STM4663 Chapter 3.2

What is waste collection defined as?

• The transportation of waste to the place of final disposal

• The movement of waste over a specific area

• The collection of solid waste from various sources

• The processing of waste at transfer stations

What is the purpose of waste transport?

• To ensure waste is not seen littered on streets

• To minimize associated risks of waste disposal

• To move waste from process to process without delays

• To reduce traffic congestion

Which method is NOT used for the disposal of solid waste?

• Composting

• Recycling

• Burning or incineration

• Land application: burial or landfill

What is the process of recycling?

• Collecting and processing materials to turn them into new products

• Collecting and disposing of waste in landfills

• Collecting and burning waste to generate energy

• Collecting and burying waste in designated areas

What is down-cycling in recycling?

• The process of turning waste into energy

• The process of converting waste into new products of lower quality

• The process of separating waste into different materials

• The process of recycling metals multiple times without quality loss

What is the first stage of waste recycling?

• Sorting the waste at sorting facilities

• Collecting waste from households

• Separating waste into different materials at home

• Using recycled raw materials to create new products

What is required for gasification of heterogeneous waste?

• Pre-treatment of the waste to fine granules

• Separation of waste into different materials

• Collection and transportation of waste

• Burning or incineration of waste

What does gasification of heterogeneous waste produce?

• Recycled raw materials

• Compost for agricultural use

• A gas with varying composition

• Energy for electricity generation