Lecture 15 Landfill Gas and Leachate Formation

Lecture 15 Landfill Gas and Leachate Formation

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Flashcard

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University

Practice Problem

Easy

Created by

Balaji Kannan undefined

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41 questions

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1.

FLASHCARD QUESTION

Front

What are the major hazards associated with a landfill?

Back

Leachate and landfill gas.

2.

FLASHCARD QUESTION

Front

What are the potential dangers of landfill gas?

Back

It can be toxic, lead to global warming, and cause explosions.

3.

FLASHCARD QUESTION

Front

List the factors that affect the production of leachate and landfill gas.

Back

Nature of waste, moisture content, pH, particle size and density, temperature.

4.

FLASHCARD QUESTION

Front

What is the minimum moisture percentage required for most microorganisms to grow in landfill waste?

Back

Approximately 12% by weight.

5.

FLASHCARD QUESTION

Front

How does particle size affect landfill gas production?

Back

It affects the density achieved upon compaction and the surface area for moisture absorption.

6.

FLASHCARD QUESTION

Front

What effect does temperature have on gas production in landfills?

Back

An increase in temperature tends to increase gas production.

7.

FLASHCARD QUESTION

Front

What is the composition of typical landfill gas?

Back

Methane, carbon dioxide, oxygen, nitrogen.

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