Table 1
Compositions of the butane–butylene fraction, circulating isobutane and isobutane coolant.
| Component concentration, wt.% | Days |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | |
| Composition of butane–butylene fraction | ||||||||||
| Butadiene-1,3 | 0.30 | 0.27 | 0.26 | 0.26 | 0.20 | 0.25 | 0.25 | 0.25 | 0.25 | 0.26 |
| Butylene | 15.81 | 15.87 | 15.72 | 15.66 | 15.60 | 15.55 | 15.49 | 15.38 | 15.14 | 15.57 |
| Isobutane | 43.57 | 44.76 | 45.07 | 44.84 | 45.12 | 44.99 | 46.31 | 48.71 | 43.39 | 43.97 |
| Iso-butylene | 5.78 | 5.12 | 5.31 | 5.15 | 5.13 | 4.97 | 3.68 | 7.11 | 8.09 | 6.34 |
| n-Butane | 8.46 | 8.32 | 8.21 | 8.35 | 8.29 | 8.32 | 8.42 | 7.36 | 8.15 | 8.34 |
| Trans-butylene | 16.13 | 15.96 | 15.82 | 15.95 | 15.88 | 15.99 | 15.98 | 13.53 | 15.42 | 15.84 |
| Cis-butylene | 9.96 | 9.70 | 9.61 | 9.80 | 9.77 | 9.94 | 9.87 | 7.65 | 9.55 | 9.67 |
| Composition of circulating isobutane | ||||||||||
| Isobutane | 84.66 | 86.47 | 87.17 | 86.96 | 85.43 | 86.60 | 87.80 | 86.48 | 85.63 | 84.20 |
| n-Butane | 12.11 | 10.46 | 9.89 | 9.91 | 10.99 | 10.31 | 9.30 | 9.88 | 10.74 | 11.53 |
| Propane | 2.92 | 2.85 | 2.72 | 2.90 | 3.38 | 2.93 | 2.77 | 3.34 | 3.28 | 3.72 |
| ∑C5 | 0.31 | 0.22 | 0.22 | 0.23 | 0.20 | 0.16 | 0.13 | 0.30 | 0.35 | 0.55 |
| Composition of isobutane-coolant | ||||||||||
| Isobutane | 79.04 | 82.33 | 82.28 | 79.99 | 82.45 | 80.85 | 82.25 | 80.93 | 79.82 | 80.61 |
| n-Butane | 11.01 | 9.73 | 9.56 | 10.21 | 9.54 | 10.13 | 9.35 | 9.18 | 9.92 | 10.08 |
| Propane | 8.40 | 7.25 | 7.47 | 8.41 | 7.43 | 8.35 | 7.89 | 8.51 | 9.34 | 8.50 |
| ∑C5 | 1.55 | 0.69 | 0.69 | 0.75 | 0.58 | 0.67 | 0.51 | 0.73 | 0.92 | 0.81 |
| ∑C6+ | 0.00 | 0.00 | 0.00 | 0.64 | 0.00 | 0.00 | 0.00 | 0.65 | 0.00 | 0.00 |