[Gasification] coal coocking

[Tom Miles]

Nils,

Thank you very much for the link. As you know I have been working with Elsam
and E2 on straw co-firing for several years. I last visited the IBUS pilot
facilities in October 2004. Their site has improved. We have been promoting
integrated use like this since about 1976 so it's nice to see it actually
happening. 

I'm sure they have included a fee for the farmer as they do in their straw
burning contracts but I can't remember how much. I think the cost to
harvest, store and deliver straw to a power plant in Denmark is similar to
our costs here, between $35 and $50/ton (short ton).

Tom

>_____________________________________________ 
>From: 	astrupgaard [mailto:astrupgaard at c.dk] 
>Sent:	Thursday, September 28, 2006 1:29 AM
>To:	'Tom Miles'; 'AJH'
>Cc:	gasification at listserv.repp.org
>Subject:	RE: [Gasification] coal coocking
>
>
>Tom
>Maybe you should look at the IBUS or the Maxifuels projects. Former ELSAM
>and Energy E2 - now both under DONG Energy head the demonstration
>activities together with DTU, Novozymes and other internationally known
>partners.
>http://www.bioethanol.info/IAM/ibus_IAM.html or
>http://www.biofuels.dk/Maxifuels.htm
>
>
>They cook the straw or MSW or…? - continuously - expand/open it during
>pressure release. They ferment and make bioethanol, fertilizer and charcoal
>without all the alkali, chlorine etc. - very suitable as fuel in the
>powerboiler or for that sake in other boilers or stoves.
>
>Best regards/Med venlig hilsen
>ENVIPOWER AS
>
>Nils Peter Astrupgaard
>Snerlevej 1 DK-2800 Kgs. Lyngby
>+45 4061 5600
>npa at envipower.dk
>
>
>
>
>
>
>-----Original Message-----
>From: gasification-bounces at listserv.repp.org
>[mailto:gasification-bounces at listserv.repp.org] On Behalf Of Tom Miles
>Sent: 28. september 2006 00:02
>To: 'AJH'
>Cc: gasification at listserv.repp.org
>Subject: Re: [Gasification] coal coocking
>
>Is this going to lead us back to Changing World Technologies Thermal
>conversion Process of "thermal depolymerization"?
>http://www.changingworldtech.com/what/index.asp Chicken feathers!
>
>See http://www1.eere.energy.gov/biomass/pyrolysis.html
>
>ECN (Netherlands) has evaluated biomass hydrogasification for SNG
>production. "They evaluated the SNG production by means of
>hydrogasification. In the hydrogasification process, hydrogen is fed
>together with biomass to an autothermal gasifier at 30 bars. The hydrogen
>is to be supplied by industrial rest streams. The
>energy input of the incoming hydrogen is about the same as the thermal
>input of the biomass.
>For a 50 MW plant a production price of 22 €ct/ Nm3 was calculated."
>
>H. Mozaffarian, R. Zwart; Feasibility of SNG production by biomass
>hydrogasification,
>Proceedings 12 th European Conference and technology exhibition on biomass
>for energy,
>industry and climate protection,p520, 2002 Amsterdam. 
>
>For coal see ZECA Corporation (former Zero Emission Coal Alliance)
>http://www.zeca.org/overview/gasification.html 
>
>
>-----Original Message-----
>From: AJH [mailto:list at sylva.icuklive.co.uk] 
>Sent: Wednesday, September 27, 2006 2:34 PM
>To: Tom Miles
>Cc: gasification at listserv.repp.org
>Subject: Re: [Gasification] coal coocking
>
>On Wed, 27 Sep 2006 10:02:20 -0700, Tom Miles wrote:
>
>>The process looks similar to hydrothermal gasification which was 
>>extensively investigated in the 1990s.
>
>Ian Bywater used a hydrolysis method that seemed to have the same basic
>method for his convertech New Zealand firm, now not trading though Ian is
>still active. He claimed his process was  autothermal or autolysis which I
>took to mean it required no additional chemicals or heat input. His process
>yielded oils though.
>
>AJH
>
>
>
>
>
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