Academic literature on the topic 'Filter clogging'

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Journal articles on the topic "Filter clogging"

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Liu, Chunye, Rui Wang, Wene Wang, Xiaotao Hu, Wanying Wu, and Fulai Liu. "Different Irrigation Pressure and Filter on Emitter Clogging in Drip Phosphate Fertigation Systems." Water 14, no. 6 (2022): 853. http://dx.doi.org/10.3390/w14060853.

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Irrigation pressures and filters have a significant influence on emitter clogging in drip fertigation systems. Exploring the anti-clogging performance of emitters at different irrigation pressures (80, 90, 100 kPa; 40, 50, 60 kPa) and filters (the disc filter with an aperture of 125 μm, the screen filter with an aperture of 125μm, and the screen filter with an aperture of 200 μm) can provide suitable guidance for the design and operation of drip fertigation systems. The average relative discharge (Dra), the Christiansen uniformity coefficient (CU), and the differential pressure (DP) were analy
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Nam Lee, Gang, Tien Trung Duong, Sangho Park, Mansoo Kim, and Kwang Hyo Jung. "Study on filter clogging and filtration performance evaluation of Ballast Water Management System (BWMS) using analytical and numerical methods." Brodogradnja 76, no. 2 (2025): 1–17. https://doi.org/10.21278/brod76207.

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Filter clogging is a critical issue in ballast-water management systems (BWMSs) and is caused by the accumulation of sediment deposits and particles in water, particularly under high total suspended solid (TSS) conditions. Despite its significance, studies focusing on the prediction and prevention of clogging, as well as detailed investigations into its mechanisms, remain limited. In this study, an analytical method based on Darcy’s law is devised to predict clogging occurrences and filter performance is evaluated via computational fluid dynamics (CFD) simulations. Additionally, a coupled CFD-
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Bang, Ki Woong, Jin Chul Joo, Jin Ho Kim, et al. "Application of Bottom Ash as Filter Media for Construction Site Runoff Control." Water 12, no. 4 (2020): 990. http://dx.doi.org/10.3390/w12040990.

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The potential application of bottom ash (BA) for construction site runoff control as an alternative filter media with high removal efficiency of total suspended solids (TSS) and longer operation period were evaluated. Both lab-scale single-layer and pilot-scale multi-layer filtration experiments were performed using BA filter media with different particle sizes and various volumetric flow rates. Due to the mesoporous, irregular, and spherical shape of gravel-size BA filter media used in this study, relatively low surface area, negligible pore volume, and greater pore size were observed. Both T
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Tophoff, Lukas, Holger Schüttrumpf, Frank Heimbecher, Christian Vollmer, Bodo Philipp, and Yulduzkhon Abdullaeva. "Field Investigations and Service Life Assessment of Geosynthetic Filters in Tidally Influenced Revetments in Cases of Ochre Clogging." Water 16, no. 13 (2024): 1840. http://dx.doi.org/10.3390/w16131840.

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In recent decades, there have been individual cases of damage to the revetments of the German North Sea estuaries due to clogging by precipitated ochre products. This process is defined as ochre clogging and has been extensively explained in the literature. The primary aim of the investigations was to better understand the clogging process under in situ conditions and the causative environmental conditions surrounding the filters. Extensive in situ investigations were therefore carried out. It was found that a permeability reduction in geotextile filters can be strongly accelerated by ochre cl
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Wang, Shuaijie, Haitao Wang, Xuefeng Qiu, et al. "Study on the Performance of Filters Under Biogas Slurry Drip Irrigation Systems." Agriculture 15, no. 1 (2024): 30. https://doi.org/10.3390/agriculture15010030.

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Filters are essential components for maintaining the stability of drip irrigation systems, effectively reducing the risk of clogging. However, when applied to slurry drip irrigation systems, the complexity of slurry water quality makes it unclear how different filter types and their combinations affect the hydraulic performance of the system. This study provides a comprehensive performance evaluation of two common filter types and their combinations, considering various flow rates and biogas slurry-to-water ratios under drip irrigation conditions. The results revealed the following key finding
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Wu, Zhengguang, Yanjuan Qi, Aihong Kang, Bo Li, and Xueling Xu. "Evaluation of Particulate Matter Capture and Long-Term Clogging Characteristics of Different Filter Media for Pavement Runoff Treatment." Advances in Materials Science and Engineering 2020 (August 27, 2020): 1–15. http://dx.doi.org/10.1155/2020/5012903.

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The removal of particulate matter (PM) by filter media during filtration process can mitigate the pavement runoff pollution effectively. However, this process also makes the filter media prone to clogging. To better understand the size ranges of PM captured by filter media and the subsequent impact on the clogging process, filtration test and clogging test were conducted on five types of filter media. The effect of layer thickness and grain size of different filter media on particle removal efficiency was evaluated, based on the results of PM removal rate and the particle size distribution. Th
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Reddi, Lakshmi N., Ming Xiao, Malay G. Hajra, and In Mo Lee. "Physical clogging of soil filters under constant flow rate versus constant head." Canadian Geotechnical Journal 42, no. 3 (2005): 804–11. http://dx.doi.org/10.1139/t05-018.

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In this study, the differences in soil filter clogging are evaluated under two operating conditions: constant head and constant flow rate. Whereas filters placed around well screens and leachate collection systems are subjected to a constant flow rate, filters in earth dams and pavement drainage systems operate under constant or slightly varying heads. In this study, the experiments revealed similar permeability reductions with respect to time in both cases; however, the permeability reduction under the condition of constant head occurred in much fewer pore volumes than under the condition of
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Lee, Byungsik. "Convolutional Neural Network Model for Estimating Clogging of Ash-Mixed Sand Filters." Journal of the Korean Society of Hazard Mitigation 21, no. 4 (2021): 159–68. http://dx.doi.org/10.9798/kosham.2021.21.4.159.

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A deep learning model was developed to estimate the clogging of voids in bottom-ash-mixed sand filters. Filter clogging is characterized by a decrease in the infiltration ratio with an increase in the outflow. The estimation of clogging for time-series forecasting is a regression problem. Various algorithms for regression problems have been applied through machine learning and deep learning. Despite the various algorithm applications, an application for clogging appears to be emerging. Studies are required to develop dependable models for precisely predicting clogging. A convolutional neural n
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Alimohammadi, Hossein, Kristina Vassiljeva, Eduard Petlenkov, et al. "Gray Box Time Variant Clogging behaviour and Pressure Drop Prediction of the Air Filter in the HVAC System." E3S Web of Conferences 246 (2021): 10002. http://dx.doi.org/10.1051/e3sconf/202124610002.

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Identification and prediction of clogging behavior in heating, ventilation, and air conditioning (HVAC) filters is crucial to avoid issues such as system overheating, energy waste, lower indoor air quality, etc. Researchers are focusing more on the particle loading characteristics of a filter medium in a laboratory environment under steady-state conditions, fixed particle concentrations, area of porosity, dust feed and volumetric flow rate. However, recent research still shows uncertainties in modeling as well as the implementation problems of constructing the HVAC laboratory test bench and eq
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Alavi Moghaddam, M. R., Y. Guan, H. Satoh, and T. Mino. "Filter clogging in coarse pore filtration activated sludge process under high MLSS concentration." Water Science and Technology 54, no. 10 (2006): 55–66. http://dx.doi.org/10.2166/wst.2006.728.

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Coarse pore filtration activated sludge process is a type of hybrid process in which the secondary settling tank of the conventional activated sludge process is replaced by non- woven and coarse pore filter modules. The filter has pores, which are irregular in shape, and much bigger than micro-filtration membrane pores in size. The objective of the study is to find out the effect of the microbial community structure on filter clogging in the coarse pore filtration activated sludge process under high MLSS concentration in aerobic and anoxic/aerobic (A/A) conditions. Filter clogging started from
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Dissertations / Theses on the topic "Filter clogging"

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Biswas, Sharbaree. "Study of cohesive soil-granular filter interaction incorporating critical hydraulic gradient and clogging." Access electronically, 2005. http://www.library.uow.edu.au/adt-NWU/public/adt-NWU20060221.100311/index.html.

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Sliwinski, Kristoffer. "A Machine Learning Approach to Predictively Determine Filter Clogging in a Ballast Water Treatment System." Thesis, KTH, Skolan för industriell teknik och management (ITM), 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-263931.

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Since the introduction of the Ballast Water Management Convention, ballast water treatment systems are required to be used on ships for processing the ballast water to avoid spreading bacteria or other microbes which can destroy foreign ecosystems. One way of pre-processing the water for treatment is by straining the water through a filtration unit. When the filter mesh retains particles, it begins to clog and could potentially clog rapidly if the concentration of particles in the water is high. The clog jeopardises the system. The thesis aims at investigating if machine learning through neura
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Andersson, Karolina. "Igensättning av långsamfilter i Östby vattenverk i Kramfors : studie av påverkande faktorer." Thesis, Uppsala University, Department of Earth Sciences, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-9281.

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<p>Östby waterworks in the community of Kramfors has since 2003 had problems of fast clogging of the slow sand filters. As the clogging appears more often, they must be cleaned more frequently which has made the drinking water preparation difficult. Wintertime it has sometimes been impossible to clean the filters which has led to their closing and this has influenced the water quality negatively.</p><p>The waterworks is a surface waterworks which takes its raw water from the lake Sjöbysjön. The water is flocculated and filtered in a contact filter with the flocculent EKOFLOCK 91. Thereafter it
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Mitchell, Ged. "An investigation into the factors affecting the behaviour of Highway Filter Drains, with a particular emphasis on the Scottish Trunk Road Network." Thesis, Abertay University, 2017. https://rke.abertay.ac.uk/en/studentTheses/768779b0-366a-434d-a28d-e9313885d37b.

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Approximately 1500 km (43%) of the strategic Scottish trunk road network drainage asset takes the form of Highway Filter Drains (HFDs). However, despite their popularity, they are prone to clogging, therefore they have an estimated operational life-cycle of ten-years. This research was undertaken to investigate the complex inter-relationship between catchment characteristics, road dynamics and the physical characteristics of the road to establish the key factors that govern the generation and spatial variability of Road-Deposited-Sediment (RDS). The aim being to establish the impact RDS Partic
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Pinto, Marinaldo Ferreira. "Desenvolvimento e avaliação de um sistema de filtragem com reversão de fluxo de alta frequência." Universidade de São Paulo, 2013. http://www.teses.usp.br/teses/disponiveis/11/11143/tde-12072013-082758/.

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A obstrução de emissores tem sido um entrave para a microirrigação. Porém, tem-se notado poucos estudos relativos ao desenvolvimento de equipamentos que auxiliam na prevenção da obstrução de emissores nos últimos anos. Os estudos realizados nesta linha estão geralmente ligados à caracterização dos sistemas em uso. O objetivo deste trabalho foi desenvolver um sistema de filtragem com reversão automática de fluxo, de alta frequência. O sistema foi concebido para operar com água de baixa qualidade, com inversão de fluxo e limpezas automáticas e com volume mínimo de água para realização das limpez
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Boudhan, Rachid. "Performance of pulse-jet bag filter regarding particle removal for nano-waste incineration conditions." Thesis, Ecole nationale supérieure Mines-Télécom Atlantique Bretagne Pays de la Loire, 2017. http://www.theses.fr/2017IMTA0022/document.

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Les performances de filtration d’un filtre à manche vis-à-vis de particules submicroniques et nanométriques ont été évaluées à l’échelle du laboratoire durant plusieurs cycles de colmatage/décolmatage. La distribution granulométrique des particules (aérosol de combustion) était représentative de celle rencontrée en incinération de nano-déchets en sortie de chambre de combustion à l’échelle du laboratoire. Le filtre à manche opérait en conditions réalistes, représentatives de celles rencontrées dans les lignes de traitement des fumées d’incinération de déchets en termes de température, humidité
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Gervais, Pierre-Colin. "Études expérimentale et numérique du colmatage de filtre plissé." Thesis, Université de Lorraine, 2013. http://www.theses.fr/2013LORR0007/document.

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L'utilisation de filtres plissés dans le domaine du traitement de l'air est extrêmement fréquente en raison de leur simplicité d'utilisation et de maintenance. Néanmoins, au cours du colmatage, la perte de charge augmente considérablement avec le dépôt de particules. Par conséquent le débit de filtration n'est plus maintenu et une détérioration des médias peut se produire. Il est essentiel de caractériser cette évolution en fonction des conditions opératoires pour mieux concevoir ces équipements. Les travaux ont consisté en une étude expérimentale de l'influence des conditions opératoires sur
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Japuntich, Daniel A. "Clogging of fibrous filters with monodisperse aerosols." Thesis, Loughborough University, 1991. https://dspace.lboro.ac.uk/2134/7132.

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The clogging of fibrous air filters by solid aerosol particles in the inertial interception capture range was experimentally and theoretically investigated. Flat filters were loaded to particle filter cake formation at 0.10 m/s filter face velocity with monodisperse aerosols. An evaporator-condenser aerosol generator capable of producing a stable 0.6 kg/hr product of monodisperse, solid aerosols in the range 1 to 5 micrometers aerodynamic diameter was designed, fabricated, and optimized. The output aerosol was introduced into a vertical challenge duct, where the mass concentrations upstream an
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Le, Maout-Alvarez Coralie. "Étude expérimentale des effets chimiques sur le colmatage des filtres dans l’industrie nucléaire." Electronic Thesis or Diss., Université de Lorraine, 2023. http://docnum.univ-lorraine.fr/ulprive/DDOC_T_2023_0015_ALVAREZ.pdf.

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Lors d'un accident de type APRP (Accident de Perte du Réfrigérant Primaire) survenant dans réacteur nucléaire à eau pressurisé (REP), des débris sont générés et ils peuvent être partiellement transportés jusqu'aux filtres des systèmes de secours RIS-EAS des puisards situés dans le fond de l'enceinte de confinement du réacteur. Ces débris peuvent contribuer au colmatage « physique » des filtres. Un autre effet dit « effet chimique » correspond à l'apport de cations en solution de par la corrosion des débris (fibres d'isolant) et la possible corrosion de surfaces métalliques présentes dans le bâ
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Grippari, Florence. "Caractérisation et filtration des aérosols nonastructurés : application aux fumées de projection thermique des métaux." Thesis, Université de Lorraine, 2012. http://www.theses.fr/2012LORR0158/document.

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Cette étude porte sur la filtration des particules métalliques contenues dans les fumées de métallisation. Des retours d'expériences spécifiques aux dépoussiéreurs filtrants les fumées de métallisation témoignent d'un colmatage des filtres très rapide ainsi que de l'inefficacité des techniques de décolmatage pneumatique habituellement utilisées. Il en résulte une durée de vie des éléments filtrants très réduite. L'objectif de cette étude est de caractériser le colmatage puis le décolmatage afin d'améliorer les performances des dépoussiéreurs à cartouches filtrantes vis-à-vis des fumées de méta
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Books on the topic "Filter clogging"

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Koerner, Robert M. Landfill leachate clogging of geotextile (and soil) filters: Project summary. U.S. Environmental Protection Agency, Risk Reduction Engineering Laboratory, 1991.

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McKnight, Suzanne Jane. The potential causes of clogging of geotextile filters in landfill sites. Queen Mary and Westfield College, 1992.

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Koerner, Robert M. Leachate clogging assessment of geotextile and soil landfill filters: Project summary. National Risk Management Research Laboratory, Office of Research and Development, U.S. Environmental Protection Agency, 1995.

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Japuntich, Daniel A. Clogging of fibrous filters with monodisperse aerosols. 1991.

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Book chapters on the topic "Filter clogging"

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Dudczig, Steffen, Enrico Storti, and Christos G. Aneziris. "Registration of Filtration Efficiency of Active or Reactive Filters in Contact with Steel Melt in a Steel Casting Simulator." In Multifunctional Ceramic Filter Systems for Metal Melt Filtration. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-40930-1_19.

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AbstractAspecial metal-casting simulator allowed to investigate the behavior of nozzles and filters in contact with a steel melt under controlled atmosphere. First, the clogging of carbon-bonded alumina nozzles with different active or reactive coatings was evaluated by introducing exogenous inclusions while monitoring the changes in melt flow with time. In addition, the microstructure of the nozzles was investigated by scanning electron microscopy coupled with energy-dispersive X-ray spectroscopy to assess the coating decomposition and phase transformations. In further approaches, endogenous
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Wetzig, Tony, Andreas Baaske, Sven Karrasch, Steffen Dudczig, and Christos G. Aneziris. "Cleanness of Molten Steel—Active and Reactive, Exchangeable Filter Systems for the Continuous Casting of Steel." In Multifunctional Ceramic Filter Systems for Metal Melt Filtration. Springer International Publishing, 2024. http://dx.doi.org/10.1007/978-3-031-40930-1_29.

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AbstractThe filtration of steel melts in the continuous casting of steel is of special interest in order to meet the ever-increasing purity requirements regarding the metal’s purity. Due to the high mass flow and the high casting duration, the application of in-built filters in the tundish system is rather challenging, especially regarding the filter capacity. In the framework of this contribution, a new concept involving the immersion of filters into the steel melt from above the tundish was investigated. This approach allows for the flexible exchange of used filters without interruption of t
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Hu, Junlong, Yao Xie, Jing Wang, and Deyong Wang. "Anti-clogging performance of coconut fiber filter of drainage body in vacuum preloading." In Urban Construction and Management Engineering IV. CRC Press, 2024. http://dx.doi.org/10.1201/9781032626444-48.

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Kandra, Harpreet Singh, David McCarthy, and Ana Deletic. "Review of clogging processes in stormwater treatment filters." In Sustainable Civil Engineering. CRC Press, 2023. http://dx.doi.org/10.1201/9781003368335-15.

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Markiewicz, Anna, Marta Kiraga, and Eugeniusz Koda. "Behaviour of Geotextile Filters Under Artificial Clogging Conditions." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2025. https://doi.org/10.1007/978-981-96-2710-3_14.

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Yaşar, Fevzi. "Biodiesel Production from Algae Oil." In Algal Biotechnology for Fuel Applications. BENTHAM SCIENCE PUBLISHERS, 2022. http://dx.doi.org/10.2174/9789815051001122060006.

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In this study, biodiesel production was investigated by the transesterificationreaction from algae oil. For biodiesel production, the oil obtained from Chlorellaprotothecoides type algae grown in freshwater with 5% thermal water was added tofully automated closed-loop system high-tech pyramid photobioreactors and adaptedfor oil production, which had a low acid value (0.23 mg KOH/g). Because of this, basecatalyst transesterification was applied. For the transesterification reaction, 99.7%purity of methyl alcohol as alcohol and 99.9% purity of potassium hydroxide (KOH)was used as a catalyst. In
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"piggeries increased. In that time limits to farm size were seldom determined by farm waste disposal and air polution. At present there are local regions where is a surplus of slurry. Due to the low value as a fertilizer transport to other regions is too expensive and in some cases over manuring will exceed. Separation of slurry offers the possibility of obtaining solid manure with a high fertilizer value and a liquid with a low value. On this way it becomes more worthwhile to transport the solid manure over longer distances, So it reduces over manuring. However slurry separation with a high efficiency is costly about £4,-/pigplace by adding flocculants and expensive complicated separations (1). Underslat slurry storage also influences environnement as well inside as outside the piggery because gases are released from the slurry. On the other hand anaerobic digestion processes will be avoid by daily removal and separate storage of faeces and urine. That factors were for IMAG a motive to develop a reliable combined manure filter and removal system for piggeries. 2. SEPARATION EFFICIENCY In a preliminary investigation the separation efficiency of different separation techniques under slatted floors was defined. Separation efficiency means which part of the total components in faeces and urine remains in the faeces. This research was carried out in a pen with 8 pigs. The pigs were given wet feed without drinkwaterprovisions. In Fig.l the separation result is mentioned for a filter net of meshsize 0.78x0.78 mm. From Fig.l it is apparent that about 35% of the total faeces and urine is removed as a solid and that about 90% of the total dry matter is in the faeces. Also for a number of minerals, p2°5’ Ca(^ » and Cu> amounts to more than 90%. Nitrogen and potassium were separated in smaller amounts, about 60% and 40% respectively, being retained in the solid. On basis of this result and after comparative research with concern for filtering, clogging and cleaning the above mentioned filternet is now being used for the final mechanized filter and removal system. 3* THE MECHANIZED FILTER INSTALLATION A combined filter and manure system must be completely reliable, since it is not easy to make repairs under “the slats.v After 2-3 years of experience a system which works well has been developed.(2,3,4) In Fig.2 a schematic diagram of the filter system is shown under the slatted floor. In the channel under the slats two angle sections (1) are attached one above the other and fixed over the whole length to both walls. These are covered from above with protective plates (2) joined underneath the slats. The filter net (3) is provided with." In Odour Prevention and Control of Organic Sludge and Livestock Farming. CRC Press, 1986. http://dx.doi.org/10.1201/9781482286311-91.

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Conference papers on the topic "Filter clogging"

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Kumar Chikkam, Anil, Aaron Ulmer, Nathan Pace, et al. "Preventing Emergency Landings: Addressing Jet Fuel Filter Clogging and Microbial Contamination." In CONFERENCE 2024. AMPP, 2024. https://doi.org/10.5006/c2024-20799.

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Abstract Emergency landings, also known as "aircraft on ground" (AOG) situations, can arise from various causes, including the clogging of jet fuel filters. This paper focuses on the problem of clogged fuel filters and its connection to microbial growth. When a jet fuel filter becomes clogged, even with a full fuel tank, pilots receive a low fuel message, necessitating an emergency landing at the nearest airport. Failure to address the root cause of filter clogging may result in recurring incidents, causing further disruptions to air travel schedules. To mitigate such issues, it is crucial to
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Lutterbach, Márcia Teresa Soares, Luciana Silva Contador, Mariana Machado Galvão, Viviane de Oliveira, Marcelo Araújo, and Gutemberg de Souza Pimenta. "Real-time PCR Applied to Quantification of SRB in Bottom Water from Fuel Tanks." In CORROSION 2011. NACE International, 2011. https://doi.org/10.5006/c2011-11233.

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Abstract Microorganisms can grow in different types of fuels. The presence of water in the fuel is crucial for the growth of bacteria, fungi and yeasts. Microorganisms may grow in the presence of oxygen (aerobic) or in its absence (anaerobic), feeding primarily on hydrocarbon fuel, minerals and other impurities in the water. The amount of water required for microbial growth is very small. A fuel containing only 1% of water presents favorable conditions for the development of microbial colonies and spores can survive in the presence of only 5 -80 ppm of water. In practice, the bottoms of storag
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Powell, Daniel, Larry Stapley, Jason Hughes, and Elliot Brown. "Controlling the Formation of a Non-Sulfur Based Black Powder within a New Natural Gas Processing Plant’s Waste Heat Recovery Unit and Minimizing Any Threats of a Possible Metal Dusting Corrosion Mechanism within Process Tubing." In CORROSION 2012. NACE International, 2012. https://doi.org/10.5006/c2012-01438.

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Abstract “Black powder” is commonly used to describe iron sulfide or iron oxide compounds, which may form within natural gas pipelines. Extensive “black powder” problems were reported following the startup of a new gas processing facility in 2009. Specifically, an extensive dark to black powdery dust or flakes were found clogging the waste heat recovery unit (WHRU) heat exchangers and the downstream filters and piping. The “black powder” was not observed in the inlet filters to the plants or the amine systems, but was observed within the mole sieve dehydrators (Presumably, the powder was trans
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Bonne, Samuel, and Nicolas Arnault. "Oil Filter Clogging Rule - Correlation between Mileage and Lab Test Clogging." In SAE 2012 International Powertrains, Fuels & Lubricants Meeting. SAE International, 2012. http://dx.doi.org/10.4271/2012-01-1754.

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Youssef, Alilou, Bourrous Soleiman, Thomas Dominique, Bardin-Monnier Nathalie, Nérisson Philippe, and Gélain Thomas. "Experimental Characterization of Airflow Within a Clean HEPA Filter Used for the Containment of Radioactive Contamination in Nuclear Facilities." In 2016 24th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/icone24-60901.

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In hazardous industrial activities such as in nuclear facilities, High Efficiency Particulate Air filters (HEPA filters) are essential to ensure the containment of airborne contamination. Most of the filters used in ventilation networks are pleated, in order to offer a larger surface of filtration. For industrial risks likely to lead to an important release of particles (e.g. fire), predicting the evolution of the pressure drop of pleated filters is very important, in order to anticipate any dysfunction, failure or breaking of these devices. Pressure drop variations are linked to airflow rate
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Ono, Takuya, Koji Watanabe, Shinsuke Tashiro, Yuki Amano, and Hitoshi Abe. "HEPA Filter Clogging and Volatile Material Release Under Solvent Fire Accident in Fuel Reprocessing Facility." In 2017 25th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/icone25-67626.

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The new licensing standards were further improved by taking into account of lessons learned from the Fukushima-Daiichi nuclear accident, and countermeasures against severe accidents were newly required as regulatory items, where severe accidents were defined as serious accidents that occur under conditions exceeding design bases. Organic solvent fire in cell was defined as one of the severe accidents in nuclear fuel reprocessing facilities, which should be investigated, in order to establish methods for evaluating effectiveness of the countermeasures. One of the combustibles in the fire accide
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Gupta, Rohit Dev, Paolo Sironi, and Luca Della Chisea. "Remote Diagnostics of Air-Filter Clogging in a Network Equipment." In 2021 20th IEEE Intersociety Conference on Thermal and Thermomechanical Phenomena in Electronic Systems (iTherm). IEEE, 2021. http://dx.doi.org/10.1109/itherm51669.2021.9503243.

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Greenlee, Alison, Timothy Murray, Victor Lesniewski, Mark Jeunnette, and Amos G. Winter. "Design and Testing of a Low-Cost and Low-Maintenance Drip Irrigation Filtration System for Micro-Irrigation in Developing Countries." In ASME 2014 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/detc2014-35351.

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The cylindrical filters presently used in &lt;1000 m2 drip irrigation systems are frequently clogged, increasing pressure loss and lowering the flow rate through the filters. This work investigates the mechanisms for this clogging and proposes an alternative filtration design that would enable both more reliable and lower maintenance filtering. This proposed system is compatible with existing drip irrigation systems and could be made inexpensively with plastic bottle manufacturing equipment. To compare the proposed design to off-the-shelf options, a drip irrigation test setup was built to meas
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Yamano, Hidemasa, Hiroyuki Nishino, Kenichi Kurisaka, et al. "Development of Risk Assessment Methodology of Decay Heat Removal Function Against Natural External Hazards for Sodium-Cooled Fast Reactors: Project Overview and Volcanic PRA Methodology." In 2016 24th International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/icone24-60023.

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This paper describes mainly volcanic probabilistic risk assessment (PRA) methodology development for sodium-cooled fast reactors in addition to the project overview. In the volcanic PRA, only the effect of volcanic tephra (ash) was taken into account because there is a great distance between a plant site assumed in this study and volcanos. The volcanic ash could potentially clog air filters of air-intakes that are essential for the decay heat removal. The degree of filter clogging can be calculated by atmospheric concentration of ash and tephra fallout duration and also suction flow rate of ea
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Natchez, Sebastien, Romain Ceyrolle, Vincent Loizeau, and Hervé Cordier. "CFD Modeling of a Full Clogging Event in a Pumping Station With Neptune_cfd Solver: A Preliminary Investigation." In 2024 31st International Conference on Nuclear Engineering. American Society of Mechanical Engineers, 2024. http://dx.doi.org/10.1115/icone31-135781.

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Abstract The drum screen filters the water upstream of the pumping station of a NPP to protect it from debris entrance. These devices can be damaged in case of full clogging events because of drum deformation or air aspiration in the pumps located downstream of the filter. With climate change and the contingency to face more clogging events, EDF has lately tried to estimate their impact on pumping stations by different manners. The focus was set on passive filtration (static filter with no cleaning system) to reduce the complexity of the modelling and the objective is to determine how long it
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Reports on the topic "Filter clogging"

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Tien, Chi. Summary of studies on filter clogging. Office of Scientific and Technical Information (OSTI), 1993. http://dx.doi.org/10.2172/10108339.

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Ito, Atsushi, Tsubasa Ishii, Hideaki Ando, Fujio Umebayashi, and Keita Kinoshita. Research on Clogging Mechanism of Multilayered Fuel Filters and Extension of Filter Life Span in Ethanol Blended Fuel. SAE International, 2011. http://dx.doi.org/10.4271/2011-32-0570.

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