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Statements

Subject Item
n2:RIV%2F70565813%3A_____%2F14%3A%230000383%21RIV15-MV0-70565813
rdf:type
n7:Vysledek skos:Concept
rdfs:seeAlso
http://www.hrpub.org/download/20140701/CME2-15502345.pdf
dcterms:description
Lead wastes are melted in the complex of Kovohutě Příbram nástupnická, a.s., mostly from discarded (broken) lead starter accumulators. Burning of coke in a charge inside a blast furnace causes melting of lead and its reduction. The melting is continually discharged into a siphon and subsequently tapped into moulds. Measurements of distribution of nano- and micro-particle were performed during the described operations. Meanwhile, the particles were collected on filters to analyse their shapes and chemical compositions; we also measured efficiency of regular respirators. Spherical, cubic, cuboid, cylinder and amorphous particles were found, with the prevailing composition of Pb and PbS alloys. However, the atmosphere in the furnace proximity contained also particles of other heavy metals that are considered high-risk elements from the viewpoint of toxicity. The work also includes a discussion about toxicity and how it is affected by composition and shape of the particles. Lead wastes are melted in the complex of Kovohutě Příbram nástupnická, a.s., mostly from discarded (broken) lead starter accumulators. Burning of coke in a charge inside a blast furnace causes melting of lead and its reduction. The melting is continually discharged into a siphon and subsequently tapped into moulds. Measurements of distribution of nano- and micro-particle were performed during the described operations. Meanwhile, the particles were collected on filters to analyse their shapes and chemical compositions; we also measured efficiency of regular respirators. Spherical, cubic, cuboid, cylinder and amorphous particles were found, with the prevailing composition of Pb and PbS alloys. However, the atmosphere in the furnace proximity contained also particles of other heavy metals that are considered high-risk elements from the viewpoint of toxicity. The work also includes a discussion about toxicity and how it is affected by composition and shape of the particles.
dcterms:title
Quantities and Distribution of Nano Metal and Micro-Particles at a Melting Furnace for Lead Wastes Quantities and Distribution of Nano Metal and Micro-Particles at a Melting Furnace for Lead Wastes
skos:prefLabel
Quantities and Distribution of Nano Metal and Micro-Particles at a Melting Furnace for Lead Wastes Quantities and Distribution of Nano Metal and Micro-Particles at a Melting Furnace for Lead Wastes
skos:notation
RIV/70565813:_____/14:#0000383!RIV15-MV0-70565813
n3:aktivita
n15:P
n3:aktivity
P(VG20102014049)
n3:cisloPeriodika
2
n3:dodaniDat
n14:2015
n3:domaciTvurceVysledku
n11:7143753 n11:9146547 n11:9756450 n11:1571699
n3:druhVysledku
n16:J
n3:duvernostUdaju
n18:S
n3:entitaPredkladatele
n13:predkladatel
n3:idSjednocenehoVysledku
41103
n3:idVysledku
RIV/70565813:_____/14:#0000383
n3:jazykVysledku
n8:eng
n3:klicovaSlova
Metalnano- and Micro-Particles; Respirator; Lead; Heavy Metals
n3:klicoveSlovo
n5:Lead n5:Heavy%20Metals n5:Respirator n5:Metalnano-%20and%20Micro-Particles
n3:kodStatuVydavatele
US - Spojené státy americké
n3:kontrolniKodProRIV
[31BECDCF7B55]
n3:nazevZdroje
chemical and Materials engineering
n3:obor
n19:CF
n3:pocetDomacichTvurcuVysledku
4
n3:pocetTvurcuVysledku
5
n3:projekt
n17:VG20102014049
n3:rokUplatneniVysledku
n14:2014
n3:svazekPeriodika
2014
n3:tvurceVysledku
Klouda, Karel Brádka, Stanislav Otáhal, Petr Cejpek, Jiří
s:issn
2332-1032
s:numberOfPages
13
n9:doi
10.13189/cme.2014.020502