[Digestion] Anaerobic digestion turn key contractors in India, preferably Delhi area

Tue May 15 16:19:14 CDT 2012

AD

I was at the WREF conference with Ron Larson and very much enjoyed seeing Pria again. 

Kind regards,

Tom

T R Miles Technical Consultants Inc. 503-780-8185
tmiles at trmiles.com
Sent from mobile. 

On May 15, 2012, at 3:18 PM, Anand Karve <adkarve at gmail.com> wrote:

> Dear Mr. Short,
> do you wish to convert the organic fraction into methane or carbon dioxide? Nisargaruna is a biphasic system, in which the material is first subjected to aerobic digestion, using water preheated by a solar water heating system. The aerobically digested material is then introduced into an anaerobic chamber to get methane out of it. In this process, the more easily digested fraction, which would have normally produced methane under anaerobic conditions, gets oxidised to carbon dioxide in the aerobic phase itself, so that only the difficult-to-digest part goes into the anaerobic phase to yield a bit of methane. The figures that I got from a lecture by Dr. Kale (which I attended about 7 years ago) was that Nisargaruna yielded only about 1% methane on the basis of the dry weight of the organic matter introduced into it. After hearing Dr. Kale, I felt that it was too much of a bother and too much of an expense to get such a low yield of methane. It might be more economical to have only the aerobic phase, just oxidise the organic matter into carbon dioxide and water, and to use the water along with the dissolved mineral components for irrigating plants to save on fertilizer. 
> Yours
> A.D.Karve
> On Tue, May 15, 2012 at 10:44 AM, davidf at kingdombio.co.uk Fulford <davidf at kingdombio.co.uk> wrote:
> Dear Aiden Short and listers, 
> 
> Look at the Nisargruna system developed by BARC in Mumbai (see www.barc.ernet.in ). There are several groups seeking to commercialise this system in India. Dr Kale of BARC can advise you.
> 
> Best wishes, 
> David F 
> 
> ********************************************************************
> Dr David Fulford CEnv MEI, 15, Brandon Ave, Woodley, Reading RG5 4PU
> d.j.fulford at btinternet.com, Tel: +44(0)118 326 9779 Mob: +44(0)7746 806401
> Kingdom Bioenergy Ltd, www.kingdombio.com, davidf at kindombio.com
> Skype Identity: djfulford
> 
> 
> From: "Aiden Short" <aidenshort at gmail.com>
> Sent: 15 May 2012 02:09
> To: Digestion at bioenergylists.org
> 
> Subject: [Digestion] Anaerobic digestion turn key contractors in India, preferably Delhi area
> 
> 
> Hello,
> 
> The connection to this list was provided to me by Christian Lohri of EAWAG.
> 
> I am in the process of designing a 12 TPD Materials Recovery Facility for the municipality of Gurgaon, an outskirt of Delhi. I am hoping of treating the organic fraction of this waste (an estimated 6 TPD) through anaerobic digestion. I am therefore looking for any contractor who may be able to work on a design and implementation scheme for an anaerobic digestion plant in Gurgaon. It would be preferable if the contractor had experience of plants of similar size. 
> 
> I would be grateful for any assistance you may be able to provide and look forward to hearing back from you soon
> 
> -- 
> Aiden Short
> Technical Adviser
> Chintan Environmental Research and Action Group
> C14 Second Floor
> Lajpat Nagar
> Delhi
> India
> +918445738592
> 
> 
> 
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> 
> -- 
> ***
> Dr. A.D. Karve
> Trustee & Founder President, Appropriate Rural Technology Institute (ARTI)
> 
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> for more information about digestion, see
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> and the Biogas Wiki http://biogas.wikispaces.com/
> 
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