Preparation of Filtration Sorptive Materials from Nanofibers, Bicofibers, and Textile Adsorbents without Binders Employment
Abstract
:1. Introduction
2. Materials and Methods
3. Results
Principle of Measurement
4. Discussion
5. Conclusions
Author Contributions
Funding
Conflicts of Interest
References
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Article No. | Weight | Thickness | Specific Surface Area | Typical Size/Roll | |
---|---|---|---|---|---|
Width | Length | ||||
(g/m2) | (mm) | (m2/g) | (cm) | (m) | |
ACC5092-10 | 200 | 0.65 | >800 | 115 | 35 |
ACC5092-15 | 170 | 0.60 | >1300 | 110 | 35 |
ACC5092-20 | 135 | 0.55 | >1800 | 105 | 35 |
Testing Samples NANO for Water Filtration | ||
---|---|---|
Sample No. | Sample Specification Materials, Time, and Pressing Temperature | Results |
VI | Nonwoven textile (NT) BICO Vigona (VIG) + NANO PVDF 140 °C, 30 s | Best |
I | NT STRUTO (Jilana) JIL + NANO PA6 + NT STRUTO JIL 140 °C, 30 s | Good |
IV | NANO PVDF + adsprption carbon textile (ACT) KYNOL + NT BICO VIG 140 °C, 30 s | Good |
IX | NT BICO VIG + NANO PVDF + NT BICO VIG 140 °C, 30 s, lesser pressure | Good |
X | Adsorption textile (AT) of the Filtration protective suit (hereinafter “FOP”) + NT BICO VIG + NANO PVDF 140 °C, 30 s | Best |
Vll | AT FOP + NANO PVDF + AT FOP 140 °C 30 s | Good |
V | AT FOP + NANO PVDF 140 °C, 30 s, lesser pressure | Bad |
Effectivity of Paraffin Oil Aerosol Capture 0.4 μm at a Flow Rate of 30 L/min | |||||
Sample | Permeation coefficient KP (%) | Average | |||
1 | 99.38 | 99.56 | 100.00 | 99.74 | 99.78 |
2 | 99.08 | 99.04 | 99.55 | 99.00 | 99.30 |
3 | 80.34 | 80.34 | 92.02 | 88.53 | 86.96 |
Permeability at a Pressure of 140 Pa with an Area of 150 cm2 | |||||
Sample | Flow (L/min) | ||||
1 | 99.30 | 93.60 | 84.30 | 95.90 | 93.28 |
2 | 202.00 | 205.00 | 244.00 | 206.00 | 214.28 |
3 | 450.00 | 479.00 | 478.00 | 468.25 | |
Pressure Loss at Flow Rate of 200 L/min through the Material Surface 150 cm2 | |||||
Sample | Pa | ||||
1 | 82.1 | 87.3 | 91.5 | 85.2 | 86.5 |
2 | 133.5 | 154.7 | 137.6 | 141.1 | 141.7 |
3 | 211.2 | 217.6 | 205.7 | 223.5 | 214.5 |
Measured Part: Respirator | Number of Particles Surroundings | Number of Particles in Respirator | Fit Factor (Fc) | Uncertainty (extensive) 0.2·Fc |
---|---|---|---|---|
DEZA 3/1 + NT BICO FIB + nano PA6 | 33,571 | 348 | 97 | 19.4 |
DEZA 3/2 + NT BICO FIB + nano PA-6 | 37,214 | 747 | 50 | 10 |
DEZA 3/3 + NT BICO FIB + nano PA-6 | 37,143 | 706 | 48 | 9.6 |
DEZA 3/4 + NT BICO FIB + nano PA-6 | 31,900 | 550 | 57 | 11.4 |
DEZA 3/5 + NT BICO FIB+ nano PA-6 | 34,714 | 684 | 51 | 10.2 |
NANOVIA 1 + NT BICO FIB + NVA nano | 35,100 | 1587 | 21 | 4.2 |
NANOVIA 2 + NT BICO FIB + NVA nano | 35,429 | 2344 | 14 | 2.8 |
NANOVIA 3 + NT BICO FIB + NVA nano | 36,800 | 1650 | 21 | 4.2 |
DEZA 3/1 + AT FOP − outer site | 50,829 | 1176 | 42 | 8.4 |
DEZA 3/2 + AT FOP − outer site | 53,343 | 786 | 67 | 13.4 |
NT BICO FIB + AT FOP − outer site | 55,400 | 2596 | 20 | 4 |
NT BICO FIB + AT FOP − outer site | 51,343 | 3344 | 14 | 2.8 |
RESPIMASK − 12 | 42,914 | 1089 | 6.3 | 1.3 |
DEZA 3/1 + AUT | 37,386 | 547 | 67 | 13.4 |
Chemical Compounds | Heptane I | Heptane II | Ethanol I | Cyclohexanone | Acetone | Ethanol II | Heptane III |
---|---|---|---|---|---|---|---|
Input Concentration (ppm) | 1350 | 380 | 530 | 780 | 255 | 206.5 | 300 |
Output Measured Concentration (mg/m3) | 10 | 3 | 28 | 3 | 13 | 10 | 54 |
Conversion to a Given Substance | 1.2 | 1.2 | 2.41 | 1.36 | 1.61 | 2.41 | 1.2 |
Time until Breakthrough (min) | 7 | 24 | 21 | 80 | 53 | 66 | 10 |
Flow-input (L/min) | 2 | 1.6 | 4 | 1.4 | 3.5 | 3.4 | 3.2 |
Convert to mg/m3 | 2168.6 | 610.4 | 851.4 | 1253.0 | 409.6 | 331.7 | 481.9 |
Flow-input (L/min) | 0.6 | 0.43 | 0.6 | 0.54 | 0.55 | 0.6 | 0.56 |
Desorption within Concentration (mg/m3) | 6826 | 2293 | 4556 | 3071 | 3348 | 2758 | 1870 |
Efficiency | 9.5 | 99.5 | 96.7 | 99.8 | 96.8 | 97.0 | 88.8 |
Time until Breakthrough | 7.0 | 24.0 | 21.0 | 80.0 | 53.0 | 66.0 | 10.0 |
Force amounts | 14.0 | 38.4 | 84.0 | 112.0 | 185.5 | 224.4 | 32.0 |
Amount of sorbed Substance | 36.4 | 28.1 | 172.4 | 190.9 | 122.3 | 179.4 | 18.5 |
Conversion to 1 g of Sorbent | 8.7 | 6.7 | 41.0 | 45.4 | 29.1 | 42.7 | 4.4 |
Degree of Concentration | 3.1 | 3.8 | 5.4 | 2.5 | 8.2 | 8.3 | 3.9 |
Flow rate | 3.3 | 3.7 | 6.7 | 2.6 | 6.4 | 5.7 | 5.7 |
Grade | |
---|---|
0 | No growth apparent under a nominal magnification of 50×. |
1 | Traces of growth plainly visible under the microscope. |
2a | Sparse growth visible to the naked eye and/or under the microscope scattered only or localized to a few places covering all together not more than 5% of the test surface. |
2b | Growth plainly visible to the naked eye and/or under the microscope, distributed more or less homogenously on many places covering all together not more than 25% of the test surface. |
3 | Growth plainly visible to the naked eye and covering more than 25% of the test surface. |
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Otrisal, P.; Obsel, V.; Buk, J.; Svorc, L. Preparation of Filtration Sorptive Materials from Nanofibers, Bicofibers, and Textile Adsorbents without Binders Employment. Nanomaterials 2018, 8, 564. https://doi.org/10.3390/nano8080564
Otrisal P, Obsel V, Buk J, Svorc L. Preparation of Filtration Sorptive Materials from Nanofibers, Bicofibers, and Textile Adsorbents without Binders Employment. Nanomaterials. 2018; 8(8):564. https://doi.org/10.3390/nano8080564
Chicago/Turabian StyleOtrisal, Pavel, Vladimir Obsel, Jan Buk, and Lubomír Svorc. 2018. "Preparation of Filtration Sorptive Materials from Nanofibers, Bicofibers, and Textile Adsorbents without Binders Employment" Nanomaterials 8, no. 8: 564. https://doi.org/10.3390/nano8080564