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Title:
Use of a stable carbon isotope to assess the efficiency of a drinking water treatment method with CO[sub]2
Authors:
ID
Poberžnik, Mojca
(
Author
)
ID
Leis, Albrecht
(
Author
)
ID
Lobnik, Aleksandra
(
Author
)
Files:
http://www.iwaponline.com/wst/06506/0983/065060983.pdf
Language:
English
Work type:
Unknown
Typology:
1.01 - Original Scientific Article
Organization:
FS - Faculty of Mechanical Engineering
Abstract:
CO2 gas with a special isotopic signature (?13C = -35.2% vs. VPDB) was used as a marker to evaluate the efficiency of a drinking water treatment method and the effect of an ultrasonic (US) stirrer. This treatment was developed to prevent precipitation and corrosion effects in water-supply systems. The research work was performed using a laboratory-scale pilot plant that was filled with tap water. The stable isotope analyses of ?13C-DIC (Dissolved Inorganic Carbon) in the water samples indicated that the maximum content of added CO2 gas in DIC was in the range of 35 to 45%. The use of the US stirrer during the entire experiment decreased the method's overall efficiency by 10%, due to degassing at a late stage of the experiment but accelerated the dissolution process in the early experimental stage.
Keywords:
13C stable isotope
,
carbon dioxide
,
carbonate equilibrium
,
corrosion
,
drinking water
,
limestone
Year of publishing:
2012
PID:
20.500.12556/DKUM-27253
UDC:
628.3
ISSN on article:
0273-1223
COBISS.SI-ID:
15813910
NUK URN:
URN:SI:UM:DK:O0TBGN06
Publication date in DKUM:
01.06.2012
Views:
2502
Downloads:
40
Metadata:
Categories:
Misc.
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Record is a part of a journal
Title:
Water science and technology
Shortened title:
Water sci. technol.
Publisher:
Pergamon Press
ISSN:
0273-1223
COBISS.SI-ID:
26617600
Secondary language
Language:
English
Title:
Use of a stable carbon isotope to assess the efficiency of a drinking water treatment method with CO2
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