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Statements

Subject Item
n2:RIV%2F60461373%3A22320%2F12%3A43892947%21RIV13-MSM-22320___
rdf:type
skos:Concept n12:Vysledek
dcterms:description
This study deals with the treatment of hazardous waste landfill leachate with the help of reverse osmosis. The landfill is located in an abandoned brown coal pit in northern Bohemia. The leachate contained 7.2 g/L of dissolved inorganic salts. Among other contaminants were heavy metals, arsenic, ammonia nitrogen and associated organic pollutants, especially chlorinated compounds. A mobile membrane unit (LAB M30) equipped with a spiral wound element (FILMTEC SW30-4040), with a membrane area equaling 7.4m2 was used for the pilot plant experiments. All experiments were carried out in batch mode. 94% conversion of the input stream into the permeate was achieved by use of a two-stage arrangement. Removal efficiencies of the monitored contaminants in the feed ranged from 94% for ammonia nitrogen to 99% for the two-valent ions. Removal efficiency for total dissolved solids was 99.3% on average. Due to varying levels of humic acids in the leachate throughout the year, fouling experiments were performed to investigate the separation process under different conditions than those used in the pilot plant. Leachates containing different concentrations of added humic acids were separated using a thin film composite on a propylene membrane. The added humic acids were obtained from samples of contaminated oxihumolite. This study deals with the treatment of hazardous waste landfill leachate with the help of reverse osmosis. The landfill is located in an abandoned brown coal pit in northern Bohemia. The leachate contained 7.2 g/L of dissolved inorganic salts. Among other contaminants were heavy metals, arsenic, ammonia nitrogen and associated organic pollutants, especially chlorinated compounds. A mobile membrane unit (LAB M30) equipped with a spiral wound element (FILMTEC SW30-4040), with a membrane area equaling 7.4m2 was used for the pilot plant experiments. All experiments were carried out in batch mode. 94% conversion of the input stream into the permeate was achieved by use of a two-stage arrangement. Removal efficiencies of the monitored contaminants in the feed ranged from 94% for ammonia nitrogen to 99% for the two-valent ions. Removal efficiency for total dissolved solids was 99.3% on average. Due to varying levels of humic acids in the leachate throughout the year, fouling experiments were performed to investigate the separation process under different conditions than those used in the pilot plant. Leachates containing different concentrations of added humic acids were separated using a thin film composite on a propylene membrane. The added humic acids were obtained from samples of contaminated oxihumolite.
dcterms:title
The effect of humic acids on the reverse osmosis treatment of hazardous landfill leachate The effect of humic acids on the reverse osmosis treatment of hazardous landfill leachate
skos:prefLabel
The effect of humic acids on the reverse osmosis treatment of hazardous landfill leachate The effect of humic acids on the reverse osmosis treatment of hazardous landfill leachate
skos:notation
RIV/60461373:22320/12:43892947!RIV13-MSM-22320___
n12:predkladatel
n13:orjk%3A22320
n3:aktivita
n14:Z
n3:aktivity
Z(MSM6046137308)
n3:cisloPeriodika
207-208
n3:dodaniDat
n6:2013
n3:domaciTvurceVysledku
n4:6179223 n4:9411259 n4:5545250 n4:6674186 n4:9111832 n4:3830004 n4:4337239
n3:druhVysledku
n18:J
n3:duvernostUdaju
n7:S
n3:entitaPredkladatele
n8:predkladatel
n3:idSjednocenehoVysledku
133084
n3:idVysledku
RIV/60461373:22320/12:43892947
n3:jazykVysledku
n17:eng
n3:klicovaSlova
reverse osmosis, landfill leachate, huminové kyseliny
n3:klicoveSlovo
n5:reverse%20osmosis n5:landfill%20leachate n5:huminov%C3%A9%20kyseliny
n3:kodStatuVydavatele
BE - Belgické království
n3:kontrolniKodProRIV
[250E383C3250]
n3:nazevZdroje
Journal of Hazardous Materials
n3:obor
n20:DK
n3:pocetDomacichTvurcuVysledku
7
n3:pocetTvurcuVysledku
7
n3:rokUplatneniVysledku
n6:2012
n3:svazekPeriodika
2012
n3:tvurceVysledku
Kubal, Martin Kocurek, Pavel Patočka, Tomáš Podhola, Martin Šír, Marek Honzajková, Zuzana Kuraš, Mečislav
n3:zamer
n16:MSM6046137308
s:issn
0304-3894
s:numberOfPages
5
n19:doi
10.1016/j.jhazmat.2011.08.079
n9:organizacniJednotka
22320