Page 171 - Towards A Sustainable Future , Phase 3 2025, E-Book_Neat

Figure 15: Singapore's Water Loop

As part of the water treatment process, one of the first steps
is the pre-treatment unit, which houses a microfiltration
unit amongst a slew of other filtration equipment. This
microfiltration unit is of particular interest as this unit has a
filtration accuracy of up to 0.08μm [9].

In comparison, standard activated carbon particle sizes
vary from 0.595mm to 2.36mm [10]. This would mean
that Singapore's water treatment system would be able to
effectively filter these burnt charcoal particles and prevent Table 3: Overall projected amount and savings of Eco-solution annual
them from entering the clean water system. before/after implementation

Presentation of data
Referring to Table 1, the company's water usage for cleaning The company also shared that it spends approximately $150
amounts to 3361.92m3. With the team calculating at least a per month on cleaning agents (not brand-specific). Common
30% reduction in water usage, the theorised new amount of dishwashing and stain removal liquid bottles come in 1-litre
water usage would be 3361.92*0.7=2353.34 m3. As such, the bottles of High-Density Polyethene (HDPE) plastic. This
annual CO2 emissions will decrease from 4807.5 kgCO2 to amount is approximately 60 1-litre bottles monthly, which
3365.27 kgCO2. translates to 60kg of HDPE plastics monthly and hence 4320kg

The cost of water would hence be reduced from of annual CO2 emissions.
3361.92*1.66*1.09 = $6083 to 2353.34*1.66*1.09 = $4258.13

169