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Stirling engines running on biogas
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Dear Joram,
Your message was quite a surprise! I have tried to get NGOs to try making biogas but most fail. One or two have succeeded including one in Zimbabwe, see attachment.
I've looked at your website and found nothing relevant. Where did you get Stirling engines from?
Graham K BioDesign
Your message was quite a surprise! I have tried to get NGOs to try making biogas but most fail. One or two have succeeded including one in Zimbabwe, see attachment.
I've looked at your website and found nothing relevant. Where did you get Stirling engines from?
Graham K BioDesign
Graham Knight
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Re: Stirling engines running on biogas
Hello Graham,
Here in Kenya ,iam using Bio gas to run Engines and generate electricity.The gas can run CHAFF CUTTERS for cutting fodder. We have installed several and they are working alright.
We would like to learn more about bio gas generators and possible funding opportunities to help us upscale our work to enable poor rural households access bio gas generated power.
Regards,
Joram Mathenge
Executive Director
Kiangure Springs Environment Initiative
www.kseikenya.org
Here in Kenya ,iam using Bio gas to run Engines and generate electricity.The gas can run CHAFF CUTTERS for cutting fodder. We have installed several and they are working alright.
We would like to learn more about bio gas generators and possible funding opportunities to help us upscale our work to enable poor rural households access bio gas generated power.
Regards,
Joram Mathenge
Executive Director
Kiangure Springs Environment Initiative
www.kseikenya.org
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Since the recent discussion about Stirling engines running on biogas I have discovered there is an alternative - small IC generators.
Most biogas IC IC generators are of high power but the Stirling engines I've come across are around 1 kw and there are now Chinese-made biogas generators of even lower power.
I've been gathering information from around the world on biogas generators in the field and will forward it to anyone interested.
What I need are leads as to how low power projects can be funded so that the more remote poor can benefit from the present enthusiasm for renewable electricity.
I'm open to any suggestions!
Graham K
Most biogas IC IC generators are of high power but the Stirling engines I've come across are around 1 kw and there are now Chinese-made biogas generators of even lower power.
I've been gathering information from around the world on biogas generators in the field and will forward it to anyone interested.
What I need are leads as to how low power projects can be funded so that the more remote poor can benefit from the present enthusiasm for renewable electricity.
I'm open to any suggestions!
Graham K
Graham Knight
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You can follow the UK discussion at:
www.linkedin.com/groupItem?view=&item=59...il&ut=3QFOmpL2PYr6o1
You will see that I am urging them to consider getting funding so a small unit can be developed for use in rural Africa.
There are a number of schemes (both EU & USA) where funding will be available for electricity projects.
So far as I know there is no way yet proposed of producing a few watts after dark - except for the Biogas Socket
www.linkedin.com/groupItem?view=&item=59...il&ut=3QFOmpL2PYr6o1
You will see that I am urging them to consider getting funding so a small unit can be developed for use in rural Africa.
There are a number of schemes (both EU & USA) where funding will be available for electricity projects.
So far as I know there is no way yet proposed of producing a few watts after dark - except for the Biogas Socket
Graham Knight
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Hallo Graham,
I am and others interested too.
www.modernpowersystems.com/features/feat...crogen-failed-1.html
Wall-hung cogen plants: can Ecogen succeed where Microgen failed?
Regards,
Detlef
I am and others interested too.
www.modernpowersystems.com/features/feat...crogen-failed-1.html
Wall-hung cogen plants: can Ecogen succeed where Microgen failed?
Regards,
Detlef
www.aqua-verde.de, AquaVerde Ltd. Zanzibar
"simple" Sanitation-Solutions by gravity
Low-Tech Solutions with High-Tech Effects
"Inspired by Circular Economy and Cooperation"
www.flickr.com/photos/aqua-verde/
"simple" Sanitation-Solutions by gravity
Low-Tech Solutions with High-Tech Effects
"Inspired by Circular Economy and Cooperation"
www.flickr.com/photos/aqua-verde/
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Hi Thomas,
I have just come across this discussion having been in contact with a biogas-stirling project in London.
There they are trying to develop a small digester to use food waste and supply a Stirling engine -
Ecogen CHP with microgen Stirling engine.
I am trying to persuade them to develop this via funding now available for Africa projects.
More if you are interested
Graham K
I have just come across this discussion having been in contact with a biogas-stirling project in London.
There they are trying to develop a small digester to use food waste and supply a Stirling engine -
Ecogen CHP with microgen Stirling engine.
I am trying to persuade them to develop this via funding now available for Africa projects.
More if you are interested
Graham K
Graham Knight
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Thanks for all the info, I am working on it.
Sjoerd from The Netherlands.
Pronounce: 'Sured'
Some of my work on: www.nienhuys.info
for correspondence: This email address is being protected from spambots. You need JavaScript enabled to view it.
Pronounce: 'Sured'
Some of my work on: www.nienhuys.info
for correspondence: This email address is being protected from spambots. You need JavaScript enabled to view it.
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Our visit of Danish Stirling 35 kWel. at AD-AS-wwtp in Sachsen, East-Germany on 25.03.14 with Mr. Hoffmann (BORDA) and others.
after 4 years running, first revision of stirling:
after 4 years running, first revision of stirling:
www.aqua-verde.de, AquaVerde Ltd. Zanzibar
"simple" Sanitation-Solutions by gravity
Low-Tech Solutions with High-Tech Effects
"Inspired by Circular Economy and Cooperation"
www.flickr.com/photos/aqua-verde/
"simple" Sanitation-Solutions by gravity
Low-Tech Solutions with High-Tech Effects
"Inspired by Circular Economy and Cooperation"
www.flickr.com/photos/aqua-verde/
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stirling on a German wwtp since 2010
7 pages article in German language, in DWA's new KA 1/2014
Teil 1
summary in English
7 pages article in German language, in DWA's new KA 1/2014
Teil 1
summary in English
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www.aqua-verde.de, AquaVerde Ltd. Zanzibar
"simple" Sanitation-Solutions by gravity
Low-Tech Solutions with High-Tech Effects
"Inspired by Circular Economy and Cooperation"
www.flickr.com/photos/aqua-verde/
"simple" Sanitation-Solutions by gravity
Low-Tech Solutions with High-Tech Effects
"Inspired by Circular Economy and Cooperation"
www.flickr.com/photos/aqua-verde/
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Sjoerd: "Zuhausekraftwerk" und 'SchwarmStrom'
www.lichtblick.de/microsites/zhkw/index_en.php
since 1986 Eckhart Weber working on stirlings
www.hans-dampf.ch/index2.php?inc=energie
former sunmachine (old.stirlingmaschine.de/deutsch/presse_7.html)
now superengine.de/e-index.html
www.lichtblick.de/microsites/zhkw/index_en.php
...remote start-stop activity and monitoring by the power stations...
since 1986 Eckhart Weber working on stirlings
www.hans-dampf.ch/index2.php?inc=energie
former sunmachine (old.stirlingmaschine.de/deutsch/presse_7.html)
now superengine.de/e-index.html
www.aqua-verde.de, AquaVerde Ltd. Zanzibar
"simple" Sanitation-Solutions by gravity
Low-Tech Solutions with High-Tech Effects
"Inspired by Circular Economy and Cooperation"
www.flickr.com/photos/aqua-verde/
"simple" Sanitation-Solutions by gravity
Low-Tech Solutions with High-Tech Effects
"Inspired by Circular Economy and Cooperation"
www.flickr.com/photos/aqua-verde/
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30% is a realistically possible carnot cycle efficiency of an internal combustion engine and not too far from the theoretical maximum of something like 40-45% if I recall correctly (en.wikipedia.org/wiki/Carnot_cycle).
If you don't have a use for the heat (and the electricity is not being subsidized by a "renewable resource" feed in tarif like in Germany) it might make sense to invest in a gas purifier and sell the gas directly.
If you don't have a use for the heat (and the electricity is not being subsidized by a "renewable resource" feed in tarif like in Germany) it might make sense to invest in a gas purifier and sell the gas directly.
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@AquaVerde, Thanks for the links. It seems that the BHKW engines produce about 30% electric power and 60% heat, while the 10% is energy loss due to conversion. I am interested in designs that mainly convert the enery in electricity. Maybe some waste heat can be used for heating up the biogas reactor for accelerated fermentation. The remote start-stop activity and monitoring by the powerstations is probably easyer to develop.
Sjoerd from The Netherlands.
Pronounce: 'Sured'
Some of my work on: www.nienhuys.info
for correspondence: This email address is being protected from spambots. You need JavaScript enabled to view it.
Pronounce: 'Sured'
Some of my work on: www.nienhuys.info
for correspondence: This email address is being protected from spambots. You need JavaScript enabled to view it.
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