[Digestion] Digestion Digest, Vol 60, Issue 2

srinivaskasulla at gmail.com srinivaskasulla at gmail.com
Fri Sep 25 22:43:22 CDT 2015


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).
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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/
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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/
> 
> 
> 
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> 
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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
> ****************************************




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