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 <[email protected]> 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: [email protected] > > To: [email protected]; > [email protected] > > 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 <[email protected]> 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 [email protected] > > > [biochar-policy] <[email protected]> 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 > > >> > > >> ~~~~~~~~~~~~~ > > >> > > >> > > >> _______________________________________________ > > >> Gasification mailing list > > >> > > >> to Send a Message to the list, use the email address > > >> [email protected] > > >> > > >> to UNSUBSCRIBE or Change your List Settings use the web page > > >> > http://lists.bioenergylists.org/mailman/listinfo/gasification_lists.bioenergylists.org > > >> > > >> for more Gasifiers, News and Information see our web site: > > >> http://gasifiers.bioenergylists.org/ > > >> > > > > > > > > > > > > -- > > > *** > > > Dr. A.D. Karve > > > Trustee & Founder President, Appropriate Rural Technology Institute > (ARTI) > > > > > > > > -- > > *** > > Dr. A.D. Karve > > Trustee & Founder President, Appropriate Rural Technology Institute > (ARTI) > > > > _______________________________________________ > > Gasification mailing list > > > > to Send a Message to the list, use the email address > > [email protected] > > > > to UNSUBSCRIBE or Change your List Settings use the web page > > > http://lists.bioenergylists.org/mailman/listinfo/gasification_lists.bioenergylists.org > > > > for more Gasifiers, News and Information see our web site: > > http://gasifiers.bioenergylists.org/ > > _______________________________________________ > Gasification mailing list > > to Send a Message to the list, use the email address > [email protected] > > to UNSUBSCRIBE or Change your List Settings use the web page > > http://lists.bioenergylists.org/mailman/listinfo/gasification_lists.bioenergylists.org > > for more Gasifiers, News and Information see our web site: > http://gasifiers.bioenergylists.org/ > >
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