1. |
Proper Treatment, Maintenance Aids Filtration Process |
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Opflow,
Volume 1,
Issue 10,
1975,
Page 1-2
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PDF (826KB)
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摘要:
The presence of air in a filter may cause problems. Air may be removed by backflushing the filter. The loss of sand from the filter could also be a problem, and the use of a sand trap will help operators monitor its loss.
ISSN:0149-8029
DOI:10.1002/j.1551-8701.1975.tb00829.x
出版商:Wiley
年代:1975
数据来源: WILEY
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2. |
A Day In The Life Of…. |
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Opflow,
Volume 1,
Issue 10,
1975,
Page 3-3
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PDF (887KB)
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摘要:
This article relates the experience of a water plant superintendent in handling a water main break. Not until the replacement pipe had been installed was it realized that the new section was 0.48 inches larger than the existing main.
ISSN:0149-8029
DOI:10.1002/j.1551-8701.1975.tb00830.x
出版商:Wiley
年代:1975
数据来源: WILEY
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3. |
Certification Corner |
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Opflow,
Volume 1,
Issue 10,
1975,
Page 4-7
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PDF (1519KB)
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摘要:
The questions in this month's “Certification Corner” deal with bacteriological samples, installation of water and sewage lines in the same trench, hydrant flushing problems, potable and nonpotable water systems, chlorine, and testing of reservoirs.
ISSN:0149-8029
DOI:10.1002/j.1551-8701.1975.tb00831.x
出版商:Wiley
年代:1975
数据来源: WILEY
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4. |
Cross Connections Can Harm Community Water Supply System |
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Opflow,
Volume 1,
Issue 10,
1975,
Page 5-5
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PDF (77KB)
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摘要:
The problem of cross connections and their potential health hazards are briefly discussed. In particular the article deals with inspection for cross connections in funeral homes.
ISSN:0149-8029
DOI:10.1002/j.1551-8701.1975.tb00832.x
出版商:Wiley
年代:1975
数据来源: WILEY
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5. |
Electronic Leak Detection System Reduces Water Loss |
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Opflow,
Volume 1,
Issue 10,
1975,
Page 7-7
Preview
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PDF (733KB)
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摘要:
The use of electronic leak detection equipment can prevent the loss of great amounts of water, leading to conservation and a more efficient use of energy resources. In California the use of these devices has been found to be very useful in finding and repairing water leaks.
ISSN:0149-8029
DOI:10.1002/j.1551-8701.1975.tb00833.x
出版商:Wiley
年代:1975
数据来源: WILEY
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