Can you say a bit more about - why separating out the CO2 is ruled out? and - why if methane 'does not like to be compressed' so many other similar gases are compressed regularly?
Perhaps I'm missing something. I do appreciate the transport ideas without compression or a pipeline. Reuben Deumling On Tue, Nov 23, 2010 at 8:58 AM, Alexander Eaton <[email protected]>wrote: > We go around this issue frequently, as end users often come up with the > same idea. It is hard to tell them no, so we always take a fresh look under > the circumstances. At the end of the day filtration of CO2 i always ruled > out, and that means 40% of the volume of gas you are compressing serves no > energetic purpose. Add that to the fact that methane does not like to be > compressed, and we arrive again at a "no" response. > > The one option we always examine is the non-compressed transportation of > large gas reservoirs. This we have tried for distances that are too long > for a simple gas line, and short enough to be practical by cart. Since we > can make durable gas reservoirs of any size and shape, this is not > unfeasible. Once transported, the gas is connected and used as usual, while > a second reservoir is filling. If you can create value for this use, and > the transport logistics to not out-weight the value of the energy provided, > you may have an option for success. Others have used large truck > inner-tubes in the same way, that are then rolled down the street to the end > use. I suspect that in certain locations, systems that considered > low-pressure distribution could gain some traction. > > Saludos, > > A > > On Tue, Nov 23, 2010 at 6:21 AM, Vianney Tumwesige <[email protected] > > wrote: > >> Hello Harold, >> >> I completely agree withYvonne, it will be economically expensive to >> compress the gas. >> >> P.S. Yvonne, could you send me a copy of the paper and ppt as well? >> >> Best regards >> >> On Tue, Nov 23, 2010 at 1:49 PM, Harold leffertstra < >> [email protected]> wrote: >> >>> hello >>> Got a question from the owner of a small biogass plant in Tanzania. >>> He is expanding a small existing biogas plant to be able to digest waste >>> from 200 households and manure from 100 cows. >>> He is interested in using the biogas for fueling vehicles. In our part of >>> the world we think it will be necessary with cleaning, uppgrading of the >>> gas and compressing. >>> Do any of you have experience/ideas about whether this is feasible for >>> such a small plant? >>> 1)What is necessary to use the biogas for fueling vehicles and 2) what >>> are the technical and economical consequences? >>> Thank you >>> Harold Leffertstra >>> Senior Advisor >>> Norwegian Climate and Pollution Agency >>> Oslo >>> >>> >>> _______________________________________________ >>> Digestion 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/digestion_lists.bioenergylists.org >>> >>> for more information about digestion, see >>> Beginner's Guide to Biogas >>> http://www.adelaide.edu.au/biogas/ >>> and the Biogas Wiki http://biogas.wikispaces.com/ >>> >>> >>> >> >> >> -- >> Vianney Tumwesige >> Director - Green Heat (U) Ltd [image: Picture] >> P.O. Box 10235 >> Kampala-Uganda >> 256 (0) 71 237 9889 >> >> "The more people are self sufficient in cooking fuel, the more personal >> and financial freedom they have." - Emma Casson >> >> >> <http://trustvianney.wordpress.com/> >> >> >> _______________________________________________ >> Digestion 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/digestion_lists.bioenergylists.org >> >> for more information about digestion, see >> Beginner's Guide to Biogas >> http://www.adelaide.edu.au/biogas/ >> and the Biogas Wiki http://biogas.wikispaces.com/ >> >> >> > > > -- > Alexander Eaton > Sistema Biobolsa > IRRI-Mexico > RedBioLAC > > Mex cel: (55) 11522786 > US cel: 970 275 4505 > > [email protected] > [email protected] > > sistemabiobolsa.com > www.irrimexico.org > www.redbiolac.org > > > _______________________________________________ > Digestion 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/digestion_lists.bioenergylists.org > > for more information about digestion, see > Beginner's Guide to Biogas > http://www.adelaide.edu.au/biogas/ > and the Biogas Wiki http://biogas.wikispaces.com/ > > >
_______________________________________________ Digestion 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/digestion_lists.bioenergylists.org for more information about digestion, see Beginner's Guide to Biogas http://www.adelaide.edu.au/biogas/ and the Biogas Wiki http://biogas.wikispaces.com/
