Semakau landfill site+ landfill vs incineration Amsterdam !

Question 1

What is Amsterdams approach to waste

Answer 1

Recover the valuable raw materials and incinerate the waste to create energy and dump what’s left in landfill

Question 2

What were the problems in Amsterdam with dumping waste

Answer 2

• lack of space
• soil pollution
• groundwater contamination
• smell

Question 3

What taxes did the government in Amsterdam introduce to to landfill

Answer 3

-a tax on every tonne of material put in landfill to try and reduce the amount. 35 bans on different wastes

Question 4

Has Amsterdam’s tax introduction been successful

Answer 4

• they have decreased the waste amount dramatically from 1990 and in 2006 the country had already reached the targets of the landfill set for 2016
• Currently the Netherlands landfills 1.5 to 2 million tonnes of waste annually.
• 79% is recycled and 19% is used in energy recovery, 21% is incinerated or in landfill

Question 5

facts about what the incineration does and how much energy is created (Amsterdam)

Answer 5

• creates 1 million MWH of electricity annually.

- this creates heat for several communities and produces 300,000 gigajoules of heat annually

Question 6

How does Amsterdam make incineration environmentally friendly

Answer 6

• the toxins go through a process of scrubbing the gases
• supplies the energy to teh water eg water plant
• this process avoids 438kiloton of co2 per year

Question 7

Where is semakau landfill and what is the population

Answer 7

• an island of of Singapore based purely for waste
• first offshore waste landfill
• 5.7 million population

Question 8

What is the waste growth in Singapore

Answer 8

• 1970 there was 1260 tonnes

- 2016 8,600 tones

Question 9

What happens to most fo the energy streams in Singapore

Answer 9

Rubbish items taht can’t be sorted or recycled are sent to one of 4 waste energy plants

Question 10

What are semakau features

Answer 10

• costs $646 million
• 7km long walk long wall
• holds 60m cubic metres of waste and estimated to be full by 2045
• bird species and water plants

Question 11

How is semekau landfill site eco friendly

Answer 11

• no waste lying around
• incinerate 65% into ash and 35% stays as non incinerator landfill
• each landfill site is covered in earth to allow plants to grow
• there have been leachate treatment plant to avoid contamination of surrounding water
• the landfill pits are lined with impermeable membrane
• wind turbine has been added to the island