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| 1. |
Iron‐bacteria and sulfide problems in wells |
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Opflow,
Volume 7,
Issue 12,
1981,
Page 1-6
Richard D. Pomeroy,
Harry H. Bailey,
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PDF (233KB)
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摘要:
Anaerobic groundwaters may be divided into two subclasses, depending on sulfide, iron, and manganese content. Groundwater characteristics, problems caused by mixing of aerobic and anaerobic waters, use of hypochlorite solutions in water treatment, aeration in wells, chlorination, and benefits of iron bacteria are covered.
ISSN:0149-8029
DOI:10.1002/j.1551-8701.1981.tb00023.x
出版商:Wiley
年代:1981
数据来源: WILEY
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| 2. |
Danger! Hydrogen explosions |
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Opflow,
Volume 7,
Issue 12,
1981,
Page 3-3
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PDF (80KB)
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摘要:
Residential hot water systems regularly produce small amounts of hydrogen gas, and dangerous amounts of the gas may build up if hot water faucets are not used for a long period of time. One precaution against hydrogen gas explosions in the home is given.
ISSN:0149-8029
DOI:10.1002/j.1551-8701.1981.tb00021.x
出版商:Wiley
年代:1981
数据来源: WILEY
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| 3. |
Hydraulics problems put pressure on operators |
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Opflow,
Volume 7,
Issue 12,
1981,
Page 4-5
William R. Roach,
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PDF (134KB)
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摘要:
Hydraulics is the study of fluids. This article presents samples of hydraulics problems that water utility operators are likely to encounter. Absolute and gauge pressure, and conversion factors and formulas are covered.
ISSN:0149-8029
DOI:10.1002/j.1551-8701.1981.tb00022.x
出版商:Wiley
年代:1981
数据来源: WILEY
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| 4. |
Certification corner |
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Opflow,
Volume 7,
Issue 12,
1981,
Page 7-8
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PDF (121KB)
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摘要:
This portion of “Certification Corner” covers proper procedures for working with or in clarifiers, meter reading, compliance with Safe Drinking Water Act sample results, iron removal from wells, and hydrofluosilicic acid dosage.
ISSN:0149-8029
DOI:10.1002/j.1551-8701.1981.tb00018.x
出版商:Wiley
年代:1981
数据来源: WILEY
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