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12.3.2 Proportion of waste recycled

In 2025, Srinakharinwirot University (SWU) measured waste across the whole university, covering both of its campuses, Prasarnmit in Bangkok and Ongkharak in Nakhon Nayok. The amount of waste generated in 2025 was 3,340.67 metric tonnes. The amount of waste recycled was 167.45 metric tonnes, giving a proportion of waste recycled of 5.0%. The amount of waste sent to landfill was 3,134.82 metric tonnes (93.8%). Both the recycled and landfilled amounts are a subset of the amount of waste generated.

Waste is recorded every month by campus and by type, and the results are reported on the university’s SDG Sustainability Dashboard, which is publicly accessible online.

Amount of waste recycled in 2025

SWU carries out waste diversion so that waste is reused or recycled instead of being sent to landfill. In 2025, the amount of waste recycled was 167.45 metric tonnes, made up of three types of waste:

1) recyclable waste, sold for recycling: 93.88 metric tonnes

2) agricultural waste, used for composting: 58.58 metric tonnes

3) food waste, used as fish feed: 14.99 metric tonnes

Amount of waste sent to landfill in 2025

General waste is the waste type that SWU sends to landfill. In 2025, the amount of waste sent to landfill was 3,134.82 metric tonnes, or 93.8% of the amount of waste generated. The remaining 38.40 metric tonnes (1.1%) was hazardous and infectious waste, which was sent for incineration. This amount is not counted as recycling and is not included in the amount sent to landfill.

SWU SDG Sustainability Dashboard: Waste Management, 2025

The waste management page of the SWU SDG Sustainability Dashboard shows waste data for 2025 (B.E. 2568) for all campuses. It gives the amount of waste generated, the amount of each waste type and how it is managed, the share of waste sent to landfill and recycled, monthly figures, a comparison between Ongkharak and Prasarnmit campuses, and a monthly record table. The page was accessed on 4 November 2026.

SWU SDG Sustainability Dashboard showing total waste of 3,340.67 tonnes in 2025 by waste type

Figure 1: Amount of waste generated, recycled and sent to landfill in 2025 on the SWU SDG Sustainability Dashboard

Source: https://script.google.com/macros/s/AKfycby53PzkcT8eUJD9a933GyE_59Tyse0n8TG1QjRJUxyqwEYqK_xBcjTKrLDgHnuEIs7G/exec

SWU SDG Sustainability Dashboard monthly waste comparison by campus and waste record table for 2025

Figure 2: Monthly comparison of waste between Ongkharak and Prasarnmit campuses and the monthly waste record table, 2025

Source: https://script.google.com/macros/s/AKfycby53PzkcT8eUJD9a933GyE_59Tyse0n8TG1QjRJUxyqwEYqK_xBcjTKrLDgHnuEIs7G/exec


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