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

[Greg Manning]

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<http://en.wikipedia.org/wiki/Pascal_(unit)>
>  (2,200–3,600 psi <http://en.wikipedia.org/wiki/Pounds_per_square_inch>)
> or 150–250 bar <http://en.wikipedia.org/wiki/Bar_(unit)> and between
> 300–550 °C (572–1,022 °F), as the gases are passed over four beds of
> catalyst <http://en.wikipedia.org/wiki/Catalyst>, with cooling between
> each pass so as to maintain a reasonable equilibrium constant<http://en.wikipedia.org/wiki/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]<http://en.wikipedia.org/wiki/Haber_process#cite_note-Appl-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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