Investigation of the pyrolysis behaviour of hybrid filter media for needle-punched nonwoven bag filters

Nie, Xueli; Huang, Shen; Wang, Yinghui; Zhou, Liuke; Liu, Xingcheng; Fang, Min

doi:10.1016/j.applthermaleng.2016.11.045

Cited by 8 publications

(3 citation statements)

References 12 publications

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Section: Introductionmentioning

confidence: 99%

“…The bag area is an important part of the electrostatic-fabric integrated precipitator, and the filter bag is the core component of the bag area [21]. The filtering performance of the filter bag directly affects the dust removal efficiency and running resistance of the dust collector [21][22][23]. At present, the commonly used basic filter materials are polyphenylene sulfide (PPS), polyimide (PI), polytetrafluoroethylene (PTFE), and so on [23][24][25][26][27][28].…”

Section: Introductionmentioning

confidence: 99%

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Experimental Research on Dynamic Filtering Characteristics of Filter Materials for Electrostatic-Fabric Integrated Precipitator

et al. 2022

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In recent years, the electrostatic-fabric integrated precipitator has been widely used, and the dust filtration performance of the core component filter bag is the most important factor affecting its dust removal efficiency. In this work, the dynamic dust removal performance of different types of filter media and different experimental conditions were studied on the filter media filtration performance test platform. The experimental study of the filtration performance of different types of filter media showed that the filtration performance stability of polyphenylene sulfide (PPS) filter media was better than that of polyimide (PI) and polytetrafluoroethylene (PTFE) filter media. Increasing the mass per unit area of the filter media had obvious advantages in the short term, and the impregnation process was beneficial to the filter performance of the filter media. Membrane-coated filter media had the best filtration performance, gradient filter media filtration performance was the second, followed by conventional filter media, ordinary blended, and ultrafine blended filter media. Studies with different experimental conditions found that the filtration efficiency increased with increasing resistance, was not significantly affected by changes in inlet dust concentration, but decreased with the increasing filtering velocity. This experimental results provided an important basis for the selection of filter bags for the electrostatic-fabric integrated precipitator project.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Experimental Research on Dynamic Filtering Characteristics of Filter Materials for Electrostatic-Fabric Integrated Precipitator

et al. 2022

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“…Rada et al [5] and Pan et al [6] proposed a new recycling method that fulfilled the requirements of an eco-innovative technology controlling air pollution. Due to concerns that pollutants are captured by the individual parts of an air-pollution control system, there have been several studies [7][8][9][10][11][12][13][14][15][16][17][18][19][20]. Only the studies conducted by Sobanska et al [19] and Spear et al [20] investigated the fly ash and dust emitted by primary 2 of 11 lead smelters.…”

Section: Introductionmentioning

confidence: 99%

Efficiency of the Air-Pollution Control System of a Lead-Acid-Battery Recycling Industry

et al. 2018

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The air-pollution control system of a lead-acid-battery recycling industry was studied. The system comprised two streams with gravity settlers followed by filter bags for the factory indoor air and the metal-recycling furnace, respectively. Efficiency in particle removal according to mass was found to be 99.91%. Moreover, filter bags and dust from the gravity settlers were analyzed for heavy metals by Wavelength Dispersive X-Ray Fluorescence. The results showed high concentrations of Pb and Na in all cases. In the filter bag samples from the indoor atmosphere stream, Ca, Cu, Fe, and Al were found in concentrations higher than that in the filter bag samples from the furnace stream. The opposite was found for Na. Tl and K were only found in furnace stream bag filters. The elemental concentration of the dust from the furnace fumes stream contained mainly Fe, Na, Cd, Pb, Sb, and Cl, while the indoor main stream contained mainly P, Fe, Na, Pb, and Sb. In all cases, impurities of Nd, Ni, Rb, Sr, Th, Hg, and Bi were found. The high efficiency of the air-pollution control system in particle removal shows that a considerable reduction in emissions was achieved.

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State Feedback Control Promotes Transition Efficiency of Bag Filters

Li,

Cong

et al. 2024

Int. J. Control Autom. Syst.

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Investigation of the pyrolysis behaviour of hybrid filter media for needle-punched nonwoven bag filters

Cited by 8 publications

References 12 publications

Experimental Research on Dynamic Filtering Characteristics of Filter Materials for Electrostatic-Fabric Integrated Precipitator

Experimental Research on Dynamic Filtering Characteristics of Filter Materials for Electrostatic-Fabric Integrated Precipitator

Efficiency of the Air-Pollution Control System of a Lead-Acid-Battery Recycling Industry

State Feedback Control Promotes Transition Efficiency of Bag Filters

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