[Gasification] Reanimation of biogas production from biogas depleted manure

phillip manske pdmanske at gmail.com
Sun Nov 20 19:48:32 CST 2011


Pann introduced me to fermentation of biodiesel waste glycerol.  He
says the process is easier that what I am proposing. The process uses
yeast.  The stuff is real close to sugar and it looks like many
microbes would eat it.  I'm worried about waste so I'll have to read
more.

P

On Sun, Nov 20, 2011 at 12:38 PM, Pannirselvam  P.V <pannirbr at gmail.com> wrote:
> Hi Philip mansk
>          good experiments
> very good results
> very good start
>    the immobolised  cells in the fiber can  have more  life time than pure
>  submerged systems.
>    Biofilm reactor are good one  , recirculating  syngas  and acids
>   The next step can be to build bioreactor
> your truely
> Pannirselvam
>
> On Sun, Nov 20, 2011 at 3:11 PM, phillip manske <pdmanske at gmail.com> wrote:
>>
>> Hi Anand,
>>
>> My results and methods are crude but it looks like I'm on the right
>> track.  I like the syngas - methane route mentioned above but the
>> process requires some sophisticated and expensive reactors.  Its worth
>> looking at manure to house all of it.   There is not much in the
>> literature that says man made reactors are more efficient for this
>> process.
>>
>> I used 32 ounce bottles and filled to bottles with semi solid manure
>> and I had to top off with tap water to make anoxic conditions. To that
>> I added about one ounce of CO2 water, or acetate or a mixture of both.
>>  The mixture bottle did not do well on the first round and the acetate
>> alone bottle became toxic and killed all of the methane producing
>> bacteria.  The papers say use much less.  i used water with O2 in it,
>> thus poisoning the reaction.  Thats a good kind of mistake.
>>
>> If acetate is the precursor to methane then CO, taken from syngas, is
>> the precursor to acetate and that test comes next or at least soon.
>> It would be great progress if it worked.
>>
>> Phllip
>>
>>
>>
>>
>>
>>
>> On Sun, Nov 20, 2011 at 3:42 AM, Anand Karve <adkarve at gmail.com> wrote:
>> > Dear Philip,
>> > vinegar (acetic acid) is precursor of methane. CH3COOH=CH4+CO2. So it
>> > but natural that the mixture which contained vinegar produced more
>> > biogas than the control.
>> > Yours
>> > A.D.Karve
>> >
>> > On Sun, Nov 20, 2011 at 10:47 AM, phillip manske <pdmanske at gmail.com>
>> > wrote:
>> >> In an effort to construct the syngas - methanation route, I formed a
>> >> thesis that manure, being as perfect as a methane microbe reactor can
>> >> that nature can build , can be reanimated and managed to produce more
>> >> biogas once the naturally occurring reactants are exhausted.
>> >>
>> >> I put four bottles of manure in a thermophile water bath.  One bottle
>> >> was kept as a control and the had CO2 water, white vinegar and a
>> >> mixture thereof.  These configurations produced different results. The
>> >> acetate sterilized the methanogens, the CO2 water addition produced
>> >> feeble biogas and the mixture also produced less than the control
>> >> bottle.  The bottles were left for three weeks to ferment.  After
>> >> that, they were left at room temperature for a week and then reheated
>> >> in the water bath.  The mixture bottle produced vigorously, perhaps at
>> >> several times the usual production rate.     I can't if the gas is
>> >> CO2, biogas or CH4 but if its biogas, the finding is significant.
>> >>
>> >> P.
>> >>
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>> >
>> >
>> > --
>> > ***
>> > Dr. A.D. Karve
>> > Trustee & Founder President, Appropriate Rural Technology Institute
>> > (ARTI)
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>
>
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