[Gasification] Tennessee company - pyrolysis biochar + hydrogen ($1.75 per gallon diesel-equivalent?)

Thu May 15 19:52:17 CDT 2014

Dear Art,
thanks for the appreciation of our work.
Yours
A.D.Karve

On Thu, May 15, 2014 at 6:31 AM, Art Krenzel <phoenix98604 at msn.com> wrote:
> Dr. Karve,
>
> I think you have the "People's Answer"- distributed energy made from
> recycled organic materials.  Your work is very important to many people
> around the world.  I salute you and your work.
>
> Art
>
>
>
>
>
>
>
>
>
>
>> Date: Wed, 14 May 2014 23:26:08 +0530
>
>> From: adkarve at gmail.com
>> To: gasification at lists.bioenergylists.org
>> Subject: Re: [Gasification] Tennessee company - pyrolysis biochar +
>> hydrogen ($1.75 per gallon diesel-equivalent?)
>>
>> Dear Art,
>> yes I agree with you, that using methane from natural gas would make
>> the process simpler and cheaper than using coal. Besides, using coal
>> would also involve getting rid of ash. Perhaps, one can produce
>> enough methane from agricultural and urban waste, which would make it
>> a carbon neutral process.
>> Yours
>> A.D.Karve
>>
>> On Wed, May 14, 2014 at 12:37 PM, Art Krenzel <phoenix98604 at msn.com>
>> wrote:
>> > Dr. Karve,
>> >
>> > Being able to technically generate hydrogen using incandescent carbon in
>> > a
>> > water gas reaction does not make the process economically competitive.
>> > Typically, the use of incandescent carbon is a batch, cyclic process
>> > which
>> > produces pulses of gases which vary in purity over each cycle
>> >
>> > Compare the economics of using a batch feedstock which has a variable
>> > composition to one which has a very pure, low cost feedstock (CH4) day
>> > in
>> > and day out. As a process designer, you can readily see that even
>> > through
>> > the chemistry works out to generate hydrogen using incandescent carbon,
>> > the
>> > day to day practicality of operating a multistage process with such a
>> > variable feedstock is much more difficult and more expensive.
>> >
>> > Art
>> >
>> >
>> >
>> >
>> >> Date: Tue, 13 May 2014 06:34:07 +0530
>> >> From: adkarve at gmail.com
>> >> To: gasification at lists.bioenergylists.org
>> >
>> >> Subject: Re: [Gasification] Tennessee company - pyrolysis biochar +
>> >> hydrogen ($1.75 per gallon diesel-equivalent?)
>> >>
>> >> Dear Art,
>> >> I am not a chemist but I feel that we can also separate the hydrogen
>> >> from water gas. India is the world's third largest producer of
>> >> chemical fertilizers and I am quite sure that the Indian fertilizer
>> >> producers also use natural gas as their source of hydrogen. India
>> >> generates annually about 800 million tonnes of agricultural waste,
>> >> which can serve as the source to produce charcoal. This charcoal would
>> >> have the same amount of energy as all the petroleum that we import.
>> >> We have developed charring kilns for charring light biomass into a
>> >> powdery charcoal. currently we briquette it and use it as domestic
>> >> fuel. We have also made water gas from our char and demonstrated its
>> >> use as fuel.
>> >> Yours
>> >> A.D.Karve
>> >>
>> >> On Mon, May 12, 2014 at 10:46 AM, Greg Manning <a31ford at gmail.com>
>> >> wrote:
>> >> > Art
>> >> >
>> >> > Thank you for the explanation,
>> >> >
>> >> > I knew they used natural gas, but had no idea of the process.
>> >> >
>> >> > Greg Manning
>> >> >
>> >> >
>> >> > On Sun, May 11, 2014 at 9:28 PM, Art Krenzel <phoenix98604 at msn.com>
>> >> > wrote:
>> >> >>
>> >> >> Dr. Karve,
>> >> >>
>> >> >> The Haber Bosch Process is used to convert hydrogen from natural gas
>> >> >> and
>> >> >> nitrogen from air into ammonia. Yes, it is an energy intensive
>> >> >> process.
>> >> >>
>> >> >> See: http://en.wikipedia.org/wiki/Haber_process
>> >> >>
>> >> >> This conversion is typically conducted at 15-25 MPa (2,200-3,600
>> >> >> psi)
>> >> >> or
>> >> >> 150-250 bar and between 300-550 °C (572-1,022 °F), as the gases are
>> >> >> passed
>> >> >> over four beds of catalyst, with cooling between each pass so as to
>> >> >> maintain
>> >> >> a reasonable equilibrium constant. On each pass only about 15%
>> >> >> conversion
>> >> >> occurs, but any unreacted gases are recycled, and eventually an
>> >> >> overall
>> >> >> conversion of 97% is achieved.[1]
>> >> >>
>> >> >> Art Krenzel
>> >> >>
>> >> >>
>> >> >>
>> >> >>
>> >> >> > Date: Mon, 12 May 2014 07:29:51 +0530
>> >> >> > From: adkarve at gmail.com
>> >> >> > To: biochar-policy at yahoogroups.com;
>> >> >> > gasification at lists.bioenergylists.org
>> >> >> > Subject: Re: [Gasification] Tennessee company - pyrolysis biochar
>> >> >> > +
>> >> >> > hydrogen ($1.75 per gallon diesel-equivalent?)
>> >> >>
>> >> >> >
>> >> >> > Dear Greg,
>> >> >> > the major component of natural gas is methane. How does the
>> >> >> > fertilizer
>> >> >> > industry separate out hydrogen from methane? The process must be
>> >> >> > consuming a lot of energy.
>> >> >> > Yours
>> >> >> > A.D.Karve
>> >> >> >
>> >> >> > On Sun, May 11, 2014 at 9:02 AM, Anand Karve <adkarve at gmail.com>
>> >> >> > wrote:
>> >> >> > > Dear List,
>> >> >> > > Already in the first decade of the last century, Haber in
>> >> >> > > Germany
>> >> >> > > developed a process for making ammonia by combining nitrogen in
>> >> >> > > the
>> >> >> > > air with hydrogen. I was told that this process is used even
>> >> >> > > today
>> >> >> > > by
>> >> >> > > fertilizer manufacturers. Where does the fertilizer industry get
>> >> >> > > its
>> >> >> > > hydrogen from?
>> >> >> > > Yours
>> >> >> > > A.D.Karve
>> >> >> > >
>> >> >> > > On Fri, May 9, 2014 at 8:59 PM, John Bonitz
>> >> >> > > john.bonitz at gmail.com
>> >> >> > > [biochar-policy] <biochar-policy at yahoogroups.com> wrote:
>> >> >> > >>
>> >> >> > >>
>> >> >> > >> Return of the Pyromaniax: Proton Power and its hydrous
>> >> >> > >> pyrolysis
>> >> >> > >> process for
>> >> >> > >> super low-cost hydrogen, by Jim Lane, May 8, 2014
>> >> >> > >>
>> >> >> > >>
>> >> >> > >>
>> >> >> > >>
>> >> >> > >> http://www.biofuelsdigest.com/bdigest/2014/05/08/return-of-the-pyromaniax-proton-power-and-its-hydrous-pyrolysis-process-for-super-low-cost-hydrogen/
>> >> >> > >>
>> >> >> > >>
>> >> >> > >>
>> >> >> > >> John Bonitz
>> >> >> > >> Pittsboro, NC
>> >> >> > >>
>> >> >> > >> 919-360-2492 | LinkedIn
>> >> >> > >>
>> >> >> > >> ~~~~~~~~~~~~~
>> >> >> > >>
>> >> >> > >>
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>> >> >> > >>
>> >> >> > >
>> >> >> > >
>> >> >> > >
>> >> >> > > --
>> >> >> > > ***
>> >> >> > > Dr. A.D. Karve
>> >> >> > > Trustee & Founder President, Appropriate Rural Technology
>> >> >> > > Institute
>> >> >> > > (ARTI)
>> >> >> >
>> >> >> >
>> >> >> >
>> >> >> > --
>> >> >> > ***
>> >> >> > Dr. A.D. Karve
>> >> >> > Trustee & Founder President, Appropriate Rural Technology
>> >> >> > Institute
>> >> >> > (ARTI)
>> >> >> >
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>> >> >>
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>> >> >>
>> >> >
>> >> >
>> >> > _______________________________________________
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>> >>
>> >>
>> >>
>> >> --
>> >> ***
>> >> Dr. A.D. Karve
>> >> Trustee & Founder President, Appropriate Rural Technology Institute
>> >> (ARTI)
>> >>
>> >> _______________________________________________
>> >> Gasification mailing list
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>> >>
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>> >> http://gasifiers.bioenergylists.org/
>> >
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>> >
>>
>>
>>
>> --
>> ***
>> Dr. A.D. Karve
>> Trustee & Founder President, Appropriate Rural Technology Institute (ARTI)
>>
>> _______________________________________________
>> Gasification mailing list
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>
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>

-- 
***
Dr. A.D. Karve
Trustee & Founder President, Appropriate Rural Technology Institute (ARTI)