ประเมินผลกระทบทางเศรษฐกิจ สังคมและสิ่งแวดล้อมจากการจัดการขยะมูลฝอยที่ถูกสุขลักษณะของครัวเรือนในพื้นที่เขตเทศบาลตำบลวังดิน อำเภอลี้ จังหวัดลำพูน

Abstract

The purpose of this study was to assess the economic, social and environmental impact of sanitary solid waste management of households in Wang Din Subdistrict, Li District, Lamphun Province. The key Informants were people who participants in project 40 persons by Purposive Selection. The method of focus groups and In-depth Interview were a tools for data collection from a discussion of stakeholders. The process inputs, activities, output and outcomes/impacts were concluded by the focus groups and In-depth Interview. In addition, they analyzed the deadweight, attribution and drop-off and financial proxy for each impact in order to calculate the social returns on investment (SROI). The study found that the project of sanitary solid waste management of households had 70% are female, aged between 40-60 years 77.50% with an average income of 9,000 baht per month. People sort waste every time before throwing it away. Which is considered in 3 aspects, namely 1) Economy, stakeholders in the project have waste separation. Can reduce the cost of waste management. and increase revenue from the sale of recycled waste, Government agencies reduce the cost of hiring a private company to collect waste and increased income from sales of plastic briquettes. 2) Social stakeholders in the project are proud and cause less stress. There is a good relationship between the community. 3) Environmental people in the area are aware of the negative effects on the environment and reduce the use of agricultural chemical fertilizers. Turn to compost waste from household food scraps through recycling or reuse processes. The net present value of 2,379,888 baht, the social returns on investment of 4.68 meaning that one baht on investment can create social benefits of 4.68 baht and the project reached the break-even within a period of 0.82 months had the net present value of 2,379,888 baht, the social returns on investment of 4.68 meaning that one baht on investment can create social benefits of 4.68 baht and the project reached the break-even within a period of 0.82 months.