Page 14 - Shaping A Sustainable Future
P. 14
Good Environmental Practices Presentation of Data
We found that the stakeholders have been doing their • Average energy consumption for Desalination and
part for environmental conservation at the coffee shop NEWater process = 1.95 kWh/m 3
during the review. Actions include: • Energy consumption of wastewater treatment =
0.5 kWh/m 3
1. The area is well illuminated by natural lighting. Hence, • CO emission per electricity generated =
2
during the day, not all of the lamps are switched on. 0.41 kgCO /kWh
2
Additional lighting provided from fluorescent lamps
is energy efficient, and this helps the coffee shop save
energy and money. Refer to Table 1 for the amount of water used, wastewater
generated, and CO emitted before implementing the
2
2. The coffee shop is not air-conditioned. It uses ceiling proposed solution.
fans to ventilate the entire area. Hence, this helps to
reduce the usage of energy in the coffee shop. Eco-Solutions
3. The food inventories are purchased and checked
twice a week. There is no over-ordering or unnecessary The team discussed the environmental aspects with the
wastage of food. The food inventories are kept in the coffee shop management. They agreed on the factors
refrigerator to ensure no spoilage and wastage of food. identified and recognised that too much water and
dishwashing detergent used when cleaning the dirty
4R – Reduce, Reuse, Recycle, Recreate utensils and dishes. They were not aware of the right
amount of dishwashing detergent and water to be used.
The packaging materials used in the coffee shop are Hence, when excessive dishwashing detergent is used, it
reusable and recyclable. The metal drink cans and glass needs more water to rinse off the detergent. This leads
bottles are collected separately and recycled by the to more wastewater being released to the sewerage
stallholders. Recycling and reusing packaging material, system.
such as plastic containers, can also be performed by the
consumer.
Resource Annual Usage Conversion Factor Annual CO Emissions
2
Original washing, water usage 1.95 kWh/m x 0.41 kgCO /kWh
3
Water 2 116.36 kgCO
per annum for four stalls: 146m 3 = 0.797 kgCO /m 3 2
2
3
146,000 L + 1314 L = 147,314 L = 0.5k Wh/m x 0.41 kgCO /kWh =
Waste (Detergent waste water) 2 30.05 kgCO
147.314 m 3 0.204 kgCO /m 3 2
2
Total annual CO emissions 146.41 kgCO
2 2
Table 1: Summary of annual CO emissions before the implementation of proposed eco-solution
2
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