Digestion Digest, Vol 65, Issue 1

AMADES Morocco amades_morocco at yahoo.fr
Tue Jun 7 09:25:52 CDT 2016 

Dear All,We are planning to use lab scale UASB digester for pulp and paper mill wastewaters from recycled paper industry( between 5 and 10 L), could someone help to give some ideasMany ThanksBest Regards Prof. Hassan El Bari President of Moroccan Association of Solid Waste (AMADES-Morocco) Faculte of Sciences University of Ibn Tofail BP 133 - Kenitra Morocco 

    Le Lundi 6 juin 2016 18h00, "digestion-request at lists.bioenergylists.org" <digestion-request at lists.bioenergylists.org> a écrit :
 

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Today's Topics:

  1. Hi (Kelvin masule)
  2. Re: Hi (Anand Karve)
  3. Re: Hi (David)


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Message: 1
Date: Sun, 5 Jun 2016 18:14:55 -0700
From: Kelvin masule <kmasule97 at gmail.com>
To: digestion at lists.bioenergylists.org
Subject: [Digestion] Hi
Message-ID:
    <CAKK+j6wCbMyviGLS91HVdd1Ui7KmF4kS9+2bj5utvB5PKVTvng at mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

Guys do u have any information about biogas?
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Message: 2
Date: Mon, 6 Jun 2016 09:30:12 +0530
From: Anand Karve <adkarve at gmail.com>
To: For Discussion of Anaerobic Digestion
    <digestion at lists.bioenergylists.org>
Subject: Re: [Digestion] Hi
Message-ID:
    <CACPy7ScndqwLxe=GZWMmMeA2S7P2_xkROua++osuwgt56=bafg at mail.gmail.com>
Content-Type: text/plain; charset="utf-8"

*Biogas technology revisited*

Dr.A.D.Karve

Samuchit Enviro Tech P. Ltd. Law College Road, Ekata Park Co-Op. Housing
Society, Behind Nirmitee Showroom, Erandawane, Pune 411 004 (
adkarve at gmail.com)

Abstract: In spite of new knowledge gained since the advent of the 21st
century the biogas researchers still use some of the older concepts.  The
new concepts pointed out in this article are 1) Because the biogas
producing microbes reside in the intestines of animals, they eat what the
animals eat. 2) Breeding super-methanogens can be achieved, but their use
in a biogas plant would not be practical, as it would be impossible to
maintain them. 3) All animals represent living biogas plants, and therefore
the fecal matter of animals is the effluent slurry of a biogas plant. The
biogas producing microbes are found universally in the fecal matter of
animals because they exit the animal body along with dung.  4)Even the
anaerobic microbes need oxygen for their metabolism. They extract the
chemically bound oxygen from their feedstock.  Therefore, feedstock of a
biogas plant must have oxygen in its chemical make up. The same is also
true of food eaten by animals. 5)The value called % volatile solids
actually represents the % digestibility of the concerned substance. 6)There
is no justification for laying emphasis on the C/N ratio of a feedstock. 7)
There is no justification for laying emphasis on the hydraulic retention
time of a biogas plant. It is a useless concept. 8) In a biphasic system,
the feedstock is first treated aerobically and then subjected to anaerobic
conditions. This is wrong, because most of the organic carbon, which would
have yielded methane in the anaerobic phase, gets oxidized in the aerobic
phase itself, leading to drastic reduction in the methane yield.

***
Dr. A.D. Karve

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

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

On Mon, Jun 6, 2016 at 6:44 AM, Kelvin masule <kmasule97 at gmail.com> wrote:

> Guys do u have any information about biogas?
>
> _______________________________________________
> 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: Mon, 06 Jun 2016 08:26:26 +0000
From: David <davidf at kingdombio.co.uk>
To: "For Discussion of Anaerobic Digestion"
    <digestion at lists.bioenergylists.org>, kmasule97 at gmail.com
Subject: Re: [Digestion] Hi
Message-ID: <em1dcc6494-efe4-4b28-9e06-06c809b83bf8 at davidandjane>
Content-Type: text/plain; charset="utf-8"; Format="flowed"

Kevin, Hello,

That was the idea of this discussion list. However, Paul Harris, the 
moderator, has been ill, so the list has gone very quiet. The list is 
linked with: https://biogas.wikispaces.com/, which Paul set up to be a 
place where information on biogas could be collected. He included online 
courses which give a brief introduction to the subject. I am not sure 
Paul has been able to keep the information up-to-date.

If you want to learn about biogas in areas apart from Europe and USA, 
you could look at my book: "Small-scale, Rural Biogas Programmes" 
published by Practical Action in January 2015 (also available from 
Amazon). Information on biogas in the developed world can be found at: 
http://www.iea-biogas.net/, the web page of Task 37 of the International 
Energy Authority. The Task 37 team have also written a book: "Biogas 
handbook: Science, production and application", available from their web 
site.

Best wishes,
Dr David Fulford
davidf at kingdombio.co.uk

*******************************************************************************************
  Dr David Fulford MEI, CEnv, Director
    Kingdom Bioenergy Ltd, 15 Brandon Ave, Woodley, Reading RG5 4PU, UK
    Tel: 0118 969 5039, Mob: 07746 806401 e-mail: 
davidf at kingdombio.co.uk
  www.kingdombio.co.uk  Skype: djfulford



------ Original Message ------
From: "Kelvin masule" <kmasule97 at gmail.com>
To: digestion at lists.bioenergylists.org
Sent: 06/06/2016 02:14:55
Subject: [Digestion] Hi

>Guys do u have any information about biogas?
>
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Subject: Digest Footer

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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/



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