Page 60 - Shaping A Sustainable Future
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4R- Reduce, Reuse, Recycle, Recreate Presentation of Data
The company’s efforts in 4R are mainly to recycle and With the conversion rates obtained from the www.
reuse the coolant. Almost all the coolant will keep ema.gov.sg website, we can calculate and project
recycling until it degrades and has lost its cooling carbon emissions from company operations each year.
properties. Additional coolant and water is used to top- Table 2 shows the data, and we can use these data to
up until the cooling properties are restored. Recycling compare the carbon emission saving pre-and post-
and reuse not only save costs but also reduce the need implementation of the eco-solution.
for disposing of degraded coolant. With this, it is possible
to minimise wastage and instil in the employees the idea
of 4R. The other non-recyclable waste is oil. Waste metal
chips produced in the process of CNC milling are sold to
recycling companies.
Resource Annual Usage Annual CO Emissions Conversion Factor
2
Water 700 m 3 210 kg 0.3kg CO / m 3
2
Coolant 28 m 3 8.4 kg 0.3kg CO / m 3
2
Electrical 28,909 kWh 12,107 kg 0.4188 kg CO /kWh
2
TOTAL 12,325 kg
Table 2: Carbon emission before eco-solution implementation.
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