Estimating the change of porosity in the saturated zone during air sparging
Air sparging is a remedial method for groundwater. The remedial region is similar to the air flow region in the saturated zone. If soil particles are transported during air sparging, the porosity distributions in the saturated zone change, which may alter the flow path of the air. To understand bett...
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| Veröffentlicht in: | Journal of environmental sciences (China) 2006, Vol.18 (4), p.675-679 |
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| creator | Tsai, Yih-jin Kuo, Yu-chia Chen, Tsu-chi Chou, Feng-chih |
| description | Air sparging is a remedial method for groundwater. The remedial region is similar to the air flow region in the saturated zone. If soil particles are transported during air sparging, the porosity distributions in the saturated zone change, which may alter the flow path of the air. To understand better the particle movement, this study performed a sandbox test to estimate the soil porosity change during air sparging. A clear fracture was formed and the phenomenon of particle movement was observed when the air injection was started. The moved sand filled the porous around the fracture and the reparked sand filled the fracture, reducing the porosity around the fracture. The results obtained from the photographs of the sandbox, the current measurements and the direct sand sample measurements were close to each other and are credible. Therefore, air injection during air sparging causes sand particle movement of sand, altering the characteristic of the sand matrix and the air distribution. |
| doi_str_mv | 10.3321/j.issn:1001-0742.2006.04.011 |
| format | Article |
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The remedial region is similar to the air flow region in the saturated zone. If soil particles are transported during air sparging, the porosity distributions in the saturated zone change, which may alter the flow path of the air. To understand better the particle movement, this study performed a sandbox test to estimate the soil porosity change during air sparging. A clear fracture was formed and the phenomenon of particle movement was observed when the air injection was started. The moved sand filled the porous around the fracture and the reparked sand filled the fracture, reducing the porosity around the fracture. The results obtained from the photographs of the sandbox, the current measurements and the direct sand sample measurements were close to each other and are credible. Therefore, air injection during air sparging causes sand particle movement of sand, altering the characteristic of the sand matrix and the air distribution.</description><identifier>ISSN: 1001-0742</identifier><identifier>EISSN: 1878-7320</identifier><identifier>DOI: 10.3321/j.issn:1001-0742.2006.04.011</identifier><identifier>PMID: 17078545</identifier><language>eng</language><publisher>Netherlands: Department of Environment and Resources Engineering, Diwan College of Management, No. 87-1, Nansh Li, Madou, Tainan, Taiwan, China</publisher><subject>Air ; Air Movements ; Biodegradation, Environmental ; Particle Size ; Porosity ; Soil ; Volatilization ; Water Movements ; Water Purification - methods ; 土壤污染 ; 有机污染物 ; 空气喷射 ; 粒子运动</subject><ispartof>Journal of environmental sciences (China), 2006, Vol.18 (4), p.675-679</ispartof><rights>Copyright © Wanfang Data Co. Ltd. All Rights Reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Uhttp://image.cqvip.com/vip1000/qk/85265X/85265X.jpg</thumbnail><link.rule.ids>314,776,780,4010,27900,27901,27902</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/17078545$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Tsai, Yih-jin</creatorcontrib><creatorcontrib>Kuo, Yu-chia</creatorcontrib><creatorcontrib>Chen, Tsu-chi</creatorcontrib><creatorcontrib>Chou, Feng-chih</creatorcontrib><title>Estimating the change of porosity in the saturated zone during air sparging</title><title>Journal of environmental sciences (China)</title><addtitle>Journal of Environmental Sciences</addtitle><description>Air sparging is a remedial method for groundwater. The remedial region is similar to the air flow region in the saturated zone. If soil particles are transported during air sparging, the porosity distributions in the saturated zone change, which may alter the flow path of the air. To understand better the particle movement, this study performed a sandbox test to estimate the soil porosity change during air sparging. A clear fracture was formed and the phenomenon of particle movement was observed when the air injection was started. The moved sand filled the porous around the fracture and the reparked sand filled the fracture, reducing the porosity around the fracture. The results obtained from the photographs of the sandbox, the current measurements and the direct sand sample measurements were close to each other and are credible. Therefore, air injection during air sparging causes sand particle movement of sand, altering the characteristic of the sand matrix and the air distribution.</description><subject>Air</subject><subject>Air Movements</subject><subject>Biodegradation, Environmental</subject><subject>Particle Size</subject><subject>Porosity</subject><subject>Soil</subject><subject>Volatilization</subject><subject>Water Movements</subject><subject>Water Purification - methods</subject><subject>土壤污染</subject><subject>有机污染物</subject><subject>空气喷射</subject><subject>粒子运动</subject><issn>1001-0742</issn><issn>1878-7320</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNpFkE1PwzAMhiMEYmPwF1CFELcW52ttuaFpfIhJXOAcJWnatXTplrRC49eTsU2cbMuP7dcvQrcYEkoJvm-S2nv7gAFwDCkjCQGYJsASwPgEjXGWZnFKCZyG_MiM0IX3DQAwDvwcjXAKacYZH6O3ue_rlexrW0X90kR6KW1loq6M1p3rfN1vo9r-dbzsByd7U0Q_nTVRMbjdjKxd5NfSVaG4RGelbL25OsQJ-nyaf8xe4sX78-vscRFrkmd9XBqjFc-JIpoDY0ySgioJiiqVpworwnVJWV4wQ4oyy0siIU8LZfROMgNJJ-huv_db2jLIFU03OBsuisZ4YXZ-AAtu_INr120G43uxqr02bSut6QYvcE4Z55QF8PoADmplCrF2wRO3FUefAnCzB_Sys9UmPCuU1F9l3RpBCJnmhAL9BQbKeLM</recordid><startdate>2006</startdate><enddate>2006</enddate><creator>Tsai, Yih-jin</creator><creator>Kuo, Yu-chia</creator><creator>Chen, Tsu-chi</creator><creator>Chou, Feng-chih</creator><general>Department of Environment and Resources Engineering, Diwan College of Management, No. 87-1, Nansh Li, Madou, Tainan, Taiwan, China</general><scope>2RA</scope><scope>92L</scope><scope>CQIGP</scope><scope>W92</scope><scope>~WA</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>7TV</scope><scope>C1K</scope><scope>2B.</scope><scope>4A8</scope><scope>92I</scope><scope>93N</scope><scope>PSX</scope><scope>TCJ</scope></search><sort><creationdate>2006</creationdate><title>Estimating the change of porosity in the saturated zone during air sparging</title><author>Tsai, Yih-jin ; Kuo, Yu-chia ; Chen, Tsu-chi ; Chou, Feng-chih</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c298t-feecb592b2c50444a2d3ba0b3bb97b1b25cf349d4e2df89f2a097dbec785440a3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Air</topic><topic>Air Movements</topic><topic>Biodegradation, Environmental</topic><topic>Particle Size</topic><topic>Porosity</topic><topic>Soil</topic><topic>Volatilization</topic><topic>Water Movements</topic><topic>Water Purification - methods</topic><topic>土壤污染</topic><topic>有机污染物</topic><topic>空气喷射</topic><topic>粒子运动</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tsai, Yih-jin</creatorcontrib><creatorcontrib>Kuo, Yu-chia</creatorcontrib><creatorcontrib>Chen, Tsu-chi</creatorcontrib><creatorcontrib>Chou, Feng-chih</creatorcontrib><collection>中文科技期刊数据库</collection><collection>中文科技期刊数据库-CALIS站点</collection><collection>中文科技期刊数据库-7.0平台</collection><collection>中文科技期刊数据库-工程技术</collection><collection>中文科技期刊数据库- 镜像站点</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>Pollution Abstracts</collection><collection>Environmental Sciences and Pollution Management</collection><collection>Wanfang Data Journals - Hong Kong</collection><collection>WANFANG Data Centre</collection><collection>Wanfang Data Journals</collection><collection>万方数据期刊 - 香港版</collection><collection>China Online Journals (COJ)</collection><collection>China Online Journals (COJ)</collection><jtitle>Journal of environmental sciences (China)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tsai, Yih-jin</au><au>Kuo, Yu-chia</au><au>Chen, Tsu-chi</au><au>Chou, Feng-chih</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Estimating the change of porosity in the saturated zone during air sparging</atitle><jtitle>Journal of environmental sciences (China)</jtitle><addtitle>Journal of Environmental Sciences</addtitle><date>2006</date><risdate>2006</risdate><volume>18</volume><issue>4</issue><spage>675</spage><epage>679</epage><pages>675-679</pages><issn>1001-0742</issn><eissn>1878-7320</eissn><abstract>Air sparging is a remedial method for groundwater. The remedial region is similar to the air flow region in the saturated zone. If soil particles are transported during air sparging, the porosity distributions in the saturated zone change, which may alter the flow path of the air. To understand better the particle movement, this study performed a sandbox test to estimate the soil porosity change during air sparging. A clear fracture was formed and the phenomenon of particle movement was observed when the air injection was started. The moved sand filled the porous around the fracture and the reparked sand filled the fracture, reducing the porosity around the fracture. The results obtained from the photographs of the sandbox, the current measurements and the direct sand sample measurements were close to each other and are credible. Therefore, air injection during air sparging causes sand particle movement of sand, altering the characteristic of the sand matrix and the air distribution.</abstract><cop>Netherlands</cop><pub>Department of Environment and Resources Engineering, Diwan College of Management, No. 87-1, Nansh Li, Madou, Tainan, Taiwan, China</pub><pmid>17078545</pmid><doi>10.3321/j.issn:1001-0742.2006.04.011</doi><tpages>5</tpages></addata></record> |
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| ispartof | Journal of environmental sciences (China), 2006, Vol.18 (4), p.675-679 |
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| language | eng |
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| source | MEDLINE; Alma/SFX Local Collection |
| subjects | Air Air Movements Biodegradation, Environmental Particle Size Porosity Soil Volatilization Water Movements Water Purification - methods 土壤污染 有机污染物 空气喷射 粒子运动 |
| title | Estimating the change of porosity in the saturated zone during air sparging |
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