Effect of lime addition during sewage sludge treatment on characteristics of resulting SSA when it is used in cementitious materials
Final disposal of sewage sludge is important not only in terms of satisfying the regulations, but the aspect of choosing the optimal wastewater treatment technology, including the sludge treatment. In most EU countries, significant amounts of stabilized and dewatered sludge are incinerated, and sewa...
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| Veröffentlicht in: | Water science and technology 2017-02, Vol.75 (3-4), p.856-863 |
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| creator | Vouk, D Nakic, D Štirmer, N Baricevic, A |
| description | Final disposal of sewage sludge is important not only in terms of satisfying the regulations, but the aspect of choosing the optimal wastewater treatment technology, including the sludge treatment. In most EU countries, significant amounts of stabilized and dewatered sludge are incinerated, and sewage sludge ash (SSA) is generated as a by product. At the same time, lime is one of the commonly used additives in the sewage sludge treatment primarily to stabilize the sludge. In doing so, the question arose how desirable is such addition of lime if the sludge is subsequently incinerated, and the generated ash is further used in the production of cementitious materials. A series of mortars were prepared where 10-20% of the cement fraction was replaced by SSA. Since all three types of analyzed SSA (without lime, with lime added during sludge stabilization and with extra lime added during sludge incineration) yielded nearly same results, it can be concluded that if sludge incineration is accepted solution, lime addition during sludge treatment is unnecessary even from the standpoint of preserving the pozzolanic properties of the resulting SSA. Results of the research carried out on cement mortars point to the great possibilities of using SSA in concrete industry. |
| doi_str_mv | 10.2166/wst.2016.554 |
| format | Article |
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In most EU countries, significant amounts of stabilized and dewatered sludge are incinerated, and sewage sludge ash (SSA) is generated as a by product. At the same time, lime is one of the commonly used additives in the sewage sludge treatment primarily to stabilize the sludge. In doing so, the question arose how desirable is such addition of lime if the sludge is subsequently incinerated, and the generated ash is further used in the production of cementitious materials. A series of mortars were prepared where 10-20% of the cement fraction was replaced by SSA. Since all three types of analyzed SSA (without lime, with lime added during sludge stabilization and with extra lime added during sludge incineration) yielded nearly same results, it can be concluded that if sludge incineration is accepted solution, lime addition during sludge treatment is unnecessary even from the standpoint of preserving the pozzolanic properties of the resulting SSA. Results of the research carried out on cement mortars point to the great possibilities of using SSA in concrete industry.</description><identifier>ISSN: 0273-1223</identifier><identifier>EISSN: 1996-9732</identifier><identifier>DOI: 10.2166/wst.2016.554</identifier><identifier>PMID: 28234286</identifier><language>eng</language><publisher>England: IWA Publishing</publisher><subject>Additives ; Ashes ; Calcium Compounds - chemistry ; Cement ; Cements ; Coal Ash - analysis ; Combustion ; Concrete ; Concrete industry ; Construction ; Construction Industry ; Construction Materials ; Incineration ; Lime ; Mortars (material) ; Oxides - chemistry ; Sewage ; Sewage - chemistry ; Sewage disposal ; Sewage sludge ; Sludge ; Sludge disposal ; Sludge treatment ; Stabilization ; Surface Properties ; Waste Disposal, Fluid - methods ; Wastewater ; Wastewater treatment</subject><ispartof>Water science and technology, 2017-02, Vol.75 (3-4), p.856-863</ispartof><rights>Copyright IWA Publishing Feb 2017</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c319t-2f0bef92f29d965b047e3f804318ded0330c50078f608fbf6815cce699435f383</citedby><cites>FETCH-LOGICAL-c319t-2f0bef92f29d965b047e3f804318ded0330c50078f608fbf6815cce699435f383</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/28234286$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Vouk, D</creatorcontrib><creatorcontrib>Nakic, D</creatorcontrib><creatorcontrib>Štirmer, N</creatorcontrib><creatorcontrib>Baricevic, A</creatorcontrib><title>Effect of lime addition during sewage sludge treatment on characteristics of resulting SSA when it is used in cementitious materials</title><title>Water science and technology</title><addtitle>Water Sci Technol</addtitle><description>Final disposal of sewage sludge is important not only in terms of satisfying the regulations, but the aspect of choosing the optimal wastewater treatment technology, including the sludge treatment. In most EU countries, significant amounts of stabilized and dewatered sludge are incinerated, and sewage sludge ash (SSA) is generated as a by product. At the same time, lime is one of the commonly used additives in the sewage sludge treatment primarily to stabilize the sludge. In doing so, the question arose how desirable is such addition of lime if the sludge is subsequently incinerated, and the generated ash is further used in the production of cementitious materials. A series of mortars were prepared where 10-20% of the cement fraction was replaced by SSA. Since all three types of analyzed SSA (without lime, with lime added during sludge stabilization and with extra lime added during sludge incineration) yielded nearly same results, it can be concluded that if sludge incineration is accepted solution, lime addition during sludge treatment is unnecessary even from the standpoint of preserving the pozzolanic properties of the resulting SSA. Results of the research carried out on cement mortars point to the great possibilities of using SSA in concrete industry.</description><subject>Additives</subject><subject>Ashes</subject><subject>Calcium Compounds - chemistry</subject><subject>Cement</subject><subject>Cements</subject><subject>Coal Ash - analysis</subject><subject>Combustion</subject><subject>Concrete</subject><subject>Concrete industry</subject><subject>Construction</subject><subject>Construction Industry</subject><subject>Construction Materials</subject><subject>Incineration</subject><subject>Lime</subject><subject>Mortars (material)</subject><subject>Oxides - chemistry</subject><subject>Sewage</subject><subject>Sewage - chemistry</subject><subject>Sewage disposal</subject><subject>Sewage sludge</subject><subject>Sludge</subject><subject>Sludge disposal</subject><subject>Sludge treatment</subject><subject>Stabilization</subject><subject>Surface Properties</subject><subject>Waste Disposal, Fluid - methods</subject><subject>Wastewater</subject><subject>Wastewater treatment</subject><issn>0273-1223</issn><issn>1996-9732</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>BENPR</sourceid><recordid>eNpdkTlPBSEUhYnR6HPprA2JjYXzZJlhoDTGLTGxUGvCg4tiZlFg8mLvD5eJS2F1mu8cLvkQOqRkyagQZ-uUl4xQsWyaegMtqFKiUi1nm2hBWMsryhjfQbspvRJCWl6TbbTDJOM1k2KBPi-9B5vx6HEXesDGuZDDOGA3xTA84wRr8ww4dZMrkSOY3MNQ-AHbFxONzRBDysGmeSJCmro89x4ezvH6BQYcMg4JTwkcDqUDc3t-YUq4N3PZdGkfbfkScPCTe-jp6vLx4qa6u7--vTi_qyynKlfMkxV4xTxTTolmReoWuJek5lQ6cIRzYpvyR-kFkX7lhaSNtSCUqnnjueR76OR79y2O7xOkrPuQLHSdGaAcpKlsWdMqTuuCHv9DX8cpDuU6TRWjtJVCNoU6_aZsHFOK4PVbDL2JH5oSPdvRxY6e7ehip-BHP6PTqgf3B__q4F9Vnovo</recordid><startdate>20170201</startdate><enddate>20170201</enddate><creator>Vouk, D</creator><creator>Nakic, D</creator><creator>Štirmer, N</creator><creator>Baricevic, A</creator><general>IWA Publishing</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QH</scope><scope>7UA</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8FE</scope><scope>8FG</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>F1W</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>H96</scope><scope>H97</scope><scope>HCIFZ</scope><scope>K9.</scope><scope>L.G</scope><scope>L6V</scope><scope>M0S</scope><scope>M1P</scope><scope>M7S</scope><scope>PCBAR</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PTHSS</scope><scope>7X8</scope></search><sort><creationdate>20170201</creationdate><title>Effect of lime addition during sewage sludge treatment on characteristics of resulting SSA when it is used in cementitious materials</title><author>Vouk, D ; 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In most EU countries, significant amounts of stabilized and dewatered sludge are incinerated, and sewage sludge ash (SSA) is generated as a by product. At the same time, lime is one of the commonly used additives in the sewage sludge treatment primarily to stabilize the sludge. In doing so, the question arose how desirable is such addition of lime if the sludge is subsequently incinerated, and the generated ash is further used in the production of cementitious materials. A series of mortars were prepared where 10-20% of the cement fraction was replaced by SSA. Since all three types of analyzed SSA (without lime, with lime added during sludge stabilization and with extra lime added during sludge incineration) yielded nearly same results, it can be concluded that if sludge incineration is accepted solution, lime addition during sludge treatment is unnecessary even from the standpoint of preserving the pozzolanic properties of the resulting SSA. 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| identifier | ISSN: 0273-1223 |
| ispartof | Water science and technology, 2017-02, Vol.75 (3-4), p.856-863 |
| issn | 0273-1223 1996-9732 |
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| source | MEDLINE; EZB-FREE-00999 freely available EZB journals |
| subjects | Additives Ashes Calcium Compounds - chemistry Cement Cements Coal Ash - analysis Combustion Concrete Concrete industry Construction Construction Industry Construction Materials Incineration Lime Mortars (material) Oxides - chemistry Sewage Sewage - chemistry Sewage disposal Sewage sludge Sludge Sludge disposal Sludge treatment Stabilization Surface Properties Waste Disposal, Fluid - methods Wastewater Wastewater treatment |
| title | Effect of lime addition during sewage sludge treatment on characteristics of resulting SSA when it is used in cementitious materials |
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