In the PPP project of rural sewage treatment, data mining technology is used to analyze the relationship of benefit and cost
Mar 19, 2025
About this article
Published Online: Mar 19, 2025
Received: Nov 10, 2024
Accepted: Feb 17, 2025
DOI: https://doi.org/10.2478/amns-2025-0446
Keywords
© 2025 Xiaochi Yang, published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.
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The cost of sewage treatment
| Sequence | Item name | Unit | Xuancheng | Huainan |
|---|---|---|---|---|
| T1 | Fixed asset depreciation cost | Ten thousand yuan | 2067 | 1978 |
| T2 | Depreciation of buildings | Ten thousand yuan | 554 | 793 |
| T3 | Equipment and installation depreciation | Ten thousand yuan | 1523 | 1185 |
| T4 | Power cost | Ten thousand yuan | 990 | 786 |
| T5 | Pharmacy cost | Ten thousand yuan | 2535 | 803 |
| T6 | Wages and welfare costs | Ten thousand yuan | 615 | 248 |
| T7 | Maintenance cost | Ten thousand yuan | 780 | 660 |
| T8 | Financial cost | Ten thousand yuan | 31 | 373 |
| T9 | Other expenses | Ten thousand yuan | 857 | 410 |
| T10 | Annual assembly | Ten thousand yuan | 7875 | 5258 |
| T11 | Operating cost | Ten thousand yuan | 5777 | 2907 |
Benefits of sewage treatment
| Item name | Unit | Xuancheng | Huainan |
|---|---|---|---|
| Fixed cost | Ten thousand yuan/year | 2307 | 3688 |
| Unit variable cost | Yuan/ton | 1.948 | 0.761 |
| Sales income price | Yuan/ton | 3 | 3 |
| Sewage treatment | Million tons/year | 2380 | 1616 |
| Actual sewage treatment | Million tons/year | 2695 | 2195 |
| Sewage treatment revenue | Ten thousand yuan/year | 8085 | 6585 |
| Sewage treatment cost | Ten thousand yuan/year | 7557 | 5358 |
| Sales gross profit | Ten thousand yuan/year | 528 | 1227 |
| Gross margin | Ten thousand yuan/year | 6.53% | 18.63% |