Relevant bibliographies by topics / Filter cloth

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Filter cloth'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 August 2024

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Journal articles on the topic "Filter cloth"

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Werner, Roman Alejandro, Dominik Ulrich Geier, and Thomas Becker. "The Challenge of Cleaning Woven Filter Cloth in the Beverage Industry—Wash Jets as an Appropriate Solution." Food Engineering Reviews 12, no. 4 (July 24, 2020): 520–45. http://dx.doi.org/10.1007/s12393-020-09228-x.

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Abstract Beverage production requires many different and complex unit operations. One crucial procedural step is filtration. Typical filters are filter presses, candle filters, membrane filters, belt filters, and drum filters, which require considerable hygienic precaution and the application of appropriate cleaning concepts. In the last decades, the hygienic design has become a central design feature of equipment in the beverage and food industries. Today, also correspondent concepts regarding filter cloth increasingly come to the fore. However, filter cloth cleaning is rapidly facing limitations. Complex filter geometries originating from different gauzes and sensitive polymeric materials hinder efficient cleaning. Additionally, extensive biological residues adhering to the filter surface increase the challenge of cleaning. The goal of this paper is to outline the cleaning of woven filter cloths systematically with a particular focus on beverages and correspondent biophysical interactions between filter and residue. Based on these elemental cleaning limits of filter cloths, this paper focuses mainly on jet cleaning as one of the most appropriate cleaning methods. The flow-mechanical properties are discussed in detail since these are precisely the parameters that, on the one hand, describe the understanding of the cleaning process and, on the other hand, show how a wash jet can be adjusted precisely. In contrast to conventional cleaning techniques, such wash jets are expeditious to adapt and offer the best prerequisites to enable demand-oriented and optimized cleaning concepts. The latest research and approaches are enhancing jet efficiency and highlight their potentials for future process strategies.
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Mao, Cheng Dong. "Effect of Fabric Construction on Water Permeability Rate of Woven Filter Cloth." Advanced Materials Research 331 (September 2011): 48–51. http://dx.doi.org/10.4028/www.scientific.net/amr.331.48.

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In order to explore the filtration performance of woven filter cloth to provide a design basis for filter cloth, the relationship of water permeability of filter cloth and fabric structural parameters is analyzed and studied by measuring the mass of water through the filter cloth within a specified time. The results show that water permeability rate of filter cloth decreases with the increase of fabric tightness, and the two assume the exponential function relationship. The relationship between yarn twist and water permeability rate assumes the linear positive correlation. The increase of yarn twist makes water permeability rate of filter cloth increase. The effect of textile weave on water permeability of filter cloth is that the water permeability rate of plain weave is the smallest and that of twill weave is the biggest.
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Evmenov, Sergey, Galina Evmenova, and Vladimir Tretyakov. "Complex analysis of polymer wastes in coal enrichment for the purpose of their utilization." E3S Web of Conferences 174 (2020): 01038. http://dx.doi.org/10.1051/e3sconf/202017401038.

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At ‘wet’ methods of minerals processing in order to dewater flotation concentrates, flotation waste and low-ash coal slurry, highly effi- cient equipment is used such as disk vacuum filters, belt filter presses, etc. On the filter surfaces of these machines, a filter cloth made of poly- caproamide fiber is attached or put on, which eventually goes out-of use for various reasons and is transported to dumps (landfills). The paper pre- sents a complex of physical and chemical analyses to evaluate influence of operating conditions of the filter cloth on the thermal and technological properties of the polymer. The results of the study showed a possibility of re-processing (recycling) of the out-of use filter material from vacuum fil- ters in order to obtain marketable recycled polycaproamide.
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Rocha, Sandra Mara Santana, C. B. Vasconcelos, Luiz Gustavo Martins Vieira, M. L. Aguiar, and João Jorge Ribeiro Damasceno. "The Influence of the Velocity of Filtration in the Formation and Removal the Dust Cake." Materials Science Forum 660-661 (October 2010): 46–51. http://dx.doi.org/10.4028/www.scientific.net/msf.660-661.46.

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The effective filtration area determined in a design of fabric filter depends on the filtration velocity, also known as air-to-cloth ratio that will be used. Low filtration velocities may demand big effective filtration areas. But then high filtration velocities may wear the filters out early. By searching for more efficient and economic equipments, this paper investigated the influence of the filtration velocity by formatting and removing the dust cake. Concluding that filtering at higher velocities a higher penetration of particles in the filter media occurs. Decreasing the filtration time and increasing the number which regenerates the cloth, consequently decreasing the life cycle of the filters.
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Farid, Muh, and Emenda Sembiring. "The Effect Of Top-Loading Washing Operational Setting On Microplastic Fibers Released From Cloth During The Washing Process And Filtered By Filter Cloth." Asian Journal of Engineering, Social and Health 3, no. 1 (January 18, 2024): 34–46. http://dx.doi.org/10.46799/ajesh.v3i1.199.

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Microplastics have been commonly found in wastewater, especially from laundry waste and wastewater treatment. Efforts to prevent microplastics in domestic washing activities are important so that microplastics can be removed from the source. The washing machine filters can collect most of the microplastic fibers before the water reaches the WWTP. The research carried out aimed to determine the effect of washing machine spin speed, operation time, and the intensity of repeated washing of textile materials on the microplastics released during the washing process as well as the influence of filter cloth porosity, operation time, and the intensity of repeated washing of textile materials on the filter cloth's ability in the filtering process of microplastic. There are three main stages in this research, the preparation stage, the research stage which consists of running the reactor to identify microplastics released during the washing process, running the reactor to determine the ability of the filter cloth to filter microplastics, and identifying microplastics. The data generated from the test is analyzed using a regression multiple linear. The results of identifying the amount of microplastic released from all samples had an average concentration of 281.24 particles/L and the average amount of microplastic filtered by the filter cloth was 78.8 mg/cycle. Spin speed, operation time, and washing repetition intensity simultaneously influence the released microplastics by 93.5%. The size of the filter cloth mesh, operation time, and the intensity of repeated washing simultaneously influence the filtered microplastics by 86.4%.
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Ringer, Coral N., Rebecca J. Engberg, Kristen E. Carlin, Kellie J. Micheletti, Dianna L. Shankland, and Robert M. DiBlasi. "Assessment of mask efficiency for preventing transmission of airborne illness through aerosols and water vapor." Gates Open Research 5 (July 20, 2021): 105. http://dx.doi.org/10.12688/gatesopenres.13318.1.

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Background: Currently the Center for Disease Control has advised the use of face coverings to prevent transmission of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) to those who are unvaccinated. This study seeks to evaluate if cloth masks have increased efficiency with the addition of a filter material. Methods: An adult airway and test lung model were exposed to nebulized ‘coarse’ aerosol droplets (0.5-11 µm) and humidified ‘fine’ water vapor particles (0.03-0.05 µm). Aerosol was quantified based on particles deposited on the face, airway and lung model. Tracheal humidity levels characterized fine particle permeability. Both phases of testing were conducted by evaluating the following testing conditions: 1) no mask; 2) cloth mask; 3) cloth mask with Swiffer™ filter; 4) cloth mask with Minimum Efficiency Reporting Value (MERV) 15 filter; 4) cloth mask with PM2.5 filter 5) surgical mask and 6) N95 respirator. Results: All mask conditions provided greater filtration from coarse particles when compared to no mask (P<0.05). All cloth mask with filter combinations were better at stopping fine particles in comparison to no mask. A cloth mask without a filter and surgical mask performed similarly to no mask with fine particles (P<0.05). The cloth mask with MERV 15 filter and the surgical mask performed similarly to the N95 with course particles, while the cloth mask with Swiffer™ performed similarly to the N95 with the fine particles (P<0.05). Conclusions: Respiratory viruses including SARS-CoV-2 and influenza are spread through exposure to respiratory secretions that are aerosolized by infected individuals. The findings from this study suggest that a mask can filter these potentially infectious airborne particles.
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Li, Zheng, Zi Jian He, Ying Cheng Zhou, Yi Tang, Yu Fang Chen, and Tao Jin. "Effect of Dimethyl Sulfoxide in Hydrophobic Modification of Cotton Filter Cloth by ARGET-ATRP Mechanism." Materials Science Forum 993 (May 2020): 1407–16. http://dx.doi.org/10.4028/www.scientific.net/msf.993.1407.

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In this paper, Dimethyl sulfoxide (DMSO) was used in the activating process of cotton filter cloth to improve its further hydrophobic modification reaction between cotton fabric and 1-octadecene via an electron transfer (ARGET) atom transfer radical polymerization (ATRP) mechanism. The major influences of DMSO on ARGET-ATRP process was discussed, and meanwhile, the microstructure changes, morphology feature and performance characteristics of cotton filter cloth during the reaction was explored by the SEM, AFM, EDS, XRD and TGA techniques.The result shows that DMSO can leads to cotton fibers adhesion and surface roughening under the ARGET-ATRP grafting reaction conditions, but has little changes on the crystal form, crystallinity and thermal properties of cellulose. At a DMSO dosage of 10%, the hydrophobically modified cotton filter cloth has a water contact angle (CA) of up to 141°. While naturally placed for 1 hour, the CA of hydrophobically modified cotton filter cloth can be stable at 116° with a decay rate of 17.5%, which proves that the hydrophobic stability of cotton filter cloth has been improved markedly. Furthermore, a better improvement for the hydrophobic stability of cotton filter cloth will significantly enhance the application of hydrophobic functional modified cellulosic materials.
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Ginisty, P., B. Legoff, J. Olivier, J. Vaxelaire, H. Tabuteau, and J. Paixao. "Measurement of adhesion strengths and energy between calcium carbonate cake and filter cloth." Water Practice and Technology 12, no. 1 (March 1, 2017): 211–16. http://dx.doi.org/10.2166/wpt.2017.003.

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Various devices in liquid-solid separation require mechanical cake discharge using different technologies. An incomplete cake discharge causes yield losses, cycle time increase, irregular cake formation, high mechanical constraints which decrease medium life time, excess consumption of cleaning liquors…. Currently, cake discharge is only assessed qualitatively by observations of filter cloth after discharge or quantitatively by weighing recovered solids. A prototype has been developed to carry out reliable and repeatable measurements by removing filter cloth from filter cake by shearing. This study presents results of experiments performed with calcium carbonate (which forms sticky cakes) and discusses the conditions of cake formation and cake detachment from filter cloth. It highlights the role of two main parameters: filter cloth characteristics and pressure.
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Li, Ling Yue, A. Tao Dou, Xue Shuai Zhu, Da Hu Li, and Lu Bin Wei. "The Effect of Gas Distributor Settings on the Separation Characteristics of Air-Dense Medium Fluidized Bed." Applied Mechanics and Materials 423-426 (September 2013): 657–61. http://dx.doi.org/10.4028/www.scientific.net/amm.423-426.657.

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Sintered board and porous board was used to be gas distributor of air-dense medium fluidized bed in the experiment, the influence of different gas distributor settings to fluidization and separation characteristics was investigated; The results showed that, under the same conditions, the pressure drop of sintered board gas distributor is greater than porous board gas distributor. The pressure drop of gas distributor is proportional to the layers of filter cloth and air volume. The uniformity and stability of sintered board gas distributor with 1 layer filter cloth is bad, sintered board gas distributor with 2 layers filter cloth and porous board gas distributor with 5 or 6 layers filter cloth can obtain a better fluidizing effect; Conducting separation experiment on fat coal of 50 ~13mm under the suitable air volume, porous board gas distributor with 5 layers filter cloth has the best separation accuracy, and its probable error Ep value is 0.05 g/cm3.
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Grabbe, U., C. F. Seyfried, and K. H. Rosenwinkel. "Upgrading of waste water treatment plants by cloth-filtration using an improved type of filter-cloth." Water Science and Technology 37, no. 9 (May 1, 1998): 143–50. http://dx.doi.org/10.2166/wst.1998.0351.

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In order to reach in the effluents of wastewater treatment plants values for phosphorous below 0,5 mg P/l and for the suspended solids below 5 mg SS/1, a filtration stage is necessary in almost all instances. Apart from conventional deep-bed porous media filters (gravity filters), cloth filtration systems offer a viable alternative because of the low head loss, and their low price. The use of pile fabrics instead of conventional needle felt solves the crucial problem of cloth filtration: the considerable increase of cloth resistance due to the irreversible soiling. Cloth filtration plants equipped with this filter media allow for considerably higher hydraulic strains and for higher surface loads with a separation performance on the same level as reached by conventional systems. If the problem of clogging is solved as well, it should be possible to use pile fabrics with even finer filaments on a pile of micro-fibres, which would further increase the effluent quality.
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Dissertations / Theses on the topic "Filter cloth"

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Billings, Shasta Le'ja. "Cloth Filter for Disaster Relief Water Treatment." DigitalCommons@CalPoly, 2013. https://digitalcommons.calpoly.edu/theses/919.

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Relief organizations and governments strive to provide safe drinking water to natural disaster survivors as quickly as possible. However, drinking water is typically provided either as bottled water or via mobile water treatment equipment, both of which can be difficult or expensive to transport rapidly into disaster zones. An alternative is the waterbag point-of-use treatment device developed at Cal Poly that allows survivors to produce safe drinking water from contaminated local sources. The waterbag is a 10-L bladder designed for use with Procter & Gamble Purifier of Water (PŪR®) sachets, which contain coagulant and chlorine compounds. Following treatment with PŪR®, treated water in the waterbag is flowed through an outlet port to a filter, primarily for parasitic cyst removal. Currently, the commercial version of the waterbag uses an effective but expensive hollow-fiber membrane microfilter (>$10 each). This cost will likely decrease the use of the waterbag by relief organizations responding to large disasters. The goal of the present thesis research was to develop a novel, low cost (~$5), effective, low-profile filter to be used with the waterbag in large-scale disaster relief. This new filter is referred to as an envelope filter due to its geometry and size. Various prototype envelope filters were constructed using layers of nonwoven polypropylene filter cloth. Two types of cloth were used: a nominally-rated 1-µm pore size cloth and an absolute-rated 1-µm cloth. The filters tested were both internal and external to the waterbag and of various geometries. Filters were attached to the waterbag and used to filter defined test water after it had been treated with a PŪR® sachet. Test water for design experiments consisted of tap water with addition of standard dust (to increase turbidity) and seasalts (to increase salinity). In addition to this basic test water, mock U.S. EPA Challenge Water #2 with added bacteria and cyst surrogates (fluorescent microspheres) was used to evaluate the filter prototype designs prior to testing according to U.S. EPA Guide Standard and Protocol for Testing Microbiological Water Purifiers in a commercial laboratory. The filter design and mock challenge experiment results indicated that a 2-ply filter with one nominal and one absolute layer was the optimal filter design. In the mock U.S. EPA challenge tests, a flowrate of 20 mL/min allowed this filter met the turbidity, bacteria, and microsphere removal requirements determined by the WHO and The Sphere Project for emergency drinking water treatment as well as the U.S. EPA Guide Standard and Protocol for Testing Microbiological Water Purifiers.. This filter design was further tested using the U.S. EPA Challenge Water #2 with triplicate waterbags at the U.S. EPA-certified BioVir Laboratories in Benicia, Calif. All three waterbags with envelope filters met the recommendations for turbidity (<5 >NTU) and for virus removal (>4-log removal). Two of the three waterbags met the bacteria and microsphere removal requirements (>6- and >3-log removal, respectively). The failure of one of the prototypes to meet the requirements could have been due to improper setting of valve that throttled the flowrate through the filter or due to a slightly leaking hose pinch valve. Future work should include incorporating more reliable valves and improving the envelope filter design and materials to achieve higher allowable flowrates.
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Andersson, Egerlid Axel, and Fredrik Westin. "Design of filter cloth analyser : Development of a portable filter cloth selection tool for filters used to regenerate the acid used in the pickling process during the production of stainless steel." Thesis, Luleå tekniska universitet, Institutionen för ekonomi, teknik och samhälle, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-71474.

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The stainless steel industry is an industry which manufactures one of the most used ma-terials in the world. Even though the vast size of the industry many might not reflect werethe steel comes from when buying their IKEAcutlery etc. But in fact this industry is moreintricate and complex than one might think.During the manufacturing process, the steelgoes through several processes. One of thoseprocesses is done by treating the steel withstrong acid. This chemical process is calledpickling. The pickling process is what createsthe characteristic smooth and shiny surface ofa product made in stainless steel.This thesis is about the development of a testunit that is able to effectively test the ASRA(Acid Sludge Removal Apparatus) filter cloths.The ASRA is a filtration system developed by Scanacon in Stockholm that filtrates and puri-fies acid that is used during the pickling pro-cess of a steel manufacture process. Today, it is complicated, time consuming and dangerous totest and evaluate different filter cloths in orderto find the cloth that provides the best result,since the tests has to be conducted on the realsystems. The aim of this thesis was therefore tosolve these problems. Scanacon wanted to findan alternative solution, that would not includeinteraction with the real filtration system. Theyalso wanted a portable and safe solution. To solve the problem a iterative design pro-cess called RDCD which stands for research, design, create & delivery was developed. Theprocesses was heavily influenced by the CDIO process (Conceive, Design, Implement & Ope-rate). After the research phase was conducted it was decided that a small filter analysis productwould be the best way to solve the problem. The product was then developed one com-ponent at a time. During the project several prototypes and test was created and conductedin order to validate the design.The result is a small filtration unit speciallydesigned to simulate the ASRA system. Theproduct is able to rapidly test various filtercloths in an easy way, without putting the user in harm’s way. After the tests has been perfor-med can the user can identify which cloth that worked the best. The product is small enoughto be possible to be carried in a hard case bag,which in turn affords portability.
Stålindustrin är en industri som tillverkar ettav de mest använda materialen i världen. Trotsindustrins enorma storlek är det kanske intemånga som reflekterar varifrån stålet kommerifrån när man köper exempelvis IKEA bestick.Men faktum är att den här industrin är mycketmer invecklad och komplex än vad man kan tro. Under tillverkningsprocessen går stålet ige-nom flera processer. En av de här processerna genomförs genom att behandla stålet med starksyra. Den kemiska processen kallas för betningoch är det som ger en produkt tillverkad i stålden karaktäristiska lena och glänsande ytan. Den här examensrapporten handlar om ut-vecklandet av en test enhet som effektivt kan testa filter dukarna till ASRA (Acid SludgeRemoval Apparatus) systemet. ASRA systemetär ett filtreringssystem utvecklat av Scanaconi Stockholm som filtrerar och renar syran som används under betningsprocessen vid stål-tillverkning. Idag är det komplicerat, tidskrä-vande och farligt att testa och utvärdera olika filterdukar för att ta reda på vilken duk somger bäst resultat, eftersom att testerna måstegenomföras på de riktiga systemen. Målet fördet här examensarbetet var därför att lösa dehär problemen. Scanacon ville ha en alternativlösning som inte kräver interaktion med deriktiga systemen. De ville också ha en portabeloch säker lösning. För att lösa problemet utvecklades en itera-tiv designprocess kallad RDCD som står för research, design, create & delivery. Processen var tungt influerat av CDIO (Conceive, De-sign, Implement & Operate) processen. Efter att researchfasen var genomförd bestämdesdet att en liten filteranalysatorprodukt var detbästa sättet att lösa problemet på. Produktenutvecklades sedan en komponent i taget. Underprojektets gång har flera prototyper byggts och flera tester genomförts för att validera designen. Resultatet är en liten filtreringsenhet som är specialdesignad för att simulera ASRA syste-met. Produkten kan snabbt testa oliak filterdu-kar på ett enkelt sätt, utan utsätta användaren för fara. Efter att testerna genomförts kananvändaren identifiera vilken duk som funkatbäst. Produkten är tillräckligt liten för att fåplats i en hårdplast väska, vilket ger produktenden efterfrågade portabiliteten.
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Platnick, Brian Scott. "Improving quality on a nonwovens line." Thesis, Virginia Tech, 1991. http://hdl.handle.net/10919/43595.

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Franco, Kleber Serrão. "Filtração de gases a altas pressões." Universidade Federal de São Carlos, 2012. https://repositorio.ufscar.br/handle/ufscar/4106.

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Made available in DSpace on 2016-06-02T19:56:49Z (GMT). No. of bitstreams: 1 4842.pdf: 3843983 bytes, checksum: dba16fdf2f921799ee872793185384b3 (MD5) Previous issue date: 2012-10-31
The filtration of gases is an important industrial operation with the primary aim of removing unwanted solid particles contained in a gas. The filtration of gases at high pressures is an operation widely used in natural gas industry with the aim of separating impurities called black powder, from rust inside pipelines along the transportation. These residues can cause wear on equipment such as, for example, rotor pump, obstruction of gauges and pressure decrease in product quality. Despite being an operation widely used, few studies exist in the area to study what the best type of filter. Therefore this study is very useful to improve the steps of transportation, measurement and purity of the final product. To simulate this process, we used the dry compressed air, injecting a phosphate rock as particulate matter. The filters were tested RAD cellulose and acrylic. The surface speed of filtration was kept constant at 0.05 m / s, throughout the filtering operation. The flow of compressed air used were 14 l / min to the total pressure 1 bar, 42 l / min at a total pressure of 3 bar and 86 l / min at a total pressure of 6 bar. Total load losses were 5, 10, 20 and 30 mbar. The results showed that, initially, the curves of head loss versus deposited mass showed the same growth trend. However, when forming a layer of cake from about 0.03 kg/m2, the filtrations higher pressures had lower pressure loss. This is because the larger pressure forming pies more porous and less resistant to air flow. At the end of the study it was also observed that the acrylic filter performed better compared to the cellulose RAD, due to its greater mass of accumulated dust and low pressure drop.
A filtração de gases é uma importante operação industrial com o principal intuito de remover as partículas sólidas indesejadas contidas em um determinado gás. A filtração de gases a altas pressões é uma operação muito utilizada na indústria de gás natural com o objetivo de separar as impurezas denominadas pó preto, provenientes da oxidação no interior de gasodutos ao longo do seu transporte. Estes resíduos podem causar desgaste de equipamentos como, por exemplo, rotor de bombas, obstrução de aparelhos de medição de pressão e diminuição da qualidade do produto. Apesar de ser uma operação muito utilizada, poucas pesquisas existem na área a fim de estudar qual o melhor tipo de filtro. Por isso este estudo é muito útil no sentido de melhorar as etapas de transporte, medição e pureza do produto final. Para simular este processo, foi utilizado o ar comprimido seco, injetando-se a rocha fosfática como material particulado. Os filtros testados foram de celulose RAD+ e acrílico. A velocidade superficial de filtração foi mantida constante em 0,05 m/s, durante toda a operação de filtração. As vazões do ar comprimido utilizadas foram de 14 l/min para a pressão total de 1 bar, 42 l/min para a pressão total de 3 bar e 86 l/min para a pressão total de 6 bar. As perdas de carga totais foram de 5, 10, 20 e 30 mbar. Os principais resultados mostraram que, inicialmente, as curvas de perda de carga versus massa depositada apresentaram igual tendência de crescimento. Porém, no momento que forma uma camada de torta a partir de aproximadamente 0,03 kg/m2, as filtrações de maiores pressões apresentaram menor perda de carga. Isso porque as maiores pressões formam tortas mais porosas e menos resistentes ao escoamento de ar. Ao final do estudo observou-se também que o filtro de acrílico obteve melhor desempenho comparado com o de celulose RAD+, por apresentar maior massa de pó acumulada e menor perda de carga.
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Veldhuizen, Todd. "Grid Filters for Local Nonlinear Image Restoration." Thesis, University of Waterloo, 1998. http://hdl.handle.net/10012/943.

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A new approach to local nonlinear image restoration is described, based on approximating functions using a regular grid of points in a many-dimensional space. Symmetry reductions and compression of the sparse grid make it feasible to work with twelve-dimensional grids as large as 2212. Unlike polynomials and neural networks whose filtering complexity per pixel is linear in the number of filter co-efficients, grid filters have O(1) complexity per pixel. Grid filters require only a single presentation of the training samples, are numerically stable, leave unusual image features unchanged, and are a superset of order statistic filters. Results are presented for additive noise, blurring, and superresolution.
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Schwarz, Nolan. "Thrombolysis of Blood Clots using Wirelessly Powered Inferior Vena Cava Filters." Thesis, North Dakota State University, 2018. https://hdl.handle.net/10365/28722.

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Venous thromboembolisms (VTE) are estimated to affect up to 900,000 individuals in the U.S. each year. Traditionally, VTE is treated prophylactically with anticoagulants or directly with thrombolytic therapies. Both treatments have significant limitations, side effects, and potentially fatal adverse effects. Inferior vena cava filters are another treatment for VTE but are less common because of risks like clot accumulation and occlusion. Modifying the standard filters to wirelessly powered thrombolytic filters combines the positive attributes of anticoagulants and thrombolytics without the associated adverse effects. Computer simulations and in vitro experiments were conducted to assess the feasibility and effectiveness of a wirelessly powered filter. The filters are designed to capture and then heat blood clots. At 55?C the D fragment domains of fibrin denature causing the entire structure to break apart. This allows the filter to prevent formation of new clots as well as dissolve captured clots, preventing accumulation.
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Tong, Guo Lun, and 童國倫. "Flow of fluid through basic weaves of monofilament filter cloth." Thesis, 1994. http://ndltd.ncl.edu.tw/handle/81714724258865795651.

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Chen, Chin-Te, and 陳金德. "Study on the Applicability ofPolytetrafluoroethylene Filter Cloth for Disposing Organic Waste." Thesis, 2006. http://ndltd.ncl.edu.tw/handle/44062658447841346509.

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碩士
中原大學
化學研究所
94
“To design a simulating machine for disposing biologic waste” and “to design certain material for covering biologic waste” are the two main tasks of the experiment. After finding out the two optimal designs by a series of analysis and test, the two designs are combined to be used for conducting a simulating experiment for biologic waste composting. The results of the experiment are adopted to discuss the optimal design of the machine for biologic waste composting. The basic frame of this study is mentioned as above. “To design a simulating machine for disposing biologic waste” is based on the principles of aerobic fermention and airflow. “To design certain material for covering biologic waste” can be divided into two parts for discussion. The first part is that its material are combined with PTFE(Polytetrafluoroethylene) film and polyester plain weave cloth; the second part is that because the polyester pain weave cloth can’t resist acid or alkali, all or portion of said cloth is changed into the filter cloth weaved with PTFE weaving yarn. After a series test, choose an optimal filter cloth to combine with porous PTFE. In the simulating experiment for biologic waste composting, fruit peel is adopted as fermentation material and maintain its weight about 2.5 kilograms. The material obtained from said first part is used in the blank test under an environment without airflow. After 72 hours, the temperature and oxygen concentration become decrease, the humidity increasing, and the reaction slower. The experiment results show that to keep airflow well is helpful for stimulating fermentation. Another experiment is conducted with speed of airflow fixed at 0.5 cm/sec to compare these two types of material obtained from said two parts. The results show that the material obtained from said second part is an optimal one for covering biologic waste. After a series of experiments for discussing the optimal design of the machine for biologic waste composting, there are two points needed to improve, which are: (1) the airflow device changes from wind blow to wind suction or enhances its wind power; (2) the machine can make the fermentation of biologic waste uniform to increase the rate of fermentation by adding an agitator inside or change the external form of machine.
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Chen, Yu-Lung, and 陳裕龍. "The effect of the structure of filter cloth on medium resistance." Thesis, 1993. http://ndltd.ncl.edu.tw/handle/77137041431100524818.

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Wu, Zi Yang, and 吳子揚. "Effect of woven structure of filter cloth on flow dependent fouling phenomena." Thesis, 1995. http://ndltd.ncl.edu.tw/handle/38351124711986499993.

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Books on the topic "Filter cloth"

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United States. National Park Service, ed. Filter fabric: A technique for short-term site stabilization. Washington, D.C.]: U.S. Dept. of the Interior, National Park Service, 1989.

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Thorne, Robert M. Filter fabric: A technique for short-term site stabilization. [Washington, D.C.]: U.S. Dept. of the Interior, National Park Service, 1989.

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McKenna, J. D. Fabric filter-- baghouses I: Theory, design, and selection : (a reference text). Roanoke, Va: ETS, 1989.

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Geo-Congress 98 (1998 Boston, Mass.). Filtration and drainage in geotechnical/geoenvironmental engineering: Proceedings of sessions of Geo-Congress 98. Reston, Va: American Society of Civil Engineers, 1998.

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N, Reddi Lakshmi, Bonala Mohan V. S, and Geo-Congress (1998 : Boston, Mass.), eds. Filtration and drainage: In geotechnical/geoenvironmental engineering : proceedings of sessions of Geo-Congress 98, October 18-21, 1998, Boston, Massachusetts. Reston, Va: American Society of Civil Engineers, 1998.

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Davidson, Willa. 13 Homemade Face Masks : The Complete Protection Face Mask Kit from Viruses and Infections . DIY: Disposable and Reusable Cloth Masks with Filter Pocket. Independently Published, 2020.

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Moss, Charles Charles. Adult Masks: Safe+Mate X Case-Mate - Cloth Face Mask - Washable and Reusable - Adult l/XL - Cotton - with Filter - 3 Pack - Black/Navy/Gray. Independently Published, 2020.

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Soliss, Caroline. DIY Homemade Face Mask: How to make Reusable and Washable Cloth Face Mask with Filter Pocket and Medical Protective Masks in 8 minutes at home. Tommi Capital Ltd, 2020.

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Sculpting the Blender Way: Explore Blender's 3D Sculpting Workflows and Latest Features, Including Face Sets, Mesh Filters, and the Cloth Brush. de Gruyter GmbH, Walter, 2022.

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Alcott, Louisa May, Louise Rennison, and Matt Jones. Little Women: HB Puffin Cloth Classic. Penguin Books, Limited, 2017.

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Book chapters on the topic "Filter cloth"

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Gooch, Jan W. "Filter Cloth." In Encyclopedic Dictionary of Polymers, 304. New York, NY: Springer New York, 2011. http://dx.doi.org/10.1007/978-1-4419-6247-8_4939.

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Naumov, E. K., D. M. Strelkova, and O. A. Nasibullina. "Modernization of the Irrigation System of the Filter Cloth of the Vacuum Drum Filter." In Lecture Notes in Mechanical Engineering, 739–45. Cham: Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-85230-6_87.

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Rushton, A. "Filter Media: Woven amp; Non-Woven Cloths for Liquids." In Mathematical Models and Design Methods in Solid-Liquid Separation, 333–55. Dordrecht: Springer Netherlands, 1985. http://dx.doi.org/10.1007/978-94-009-5091-7_14.

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Thai, Anne, and Joseph Leung. "A 46-Year-Old Female With Cirrhosis Came in With Severe Upper GI Bleeding. Her Proximal Stomach Is Filled With Large Clots and Gastric Varices Are Suspected. How Can I Tell for Certain Endoscopically, and What Is the Treatment?" In Curbside Consultation in Endoscopy, 7–11. 2nd ed. Boca Raton: CRC Press, 2024. http://dx.doi.org/10.1201/9781003523505-3.

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"Filter cloth." In Encyclopedic Dictionary of Polymers, 406. New York, NY: Springer New York, 2007. http://dx.doi.org/10.1007/978-0-387-30160-0_4856.

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Sparks, Trevor. "Filter Cloth." In Solid-Liquid Filtration, 131–46. Elsevier, 2012. http://dx.doi.org/10.1016/b978-0-08-097114-8.00009-5.

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"filter cloth." In The Fairchild Books Dictionary of Textiles. Fairchild Books, 2021. http://dx.doi.org/10.5040/9781501365072.6195.

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"filter cloth [n]." In Encyclopedic Dictionary of Landscape and Urban Planning, 337. Berlin, Heidelberg: Springer Berlin Heidelberg, 2010. http://dx.doi.org/10.1007/978-3-540-76435-9_4656.

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"packing cloth filter." In Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik, 959. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_160031.

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"wire cloth filter well." In Dictionary Geotechnical Engineering/Wörterbuch GeoTechnik, 1533. Berlin, Heidelberg: Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-41714-6_231771.

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Conference papers on the topic "Filter cloth"

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Johnson, Alyssa, Allison LeBleu, and Ning Zhang. "Simulation for Optimization of a Filter Cake System." In ASME 2022 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2022. http://dx.doi.org/10.1115/imece2022-95717.

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Abstract The purpose of this project is to create a computational fluid dynamics (CFD) simulation of the cake filtration process for Agrilectric Research. Cake filtration is the process by which solid particulate is filtered out of a mixture of fluid and solid phases. As the mixture flows through the system, the particulate accumulates on a filter cloth to form a filter cake, which acts as an added filtering medium to the system. The results obtained from this project can be used to aid Agrilectric in the development of their experimental testing methods by providing the ability to measure and predict filtration properties and to experiment with different filter cake designs to improve filtration methods and performance, without reliance on empirical data. The work was completed using the Workbench platform with the Fluent solver from the Ansys Student software bundle. A 20 cm long, 10 cm diameter filter cell was modeled and meshed through Workbench and was imported into Fluent to conduct the simulation. The flow of a mixture of water and a particulate phase of rice hull ash (RHA) was simulated using the Eulerian multiphase model. This would show the movement of the RHA through the system and the accumulation of the particulate on a filter cloth over time. The filter cloth was modeled using a porous cell zone to mimic filtering properties. The simulated solution shows RHA flowing into the system and initially passing through the filter cloth. After some time, a packed layer of particulate forms across the width of the filter cloth that allows a filter cake to accumulate in the system. The results from the multiphase simulation prove that with more research and simulation development, the model can be improved to represent a realistic cake filtration system which can be used to supplement or to replace existing laboratory testing.
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Ogata, N., S. Fukuma, H. Nishikado, A. Shirosaki, S. Takagi, and T. Sakurai. "PDP-mesh Cloth Inspection Using DFT and Waffled Gabor Filter." In EUROCON 2005 - The International Conference on "Computer as a Tool". IEEE, 2005. http://dx.doi.org/10.1109/eurcon.2005.1630269.

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Rahayu, Sri, Siska Aprilia Kaulika, Miladya Syamsu, Aulia Rifah Tsabitah, Novita Rahma Mujayani, Muhammad Fadillah, Novita Sari, Naufal Ma'arif, Iwan Sugiharto, and Valendio Febriano. "Effectiveness of cloth mask with sugarcane bagasse activated carbon filter." In PROCEEDINGS OF THE 2ND INTERNATIONAL INTERDISCIPLINARY SCIENTIFIC CONFERENCE “DIGITALIZATION AND SUSTAINABILITY FOR DEVELOPMENT MANAGEMENT: ECONOMIC, SOCIAL, AND ENVIRONMENTAL ASPECTS”. AIP Publishing, 2024. http://dx.doi.org/10.1063/5.0185126.

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Ogata, N., S. Fukuma, H. Nishikado, A. Shirosaki, S. Takagi, and T. Sakurai. "An accurate inspection of PDP-mesh cloth using Gabor filter." In 2005 International Symposium on Intelligent Signal Processing and Communication Systems. IEEE, 2005. http://dx.doi.org/10.1109/ispacs.2005.1595347.

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Liu, Guangchi, FuWei Wang, and HanShuo Hui. "Application of Mask R-CNN in defect detection of industrial filter cloth." In 2022 Global Conference on Robotics, Artificial Intelligence and Information Technology (GCRAIT). IEEE, 2022. http://dx.doi.org/10.1109/gcrait55928.2022.00171.

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SUBRENAT, A., P. LE CLOIREC, and P. E. BLANC. "REMOVAL OF VOC BY ADSORPTION-DESORPTION CYCLES USING ACTIVATED CARBON CLOTH FILTER: REGENERATION BY JOULE EFFECT." In Proceedings of the Second Pacific Basin Conference. WORLD SCIENTIFIC, 2000. http://dx.doi.org/10.1142/9789812793331_0072.

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Uusvaara, Juho, and Jyrki Rovamo. "Resolution of blue cones as a function of eccentricity In man." In OSA Annual Meeting. Washington, D.C.: Optica Publishing Group, 1988. http://dx.doi.org/10.1364/oam.1988.mr35.

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In the central retina grating resolution is proportional to cone density, whereas in the peripheral retina resolution is proportional to the sampling density of ganglion cells.1 For red and green cones, density is maximal at 0 deg of eccentricity but for blue cones at 1 deg of eccentricity.2 When the red and green cones are strongly light-adapted by bright long-wavelength light, the perception of dim short-wavelength stimuli remains mediated by blue cones only. Sine wave gratings with 90% contrast were generated on a white (P4) CRT screen. The screen was covered with a blue filter (Lee 141, transmitting wavelengths shorter than 575 nm) and metal cloth (open surface 25%) woven of thin (0.0025-mm) steel wires. The light from two slide projectors was projected through yellow filters (Wratten 16, transmitting wavelengths longer than 555 nm) onto the metal cloth. The average luminance of the blue grating field was 2.3 phot. cd/m2, and the average luminance of the yellow adapting field was 750 phot, cd/m2 corresponding to 610 scot. cd/m2. Blue-cone resolution was found to have its maximum of 5 cycles/deg at 1 deg of eccentricity. At eccentricities of 1-20 deg, blue-cone acuity was directly proportional (1:5) to the acuity measured without the yellow adapting field.
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Liu, Chao, Zhiqiang Liu, Qingqing Li, and Xiaomei Zhang. "Pilot Study on A/O Industrial Filter Cloth Self-forming Dynamic Membrane Reactor for Domestic Sewage Treatment." In 2010 International Conference on Challenges in Environmental Science and Computer Engineering. IEEE, 2010. http://dx.doi.org/10.1109/cesce.2010.213.

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Tran, Thien Khanh, Hoai Nam Tran, Thuy Linh Nguyen, and Hoang Jyn Leu. "Electroplating of polyaniline on carbon fiber cloth in a simple two electrode system: Application for the electrochemical filter in wastewater treatment." In PROCEEDINGS OF THE 2ND INTERNATIONAL CONFERENCE ON APPLIED SCIENCES (ICAS-2). Author(s), 2018. http://dx.doi.org/10.1063/1.5033379.

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Ladwig, Jeff, and Robin Linton. "Pulse-Jet Baghouse Optimization in WTE: Meeting the Challenges of the Future." In 13th Annual North American Waste-to-Energy Conference. ASMEDC, 2005. http://dx.doi.org/10.1115/nawtec13-3165.

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Like many coal-fired power plants today, the waste-to-energy (WTE) industry is faced with a number of challenges including the need to maximize plant output, lower outlet emissions and increase plant efficiencies. Within WTE, there’s also been a move from reverse-air baghouses to pulse-jet collectors due to lower initial capital costs and the ability to operate pulse-jet collectors at higher air-to-cloth ratios (3–4:1), allowing for a smaller housing footprint. However, the majority of today’s pulse-jet collectors utilize an off-line cleaning mode where modules are taken out of service and pulsed to lower the differential pressure. There are inherent advantages in switching from an off-line cleaning mode to an on-line cleaning mode. This paper discusses the idea of using the fabric filter as a damper and stabilizing draft through the baghouse and boiler. It also outlines the use of pleated filter element (PFE) technology to address increased production concerns, and the need for lower outlet emissions.
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Reports on the topic "Filter cloth"

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Castillo Saldarriaga, Carlos, and Martha Gómez Álvarez. Selection of filtering agent and filter cloth to separate cells of probiotic yeast using a monophasic filter system. Corporación colombiana de investigación agropecuaria - AGROSAVIA, 2018. http://dx.doi.org/10.21930/agrosavia.poster.2018.4.

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The efficiency of separation operations is a critical point to determinate the yield and economic viability of a production process. Because of this, the selection of adequate operation parameters has become an important part in the design of a new bioprocess. [1, 2]. Due to its low cost and easily transformation to industrial scale, the cross-flow filtration had been highly studied in terms of process performances of microorganism biomass separation without being concerned about their viability. In this work, two parameters of cross-flow filtration were evaluated to separate yeast cells from fermented broth. Meyerozyma guilliermondii was the reference biology system used in the experiments [3]. First, an evaluation of the compatibility of two filtering agents over yeast cells was conducted. After the filtering agent was selected, the efficiency of separation was determined over different filter cloth on a monophasic filter system.
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Weber, G. F., S. R. Ness, D. L. Laudal, and G. Dunham. Catalytic fabric filtration for simultaneous NO sub x and particulate control. [Catalyst mounted on glass cloth filter material]. Office of Scientific and Technical Information (OSTI), August 1992. http://dx.doi.org/10.2172/7058550.

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A temporary clot-catching filter inserted after major trauma does not prevent lung clots. National Institute for Health Research, September 2019. http://dx.doi.org/10.3310/signal-000816.

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