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Research on mathematical quantitative model of the incremental cost and income of green small towns based on the whole life cycle

Ran Zou
Ran Zou
, 
Shanshan Wang
Shanshan Wang
, 
Yu Zhang
Yu Zhang
, 
Mingshan Yin
Mingshan Yin
, 
Ahmed Arbab
Ahmed Arbab
 y 
Gongwen Xu
Gongwen Xu
   | 16 ago 2022
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Publicado en línea: 16 ago 2022
Páginas: 1013 - 1022
Recibido: 13 nov 2021
Aceptado: 15 may 2022
DOI: https://doi.org/10.2478/amns.2021.2.00211
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© 2022 Ran Zou et al., published by Sciendo
This work is licensed under the Creative Commons Attribution 4.0 International License.

Fig. 1

Schematic diagram of the distribution of water treatment groups in the Green Ecological City of Zhangqiu Shuyuan River
Schematic diagram of the distribution of water treatment groups in the Green Ecological City of Zhangqiu Shuyuan River

Incremental cost-benefit evaluation of Energy Saving and Solar Energy Utilisation of Ningxia Project

FertilityΔαRatio Δα FertilityΔα1Ratio Δα1 FertilityΔα2Ratio Δα2
Building envelope energy saving 9.71 3.81 5.88
Solar hot water system 3.50 1.23 2.27
Energy-saving and solar energy utilisation technology 7.57 2.92 4.65

Cost-earnings evaluation

FertilityΔαRatio Δα FertilityΔα1Ratio Δα1 FertilityΔαRatio Δα2
Water system 2.75 2.71 0.04
Rainwater system 4.49 4.43 0.06
Water resources utilisation 3.46 3.40 0.05

Incremental cost and incremental income

Incremental cost Incremental income Incremental and direct economic gains Incremental environment and social benefits
Reclaimed water system 3.17 × 103 8.73 × 103 8.6 × 103 1.3 × 102
Rainwater system 2.09 × 103 9.38 × 103 9.25 × 103 1.3 × 102
Water resources utilisation 5.26 × 104 1.82 × 104 1.79 × 104 2.6 × 102

Incremental cost and income of energy saving and solar energy utilisation technology of Ningxia Project (Unit: 10,000 yuan)

Incremental cost Incremental income Incremental and direct economic gains Incremental environment and social benefits
Energy saving of enclosure structure 2.43 × 103 2.36 × 104 9.25 × 103 1.43 × 104
Solar photothermal system 1.27 × 103 4.44 × 103 1.56 × 103 2.88 × 103
Energy-saving and solar energy utilisation technology 3.70 × 103 2.80 × 104 1.08 × 104 1.72 × 104

Index weight table of evaluation standards for green small towns

Weight
Ecological planning and construction 0.39
Industrial planning 0.26
Planning and construction of small towns 0.27
Heritage protection 0.10
Architectural design and site design 0.39
Energy planning and utilisation 0.20
Water saving and water resources utilisation 0.14
Solid waste treatment and resource utilisation 0.13
Management and publicity 0.12
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Life Sciences, other, Mathematics, Applied Mathematics, General Mathematics, Physics
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