was focused on the determination of specifications and operating parameters for the maximum of desalination rate. The laboratory tests were operated in batch mode and feed and bleed mode. The results show that electrodialysis is suitable for treatment of mine water, with contaminant removal efficiencies 90 %. The second part of the research was focused on the reducing of waste products of electrodialysis (concentrate). In the present work was achieved a reduction of concentrate stream from 50 % to 1 % of the total volume of feed water. In this study, the possibility of using electrodialysis for the treatment of mine water from coal mining is investigated. The research is focused on mine water in the coal mine Československá armáda (ČSA) and Jan Šverma (JŠ). The main contaminants of mine water are sulphates, iron and manganese. Treatment process of this mine water consists of neutralization, oxidation, precipitation of iron and manganese, thickening of the mine water sludge, its flocculation and drainage using the pressure filtration. When compared to conventional technologies of water treatment, membrane technology has a number of advantages (high quality treated water at lower quantities of chemical agents, high selectivity and low energy demands). When considering an application of this technology, it is important to primarily reduce the negative impacts of the raw mine water chemism on the used semipermeable membranes. In particular, it is important to prevent the formation of low soluble (insoluble) salts which would otherwise negatively influence the mine desalination process by electrodialysis. The electrodialysis tests were carried out on the lab-scale units EDR-Z/10-0.8 (Mega a.s., Stráž pod Ralskem). The first part of the research was focused on the determination of specifications and operating parameters for the maximum of desalination rate. The laboratory tests were operated in batch mode and feed and bleed mode. The results show that electrodialysis is suitable for treatment of mine water, with contaminant removal efficiencies 90 %. The second part of the research was focused on the reducing of waste products of electrodialysis (concentrate). In the present work was achieved a reduction of concentrate stream from 50 % to 1 % of the total volume of feed water.
dcterms:title
APPLICATION OF MEMBRANE PROCESSES FOR MINE WATER TREATMENT APPLICATION OF MEMBRANE PROCESSES FOR MINE WATER TREATMENT
skos:prefLabel
APPLICATION OF MEMBRANE PROCESSES FOR MINE WATER TREATMENT APPLICATION OF MEMBRANE PROCESSES FOR MINE WATER TREATMENT
skos:notation
RIV/61989100:27350/14:86091887!RIV15-MSM-27350___
n5:aktivita
n16:P
n5:aktivity
P(ED2.1.00/03.0082)
n5:cisloPeriodika
2
n5:dodaniDat
n14:2015
n5:domaciTvurceVysledku
n6:2555662 n6:5447038 n6:4905202 n6:9302298
n5:druhVysledku
n17:J
n5:duvernostUdaju
n8:S
n5:entitaPredkladatele
n11:predkladatel
n5:idSjednocenehoVysledku
3768
n5:idVysledku
RIV/61989100:27350/14:86091887
n5:jazykVysledku
n18:eng
n5:klicovaSlova
mine water, electrodialysis, concentrate, diluate, feed water
n5:klicoveSlovo
n12:feed%20water n12:concentrate n12:diluate n12:electrodialysis n12:mine%20water
n5:kodStatuVydavatele
PL - Polská republika
n5:kontrolniKodProRIV
[894550B6EAD9]
n5:nazevZdroje
Inžynieria Mineralna
n5:obor
n15:DJ
n5:pocetDomacichTvurcuVysledku
4
n5:pocetTvurcuVysledku
5
n5:projekt
n13:ED2.1.00%2F03.0082
n5:rokUplatneniVysledku
n14:2014
n5:svazekPeriodika
34
n5:tvurceVysledku
Chromíková, Jitka Malíková, Petra Matúšková, Veronika Volavková, Lenka Thomas, Jan
s:issn
1640-4920
s:numberOfPages
6
n9:organizacniJednotka
27350