The Rheology of Activated Sludge
Rheological measurements can be used to express basic physical properties of activated sludge. Knowledge of such properties, and the effect of biological variables on them, is essential for understanding of the fundamental factors controlling flocculation, sedimentation, and consolidation of activat...
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| Veröffentlicht in: | Journal - Water Pollution Control Federation 1967-04, Vol.39 (4), p.543-560 |
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| Sprache: | eng |
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| container_end_page | 560 |
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| container_issue | 4 |
| container_start_page | 543 |
| container_title | Journal - Water Pollution Control Federation |
| container_volume | 39 |
| creator | Dick, Richard I. Ewing, Ben B. |
| description | Rheological measurements can be used to express basic physical properties of activated sludge. Knowledge of such properties, and the effect of biological variables on them, is essential for understanding of the fundamental factors controlling flocculation, sedimentation, and consolidation of activated sludge. Rheological measurements also show promise as guides to the operation of activated sludge plants. Rotational viscometers used for investigating the rheology of activated sludge must be compatible with the nature of the sludge. Viscometer surfaces must be roughened, a large sample width must be used, and care must be taken to avoid turbulent flow. Activated sludge is a plastic material and is thixotropic. |
| format | Article |
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Knowledge of such properties, and the effect of biological variables on them, is essential for understanding of the fundamental factors controlling flocculation, sedimentation, and consolidation of activated sludge. Rheological measurements also show promise as guides to the operation of activated sludge plants. Rotational viscometers used for investigating the rheology of activated sludge must be compatible with the nature of the sludge. Viscometer surfaces must be roughened, a large sample width must be used, and care must be taken to avoid turbulent flow. 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Knowledge of such properties, and the effect of biological variables on them, is essential for understanding of the fundamental factors controlling flocculation, sedimentation, and consolidation of activated sludge. Rheological measurements also show promise as guides to the operation of activated sludge plants. Rotational viscometers used for investigating the rheology of activated sludge must be compatible with the nature of the sludge. Viscometer surfaces must be roughened, a large sample width must be used, and care must be taken to avoid turbulent flow. Activated sludge is a plastic material and is thixotropic.</description><subject>Activated sludge</subject><subject>Cylinders</subject><subject>Plastics</subject><subject>Rheology</subject><subject>Rotation</subject><subject>Sewage</subject><subject>Shear stress</subject><subject>Torque</subject><subject>Viscometers</subject><subject>Viscosity</subject><subject>Yield strength</subject><issn>0043-1303</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>1967</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpFjt1qwkAQhfeixVrrIwj7AoHJbLKZvRRRKwhCa69lf2bVEIkkUfDtG1D05vzwweG8iSFAppJUgfoQn21bAiiglAZioCErAPRQyO2B5c-B66re32Qd5dR3x6vtOMjf6hL2_CXeo61aHj98JP4W8-3sO1lvlqvZdJ2UiNQl0ZH1ATl3bNijy2KRGsKoSOfeYQRHfQvGYh80GiDwOngOpELqex2JyX33fHEnDrtzczzZ5rZ7PH3xsu3q5okxB5UbKNQ_FzNBvw</recordid><startdate>196704</startdate><enddate>196704</enddate><creator>Dick, Richard I.</creator><creator>Ewing, Ben B.</creator><general>Water Pollution Control Federation</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope></search><sort><creationdate>196704</creationdate><title>The Rheology of Activated Sludge</title><author>Dick, Richard I. ; Ewing, Ben B.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-j228t-fb8acd2e5be9ec2b4f71982f3865cb2f0b882fd9a2b88629080c6dced83d1cd83</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>1967</creationdate><topic>Activated sludge</topic><topic>Cylinders</topic><topic>Plastics</topic><topic>Rheology</topic><topic>Rotation</topic><topic>Sewage</topic><topic>Shear stress</topic><topic>Torque</topic><topic>Viscometers</topic><topic>Viscosity</topic><topic>Yield strength</topic><toplevel>online_resources</toplevel><creatorcontrib>Dick, Richard I.</creatorcontrib><creatorcontrib>Ewing, Ben B.</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><jtitle>Journal - Water Pollution Control Federation</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Dick, Richard I.</au><au>Ewing, Ben B.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>The Rheology of Activated Sludge</atitle><jtitle>Journal - Water Pollution Control Federation</jtitle><addtitle>J Water Pollut Control Fed</addtitle><date>1967-04</date><risdate>1967</risdate><volume>39</volume><issue>4</issue><spage>543</spage><epage>560</epage><pages>543-560</pages><issn>0043-1303</issn><abstract>Rheological measurements can be used to express basic physical properties of activated sludge. Knowledge of such properties, and the effect of biological variables on them, is essential for understanding of the fundamental factors controlling flocculation, sedimentation, and consolidation of activated sludge. Rheological measurements also show promise as guides to the operation of activated sludge plants. Rotational viscometers used for investigating the rheology of activated sludge must be compatible with the nature of the sludge. Viscometer surfaces must be roughened, a large sample width must be used, and care must be taken to avoid turbulent flow. Activated sludge is a plastic material and is thixotropic.</abstract><cop>United States</cop><pub>Water Pollution Control Federation</pub><pmid>6047006</pmid><tpages>18</tpages></addata></record> |
| fulltext | fulltext |
| identifier | ISSN: 0043-1303 |
| ispartof | Journal - Water Pollution Control Federation, 1967-04, Vol.39 (4), p.543-560 |
| issn | 0043-1303 |
| language | eng |
| recordid | cdi_pubmed_primary_6047006 |
| source | MEDLINE; JSTOR Archive Collection A-Z Listing |
| subjects | Activated sludge Cylinders Plastics Rheology Rotation Sewage Shear stress Torque Viscometers Viscosity Yield strength |
| title | The Rheology of Activated Sludge |
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