Visit to O-PARK

What is the full name of O · PARK?

• Organic Food Waste Composting Plant

• Organic Urban Park

• Organic Resources Recovery Centre

• Animal Waste Composting Plant

Answer explanation

O-Park is a treatment facility that converts food waste into electricity. It does not consist of composting only. Compost is just the by-product of biogas generation.

What is the colour of the recycling bins that store the food waste?

• Orange

• Purple

• Black

• Green

Answer explanation

What is classified as recyclable food waste?

• Plastic utensils

• Food packaging

• Metal cans and aluminum foil
• Pet food

What is NOT classified as recyclable food waste?

• Coffee grounds and tea leaves

• Soup pulp and Chinese medicine pulp

• Shells

• Fish and poultry organs and intestine

What is his name?

• Big Waster

• Food Waster

• Food Saver

• Mr Rubbish

What is the design capacity of O-Park per day?

• 200 tonnes

• 2,000 tonnes

• 20,000 tonnes

• Unlimited

Answer explanation

In 2020, there were around 3255 tonnes of food waste per day, which accounted for 30% of our municipal solid waste (MSW).

In other words, the O-PARK1 can treat 6% of the food waste we generate every day. The remaining 94% would probably go to the landfills......

Around how many households can the electricity generated by the O-Park support each year?

• 100

• 300

• 3,000

• 10,000

Answer explanation

As on 2018, the surplus electricity generated by the O-PARK is 14 million kWh / year, which is approximately the power consumption by 3,000 households / year.

Does the O-Park charge any food waste treatment fee from the private sectors?

• Yes

• No

Answer explanation

However, they need to afford the transport fee of the food waste to the O-PARK.

These three tanks are where the microorganisms convert the organic matter into gas - a process of waste-to-energy. This process is also called _______.

• Composting

• Anaerobic digestion

• Biogas handling

• Food waste reception

Which of the following statements about composting are CORRECT?

(1) The organic residuals (or digestate) must be dewatered first.

(2) The digestate must be mixed with bulking agent.

(3) Throughout the 14 to 20 days of composting process, the temperature has to be kept at 25°C.

• (1) and (2)

• (1) and (3)

• (2) and (3)

• (1), (2) and (3)