Thanks Sam. I was close. Kelly On May 16, 2014 10:40 PM, "Sam C Weaver" <[email protected]> wrote:
> Kelly, > > Actually we heat to about 1000C but discharge at about 500C. > > Thanks, > > Sam > Dr. Sam C Weaver > President > Proton Power, Inc. > 487 Sam Rayburn Parkway > Lenoir City, TN 37771 > > Phone: 865-389-4713 > Fax: 865-376-9002 > Email: [email protected] > Website: www.protonpower.com > > > > On May 17, 2014, at 1:36 AM, Kelly Burnham < > [email protected]> > wrote: > > Hello Art, > We use electric resistance heaters. We discharge at around 1000 C. > > Kelly > On May 16, 2014 7:51 PM, "Art Krenzel" <[email protected]> wrote: > >> Kelly, >> >> Thank you for joining the discussion. >> >> Two additional quick questions - since it is a pyrolysis process >> without oxygen or air, how do you generate the heat for the pyrolysis >> process? What temperature does the system operate at in the horizontal >> mixer? >> >> I look forward to your reply and am sure many others on the list will >> have more questions regarding your process as well. >> >> Art Krenzel, P.E. >> PHOENIX TECHNOLOGIES >> 10505 NE 285th Street >> Battle Ground, WA 98604 >> >> 360-666-1883 voice >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> ------------------------------ >> Date: Thu, 15 May 2014 22:38:02 -0700 >> From: [email protected] >> To: [email protected] >> Subject: Re: [Gasification] Tennessee company - pyrolysis biochar + >> hydrogen ($1.75 per gallon diesel-equivalent?) >> >> Hello All, >> Kelly Burnham with Proton Power here. I'd be glad to contribute where I >> can, and in response to Art's questions: >> >> 'what type of biomass', we've tested over 50 different types of biomass. >> By and large most woody or herbaceous biomass works fine up to about 45% >> MC. >> >> 'gasification style' is hydrous pyrolysis. No pure oxygen and no >> oxidization agents. Slight positive pressure at discharge. Horizontal >> anger. >> >> Hope this helps. >> Kelly B. >> On May 15, 2014 10:29 AM, "Tom Miles" <[email protected]> wrote: >> >> All, >> >> >> >> I have invited Dr. Sam Weaver and Kelly Burnham of Proton Power, to join >> this discussion so that you can answer your questions directly or they can >> respond to your previous questions. To review the thread to date see the >> archives at >> http://lists.bioenergylists.org/pipermail/gasification_lists.bioenergylists.org/2014-May/date.html >> >> >> >> Visit the Proton Power website at http://www.protonpower.com/ >> >> >> >> After several years of development Proton Power is working through their >> first year of a 750 kWe scale up plant at Wampler’s Farm Sausage in Lenoir, >> Tennessee. >> >> >> http://www.protonpower.com/wp-content/uploads/2013/05/Wamplers-Case-Study.pdf >> >> Tom Miles >> >> T R Miles Technical Consultants Inc. >> >> Portland, OR >> >> [email protected] >> >> www.trmiles.com >> >> www.gasifiiers.bioenergylists.org >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> >> *From:* Gasification [mailto: >> [email protected]] *On Behalf Of *Art Krenzel >> *Sent:* Wednesday, May 14, 2014 11:47 PM >> *To:* Discussion of biomass pyrolysis and gasification >> *Subject:* Re: [Gasification] Tennessee company - pyrolysis biochar + >> hydrogen ($1.75 per gallon diesel-equivalent?) >> >> >> >> Rex, >> >> >> >> It is always good to hear from you again. I can always count on you to >> come up with better, faster and cheaper ways to get things done. $2/kg is >> considerably different than $12/kg for hydrogen costs. >> >> >> >> What biomass feedstock and gasification style does PROTON POWER use to >> produce such high hydrogen content syn gas? I notice no nitrogen content >> in the syn gas so I presume they are using pure oxygen as the oxidizing >> agent. Is it pressurized as well? I see the photo on their website shows >> a horizontal "pug mill" style mixer which I assume is their gasifier as >> well. >> >> >> >> Good to hear from you again. >> >> Art >> >> >> >> >> >> > From: [email protected] >> > To: [email protected] >> > Date: Thu, 15 May 2014 07:59:13 +0200 >> > Subject: Re: [Gasification] Tennessee company - pyrolysis biochar + >> hydrogen ($1.75 per gallon diesel-equivalent?) >> > >> > Art, >> > >> > You are correct about making hydrogen from methane particularly at the >> > $4/MMBTU level seen in the USA. However, this is only strictly true on >> large >> > scale. At small scale gasification is an order of magnitude cheaper than >> > steam methane reforming. When I made enquiries about a small (75bpd) >> > hydrotreater, I was given a rough cost of $10m with a further >> approximately >> > $8m for the SMR. Needless to say, I nearly fell off my chair! Some of >> the >> > issues were that the design of a hydrogen plant is by its very nature >> > expensive. Then there are materials of construction - stainless steel. >> Then >> > there are the safety aspects that require as much instrumentation as a >> 2000 >> > bpd plant. One comment I got was "do they make hydrogen compressors that >> > small?". >> > >> > Proton Power claim to have a process that produces 65% H2, 30% CO2 and >> 5% CO >> > starting at the 250kWe scale. It is a very small step from there via >> > pressure swing absorption to get 99.9% hydrogen. PSA equipment does >> exist at >> > small scale and they have the compressors for compressing syngas. This >> > should produce hydrogen at the $2/kg level rather than the methane SMR >> route >> > of $12/kg. >> > >> > Kind regards >> > Rex >> > >> > 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, >> > >> > You make a very valid point, particularly on large scale equipment. >> However, >> > down at small scale, you cannot beat the competitiveness of >> gasification as >> > a hydrogen producer. It is an order of magnitude less than going the SMR >> > route using methane. >> > >> > >> > >> > --- >> > This email is free from viruses and malware because avast! 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