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Table 3

Assessment of economic dimension of sustainability

Treatment method IndicatorConventional treatmentOxidation ditchesAeration lagoonsMBR
Construction cost 
Operation and maintenance cost 
Land cost 
Cost of resources used 
Cost of salaries and wages of labors 
Expenditure on health and safety 
Economic performance of production and waste management 
Total score 11 16 15 15 
Treatment method IndicatorConventional treatmentOxidation ditchesAeration lagoonsMBR
Construction cost 
Operation and maintenance cost 
Land cost 
Cost of resources used 
Cost of salaries and wages of labors 
Expenditure on health and safety 
Economic performance of production and waste management 
Total score 11 16 15 15 
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