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Table of Contents
1 Literature Review
1.1 Background
1.2 Problem statement
1.3 Methods of Bio Gas Preparation
1.4 Selection of Process
2 Process Description
2.1 Initial Treatment of MSW and Industrial Waste
2.2 Digestion
Hydrolysis
Acidogenesis
Acetogenesis
Methanogenesis
3 Material and Energy Balances
3.1 Material Balance on Equipment 1
3.2 Material Balance on Equipment 2
3.3 Material Balance on Equipment 3
3.4 Energy Balance on Equipment 1
3.5 Energy Balance on Equipment 2
3.6 Energy Balance on Equipment 3
4 Equipment Designing
4.1 Design of Equipment 1
4.2 Design of Equipment 2
4.3 Design of Equipment 3
5 Instrumentation and Process Control
5.1 Objectives of Instrumentation and Process Control
5.2 Different types of Controllers
5.3 Control Loops

6 Cost Estimation

7 HAZOP Study

References

Is Waste Really A Waste
Or Is It Perhaps A Resource

Chapter # 1

Literature Review

1.1 Background The origin of biogas is traced back to the Persians. They discovered that organic matter such as rotting vegetables gave of a flammable gas that could be used for other purposes. Marco Polo has mentioned the use of covered sewage tanks in China. This is believed to go back to 2,000–3,000 years ago in ancient China. In modern times, the first sewage plant was built in Bombay in 1859; an idea that was brought to the UK in 1895, when produced wood gas from wood and later coal was used to light street lamps. The use of biogas in internal combustion engines dated back to Second World War when thousands of vehicles ran by sewage gas in Europe. “In 1942-44, garbage collection trucks with diesel engines were operated using purified and compressed sewer gas in Zurich, Switzerland”. “Around 1955 the importance of biogas was significantly reduced, as biogas was not profitable any longer due to an excess of oil. The

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