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Journal articles on the topic 'Geotextile clogging'

Author: Grafiati

Published: 4 June 2021

Last updated: 3 February 2022

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1

Palmeira, E. M., R. J. Fannin, and Y. P. Vaid. "A study on the behaviour of soilgeotextile systems in filtration tests." Canadian Geotechnical Journal 33, no. 6 (December 1, 1996): 899–912. http://dx.doi.org/10.1139/t96-120.

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The behaviour of soilgeotextile systems in filtration tests is reported for nonwoven geotextiles under unidirectional flow. A new apparatus was developed to preform filtration tests under an applied vertical stress, and tests were then conducted with different soils and nonwoven geotextiles in order to evaluate the clogging potential and retention capacity of these materials under rather severe combinations of geotextile and soil characteristics. Results show that the geotextiles perfomed well and that observed permeability losses were acceptable even for gradient ratios close to 3. No progressive piping was observed, and it is believed that the retention capacity of the geotextiles may be influenced by their manufacturing process. In general, theoretical predictions for the maximum particle size passing through the geotextile compared well with measurements. Key words: geotextiles, filtration, gradient ratio, permeability, soil retention, clogging.

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2

McIsaac, Reagan, and R. Kerry Rowe. "Effect of filter–separators on the clogging of leachate collection systems." Canadian Geotechnical Journal 43, no. 7 (July 1, 2006): 674–93. http://dx.doi.org/10.1139/t06-030.

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This paper reports the results obtained after 6 years operation of nine mesocosm experiments that simulate the 50 cm of the drainage layer closest to the leachate collection pipe in a landfill. Five different design configurations were examined involving a 300 mm thick layer of coarse (38 mm) gravel. The designs differed in terms of the presence, nature, and location of a filter–separator layer either at the waste–gravel interface or partway through the gravel. A nonwoven geotextile filter–separator (GTF/S) is shown to reduce clogging of the gravel relative to the no filter–separator or woven GTF/S designs. Some clogging of the geotextiles is reported, with reductions in geotextile hydraulic conductivity of 23% for the woven GTF/S, 74%–89% for the nonwoven GTF/S, and 75%–94% for the nonwoven geotextile partway through the gravel. The clogged nonwoven geotextile filter–separator maintained a higher hydraulic conductivity than the extracted woven geotextile. Of the designs with a filter–separator between the waste and gravel, the granular filter–separator most effectively reduced clogging of the gravel but at the expense of leachate mounding above the sand once the sand layer clogs. The design with a nonwoven geotextile partway through the gravel (GTMF) provides better protection of the underlying gravel from clogging than other designs involving a geotextile.Key words: landfill, waste, leachate, clogging, biofilm, geotextile.

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3

Mendonca, Marcos Barreto de, Maurício Ehrlich, and Magali Christe Cammarota. "Conditioning factors of iron ochre biofilm formation on geotextile filters." Canadian Geotechnical Journal 40, no. 6 (December 1, 2003): 1225–34. http://dx.doi.org/10.1139/t03-064.

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This paper presents a study of ochre formation on geotextile filters. Ochre is a substance found sticking to solid surfaces of drainage systems and may cause clogging. Ochre formation is discussed based on the new concepts of biofilm development. Ochre formation is the result of microbial colonization and its affinity to iron compounds naturally found in seepage water. The aerobicnonaerobic interface in drainage systems is a very favourable locale for optimum development of iron bacteria. Laboratory studies were done to verify the influence of intrinsic characteristics of the geotextiles and environment on ochre formation. Because flow condition was not considered in the tests, however, these results may not represent real field performance of geotextile filters. Tests of biofilm formation were conducted in Erlenmeyer flasks containing culture mediums for iron bacteria and geotextile samples. Nonwoven polyester, nonwoven polypropylene, and woven polypropylene geotextiles were used in the tests. The study was performed considering different levels of iron concentration, available dissolved oxygen, and pH. Laboratory tests have shown the fundamental importance of iron bacteria activity, type of geotextile, and environmental conditions on ochre formation.Key words: ochre, clogging, filtration, biofilm, geosynthetics.

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4

KOHATA, Yukihiro. "CLOGGING PROPERTY OF GEOTEXTILE FILTERS." Geosynthetics Engineering Journal 26 (2011): 1–12. http://dx.doi.org/10.5030/jcigsjournal.26.1.

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5

Miszkowska, Anna. "A study on soil-geotextile interaction using gradient ratio tests." Przegląd Naukowy Inżynieria i Kształtowanie Środowiska 28, no. 2 (July 10, 2019): 235–43. http://dx.doi.org/10.22630/pniks.2019.28.2.22.

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Nonwoven geotextile have been widely used for filtration. In this paper, the clogging potential for a soil-geotextile system were assessed using laboratory tests. An ASTM modified gradient ratio test device was used to determine gradient ratio as well as soil-gradient ratio. One type of nonwoven geotextile and soil were used to simulate the conditions in drainage system. The obtained results indicate that the gradient ratio and soil-gradient ratio increases with time because of clogging mechanism. However, the tested geotextile can be used as fi lter for soil with fine content of 20%.

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6

Tong, Zhao Xia, Lun Chen, and Shao Peng Zhou. "Effects of Normal Pressure on the Clogging Behavior of Geotextile and Gap-Graded Soil Filtration Systems." Advanced Materials Research 538-541 (June 2012): 2184–89. http://dx.doi.org/10.4028/www.scientific.net/amr.538-541.2184.

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The applied loads have a significant role on the filtration property of soil and geotextile systems. This paper investigates the effects of normal pressure on the clogging behavior of geotextile and gap-graded soil filtration systems. The experimental results show that the clogging potential increases as the normal pressure increases. And a critical value for the normal pressure may exist. When the applied normal pressure is less than the critical value, the normal pressure has significant effects on the filtration systems. However, when the applied normal pressure exceeds the critical value, effects of the normal pressure on the soil-geotextile filtration systems are minor.

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7

Liu, Yili, and Jianguo Liu. "The BioChemical Clogging of Landfill Leachate Collection System: Based on Laboratory Studies." International Journal of Environmental Research and Public Health 17, no. 7 (March 29, 2020): 2299. http://dx.doi.org/10.3390/ijerph17072299.

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Leachate collection system (LCS) clogging is a common operational problem in municipal solid waste (MSW) landfills in China, which can result in high leachate levels that threaten the safety of landfill operations and subsequently increase the leachate leakage risk. In our previous research, a filtration test was conducted and the physical clogging effect was evaluated. To fully analyze the LCS failure, in this study, a set of column experiments were carried out to investigate the biochemical clogging development and mechanisms. Results showed that the biofilm and deposited CaCO3 composed the primary clogging materials. During the experimental period, the hydraulic conductivities in simulated gravel and nonwoven geotextile drainage layers were observed (91.7% and five orders of magnitude reduction), and decreased to 10−4 and 10−8 m s−1, respectively. Therefore, the significance of the geotextile layer in LCS designing needs to be reconsidered. The biochemical clogging was positively correlated with volatile fatty acids (VFAs), and Ca2+ loading and the Ca2+ played the dominant role. Meanwhile, an improved method for analyzing biochemical clogging development was proposed.

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8

Nishigata, Tatsuaki, R. Jonathan Fannin, and Yoginder P. Vaid. "Blinding and Clogging of a Nonwoven Geotextile." Soils and Foundations 40, no. 4 (August 2000): 121–27. http://dx.doi.org/10.3208/sandf.40.4_121.

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9

Nishigata, Tatsuaki, and Ichizou Yamaoka. "Measurements of geotextile opening size and clogging phenomenon." Proceedings of geotextile symposium 4 (1989): 49–55. http://dx.doi.org/10.5030/jcigsjournal1986.4.49.

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10

David Suits, L., TC Sheahan, I.-M. Lee, J.-H. Kim, and LN Reddi. "Clogging Phenomena of the Residual Soil-Geotextile Filter System." Geotechnical Testing Journal 25, no. 4 (2002): 9881. http://dx.doi.org/10.1520/gtj11299j.

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11

Charchalac Ochoa, Sebastian Ignacio, Ken Ushijima, Nowaki Hijikata, and Naoyuki Funamizu. "Treatment of domestic greywater by geotextile filter and intermittent sand filtration bioreactor." Journal of Water Reuse and Desalination 5, no. 1 (August 11, 2014): 39–49. http://dx.doi.org/10.2166/wrd.2014.042.

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Intermittent sand filtration (ISF) is an efficient system for treatment of greywater; however, the high quality of effluent and the simple set-up contrast with the high failure rate due to clogging of surface layers. The efficacy of several polypropylene non-woven geotextiles (apparent opening size from 0.10 to 0.18 mm) used as primary treatment filters to remove suspended particles from domestic greywater and the effects of this pretreatment in the performance of fine and small media size (0.3 and 0.6 mm) ISFs was examined. Results showed geotextile achieved suspended solids (SS) removal rates from 25 to 85% and chemical oxygen demand (COD) from 3 to 30%; although the portion larger than 75 μm was removed at higher rates (55–90%), particles smaller than the nominal pore size of the filter were also captured. Geotextile used as pretreatment resulted in improvement of lifetime of the ISFs over an experimental run of 60 days. The vertical profile of volatile organic matter in the ISFs was evaluated at the end of the experiment and it showed a clear reduction in the accumulation of organic material on the top layer of the ISFs, effectively avoiding its early failure by accumulation of solids.

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12

Nieć, Jakub, Paweł Zawadzki, and Filip Nowacki. "Small Dam Drainage with Nonwoven Geotextile after 40 Years of Exploitation." Applied Sciences 9, no. 19 (October 4, 2019): 4161. http://dx.doi.org/10.3390/app9194161.

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Synthetic materials such as nonwovens, mats and membranes have been commonly used in civil engineering for many years. The changes of geotextile characteristics in time (permeability, porosity, etc.) are poorly understood. Many authors have presented the changes in the properties of synthetic materials, mainly based on laboratory tests. The studies on geotextile samples taken from working hydraulic structures are not so many. Over 40 years, the reduction in the permeability of nonwoven geotextile was about four-fold. Probably the reason for that reduction is mechanical clogging caused by fine particles which have moved from the earth dam soil to the nonwoven geotextile. Over 40 years of operations, despite the reduction in permeability of the nonwoven geotextile, the drainage worked properly. The experiment was conducted in the field and laboratory and a two-dimensional numerical model built in software package HYDRUS (two-dimensional/three-dimensional (2D/3D)) Standard was proposed. The field measurements allow calibration and validation of the numerical model. The conducted simulations showed that at a maximum water level in the reservoir equal to 3.32 m, the water supply to the drainage is higher from upstream than from downstream. Particularly, water supply from above to the drainage is absent.

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13

FAURE, Y., A. BAUDOIN, P. PIERSON, and O. PLE. "A contribution for predicting geotextile clogging during filtration of suspended solids." Geotextiles and Geomembranes 24, no. 1 (February 2006): 11–20. http://dx.doi.org/10.1016/j.geotexmem.2005.07.002.

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14

Abbaspour, A., and B. F. Tanyu. "Chemical clogging and geotextile serviceability in subdrains adjacent to recycled concrete." Geosynthetics International 28, no. 4 (August 2021): 402–20. http://dx.doi.org/10.1680/jgein.20.00051.

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15

Jiao, Yang, Jia He, Peiyuan Zhou, and Ziqian Cao. "Potential of Flocculant-Aided Soil Slurry Dewatering in Land Reclamation: Laboratory Investigations." Advances in Civil Engineering 2018 (October 14, 2018): 1–6. http://dx.doi.org/10.1155/2018/8040193.

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When soil slurry is used as a fill material in land reclamation projects, vacuum preloading or geotextile tube systems are often adopted for the dewatering treatment in a large scale. However, these two methods often suffer from clogging problems and impede further dewatering treatment. In this study, we test the potential of using flocculants to enhance the dewatering efficiency in a vacuum preloading model test and a geotextile tube model test. Experimental results show that, by adding a flocculant into soil slurry, the dewatering efficiency in terms of drainage volumes and rates is significantly improved as compared to that in pure soil slurry. The amounts of drainage water in the tests with flocculant addition are about 20% and 100% more than those in pure slurry tests in the vacuum preloading and geotextile tube model tests, respectively. The underlying reason could be the flocculation effect that prevents the movement of small soil grains and the formation of impermeable layers on the filters.

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16

Lee, Kwangyeol, and Hanyong Jeon. "Evaluation of clogging effects on nonwoven geotextile filters by negative-ion treatment." Fibers and Polymers 9, no. 3 (June 2008): 365–73. http://dx.doi.org/10.1007/s12221-008-0059-4.

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17

Ghosh, Chandan, and Kazuya Yasuhara. "Ultrasonic Removal of Clogging and Evaluation of Flow Capacity of Geotextile Drain." Indian Geotechnical Journal 51, no. 3 (June 2021): 539–51. http://dx.doi.org/10.1007/s40098-021-00547-2.

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18

Wu, Huanan, Qian Wang, Jae Hac Ko, and Qiyong Xu. "Characteristics of geotextile clogging in MSW landfills co-disposed with MSWI bottom ash." Waste Management 78 (August 2018): 164–72. http://dx.doi.org/10.1016/j.wasman.2018.05.032.

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19

Esmaeili, Morteza, Mohammad Salajegheh, and Sharare Jahangiri Famenin. "Experimental assessment of geotextile serviceability lifetime as ballasted railway filter focusing on clogging phenomenon." Construction and Building Materials 211 (June 2019): 675–87. http://dx.doi.org/10.1016/j.conbuildmat.2019.03.281.

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20

Hayashi, Hideo, and Akira Mori. "One Proposal on the Design of Nonwoven Geotextile Filter Layer Considering Permeability Due to Clogging." Doboku Gakkai Ronbunshu, no. 553 (1996): 155–70. http://dx.doi.org/10.2208/jscej.1996.553_155.

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21

Ko, Jae Hac, Qian Wang, Tugui Yuan, Huanan Wu, and Qiyong Xu. "Geotextile clogging at different stages of municipal solid waste landfills co-disposed with bottom ash." Science of The Total Environment 687 (October 2019): 161–67. http://dx.doi.org/10.1016/j.scitotenv.2019.06.119.

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22

Pal, Suravi, and Kousik Deb. "Filtration performance of geotextile encasement to minimize the clogging of stone column during soil liquefaction." Geotextiles and Geomembranes 49, no. 3 (June 2021): 771–88. http://dx.doi.org/10.1016/j.geotexmem.2020.12.008.

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23

Wang, Qian, Jae Hac Ko, Huanan Wu, Feng Liu, and Qiyong Xu. "Impact of bottom ash co-disposed with municipal solid waste on geotextile clogging in landfills." Science of The Total Environment 774 (June 2021): 145744. http://dx.doi.org/10.1016/j.scitotenv.2021.145744.

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24

Abdurrasheed, Abdurrasheed Sa'id, Khamaruzaman Wan Yusof, Husna Bt Takaijudin, Aminuddin Ab Ghani, Muhammad Mujahid Muhammad, and Abdulkadir Taofeeq Sholagberu. "Advances and Challenging Issues in Subsurface Drainage Module Technology and BIOECODS: A Review." MATEC Web of Conferences 203 (2018): 07005. http://dx.doi.org/10.1051/matecconf/201820307005.

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Subsurface drainage modules are important components of the Bio-ecological Drainage System (BIOECODS) which is a system designed to manage stormwater quantity and quality using constructed grass swales, subsurface modules, dry and wet ponds. BIOECODS is gradually gaining attention as one of the most ecologically sustainable solutions to the frequent flash floods in Malaysia and the rest of the world with a focus on the impact of the subsurface modules to the effectiveness of the system. Nearly two decades of post-construction research in the BIOECODS technology, there is need to review findings and areas of improvement in the system. Thus, this study highlighted the key advances and challenges in these subsurface drainage modules through an extensive review of related literature. From the study, more work is required on the hydraulic characteristics, flow attenuation and direct validation methods between field, laboratory, and numerical data. Also, there is concern over the loss of efficiency during the design life especially the infiltration capacity of the module, the state of the geotextile and hydronet over time. It is recommended for the sake of higher performance, that there should be an onsite methodology to assess the permeability, rate of clogging and condition of the geotextile as well as the hydronet over time.

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25

Nikitin, Andrey, and Olga Zaborskaya. "Effective engineering solutions for drainage systems in peat soils." E3S Web of Conferences 164 (2020): 01019. http://dx.doi.org/10.1051/e3sconf/202016401019.

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The article describes the feasibility of using a stone-free drainage system for water depression in peaty soils. The purpose of the research is to develop economical and technological engineering solutions for drainage in peat soils. A specimen of a stone-free drainage system, including a perforated corrugated pipe 150 mm in diameter and expanded polysterene pellets as aggregate, was studied in laboratory conditions. Geotextile filters were wrapped around both the aggregate and the drain pipe. The drainage system specimen was subjected to a load equivalent to that applied by 1 to 4 m of backfilling sand. The study established high deformability of the drain pipe and the pelletized expanded polysterene aggregate, as well as a considerable decrease in the aggregate water permeability. Тhe burial depth of a typical stone-free drainage system shall be limited by 2.5 m. The article shows that the presence of clogging particles in drain water may lead to a considerable decrease in permeability of geotextile filters on drain pipes. The proposed design of stone-free drainage system in peaty soils ensures lower material consumption, cost, and workload. To reduce deformations of stone-free drainage system structural components, pipes and aggregate of non-yielding (stiff) materials shall be used.

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26

Weng Long, Yong, Siti Noor Linda Taib, and Onni Suhaiza Selaman. "Evaluation of Critical Parameters to Improve Slope Drainage System." Advances in Civil Engineering 2017 (2017): 1–9. http://dx.doi.org/10.1155/2017/3796423.

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This study focuses on identifying and evaluating critical parameters of various drainage configurations, arrangement, and filter which affect the efficiency of water draining system in slopes. There are a total of seven experiments with different types of homogeneous soil, drainage envelope, filter material, and quantity of pipes performed utilizing a model box with a dimension of 0.8 m × 0.8 m × 0.6 m. The pipes were orientated at 5 degrees from the horizontal. Rainfall event was introduced via a rainfall simulator with rainfall intensity of 434.1 mm/h. From the experiments performed, the expected outcomes when utilizing double pipes and geotextile as envelope filter were verified in this study. The results obtained from these experiments were reviewed and compared with Chapter 14 “Subsurface Drainage Systems” of DID’s Irrigation and Agricultural Drainage Manual of Malaysia and the European standard. It is recommended that the pipe installed in the slope could be wrapped with geotextile and in tandem with application of granular filter to minimize clogging without affecting the water discharge rate. Terzaghi’s filter criteria could be followed closely when deciding on new materials to act as aggregate filter. A caging system could be introduced as it could maintain the integrity of the drainage system and could ease installation.

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27

Hayashi, Hideo, and Akira Mori. "Study on the Prediction of Permeability Reduction Due to Clogging of Geotextile Materials in Earthfill Embankments." Doboku Gakkai Ronbunshu, no. 510 (1995): 57–67. http://dx.doi.org/10.2208/jscej.1995.510_57.

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28

Guo, Chenyao, Jingwei Wu, Yan Zhu, Zhongbing Lin, Shuai He, Yingzhi Qian, Haoyu Yang, Hang Li, and Wei Mao. "Influence of clogging substances on pore characteristics and permeability of geotextile envelopes of subsurface drainage pipes in arid areas." Geotextiles and Geomembranes 48, no. 5 (October 2020): 735–46. http://dx.doi.org/10.1016/j.geotexmem.2020.05.006.

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29

Wang, Qian, Tianqi Zhang, Guangxue Wu, and Qiyong Xu. "Deciphering acyl-homoserine lactones-mediated quorum sensing on geotextile bio-clogging in municipal solid waste and bottom ash co-disposal landfills." Waste Management 124 (April 2021): 136–43. http://dx.doi.org/10.1016/j.wasman.2021.02.001.

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30

Vandaele, S., C. Thoeye, B. Van Eygen, and G. De Gueldre. "Small wastewater treatment plants in Flanders (Belgium): standard approach and experiences with constructed reed beds." Water Science and Technology 41, no. 1 (January 1, 2000): 57–63. http://dx.doi.org/10.2166/wst.2000.0010.

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In Flanders (Belgium) an estimated 15% of the population will never be connected to a central wastewater treatment plant (WWTP). Small WWTPs can be a valuable option. Aquafin bases the decision to build SWWTPs on a drainage area study. To realise an accelerated construction the process choice is made accordingly to a standard matrix, which represents the different technologies in function of the size and the effluent consents. A pilot scale constructed two-stage reed bed is used to optimise the concept of the reed beds. The concept consists of a primary clarifier, two parallel vertical flow reed beds followed by a sub-surface flow reed bed. The removal efficiency of organic pollutants is high (COD: 89%, BOD: 98%). Phosphorus removal is high at the start-up but diminishes throughout the testing period (from 100% to 71% retention after 7 months). Nitrogen removal amounts to 53% on average. Nitrification is complete in summer. Denitrification appears to be the limiting factor. In autumn leakage of nitrogen is assumed. Removal efficiency of pathogens amounts to almost 99%. Clogging forms a substantial constraint of the vertical flow reed bed. Problems appear to be related with presettlement, feed interval and geotextile.

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31

Wang, H. Y., X. W. Tang, Q. Tang, and B. Bai. "Analytical solutions for soil flushing through geotextiles considering filter cake and clogging." Lowland Technology International 17, no. 1 (2015): 11–18. http://dx.doi.org/10.14247/lti.17.1_11.

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32

da Silva, Jorge Luis Vieira, and Paulo César Lodi. "Evaluation of Superficial and Internal Clogging of Geotextiles." International Journal of Civil Engineering 18, no. 10 (June 3, 2020): 1125–37. http://dx.doi.org/10.1007/s40999-020-00524-5.

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33

Barrington, S. F., K. El Moueddeb, J. Jazestani, and M. Dussault. "The Clogging of Nonwoven Geotextiles With Cattle Manure Slurries." Geosynthetics International 5, no. 3 (January 1998): 309–25. http://dx.doi.org/10.1680/gein.5.0123.

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34

Maheshwari, Bal Krishna, and Deepak A. Gunjagi. "Filtration and Clogging Behavior of Geotextiles with Roorkee Soils." Geotechnical and Geological Engineering 26, no. 1 (September 21, 2007): 101–7. http://dx.doi.org/10.1007/s10706-007-9150-7.

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35

Rückert, Horst, Torsten Uhlig, Gottfried Kruse, and Peter Zschernitz. "Utilization of clogging in geotextiles for the sealing of earthworks." Geotextiles and Geomembranes 10, no. 2 (January 1991): 103–13. http://dx.doi.org/10.1016/0266-1144(91)90023-p.

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36

Palmeira, Ennio M., Aline F. N. Remigio, Maria L. G. Ramos, and Ricardo S. Bernardes. "A study on biological clogging of nonwoven geotextiles under leachate flow." Geotextiles and Geomembranes 26, no. 3 (June 2008): 205–19. http://dx.doi.org/10.1016/j.geotexmem.2007.10.006.

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37

Palmeira, E. M., and H. L. Trejos Galvis. "Opening sizes and filtration behaviour of nonwoven geotextiles under confined and partial clogging conditions." Geosynthetics International 24, no. 2 (May 2017): 125–38. http://dx.doi.org/10.1680/jgein.16.00021.

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38

Palmeira, E. M., and M. G. Gardoni. "The Influence of Partial Clogging and Pressure on the Behaviour of Geotextiles in Drainage Systems." Geosynthetics International 7, no. 4-6 (January 2000): 403–31. http://dx.doi.org/10.1680/gein.7.0178.

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39

Wang, Qian, Jae Hac Ko, and Qiyong Xu. "Comparison of bio-clogging characteristics of geotextiles in MSW and bottom ash co-disposal landfills." Waste Management 120 (February 2021): 459–66. http://dx.doi.org/10.1016/j.wasman.2020.10.003.

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40

Lennoz-Gratin, Ch. "The use of geotextiles as drain envelopes in France in connection with mineral clogging risks." Geotextiles and Geomembranes 5, no. 2 (January 1987): 71–89. http://dx.doi.org/10.1016/0266-1144(87)90048-3.

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41

Miszkowska, Anna, Stanislav Lenart, and Eugeniusz Koda. "Changes of Permeability of Nonwoven Geotextiles due to Clogging and Cyclic Water Flow in Laboratory Conditions." Water 9, no. 9 (September 1, 2017): 660. http://dx.doi.org/10.3390/w9090660.

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42

Liu, Sheng, Yuan Wang, and Di Feng. "Influence of polyurethane foam on chemical clogging of nonwoven geotextile and tailings caused by ferrous iron." Textile Research Journal, November 16, 2020, 004051752097345. http://dx.doi.org/10.1177/0040517520973456.

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The chemical clogging of geotextiles filters is a common issue, which threatens the safety of engineering projects. To reduce the chemical clogging of nonwoven geotextiles and enhance their drainage capability, a polyurethane foam was innovatively placed under the nonwoven geotextiles in this paper. A series of column tests were conducted to study the mechanism of the polyurethane foam to reduce the chemical clogging of the nonwoven geotextile filters in tailings caused by ferrous iron. In addition, the influence of the concentration of Fe2+, hydraulic gradient and thickness of the tailings specimen on the chemical clogging of the polyurethane foam and nonwoven geotextiles was examined. Less chemical clogging of geotextiles caused by polyurethane foam was observed and the related mechanism was firstly explained. The polyurethane foam under the geotextile reduced the contact between the geotextile and air. As a result, the chemical clogging of the geotextile was alleviated, which increased the drainage capability of the geotextiles. A high water saturation of the polyurethane foam would help to a reduce the extent of the chemical clogging of the geotextile. The chemical clogging characteristics of geotextiles and polyurethane foam under different concentrations of Fe2+ and hydraulic gradients were observed.

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"Estimating Optimal Geotextile Type for Controlling Soil Erosion." VOLUME-8 ISSUE-10, AUGUST 2019, REGULAR ISSUE 8, no. 10 (August 10, 2019): 1439–42. http://dx.doi.org/10.35940/ijitee.j1012.0881019.

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Abstract:

One of the major functions of geotextiles is to control soil erosion. Apparent opening size and permeability of non-woven geotextiles are properties that control erosion. In this manuscript, soil taken from an eroded pond is considered for the study. Filtration and clogging behavior of the several geotextiles are studied under laminar flow conditions and at three different hydraulic gradients. Results facilitate selecting the appropriate geotextile based on permeability, filtration and clogging for use as erosion control

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44

"Biological and particulate clogging of geotextile/soil filter systems." International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts 29, no. 6 (November 1992): 388. http://dx.doi.org/10.1016/0148-9062(92)91995-h.

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Fatema, N., and S. K. Bhatia. "Sediment Retention and Clogging of Geotextile with High Water Content Slurries." International Journal of Geosynthetics and Ground Engineering 4, no. 2 (April 11, 2018). http://dx.doi.org/10.1007/s40891-018-0131-0.

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"Clogging of geotextiles under pumping loads." International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts 29, no. 1 (January 1992): A46. http://dx.doi.org/10.1016/0148-9062(92)91417-4.

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47

"5000618 Method to prevent clogging of geotextiles and geonets." Biotechnology Advances 9, no. 3 (1991): 545. http://dx.doi.org/10.1016/0734-9750(91)91321-q.

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48

"Utilization of clogging in geotextiles for sealing of earthworks." International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts 28, no. 4 (July 1991): A251. http://dx.doi.org/10.1016/0148-9062(91)91017-l.

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49

"Long-term clogging behaviour of non-woven geotextiles with silty and gap-graded sands." International Journal of Rock Mechanics and Mining Sciences & Geomechanics Abstracts 29, no. 6 (November 1992): 388. http://dx.doi.org/10.1016/0148-9062(92)91994-g.

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Wang, Qian, Jae Hac Ko, Feng Liu, Wei Xiong, Xinwei Wang, and Qiyong Xu. "Bio-clogging mitigation in the leachate collection system of municipal solid waste landfill using graphene oxide-coated geotextiles." Chemosphere, October 2020, 128779. http://dx.doi.org/10.1016/j.chemosphere.2020.128779.

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