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#31
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"Daniel J. Stern" > wrote in message . umich.edu... > On Tue, 19 Oct 2004, Bob Lutz wrote: > > > It would seem to me, mind you, I don't know my ass from ice cream about > > this sort of thing, but it seems to me that all it would do is dilute > > the emissions, by making them hotter. Less particles of [whatever it is > > that comes out]= lower emission count at the testing station. I'm > > probably wrong, though. > > Um...yeah. You're wrong. *VERY* wrong. That's not how a catalytic > converter works at all. > > A catcon has two sections: a reducing section and an oxidizing section. Well, technically not all cats have a reducing section. The early ones didn't. Also I don't think the ones they use on wood stoves have the reducing section either. Ted |
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#32
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"Daniel J. Stern" > wrote in message . umich.edu... > On Tue, 19 Oct 2004, Bob Lutz wrote: > > > It would seem to me, mind you, I don't know my ass from ice cream about > > this sort of thing, but it seems to me that all it would do is dilute > > the emissions, by making them hotter. Less particles of [whatever it is > > that comes out]= lower emission count at the testing station. I'm > > probably wrong, though. > > Um...yeah. You're wrong. *VERY* wrong. That's not how a catalytic > converter works at all. > > A catcon has two sections: a reducing section and an oxidizing section. Well, technically not all cats have a reducing section. The early ones didn't. Also I don't think the ones they use on wood stoves have the reducing section either. Ted |
#33
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Ted Mittelstaedt wrote:
> "Daniel J. Stern" > wrote in message > . umich.edu... > >>On Tue, 19 Oct 2004, Bob Lutz wrote: >> >> >>>It would seem to me, mind you, I don't know my ass from ice cream about >>>this sort of thing, but it seems to me that all it would do is dilute >>>the emissions, by making them hotter. Less particles of [whatever it is >>>that comes out]= lower emission count at the testing station. I'm >>>probably wrong, though. >> >>Um...yeah. You're wrong. *VERY* wrong. That's not how a catalytic >>converter works at all. >> >>A catcon has two sections: a reducing section and an oxidizing section. > > > Well, technically not all cats have a reducing section. The early ones > didn't. > Also I don't think the ones they use on wood stoves have the reducing > section > either. > > > Ted > > I believe also that there isn't a reducing and oxidizing "section" per se, as in front half is one and back half is the other, I believe that this is accomplished with two layers of different catalyst coatings on top of the washcoat. The layers are fairly porous and thus the exhaust gas gets to both layers where the magic happens. Matt |
#34
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Ted Mittelstaedt wrote:
> "Daniel J. Stern" > wrote in message > . umich.edu... > >>On Tue, 19 Oct 2004, Bob Lutz wrote: >> >> >>>It would seem to me, mind you, I don't know my ass from ice cream about >>>this sort of thing, but it seems to me that all it would do is dilute >>>the emissions, by making them hotter. Less particles of [whatever it is >>>that comes out]= lower emission count at the testing station. I'm >>>probably wrong, though. >> >>Um...yeah. You're wrong. *VERY* wrong. That's not how a catalytic >>converter works at all. >> >>A catcon has two sections: a reducing section and an oxidizing section. > > > Well, technically not all cats have a reducing section. The early ones > didn't. > Also I don't think the ones they use on wood stoves have the reducing > section > either. > > > Ted > > I believe also that there isn't a reducing and oxidizing "section" per se, as in front half is one and back half is the other, I believe that this is accomplished with two layers of different catalyst coatings on top of the washcoat. The layers are fairly porous and thus the exhaust gas gets to both layers where the magic happens. Matt |
#35
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Daniel J. Stern wrote:
> ...The oxidizing section of the catalytic converter then oxidizes Carbon > Monoxide into Carbon Dioxide, and unburned hydrocarbons into Dihydrogen > Monoxide (water) and Carbon Dioxide. > > DS Be careful with that Dihydrogen Monoxide - it will kill you if inhaled. 8^) Bill Putney (To reply by e-mail, replace the last letter of the alphabet in my adddress with the letter 'x') ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! >100,000 Newsgroups ---= East/West-Coast Server Farms - Total Privacy via Encryption =--- |
#36
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Daniel J. Stern wrote:
> ...The oxidizing section of the catalytic converter then oxidizes Carbon > Monoxide into Carbon Dioxide, and unburned hydrocarbons into Dihydrogen > Monoxide (water) and Carbon Dioxide. > > DS Be careful with that Dihydrogen Monoxide - it will kill you if inhaled. 8^) Bill Putney (To reply by e-mail, replace the last letter of the alphabet in my adddress with the letter 'x') ----== Posted via Newsfeeds.Com - Unlimited-Uncensored-Secure Usenet News==---- http://www.newsfeeds.com The #1 Newsgroup Service in the World! >100,000 Newsgroups ---= East/West-Coast Server Farms - Total Privacy via Encryption =--- |
#37
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On Fri, 22 Oct 2004, Bill Putney wrote:
> > ...The oxidizing section of the catalytic converter then oxidizes > > Carbon Monoxide into Carbon Dioxide, and unburned hydrocarbons into > > Dihydrogen Monoxide and Carbon Dioxide. > Be careful with that Dihydrogen Monoxide - it will kill you if inhaled. > 8^) That's nothing compared to the expansive phase change that will occur if it is not stored and transported below 373.15K at all times...! |
#38
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On Fri, 22 Oct 2004, Bill Putney wrote:
> > ...The oxidizing section of the catalytic converter then oxidizes > > Carbon Monoxide into Carbon Dioxide, and unburned hydrocarbons into > > Dihydrogen Monoxide and Carbon Dioxide. > Be careful with that Dihydrogen Monoxide - it will kill you if inhaled. > 8^) That's nothing compared to the expansive phase change that will occur if it is not stored and transported below 373.15K at all times...! |
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