We are also recycling the tar in the reactor, after bleed off from the bio-scrubber circuit.
This gives us two advantages, no waste from the cleaning stage and higher energy value in the syn gas. Mikael Sjoblom Marketing Director Meva Innovation AB www.mevainnovation.se 12 maj 2011 kl. 16:08 skrev "[email protected]" <[email protected]>: > We remove the tar from the gas stream and recycle it back into the > reactor for destruction. It increases the heating value of the gas > substantially by doing so. It is difficult to handle, do any > significant treatment/separations or other actions on it to make it > useful otherwise. > Sincerely, > Leland T. "Tom" Taylor > President > Thermogenics Inc. > > -----Original Message----- > From: vikrant bhalerao <[email protected]> > To: gasification <[email protected]> > Sent: Wed, May 11, 2011 10:39 pm > Subject: Re: [Gasification] tar Processign > > To , all > > Can somebody elaborate the usage of Tar (waste(??) of Biomass > Gasification) ? Also i would like to explore the viability of Tar > process to nano fluid as Tar is complex carbon compund... > Thanks > With Regards, > Vikrant Bhalerao > Cummins Research and Technology Inc. > Mobile +91 89 833 20 725 > > > > > On Thu, May 12, 2011 at 12:30 AM, > <[email protected]> wrote: > Send Gasification mailing list submissions to > [email protected] > > To subscribe or unsubscribe via the World Wide Web, visit > > http://lists.bioenergylists.org/mailman/listinfo/gasification_lists.bioe > nergylists.org > > or, via email, send a message with subject or body 'help' to > [email protected] > > You can reach the person managing the list at > [email protected] > > When replying, please edit your Subject line so it is more specific > than "Re: Contents of Gasification digest..." > > > Today's Topics: > > 1. Re: Charcoal Gasifiers (Robert Kana) > 2. Re: Charcoal Gasifiers (Anand Karve) > 3. Re: Charcoal Gasifiers (doug.williams) > 4. Fruit of my ideas help Mississippi ([email protected]) > 5. wrong article- try this ([email protected]) > > > ---------------------------------------------------------------------- > > Message: 1 > Date: Wed, 11 May 2011 03:14:21 +0700 > From: Robert Kana <[email protected]> > To: Discussion of biomass pyrolysis and gasification > <[email protected]> > Subject: Re: [Gasification] Charcoal Gasifiers > Message-ID: <[email protected]> > Content-Type: text/plain; charset=ISO-8859-1; format=flowed > > Dear Arnt, > When we distill wood vinegar, actually very little tar comes to the > collection tank, rest of the tar either stays in the pipes (has to be > cleaned every month). This collection is done while the wood or > briquettes are drying in the chamber. Wood vinegar has no tar, for soil > enrichment and ph control, it is diluted with water 1/100 or 200. It can > also be used as pest control if diluted 1/300-500, just spray on the > leaves and fruits. About 5-10 cc is put in to bath tub to clean the > body, it is the main ingredient used in detox pads. When the wood gas > start coming out, the chimney which is connected to the retort chamber > is closed and we start burning wood gas in retort's fire chamber to keep > heating the wood until the gas is finished, by than wood become > charcoal. If this wood gas could be harnessed, as Tom says there is a > huge amount of energy is there. > So far I have tried couple of ways but not successful, and still > trying... > Regards, > Robert > > > > ------------------------------ > > Message: 2 > Date: Wed, 11 May 2011 10:38:00 +0800 > From: Anand Karve <[email protected]> > To: Discussion of biomass pyrolysis and gasification > <[email protected]> > Subject: Re: [Gasification] Charcoal Gasifiers > Message-ID: <[email protected]> > Content-Type: text/plain; charset=ISO-8859-1 > > Dear List, > we have tested wood vinegar as a pesticide on plants. It works in the > case of moderate infestation, but if the infestation is severe, > especially with sucking pests such as mealy bugs and woolly aphids, > one has to use a conventional organo-phosphatic systemic insecticide. > Biochar has never worked in our local soils, which have pH higher > than 8.5. Wood vinegar has a number of organic acids in it, which may > be used by the soil micro-organisms as their carbon source, so that > they multiply their numbers. That the population density of soil > micro-organisms is positively correlated with soil fertility, is a > known and accepted fact. Therefore, any treatment, which causes the > soil microbe population to rise, would automatically result in higher > soil fertility. > Yours > A.D.Karve > > On Wed, May 11, 2011 at 1:07 AM, Arnt Karlsen <[email protected]> > wrote: > > On Tue, 10 May 2011 21:12:57 +0700, Robert wrote in message > > <[email protected]>: > > > >> Dear Anand, > >> Thanks for the info. I am a charcoal specialist with biomass > >> background. I own a small briquette charcoal factory and we > know how > >> to use barrel to make charcoal. One suggestion, if you have a > long > >> chimney in the back, slent to chimney 30 degrees, cover the > top (must > >> be a temporary cover, when the wood gas started coming out we > need to > >> move the cover to burn the gas), let the wood smoke get cooler > and > >> put drum on the bottom so you can also collect wood vinegar > and teach > >> the farmers how to use wood vinegar for soil enrichment, > against > >> pests... Regards, > >> Robert > > > > ..how much carbon can be put into farmland soil this way, > > and the biochar way? > > > > -- > > ..med vennlig hilsen = with Kind Regards from Arnt Karlsen > > ...with a number of polar bear hunters in his ancestry... > > ?Scenarios always come in sets of three: > > ?best case, worst case, and just in case. > > > > _______________________________________________ > > 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 > President, Appropriate Rural Technology Institute (ARTI) > > *Please change my email address in your records to: [email protected] * > > > > ------------------------------ > > Message: 3 > Date: Wed, 11 May 2011 18:43:30 +1200 > From: "doug.williams" <[email protected]> > To: "Discussion of biomass pyrolysis and gasification" > <[email protected]> > Subject: Re: [Gasification] Charcoal Gasifiers > Message-ID: <287CD0D497144956AB221B0401BC52DF@dougspc> > Content-Type: text/plain; charset="iso-8859-1" > > Hi Dr Karve, > > As this particular line of discussion is relevant to work of my > associates, I would like to offer some comments that may be of interest > to yourself and others who use the term biochars for soils enhancement. > I also have personal interest as a organic citrus grower (in past > years), and there is some relevance to put reason behind certain > failures. > > >we have tested wood vinegar as a pesticide on plants. It works in > the > >case of moderate infestation, but if the infestation is severe, > >especially with sucking pests such as mealy bugs and woolly aphids, > >one has to use a conventional organo-phosphatic systemic > insecticide. > > As an acid, wood vinegar cannot penetrate the waxy type coating of > "some" pests. From experience (not with wood vinegar), you need to add > a surfacicant, which wets the infestation through it's protective > coating. This is a simple as adding a liquid detergent to the spray > mix. I have no recommended ratio, but you can see it work when the > spray wets the insect. Most phenolic compounds will kill or upset the > insect to detach and leave the feeding surfaces. > > >Biochar has never worked in our local soils, which have pH higher > >than 8.5. Wood vinegar has a number of organic acids in it, which > may > >be used by the soil micro-organisms as their carbon source, so that > >they multiply their numbers. That the population density of soil > >micro-organisms is positively correlated with soil fertility, is a > >known and accepted fact. > > If the soils are already containing high levels of carbon or > micro-organisms, what you say has relevance, but key here in this type > of discussion, is the type of char being used. Most char readily > available as a waste stream and dumped as soil enhancement, is of the > wrong type to provide a habitat for soil micro-organisms, being made to > maximize the carbon content and density for smokeless cooking. This is > the type needed for carbon sequestrian to maximize the reduction of > atmospheric carbon. Soil bacteria on the other hand, need safe > habitats, and this type of carbon is of the activated type, with huge > internal surface porosities. Other than providing a habitat, the carbon > also provide the means of holding nutrients in soils that might not > retain them if applied just to the soils. > > Therefore, any treatment, which causes the > soil microbe population to rise, would automatically result in higher > soil fertility. > > I am 100% behind your conclusion, and hope the work that many are > devoting their soil research work, can add to their knowledge from the > flow on effect, of gasification technology. > > Hope this might be of interest. > > Doug Williams, > Fluidyne Gasification. > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://lists.bioenergylists.org/pipermail/gasification_lists.bioenerg > ylists.org/attachments/20110511/c1324cdf/attachment-0001.html> > > ------------------------------ > > Message: 4 > Date: Wed, 11 May 2011 10:26:43 EDT > From: [email protected] > To: [email protected] > Subject: [Gasification] Fruit of my ideas help Mississippi > Message-ID: <[email protected]> > Content-Type: text/plain; charset="us-ascii" > > Gasification friends, > > It's been a while. Turbulent times for me here in Dayton, Ohio. I > received a call from John Guthrie a couple of weeks ago. He told me > that he had > sold the land he wanted to sell me, to a company that makes pellets. > He said > " Katrina took all of our small trees". I thought he said Pallets and > didn't know what he was calling me for. Then he mentioned a chipping > mill now > being built there. After I got off the phone I realized you don't need > a > chipping mill to make Pallets. I remembered pushing him in 2005 to > bring a wood > pellet mill to Wiggins because the pulp market was glutted. He didn't > know > much about wood pellets. > I did a search on the web and found out what happened to my need to > create a job for my tree shear with the pulp business glutted. LOL > _http://biomassmagazine.com/articles/5044/enviva-acquires-pellet-plants-e > xpa > nds-pproduction_ > (http://biomassmagazine.com/articles/5044/enviva-acquires-pellet-plants-e > xpands-pproduction) > > Check it out. Maybe he will send some pellets north on the Kansas City > Southern, the railroad company that brought him to Wiggins in 1948. A > the time > Wiggins grew cucumbers and sold pickles. > > You never know what will happen when you start promoting Biomass > energy. > > Dan Dimiduk > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://lists.bioenergylists.org/pipermail/gasification_lists.bioenerg > ylists.org/attachments/20110511/df614439/attachment-0001.html> > > ------------------------------ > > Message: 5 > Date: Wed, 11 May 2011 10:45:06 EDT > From: [email protected] > To: [email protected] > Subject: [Gasification] wrong article- try this > Message-ID: <[email protected]> > Content-Type: text/plain; charset="us-ascii" > > _http://biomassmagazine.com/articles/5044/enviva-acquires-pellet-plants-e > xpa > nds-production_ > (http://biomassmagazine.com/articles/5044/enviva-acquires-pellet-plants-e > xpands-production) > > > Dan Dimiduk > -------------- next part -------------- > An HTML attachment was scrubbed... > URL: > <http://lists.bioenergylists.org/pipermail/gasification_lists.bioenerg > ylists.org/attachments/20110511/784e9d9c/attachment-0001.html> > > ------------------------------ > > _______________________________________________ > 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/ > > > > End of Gasification Digest, Vol 9, Issue 5 > ******************************************_______________________________ > ________________ > 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/ _______________________________________________ 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/
