Re Re: Re Re: [Green-India] Difference between biomass and biogas (was: Biomass Plant)
chan...@sancharnet.in
There is another distintion, biogas is normally to be produced and consumed locally, while biomass (woody stuff, bagasse brickettes, rice husk etc.) is transportable.
Storage of biogas is a problem, while it is not with biomass.
If Rajasthan Govt. is talking of biomass production, it is primarily talking of firewood plantation, which seems to be the step in right direction.
Regards,
Prof. Ajay Chandak.
--------Original Message -------
If Biogas is better alternative then what is biomass producer gas used
for...I heard the Rajasthan Government is giving a push to the Biomass
production over there...Even many other states like Andhra Pradesh and
others... Why they go for Biomass....Is Biogas production on large scale not
possible????
In which scenario which is better....
Thanks & Regards,
Bharat Agrawal
IBS, Hyderabad
Mob:- 9705813279
Res:- 079-25626115
On Sat, Apr 3, 2010 at 12:30 PM, <chan...@sancharnet.in> wrote:
> I agree, biogas is much better and reliable route. There are around 5-6%
> volatile solids in cowdung get converted to biogas, that we loose when
> cowdung cakes are formed. Biogas is definitely much superior quality fuel
> than solid fuel.
> Regards,
>
> Prof. Ajay Chandak.
>
> --------Original Message -------
> Question for Anand:
> What is the power demand (units per month) that you'd like to offset? And
> what particular advantage do you foresee with the biomass approach? Biogas
> is much cleaner option in my view as it disposes off with the cow dung
> immediately after collection whereas for biomass you'd have to dry the cow
> dung in an open area. Biogas also gives you a good fertilizer in the form
> of
> slurry
>
>
> 1. After the expansion I will be having 35 light points, approximately i
> will be using it for 5 hours in a day and a 2 HP water pump running for
> about 1 hour in a day. at the enterance and for common passage I have a
> solar street light (2 units)
> 2. reason I am exploring the possibility of biomass / biogas is can I
> make use of the dung generated daily in a beneficial way and can there be
> a
> additional source of income / can I reduce my opertaional cost by
> generating
> power. Just want to optimise the resources.
>
>
> On Mon, Mar 29, 2010 at 12:37 PM, Manu Sharma <orang...@gmail.com>
> wrote:
>
> > On Mon, Mar 29, 2010 at 12:19 PM, Ananda Teertha <anite...@gmail.com>
> > wrote:
> >
> >>
> >> Currently with just 20 cows, we used to dry the dung and use it for
> >> heating and cooking purpose. Now with 100 cows, the dung collected will
> be 5
> >> times more and its much more than what we need. [...] So I am looking
> out
> >> for biomass option.
> >>
> >>
> >
> > While it's possible, I have not heard of many applications using dried
> cow
> > dung as feedstock in a biomass gassifier. It would require land and
> manpower
> > to manage too.
> >
> > Question for Anand:
> > What is the power demand (units per month) that you'd like to offset? And
> > what particular advantage do you foresee with the biomass approach?
> Biogas
> > is much cleaner option in my view as it disposes off with the cow dung
> > immediately after collection whereas for biomass you'd have to dry the
> cow
> > dung in an open area. Biogas also gives you a good fertilizer in the form
> of
> > slurry.
> >
> > Question for other experts:
> > Have you heard of this approach and what is your opinion about cost and
> > efficiency of energy generated from the two options consuming the same
> > amount of feedstock.
> >
> > Thanks,
> > Manu
> >
> >
> >
> >
> >
> >> On Mon, Mar 29, 2010 at 10:29 AM, Manu Sharma <orang...@gmail.com
> >wrote:
> >>
> >>> On Sat, Mar 27, 2010 at 3:47 PM, Ananda Teertha <anite...@gmail.com
> >wrote:
> >>>
> >>>>
> >>>> I am exploring the possibilities of setting up a biomass power plant
> for
> >>>> our own use.
> >>>> I have very less or negligible knowledge on this matter.
> >>>> help me out with information on the following
> >>>>
> >>>
> >>> I presume you're referring to biogas based electricity generation since
> >>> you mention that you run a dairy with about 20 cows. The terms biomass
> and
> >>> biogas are sometimes used interchangeably but the two technologies /
> >>> processes are entirely different.
> >>>
> >>> The feedstock for *biomass based electricity generation* is dry
> >>> agricultural waste such as rice husks or wood / branches, etc. The
> process
> >>> of electricity generation involves converting the feedstock into
> producer
> >>> gas which is consumed by an internal combustion engine to generate
> >>> electricity. Alternatively, the material can be burnt directly to
> generate
> >>> steam that runs a turbine.
> >>>
> >>> The feedstock for *biogas based electricity generation* is usually
> >>> cowdung or kitchen waste (generally any wet organic waste can be used).
> This
> >>> goes through an anaerobic digestion process when mixed with water of
> equal
> >>> volume and generates gas which is primarily methane but also has
> significant
> >>> quantity of CO2 and H2S. Electricity generation requires filtering out
> CO2
> >>> and H2S but cooking applications are much simpler as the generated gas
> can
> >>> be used directly.
> >>>
> >>>
> >>>
> >>>> how much land is required for setting up a plant ( I have dairy of 20
> >>>> cows which will be expanded to 100 cows now)
> >>>>
> >>>
> >>> Land requirement for biogas generation is fairly minimal for the sizes
> >>> you mention.
> >>>
> >>>
> >>> can cow dung alone be the raw material
> >>>>
> >>>
> >>> Yes. You can also add kitchen waste if available - usually a much
> richer
> >>> source of biogas.
> >>>
> >>>
> >>>
> >>>> what capacity plant I have to go with this size of raw material
> >>>>
> >>>
> >>> Depends upon the quantity of cow dung available. A 25 cubic meter
> biogas
> >>> digester can accomodate 625 kg cow dung. The formula is 0.04 cu.m per
> kg of
> >>> cow dung.
> >>>
> >>>
> >>>
> >>>> how much will be the cost of setting up the plant
> >>>>
> >>>
> >>> You will have to contact vendors to get quotes.
> >>>
> >>>
> >>>
> >>>> Do i get any subsidy from the government for setting up
> >>>>
> >>>
> >>> Please contact Khadi and Village Industries Commission (KVIC) for
> >>> subsidies currently available.
> >>>
> >>>
> >>> Who will be the power buying agreement
> >>>>
> >>>
> >>> Biogas can be most optimally utilised for heating / cooking purposes.
> >>> Electricity generation from biogas at small scale is usually difficult
> and
> >>> inefficient.
> >>>
> >>>
> >>>
> >>>> Will this be a good business proposal.
> >>>>
> >>>
> >>> Use of biogas for cooking can substitute LPG cylinders and constitute
> >>> attractive savings.
> >>>
> >>>
> >>>
> >>>> Are there any consultants who can take this project of erecting the
> >>>> plant.
> >>>
> >>>
> >>> Yes and you should be able to find a few on this forum itself.
> >>>
> >>> Thanks,
> >>> Manu
> >>>
> >>>
> >>>
> >>> --
> >>> You received this message because you are subscribed to Green-India
> >>> to discuss India's Energy Future and Sustainable Living.
> >>>
> >>> Green-India
> >>> http://green-india.in
> >>>
> >>> Rules and Disclaimer
> >>> http://groups.google.com/group/green-india/web
> >>>
> >>> To unsubscribe, send email to
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> >>> To unsubscribe from this group, send email to green-india+
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> >>>
> >>
> >> --
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> ME" as the subject.
> <div><font color="#6666cc">Question for Anand:</font></div>
> <div><font color="#6666cc">What is the power demand (units per month) that
> you'd like to offset? And what particular advantage do you foresee with the
> biomass approach? Biogas is much cleaner option in my view as it disposes
> off with the cow dung immediately after collection whereas for biomass you'd
> have to dry the cow dung in an open area. Biogas also gives you a good
> fertilizer in the form of slurry</font></div>
>
> <div> </div>
> <div>
> <ol>
> <li>After the expansion I will be having 35 light points, approximately i
> will be using it for 5 hours in a day and a 2 HP water pump running for
> about 1 hour in a day. at the enterance and for common passage I have a
> solar street light (2 units)</li>
>
> <li>reason I am exploring the possibility of biomass / biogas is can I make
> use of the dung generated daily in a beneficial way and can there be a
> additional source of income / can I reduce my opertaional cost by generating
> power. Just want to optimise the resources.</li>
> </ol>
> <div> </div></div>
> <div class="gmail_quote">On Mon, Mar 29, 2010 at 12:37 PM, Manu Sharma
> <span dir="ltr"><<a href="mailto:orang...@gmail.com">
> orang...@gmail.com</a>></span> wrote:<br>
> <blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px
> 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">On Mon, Mar 29, 2010 at 12:19 PM,
> Ananda Teertha <span dir="ltr"><<a href="mailto:anite...@gmail.com"
> target="_blank">anite...@gmail.com</a>></span> wrote:<br>
>
> <blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px
> 0px 0.8ex; BORDER-LEFT: rgb(204,204,204) 1px solid">
> <div> </div>
> <div>Currently with just 20 cows, we used to dry the dung and use it for
> heating and cooking purpose. Now with 100 cows, the dung collected will be 5
> times more and its much more than what we need. [...] So I am looking out
> for biomass option.</div>
>
> <div> </div></blockquote>
> <div><br></div>While it's possible, I have not heard of many applications
> using dried cow dung as feedstock in a biomass gassifier. It would require
> land and manpower to manage too.
> <div><br></div>
> <div>Question for Anand:</div>
> <div>What is the power demand (units per month) that you'd like to offset?
> And what particular advantage do you foresee with the biomass approach?
> Biogas is much cleaner option in my view as it disposes off with the cow
> dung immediately after collection whereas for biomass you'd have to dry the
> cow dung in an open area. Biogas also gives you a good fertilizer in the
> form of slurry.</div>
>
> <div><br></div>
> <div>Question for other experts: </div>
> <div>Have you heard of this approach and what is your opinion about cost
> and efficiency of energy generated from the two options consuming the same
> amount of feedstock.
> <div><br></div>
> <div>Thanks,</div>
> <div>Manu
> <div>
> <div></div>
> <div class="h5"><br>
> <div><br><br>
> <div class="gmail_quote">
> <div> </div>
> <blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px
> 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">
> <div></div>
> <div class="gmail_quote">
> <div>
> <div></div>
> <div>On Mon, Mar 29, 2010 at 10:29 AM, Manu Sharma <span dir="ltr"><<a
> href="mailto:orang...@gmail.com" target="_blank">orang...@gmail.com</a>></span>
> wrote:<br></div></div>
> <blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px
> 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">
> <div>
> <div></div>
> <div>On Sat, Mar 27, 2010 at 3:47 PM, Ananda Teertha <span dir="ltr"><<a
> href="mailto:anite...@gmail.com" target="_blank">anite...@gmail.com</a>></span>
> wrote:
> <div class="gmail_quote">
> <blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px
> 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">
> <div> </div>
> <div>I am exploring the possibilities of setting up a biomass power plant
> for our own use.</div>
> <div>I have very less or negligible knowledge on this matter.</div>
> <div>help me out with information on the following</div></blockquote>
> <div><br></div>
> <div>I presume you're referring to biogas based electricity generation
> since you mention that you run a dairy with about 20 cows. The terms biomass
> and biogas are sometimes used interchangeably but the two technologies /
> processes are entirely different. </div>
>
> <div><br></div>
> <div>The feedstock for <b>biomass based electricity generation</b> is dry
> agricultural waste such as rice husks or wood / branches, etc. The process
> of electricity generation involves converting the feedstock into producer
> gas which is consumed by an internal combustion engine to generate
> electricity. Alternatively, the material can be burnt directly to generate
> steam that runs a turbine.</div>
>
> <div><br></div>
> <div>The feedstock for <b>biogas based electricity generation</b> is
> usually cowdung or kitchen waste (generally any wet organic waste can be
> used). This goes through an anaerobic digestion process when mixed with
> water of equal volume and generates gas which is primarily methane but also
> has significant quantity of CO2 and H2S. Electricity generation requires
> filtering out CO2 and H2S but cooking applications are much simpler as the
> generated gas can be used directly.</div>
>
> <div><br></div>
> <div> </div>
> <blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px
> 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">
> <div></div>how much land is required for setting up a plant ( I have dairy
> of 20 cows which will be expanded to 100 cows now)<br></blockquote>
> <div> </div>
> <div>Land requirement for biogas generation is fairly minimal for the sizes
> you mention.</div>
> <div><br></div>
> <div><br></div>
> <blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px
> 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">can cow dung alone be the raw
> material<br></blockquote>
> <div><br></div>
> <div>Yes. You can also add kitchen waste if available - usually a much
> richer source of biogas. </div>
> <div><br></div>
> <div> </div>
> <blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px
> 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">what capacity plant I have to go
> with this size of raw material<br></blockquote>
> <div><br></div>
> <div>Depends upon the quantity of cow dung available. A 25 cubic meter
> biogas digester can accomodate 625 kg cow dung. The formula is 0.04 cu.m per
> kg of cow dung.</div>
> <div><br></div>
> <div> </div>
> <blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px
> 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">how much will be the cost of setting
> up the plant<br></blockquote>
> <div><br></div>
> <div>You will have to contact vendors to get quotes. </div>
> <div><br></div>
> <div> </div>
> <blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px
> 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">Do i get any subsidy from the
> government for setting up<br></blockquote>
> <div> </div>
> <div>Please contact Khadi and Village Industries Commission (KVIC) for
> subsidies currently available. </div>
> <div><br></div>
> <div><br></div>
> <blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px
> 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">Who will be the power buying
> agreement<br></blockquote>
> <div><br></div>
> <div>Biogas can be most optimally utilised for heating / cooking purposes.
> Electricity generation from biogas at small scale is usually difficult and
> inefficient. </div>
> <div><br></div>
> <div> </div>
> <blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px
> 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">Will this be a good business
> proposal.<br></blockquote>
> <div><br></div>
> <div>Use of biogas for cooking can substitute LPG cylinders and constitute
> attractive savings. </div>
> <div><br></div>
> <div> </div>
> <blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px
> 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">Are there any consultants who can
> take this project of erecting the plant.</blockquote>
> <div> </div>
> <div>Yes and you should be able to find a few on this forum itself.</div>
> <div><br></div>
> <div>Thanks,</div>
> <div>Manu</div>
> <div><br></div>
> <div><br></div>
> <div><br></div></div>
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If Biogas is better alternative then what is biomass producer gas used for...I heard the Rajasthan Government is giving a push to the Biomass production over there...Even many other states like Andhra Pradesh and others... Why they go for Biomass....Is Biogas production on large scale not possible????<div>
<br><div>In which scenario which is better....</div><div><div><br></div><div>Thanks & Regards,<br><br>Bharat Agrawal<br>IBS, Hyderabad<br>Mob:- 9705813279<br>Res:- 079-25626115<br>
<br><br><div class="gmail_quote">On Sat, Apr 3, 2010 at 12:30 PM, <span dir="ltr"><<a href="mailto:chan...@sancharnet.in">chan...@sancharnet.in</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
I agree, biogas is much better and reliable route. There are around 5-6% volatile solids in cowdung get converted to biogas, that we loose when cowdung cakes are formed. Biogas is definitely much superior quality fuel than solid fuel.<br>
Regards,<br>
<br>
Prof. Ajay Chandak.<br>
<br>
--------Original Message -------<br>
Question for Anand:<br>
What is the power demand (units per month) that you'd like to offset? And<br>
what particular advantage do you foresee with the biomass approach? Biogas<br>
is much cleaner option in my view as it disposes off with the cow dung<br>
immediately after collection whereas for biomass you'd have to dry the cow<br>
dung in an open area. Biogas also gives you a good fertilizer in the form of<br>
slurry<br>
<br>
<br>
1. After the expansion I will be having 35 light points, approximately i<br>
will be using it for 5 hours in a day and a 2 HP water pump running for<br>
about 1 hour in a day. at the enterance and for common passage I have a<br>
solar street light (2 units)<br>
2. reason I am exploring the possibility of biomass / biogas is can I<br>
make use of the dung generated daily in a beneficial way and can there be a<br>
additional source of income / can I reduce my opertaional cost by generating<br>
power. Just want to optimise the resources.<br>
<br>
<br>
On Mon, Mar 29, 2010 at 12:37 PM, Manu Sharma <<a href="mailto:orang...@gmail.com">orang...@gmail.com</a>> wrote:<br>
<br>
> On Mon, Mar 29, 2010 at 12:19 PM, Ananda Teertha <<a href="mailto:anite...@gmail.com">anite...@gmail.com</a>><br>
> wrote:<br>
><br>
>><br>
>> Currently with just 20 cows, we used to dry the dung and use it for<br>
>> heating and cooking purpose. Now with 100 cows, the dung collected will be 5<br>
>> times more and its much more than what we need. [...] So I am looking out<br>
>> for biomass option.<br>
>><br>
>><br>
><br>
> While it's possible, I have not heard of many applications using dried cow<br>
> dung as feedstock in a biomass gassifier. It would require land and manpower<br>
> to manage too.<br>
><br>
> Question for Anand:<br>
> What is the power demand (units per month) that you'd like to offset? And<br>
> what particular advantage do you foresee with the biomass approach? Biogas<br>
> is much cleaner option in my view as it disposes off with the cow dung<br>
> immediately after collection whereas for biomass you'd have to dry the cow<br>
> dung in an open area. Biogas also gives you a good fertilizer in the form of<br>
> slurry.<br>
><br>
> Question for other experts:<br>
> Have you heard of this approach and what is your opinion about cost and<br>
> efficiency of energy generated from the two options consuming the same<br>
> amount of feedstock.<br>
><br>
> Thanks,<br>
> Manu<br>
><br>
><br>
><br>
><br>
><br>
>> On Mon, Mar 29, 2010 at 10:29 AM, Manu Sharma <<a href="mailto:orang...@gmail.com">orang...@gmail.com</a>>wrote:<br>
>><br>
>>> On Sat, Mar 27, 2010 at 3:47 PM, Ananda Teertha <<a href="mailto:anite...@gmail.com">anite...@gmail.com</a>>wrote:<br>
>>><br>
>>>><br>
>>>> I am exploring the possibilities of setting up a biomass power plant for<br>
>>>> our own use.<br>
>>>> I have very less or negligible knowledge on this matter.<br>
>>>> help me out with information on the following<br>
>>>><br>
>>><br>
>>> I presume you're referring to biogas based electricity generation since<br>
>>> you mention that you run a dairy with about 20 cows. The terms biomass and<br>
>>> biogas are sometimes used interchangeably but the two technologies /<br>
>>> processes are entirely different.<br>
>>><br>
>>> The feedstock for *biomass based electricity generation* is dry<br>
>>> agricultural waste such as rice husks or wood / branches, etc. The process<br>
>>> of electricity generation involves converting the feedstock into producer<br>
>>> gas which is consumed by an internal combustion engine to generate<br>
>>> electricity. Alternatively, the material can be burnt directly to generate<br>
>>> steam that runs a turbine.<br>
>>><br>
>>> The feedstock for *biogas based electricity generation* is usually<br>
>>> cowdung or kitchen waste (generally any wet organic waste can be used). This<br>
>>> goes through an anaerobic digestion process when mixed with water of equal<br>
>>> volume and generates gas which is primarily methane but also has significant<br>
>>> quantity of CO2 and H2S. Electricity generation requires filtering out CO2<br>
>>> and H2S but cooking applications are much simpler as the generated gas can<br>
>>> be used directly.<br>
>>><br>
>>><br>
>>><br>
>>>> how much land is required for setting up a plant ( I have dairy of 20<br>
>>>> cows which will be expanded to 100 cows now)<br>
>>>><br>
>>><br>
>>> Land requirement for biogas generation is fairly minimal for the sizes<br>
>>> you mention.<br>
>>><br>
>>><br>
>>> can cow dung alone be the raw material<br>
>>>><br>
>>><br>
>>> Yes. You can also add kitchen waste if available - usually a much richer<br>
>>> source of biogas.<br>
>>><br>
>>><br>
>>><br>
>>>> what capacity plant I have to go with this size of raw material<br>
>>>><br>
>>><br>
>>> Depends upon the quantity of cow dung available. A 25 cubic meter biogas<br>
>>> digester can accomodate 625 kg cow dung. The formula is 0.04 cu.m per kg of<br>
>>> cow dung.<br>
>>><br>
>>><br>
>>><br>
>>>> how much will be the cost of setting up the plant<br>
>>>><br>
>>><br>
>>> You will have to contact vendors to get quotes.<br>
>>><br>
>>><br>
>>><br>
>>>> Do i get any subsidy from the government for setting up<br>
>>>><br>
>>><br>
>>> Please contact Khadi and Village Industries Commission (KVIC) for<br>
>>> subsidies currently available.<br>
>>><br>
>>><br>
>>> Who will be the power buying agreement<br>
>>>><br>
>>><br>
>>> Biogas can be most optimally utilised for heating / cooking purposes.<br>
>>> Electricity generation from biogas at small scale is usually difficult and<br>
>>> inefficient.<br>
>>><br>
>>><br>
>>><br>
>>>> Will this be a good business proposal.<br>
>>>><br>
>>><br>
>>> Use of biogas for cooking can substitute LPG cylinders and constitute<br>
>>> attractive savings.<br>
>>><br>
>>><br>
>>><br>
>>>> Are there any consultants who can take this project of erecting the<br>
>>>> plant.<br>
>>><br>
>>><br>
>>> Yes and you should be able to find a few on this forum itself.<br>
>>><br>
>>> Thanks,<br>
>>> Manu<br>
>>><br>
>>><br>
>>><br>
>>> --<br>
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<div><font color="#6666cc">Question for Anand:</font></div><br>
<div><font color="#6666cc">What is the power demand (units per month) that you'd like to offset? And what particular advantage do you foresee with the biomass approach? Biogas is much cleaner option in my view as it disposes off with the cow dung immediately after collection whereas for biomass you'd have to dry the cow dung in an open area. Biogas also gives you a good fertilizer in the form of slurry</font></div><br>
<br>
<div> </div><br>
<div><br>
<ol><br>
<li>After the expansion I will be having 35 light points, approximately i will be using it for 5 hours in a day and a 2 HP water pump running for about 1 hour in a day. at the enterance and for common passage I have a solar street light (2 units)</li><br>
<br>
<li>reason I am exploring the possibility of biomass / biogas is can I make use of the dung generated daily in a beneficial way and can there be a additional source of income / can I reduce my opertaional cost by generating power. Just want to optimise the resources.</li><br>
</ol><br>
<div> </div></div><br>
<div class="gmail_quote">On Mon, Mar 29, 2010 at 12:37 PM, Manu Sharma <span dir="ltr"><<a href="mailto:<a href="mailto:orang...@gmail.com">orang...@gmail.com</a>"><a href="mailto:orang...@gmail.com">orang...@gmail.com</a></a>></span> wrote:<br><br>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">On Mon, Mar 29, 2010 at 12:19 PM, Ananda Teertha <span dir="ltr"><<a href="mailto:<a href="mailto:anite...@gmail.com">anite...@gmail.com</a>" target="_blank"><a href="mailto:anite...@gmail.com">anite...@gmail.com</a></a>></span> wrote:<br><br>
<br>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: rgb(204,204,204) 1px solid"><br>
<div> </div><br>
<div>Currently with just 20 cows, we used to dry the dung and use it for heating and cooking purpose. Now with 100 cows, the dung collected will be 5 times more and its much more than what we need. [...] So I am looking out for biomass option.</div><br>
<br>
<div> </div></blockquote><br>
<div><br></div>While it's possible, I have not heard of many applications using dried cow dung as feedstock in a biomass gassifier. It would require land and manpower to manage too. <br>
<div><br></div><br>
<div>Question for Anand:</div><br>
<div>What is the power demand (units per month) that you'd like to offset? And what particular advantage do you foresee with the biomass approach? Biogas is much cleaner option in my view as it disposes off with the cow dung immediately after collection whereas for biomass you'd have to dry the cow dung in an open area. Biogas also gives you a good fertilizer in the form of slurry.</div><br>
<br>
<div><br></div><br>
<div>Question for other experts: </div><br>
<div>Have you heard of this approach and what is your opinion about cost and efficiency of energy generated from the two options consuming the same amount of feedstock. <br>
<div><br></div><br>
<div>Thanks,</div><br>
<div>Manu<br>
<div><br>
<div></div><br>
<div class="h5"><br><br>
<div><br><br><br>
<div class="gmail_quote"><br>
<div> </div><br>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid"><br>
<div></div><br>
<div class="gmail_quote"><br>
<div><br>
<div></div><br>
<div>On Mon, Mar 29, 2010 at 10:29 AM, Manu Sharma <span dir="ltr"><<a href="mailto:<a href="mailto:orang...@gmail.com">orang...@gmail.com</a>" target="_blank"><a href="mailto:orang...@gmail.com">orang...@gmail.com</a></a>></span> wrote:<br></div></div><br>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid"><br>
<div><br>
<div></div><br>
<div>On Sat, Mar 27, 2010 at 3:47 PM, Ananda Teertha <span dir="ltr"><<a href="mailto:<a href="mailto:anite...@gmail.com">anite...@gmail.com</a>" target="_blank"><a href="mailto:anite...@gmail.com">anite...@gmail.com</a></a>></span> wrote:<br>
<div class="gmail_quote"><br>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid"><br>
<div> </div><br>
<div>I am exploring the possibilities of setting up a biomass power plant for our own use.</div><br>
<div>I have very less or negligible knowledge on this matter.</div><br>
<div>help me out with information on the following</div></blockquote><br>
<div><br></div><br>
<div>I presume you're referring to biogas based electricity generation since you mention that you run a dairy with about 20 cows. The terms biomass and biogas are sometimes used interchangeably but the two technologies / processes are entirely different. </div><br>
<br>
<div><br></div><br>
<div>The feedstock for <b>biomass based electricity generation</b> is dry agricultural waste such as rice husks or wood / branches, etc. The process of electricity generation involves converting the feedstock into producer gas which is consumed by an internal combustion engine to generate electricity. Alternatively, the material can be burnt directly to generate steam that runs a turbine.</div><br>
<br>
<div><br></div><br>
<div>The feedstock for <b>biogas based electricity generation</b> is usually cowdung or kitchen waste (generally any wet organic waste can be used). This goes through an anaerobic digestion process when mixed with water of equal volume and generates gas which is primarily methane but also has significant quantity of CO2 and H2S. Electricity generation requires filtering out CO2 and H2S but cooking applications are much simpler as the generated gas can be used directly.</div><br>
<br>
<div><br></div><br>
<div> </div><br>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid"><br>
<div></div>how much land is required for setting up a plant ( I have dairy of 20 cows which will be expanded to 100 cows now)<br></blockquote><br>
<div> </div><br>
<div>Land requirement for biogas generation is fairly minimal for the sizes you mention.</div><br>
<div><br></div><br>
<div><br></div><br>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">can cow dung alone be the raw material<br></blockquote><br>
<div><br></div><br>
<div>Yes. You can also add kitchen waste if available - usually a much richer source of biogas. </div><br>
<div><br></div><br>
<div> </div><br>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">what capacity plant I have to go with this size of raw material<br></blockquote><br>
<div><br></div><br>
<div>Depends upon the quantity of cow dung available. A 25 cubic meter biogas digester can accomodate 625 kg cow dung. The formula is 0.04 cu.m per kg of cow dung.</div><br>
<div><br></div><br>
<div> </div><br>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">how much will be the cost of setting up the plant<br></blockquote><br>
<div><br></div><br>
<div>You will have to contact vendors to get quotes. </div><br>
<div><br></div><br>
<div> </div><br>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">Do i get any subsidy from the government for setting up<br></blockquote><br>
<div> </div><br>
<div>Please contact Khadi and Village Industries Commission (KVIC) for subsidies currently available. </div><br>
<div><br></div><br>
<div><br></div><br>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">Who will be the power buying agreement<br></blockquote><br>
<div><br></div><br>
<div>Biogas can be most optimally utilised for heating / cooking purposes. Electricity generation from biogas at small scale is usually difficult and inefficient. </div><br>
<div><br></div><br>
<div> </div><br>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">Will this be a good business proposal.<br></blockquote><br>
<div><br></div><br>
<div>Use of biogas for cooking can substitute LPG cylinders and constitute attractive savings. </div><br>
<div><br></div><br>
<div> </div><br>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">Are there any consultants who can take this project of erecting the plant.</blockquote><br>
<div> </div><br>
<div>Yes and you should be able to find a few on this forum itself.</div><br>
<div><br></div><br>
<div>Thanks,</div><br>
<div>Manu</div><br>
<div><br></div><br>
<div><br></div><br>
<div><br></div></div><br>
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