Colloid clogging of saturated porous media under varying ionic strength and roughness during managed aquifer recharge
Column experiments were conducted to examine the clogging effects of colloids under controlled conditions of solution ionic strength (IS) and porous media roughness. The results showed that colloids in recharge water play an important role in the clogging process of saturated porous media, such that...
| Main Authors: | , , , |
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| Format: | Article |
| Language: | English |
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IWA Publishing
2019-09-01
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| Series: | Journal of Water Reuse and Desalination |
| Subjects: | |
| Online Access: | http://jwrd.iwaponline.com/content/9/3/225 |
| _version_ | 1818317500655337472 |
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| author | Du Xinqiang Song Yalin Ye Xueyan Luo Ran |
| author_facet | Du Xinqiang Song Yalin Ye Xueyan Luo Ran |
| author_sort | Du Xinqiang |
| collection | DOAJ |
| description | Column experiments were conducted to examine the clogging effects of colloids under controlled conditions of solution ionic strength (IS) and porous media roughness. The results showed that colloids in recharge water play an important role in the clogging process of saturated porous media, such that even a small amount of colloid may cause a large reduction in the permeability of the porous medium. Clogging at the pore throat was inferred to be the main reason for the severe permeability reduction of porous media. The characteristics of colloid clogging were clearly influenced by both IS and medium roughness. Recharge water with a higher IS facilitated greater attachment of colloids to the surface of the saturated porous medium, which lead to superficial clogging, while collectors with a rough surface resulted in greater clogging than collectors with a smooth surface. |
| first_indexed | 2024-12-13T09:38:19Z |
| format | Article |
| id | doaj.art-5efa7e12b9ab43d896692a6727760c3d |
| institution | Directory Open Access Journal |
| issn | 2220-1319 2408-9370 |
| language | English |
| last_indexed | 2024-12-13T09:38:19Z |
| publishDate | 2019-09-01 |
| publisher | IWA Publishing |
| record_format | Article |
| series | Journal of Water Reuse and Desalination |
| spelling | doaj.art-5efa7e12b9ab43d896692a6727760c3d2022-12-21T23:52:16ZengIWA PublishingJournal of Water Reuse and Desalination2220-13192408-93702019-09-019322523110.2166/wrd.2019.041041Colloid clogging of saturated porous media under varying ionic strength and roughness during managed aquifer rechargeDu Xinqiang0Song Yalin1Ye Xueyan2Luo Ran3 Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun 130021, China and College of New Energy and Environment, Jilin University, Changchun 130021, China Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun 130021, China and College of New Energy and Environment, Jilin University, Changchun 130021, China Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun 130021, China and College of New Energy and Environment, Jilin University, Changchun 130021, China Key Laboratory of Groundwater Resources and Environment, Ministry of Education, Jilin University, Changchun 130021, China and College of New Energy and Environment, Jilin University, Changchun 130021, China Column experiments were conducted to examine the clogging effects of colloids under controlled conditions of solution ionic strength (IS) and porous media roughness. The results showed that colloids in recharge water play an important role in the clogging process of saturated porous media, such that even a small amount of colloid may cause a large reduction in the permeability of the porous medium. Clogging at the pore throat was inferred to be the main reason for the severe permeability reduction of porous media. The characteristics of colloid clogging were clearly influenced by both IS and medium roughness. Recharge water with a higher IS facilitated greater attachment of colloids to the surface of the saturated porous medium, which lead to superficial clogging, while collectors with a rough surface resulted in greater clogging than collectors with a smooth surface.http://jwrd.iwaponline.com/content/9/3/225cloggingcolloidmanaged aquifer rechargepermeability |
| spellingShingle | Du Xinqiang Song Yalin Ye Xueyan Luo Ran Colloid clogging of saturated porous media under varying ionic strength and roughness during managed aquifer recharge Journal of Water Reuse and Desalination clogging colloid managed aquifer recharge permeability |
| title | Colloid clogging of saturated porous media under varying ionic strength and roughness during managed aquifer recharge |
| title_full | Colloid clogging of saturated porous media under varying ionic strength and roughness during managed aquifer recharge |
| title_fullStr | Colloid clogging of saturated porous media under varying ionic strength and roughness during managed aquifer recharge |
| title_full_unstemmed | Colloid clogging of saturated porous media under varying ionic strength and roughness during managed aquifer recharge |
| title_short | Colloid clogging of saturated porous media under varying ionic strength and roughness during managed aquifer recharge |
| title_sort | colloid clogging of saturated porous media under varying ionic strength and roughness during managed aquifer recharge |
| topic | clogging colloid managed aquifer recharge permeability |
| url | http://jwrd.iwaponline.com/content/9/3/225 |
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