| 1 |
ข้อความ |
What is the primary role of transition metal ion catalysts in the catalytic ozonation process for nanoplastic removal? |
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| 2 |
ข้อความ |
According to the article, what was the observed effect of using Co2+ at 1 mM on the mineralization rate of polystyrene nanoplastics during ozonation? |
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| 3 |
ข้อความ |
In the context of nanoplastics removal, what does the scavenger experiment with methanol demonstrate about the catalytic ozonation process? |
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| 4 |
ข้อความ |
If the initial concentration of nanoplastics is 20 mg/L and the catalytic ozonation achieves a 70% mineralization rate, what is the concentration of remaining nanoplastics? |
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| 5 |
ข้อความ |
Given an ozone flow rate of 0.5 NL/min and an ozonation time of 120 minutes, how much ozone (in grams) has been used if the ozone concentration is 10 mg/NL? |
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| 6 |
ข้อความ |
If reducing the turbidity of water by catalytic ozonation with Co2+ from 100 NTU to 35 NTU represents a 65% reduction, what was the original turbidity? |
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| 7 |
ข้อความ |
What is a major benefit of catalytic ozonation over single ozonation in water treatment? |
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| 8 |
ข้อความ |
Which of the following is NOT a transition metal ion used as a catalyst in the study? |
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| 9 |
ข้อความ |
What environmental issue does the removal of nanoplastics address? |
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| 10 |
ข้อความ |
What analytical technique is NOT mentioned as used for monitoring the degradation of nanoplastics? |
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| 11 |
ข้อความ |
What effect does the melt fiber spinning system have on the crystallinity of PET fibers? |
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| 12 |
ข้อความ |
What role does the spooling speed play in the fiber spinning system described in the article? |
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| 13 |
ข้อความ |
According to the article, what was the impact of using the LCC-ICCG enzyme on PET depolymerization? |
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| 14 |
ข้อความ |
If the initial mass of PET before enzymatic treatment in a bioreactor was 500 grams and 96.9% mass was lost due to depolymerization, what is the final mass of PET? |
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| 15 |
ข้อความ |
Considering the average crystallinity of PET fibers after treatment is 9.7%, what would be the crystallinity if the process conditions were unaltered but the drop distance doubled? |
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| 16 |
ข้อความ |
If the surface area to volume ratio of PET increased 15-fold due to processing, and the initial ratio was 0.1 mm²/mm³, what is the new ratio? |
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| 17 |
ข้อความ |
What is a major advantage of the melt fiber spinning system over traditional recycling methods? |
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| 18 |
ข้อความ |
What does the term 'amorphous content' refer to in the context of PET recycling? |
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| 19 |
ข้อความ |
What is the primary benefit of reducing the crystallinity of PET in recycling processes? |
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| 20 |
ข้อความ |
Which measurement technique was used to assess the polymer spectra to confirm the presence of PET? |
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