[Digestion] Digestion Digest, Vol 60, Issue 2

Sat Sep 26 03:02:24 CDT 2015

Dear Shrinivas,
yes, you are right. Dung and human fecal matter can also be added to your list.
Yours
A.D.Karve
***
Dr. A.D. Karve

Chairman, Samuchit Enviro Tech Pvt Ltd (www.samuchit.com)

Trustee & Founder President, Appropriate Rural Technology Institute (ARTI)

On Sat, Sep 26, 2015 at 9:13 AM,  <srinivaskasulla at gmail.com> wrote:
> Dear Dr Karve,
> You are right to certain extent but few feedstocks are never touched by any animals and they generate huge amount of biogas few examples are: Sugar Industry Effluent Spent Wash and Press Mud. I have installed two big planta on the above substrates in India.
>
>
>
> Regards
> Srinivas Kasulla
>
> Sent from my iPhone
>
>> On 25-Sep-2015, at 11:30 pm, digestion-request at lists.bioenergylists.org wrote:
>>
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>> Today's Topics:
>>
>>   1. Rapid estimation of the biochemical methane potential of
>>      plant biomasses (...) (Jerome Rigot)
>>   2. Re: Rapid estimation of the biochemical methane potential of
>>      plant biomasses (...) (Jayant Keskar)
>>   3. Re: Rapid estimation of the biochemical methane potential of
>>      plant biomasses (...) (Anand Karve)
>>
>>
>> ----------------------------------------------------------------------
>>
>> Message: 1
>> Date: Thu, 24 Sep 2015 16:43:03 -0400
>> From: Jerome Rigot <jfrigot at gmail.com>
>> To: For Discussion of Anaerobic Digestion
>>    <digestion at lists.bioenergylists.org>
>> Subject: [Digestion] Rapid estimation of the biochemical methane
>>    potential of plant biomasses (...)
>> Message-ID:
>>    <CACQpqLU6M5ba+ep+T5UxP3--gEEPMQDuYSen6px4yQ=rPFbr-A at mail.gmail.com>
>> Content-Type: text/plain; charset="utf-8"
>>
>> Some of you may find this paper interesting.
>>
>> Enjoy, Jerome
>>
>> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>> Rapid estimation of the biochemical methane potential of plant biomasses
>> using Fourier transform mid-infrared photoacoustic spectroscopy
>> *ARTICLE* in BIORESOURCE TECHNOLOGY 197:475-481 ? SEPTEMBER 2015
>> Impact Factor: 4.49 ? DOI: 10.1016/j.biortech.2015.08.050
>> Abstract
>> Biochemical methane potential (BMP) is a very important characteristic of a
>> given feedstock for optimisation of its use in biogas production. However,
>> the long digestion time needed to determine BMP is the main limitation for
>> the use of this assay during the operation of anaerobic digesters to
>> produce biogas. Fourier transform mid-infrared photoacoustic spectroscopy
>> (FTIR-PAS) was used to predict the BMP of 87 plant biomasses. The developed
>> calibration model was able to explain 81% of the variance in the measured
>> BMP of a selected test set with a root mean square error (RMSE) of
>> 40NLCH4kg(-1) of volatile solids (VS) and a ratio of performance to
>> deviation (RPD) of 2.38. The interpretation of the regression coefficients
>> used in the calibration revealed a positive correlation of BMP with easily
>> degradable compounds (amorphous cellulose, hemicellulose and aliphatic
>> compounds) and a negative correlation with inhibitors of cellulose
>> hydrolysis (lignin, hemicellulose).
>> -------------- next part --------------
>> An HTML attachment was scrubbed...
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>>
>> ------------------------------
>>
>> Message: 2
>> Date: Fri, 25 Sep 2015 09:18:36 +0930
>> From: Jayant Keskar <jkeskar09 at gmail.com>
>> To: For Discussion of Anaerobic Digestion
>>    <digestion at lists.bioenergylists.org>
>> Subject: Re: [Digestion] Rapid estimation of the biochemical methane
>>    potential of plant biomasses (...)
>> Message-ID:
>>    <CAOX+A+iXOntvOY9BU6mdEKh=-zWVZcqJ_K+aysCWCY1ZJOuGGw at mail.gmail.com>
>> Content-Type: text/plain; charset="utf-8"
>>
>> Thanks for sharing Jerome,
>>
>> cheers,
>>
>> jayant
>>
>>> On Fri, Sep 25, 2015 at 6:13 AM, Jerome Rigot <jfrigot at gmail.com> wrote:
>>>
>>> Some of you may find this paper interesting.
>>>
>>> Enjoy, Jerome
>>>
>>>
>>> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>> Rapid estimation of the biochemical methane potential of plant biomasses
>>> using Fourier transform mid-infrared photoacoustic spectroscopy
>>> *ARTICLE* in BIORESOURCE TECHNOLOGY 197:475-481 ? SEPTEMBER 2015
>>> Impact Factor: 4.49 ? DOI: 10.1016/j.biortech.2015.08.050
>>> Abstract
>>> Biochemical methane potential (BMP) is a very important characteristic of
>>> a given feedstock for optimisation of its use in biogas production.
>>> However, the long digestion time needed to determine BMP is the main
>>> limitation for the use of this assay during the operation of anaerobic
>>> digesters to produce biogas. Fourier transform mid-infrared photoacoustic
>>> spectroscopy (FTIR-PAS) was used to predict the BMP of 87 plant biomasses.
>>> The developed calibration model was able to explain 81% of the variance in
>>> the measured BMP of a selected test set with a root mean square error
>>> (RMSE) of 40NLCH4kg(-1) of volatile solids (VS) and a ratio of performance
>>> to deviation (RPD) of 2.38. The interpretation of the regression
>>> coefficients used in the calibration revealed a positive correlation of BMP
>>> with easily degradable compounds (amorphous cellulose, hemicellulose and
>>> aliphatic compounds) and a negative correlation with inhibitors of
>>> cellulose hydrolysis (lignin, hemicellulose).
>>>
>>> _______________________________________________
>>> Digestion mailing list
>>>
>>> to Send a Message to the list, use the email address
>>> Digestion at bioenergylists.org
>>>
>>> to UNSUBSCRIBE or Change your List Settings use the web page
>>>
>>> http://lists.bioenergylists.org/mailman/listinfo/digestion_lists.bioenergylists.org
>>>
>>> for more information about digestion, see
>>> Beginner's Guide to Biogas
>>> http://www.adelaide.edu.au/biogas/
>>> and the Biogas Wiki http://biogas.wikispaces.com/
>> -------------- next part --------------
>> An HTML attachment was scrubbed...
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>>
>> ------------------------------
>>
>> Message: 3
>> Date: Fri, 25 Sep 2015 06:19:01 +0530
>> From: Anand Karve <adkarve at gmail.com>
>> To: For Discussion of Anaerobic Digestion
>>    <digestion at lists.bioenergylists.org>
>> Subject: Re: [Digestion] Rapid estimation of the biochemical methane
>>    potential of plant biomasses (...)
>> Message-ID:
>>    <CACPy7Sc_60p3uACA8TB8puTkhqpYNWz_B5VH1nyQLFAz0=47Aw at mail.gmail.com>
>> Content-Type: text/plain; charset=UTF-8
>>
>> Dear All,
>> I had long ago pointed it out that the digestibility of a substance
>> matched its V.S.%. Whenever anybody asks me, if a certain substance
>> could be used as feedstock, I tell him to find out if that substance
>> could serve as food of any animal. Anything that is digested by an
>> animal can  introduced into a biogas plant to produce biogas
>> Yours
>> A.D.Karve
>> ***
>> Dr. A.D. Karve
>>
>> Chairman, Samuchit Enviro Tech Pvt Ltd (www.samuchit.com)
>>
>> Trustee & Founder President, Appropriate Rural Technology Institute (ARTI)
>>
>>
>>> On Fri, Sep 25, 2015 at 5:18 AM, Jayant Keskar <jkeskar09 at gmail.com> wrote:
>>> Thanks for sharing Jerome,
>>>
>>> cheers,
>>>
>>> jayant
>>>
>>>> On Fri, Sep 25, 2015 at 6:13 AM, Jerome Rigot <jfrigot at gmail.com> wrote:
>>>>
>>>> Some of you may find this paper interesting.
>>>>
>>>> Enjoy, Jerome
>>>>
>>>>
>>>> +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
>>>>
>>>> Rapid estimation of the biochemical methane potential of plant biomasses
>>>> using Fourier transform mid-infrared photoacoustic spectroscopy
>>>>
>>>> ARTICLE?in?BIORESOURCE TECHNOLOGY 197:475-481 ? SEPTEMBER 2015
>>>> Impact Factor: 4.49 ? DOI: 10.1016/j.biortech.2015.08.050
>>>>
>>>> Abstract
>>>>
>>>> Biochemical methane potential (BMP) is a very important characteristic of
>>>> a given feedstock for optimisation of its use in biogas production. However,
>>>> the long digestion time needed to determine BMP is the main limitation for
>>>> the use of this assay during the operation of anaerobic digesters to produce
>>>> biogas. Fourier transform mid-infrared photoacoustic spectroscopy (FTIR-PAS)
>>>> was used to predict the BMP of 87 plant biomasses. The developed calibration
>>>> model was able to explain 81% of the variance in the measured BMP of a
>>>> selected test set with a root mean square error (RMSE) of 40NLCH4kg(-1) of
>>>> volatile solids (VS) and a ratio of performance to deviation (RPD) of 2.38.
>>>> The interpretation of the regression coefficients used in the calibration
>>>> revealed a positive correlation of BMP with easily degradable compounds
>>>> (amorphous cellulose, hemicellulose and aliphatic compounds) and a negative
>>>> correlation with inhibitors of cellulose hydrolysis (lignin, hemicellulose).
>>>>
>>>> _______________________________________________
>>>> Digestion mailing list
>>>>
>>>> to Send a Message to the list, use the email address
>>>> Digestion at bioenergylists.org
>>>>
>>>> to UNSUBSCRIBE or Change your List Settings use the web page
>>>>
>>>> http://lists.bioenergylists.org/mailman/listinfo/digestion_lists.bioenergylists.org
>>>>
>>>> for more information about digestion, see
>>>> Beginner's Guide to Biogas
>>>> http://www.adelaide.edu.au/biogas/
>>>> and the Biogas Wiki http://biogas.wikispaces.com/
>>>
>>>
>>> _______________________________________________
>>> Digestion mailing list
>>>
>>> to Send a Message to the list, use the email address
>>> Digestion at bioenergylists.org
>>>
>>> to UNSUBSCRIBE or Change your List Settings use the web page
>>> http://lists.bioenergylists.org/mailman/listinfo/digestion_lists.bioenergylists.org
>>>
>>> for more information about digestion, see
>>> Beginner's Guide to Biogas
>>> http://www.adelaide.edu.au/biogas/
>>> and the Biogas Wiki http://biogas.wikispaces.com/
>>
>>
>>
>> ------------------------------
>>
>> Subject: Digest Footer
>>
>> _______________________________________________
>> Digestion mailing list
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>> for more information about digestion, see
>> Beginner's Guide to Biogas
>> http://www.adelaide.edu.au/biogas/
>> and the Biogas Wiki http://biogas.wikispaces.com/
>>
>>
>>
>> ------------------------------
>>
>> End of Digestion Digest, Vol 60, Issue 2
>> ****************************************
>
> _______________________________________________
> Digestion mailing list
>
> to Send a Message to the list, use the email address
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> to UNSUBSCRIBE or Change your List Settings use the web page
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>
> for more information about digestion, see
> Beginner's Guide to Biogas
> http://www.adelaide.edu.au/biogas/
> and the Biogas Wiki http://biogas.wikispaces.com/
>