Research Article
Scenario Analysis of Water-Saving Potential in Yeast Manufacturing Industry under the Guidance of Water Intake Quota
Table 4
Water use calculation of the yeast manufacturing industry in the bottom-line scenario, 2019–2024.
| | Year | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
| | Yeast | Output (×103 m3) | 394 | 402 | 420 | 438 | 457 | 474 | | Water efficiency distribution (%) | <65 m3/t | 10 | 12 | 14 | 16 | 18 | 20 | | 65-70 m3/t | 20 | 28 | 36 | 44 | 52 | 60 | | 70-85 m3/t | 70 | 60 | 50 | 40 | 30 | 20 | | Water use (×106 m3) | 29.06 | 29.19 | 30.01 | 30.79 | 31.60 | 32.23 | | Yeast derivatives | Output (×103 m3) | 169 | 172 | 180 | 188 | 196 | 203 | | Water efficiency distribution (%) | <90 m3/t | 10 | 12 | 14 | 16 | 18 | 20 | | 90-100 m3/t | 20 | 28 | 36 | 44 | 52 | 60 | | 100-115 m3/t | 70 | 60 | 50 | 40 | 30 | 20 | | Water intake (×106 m3) | 17.37 | 17.42 | 17.97 | 18.50 | 19.00 | 19.39 | | Total water intake (×106 m3) | 46.42 | 46.61 | 47.98 | 49.29 | 50.60 | 51.62 | | Annual water savings (×106 m3) | 3.25 | 3.51 | 3.87 | 4.24 | 4.65 | 5.04 | | Total water savings (×106 m3) | 3.25 | 6.76 | 10.63 | 14.87 | 19.52 | 24.56 | | Water efficiency increased (%) | 6.5 | 7.0 | 7.5 | 7.9 | 8.4 | 8.9 |
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