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ASTM Selected Technical Papers
Power Plant Instrumentation for Measurement of High-Purity Water Quality
By
RW Lane
RW Lane
1
Illinois State Water Survey
,
Urbana, Ill. 61801
;
symposium chairman and editor
.
Search for other works by this author on:
G Otten
G Otten
2
Puricons, Inc.
,
Berwyn, Pa. 19312
;
symposium chairman and editor
.
Search for other works by this author on:
ISBN-10:
0-8031-0798-6
ISBN:
978-0-8031-0798-4
No. of Pages:
243
Publisher:
ASTM International
Publication date:
1981

For the past 3 years the Westinghouse Electric Corp. has conducted a major program of instrument selection and development and sample analysis to monitor the steam turbine chemical environment and to determine the source of corrodant species that contribute to turbine blade corrosion.

This paper describes the development and application of a continuous on-line analyzer; a grab sample analysis program, utilizing state-of-the-art ion chromatography, to measure steam impurity concentration at various locations throughout the steam-water cycle; and the combination of these techniques, in the form of a total plant survey, to assess total power plant chemistry.

The significance and usefulness of continuously monitoring parameters such as sodium, dissolved oxygen, conductivities, and chloride is discussed, as are the validity of the sampling procedures, the utility of a nozzle to extract steam, and the strengths and weaknesses of ion chromatographic grab sample analyses. Finally, the implementation of a data acquisition system on the continuous analyzer, to handle the ever-increasing amount of information being generated by seven of these field systems, is reviewed.

1.
Small
,
H.
,
Stevens
,
T.
, and
Bauman
,
W.
,
Analytical Chemistry
 0003-2700, Vol.
47
,
1975
, p. 1801.
2.
Maugh
,
T. H.
,
Science
 1095-9203, Vol.
208
,
1980
, p. 164.
3.
Peterson
,
S. H.
,
Bellows
,
J. C.
,
Pensenstadler
,
D. F.
, and
Hickam
,
W. M.
,
Proceedings
,
40th International Water Conference
,
Engineers' Society of Western Pennsylvania
,
Pittsburgh, Pa.
,
1979
, p. 201.
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