| 1. |
Adsorption Process Removes Unwanted Organics |
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Opflow,
Volume 12,
Issue 5,
1986,
Page 1-5
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PDF (2391KB)
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摘要:
This article discusses the use of adsorption to remove organic materials from drinking water. Topics covered include the following: adsorption methods, principle of adsorption, forms of activated carbon, powdered activated carbon (PAC) adsorption, and granular activated carbon (GAC) adsorption. A table compares GAC and PAC properties.
ISSN:0149-8029
DOI:10.1002/j.1551-8701.1986.tb00428.x
出版商:Wiley
年代:1986
数据来源: WILEY
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| 2. |
Understanding Demand Charges |
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Opflow,
Volume 12,
Issue 5,
1986,
Page 3-3
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PDF (92KB)
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摘要:
This article discusses the need for demand charges by electric utilities and explains how these charges are computed.
ISSN:0149-8029
DOI:10.1002/j.1551-8701.1986.tb00431.x
出版商:Wiley
年代:1986
数据来源: WILEY
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| 3. |
Maintenance Program for Double‐Disk Gate Valves |
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Opflow,
Volume 12,
Issue 5,
1986,
Page 6-7
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PDF (847KB)
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摘要:
One of the most common valves used in water distribution systems is the double‐disk gate valve with a nonrising stem. This valve is classified as a sliding valve and isolates the distribution system for repair, cleaning, or inspection. This article discusses the operation and maintenance of double‐disk gate valves.
ISSN:0149-8029
DOI:10.1002/j.1551-8701.1986.tb00432.x
出版商:Wiley
年代:1986
数据来源: WILEY
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| 4. |
Well Sampler Can Be Used At Varying Depths |
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Opflow,
Volume 12,
Issue 5,
1986,
Page 7-7
Ron Campbell,
Terry Hawtree,
John Sinclair,
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PDF (791KB)
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摘要:
The well sampler described in this article can be used at varying depths by using interchangeable PVC valves of varying pressure settings. The PVC valves are set to open at a given depth, fill the sampler with 1 and 1/2 gallons (6 L) of water, and then close when removed from the well.
ISSN:0149-8029
DOI:10.1002/j.1551-8701.1986.tb00430.x
出版商:Wiley
年代:1986
数据来源: WILEY
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