Energy independent Zijldijk

Tutor: Jeen Postma

Students:• Ale Sikkema• Alberto Pulido• Jordi Crivillé

IPGD

International Power Generation & Distribution

• International students• Electrical & mechanical engineers

EKC

Energy Knowledge Center

Or

Energie Kenniscentrum

Zijldijk

• 88 houses• 4 company buildings• 3 community buildings

Conclusion last project

Project• A Bio digester with enough gas production for the energy demand of

Zijldijk• Electrical and heat generation and distribution to Zijldijk• Compare the different possibilities

Energy demand in Zijldijk

• 1m3 of natural gas cost € 0,67 the total consumption cost € 134.000

• 1kWh of electricity cost € 0,21 the total consumption cost € 73.500

Anaerobic digestion

Anaerobic digestion plant

• Gas holder

• Mix

• Digester

• Manure storage

• Gas engine

mix

Digestion

• Controlled biological processes to involve treating organic waste using bacteria in an oxygen-free environment.

• The anaerobic bacteria produce a methane rich biogas by:

HydrolyzeAcidificationMethane production

• This biogas can be used to generate electricity

Diet of the digester

Biogas

• Natural Gas calorific value 35MJ/m3

– Methane 80% to 90%

• Biogas calorific value 20MJ/m3

– Methane 55% to 80%– Co2 45% to 20%

Digestate

• Plants obtain the Nitrogen faster

• The digestate has an equal mixture

• Less fertilizer is necessary

Questions

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Mini CHP

• Gas engine

• Synchronous generator

• Heat recovery system

Grid / pipelines

Village heating

Use waste heat from mini CHP

Biogas supply

fuel for Micro CHP

Electricity grid

Provide and transport electricity

Micro CHP

• Simultaneous production of heat and power

Micro CHP

Solar collector

Questions

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System 7a

• Biodigester

• Diet

• Mini CHP 260 KWe

• 100 Micro CHP new generation

• Biogas & Electrical pipeline

• Rentability 14 year

Conclusion

• The best option is system 7 a.– Complete energy supply– Reduction CO2

– Green energy– Economical and rentable

Questions

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