[Digestion] Digestion Digest, Vol 53, Issue 3

[Paul Harris]

G'day Edward (et al),

I cannot answer the microbial questions but would comment that it 
appears that methane (biogas) production is related to microbial growth 
rate (Chen's model, see DigiCalc.zip on 
http://biogas.wikispaces.com/Online+Course ).

Start-up time depends on temperature and inoculation level as well as 
digestibility of waste, so may range from a couple of days to a couple 
of weeks. Note that the first gas will be carbon dioxide as residual 
oxygen is consumed by faculative microbes.

Hope this is some help,
Happy digesting,

HOOROO
Mr Paul Harris

On 9/02/2015 6:56 PM, Edward Silalahi (Medan) wrote:
> Dear Digestion members,
>
> I would like to know some relating to the biogas process are:
> 1. How long of life the microorganisms (bacteria) in hydrolysis, fermentation and methanogenic step?
> 2. How many m3 of biogas per bacteria productivity?
> 3. How long the production of biogas since starting from beginning until produce the biogas?
> 4. How many bacteria (microorganism) average/normal per liter of sludge?
>
> Please help me to find out of the question?
>   
>
>   
>
> Best Regards ++
>
>   
>
> Edward Silalahi
>
> Website:www.asianagri.com
>
> Before you can be old and wise, you must first be young and stupid
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> Subject: Digestion Digest, Vol 53, Issue 3
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>     1. Courtesy Notice of Media Coverage (mtheroux at terutalk.com)
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> Message: 1
> Date: Thu, 5 Feb 2015 09:47:40 -0800
> From: <mtheroux at terutalk.com>
> To: "'Jaime Marti Herrero - Taller Biogas'" <tallerbiogas at hotmail.com>
> Cc: digestion at lists.bioenergylists.org
> Subject: [Digestion] Courtesy Notice of Media Coverage
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> Mr. Herrero,
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> As a member of the Digestion bioenergy listserve I received the Volume 53, Issue 1 message dated 2-2-2015. I checked the link you provided and read your recent article regarding development and testing of cold-climate tubular digester designs. We have now published a news item directing our Teru Talk newsletter readership to your research; see:
> http://www.terutalk.com/February-2015.html#0203-2.
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> and the Biogas Wiki http://biogas.wikispaces.com/
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