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News announcements and other topics => News => Topic started by: khabe on October 21, 2008, 05:42:42 PM

Title: Hydrogen Peroxide Helicopter Intora Firebird
Post by: khabe on October 21, 2008, 05:42:42 PM
http://www.youtube.com/watch?v=O9S_Qmn-CEM
It is not OU but ineresting anyway ... and old principle of course  http://www.tecaeromex.com/ingles/RH-i.htm ... rocketman ... torpedos ...
At that its clean energy  ::)

Sad that Hydrogen Peroxide is so danger - extrahazardous  >:(

I did read about hot product Hydrogen Peroxide - very unclear for me ... my knowledge about chemistry is poor,
http://en.wikipedia.org/wiki/Hydrogen_peroxide
http://www.cheresources.com/h2o2.shtml
But then found out this:
Hydrogen peroxide production by water electrolysis: Application to disinfection
Hydrogen peroxide was produced by direct current electrolysis using only two electrodes, a carbon felt cathode and a RuO_2 coated titanium anode. The required oxygen was supplied by oxidation of water and by transfer from the atmosphere or by pure oxygen injection. The current was maintained below a maximum value to avoid peroxide reduction. A high peroxide production rate was reached and a 15 mg l^âˆ'1 concentration was maintained. The electrolysis removed turbidity and dissolved organic carbonaceous compounds from municipal sewage plant effluents. Real effluents were significantly disinfected owing to the direct effect of electric current and the indirect effect of peroxide. A residual effect was also observed.
http://www.ingentaconnect.com/content/klu/jach/2001/00000031/00000008/00320113

Unfortunately no more readings without money  :-\

yours faithfully,
khabe

Title: Re: Hydrogen Peroxide Helicopter Intora Firebird
Post by: Yucca on October 21, 2008, 06:08:43 PM
Nice vid khabe,

Here´s a similar design, uses turbine driven compressor to produce blade tip jets instead of h2o2. The video explains the benefits of tip jets very well:

http://www.youtube.com/watch?v=lDOuoG6ljZA

Yucca.
Title: Re: Hydrogen Peroxide Helicopter Intora Firebird
Post by: khabe on October 22, 2008, 02:35:27 AM
Yucca, yes, also imressive idea.
Thanks for!


But about hydrogen peroxide
http://www.tecaeromex.com/ingles/peroxidoi.html
How they work?
***The hydrogen peroxide rocket engines are, in fact steam rockets, but this steam is produced by a violent exothermic reaction of the peroxide. When passed through a catalyst pack, the peroxide decomposes into superheated steam and oxygen. This high pressure steam is expelled supersonically through a DeLaval nozzle, which produces thrust. For each volume of liquid injected at the catalyst, after the reaction you get 5000 times that volume in gas expelled at the nozzle.***

And what he speaks more:

***I use it at 90% and I produce my own peroxide.***
***This product increase it´s stability with concentration. Yes!, the more pure and concentrated it is, the more stable!. 90% hydrogen peroxide must be stored in special 5254 aluminum alloy containers with vented caps in shaded ventilated rooms preferably but the product is safer to store than gasoline!
You must use approved containers for hydrogen peroxide service, this have a special vented cap.***


Im not planning to build rockets - not for me :-\  I like it just as fuel - *green neregy*

Of course its "green" only then when producing is "green" and low-cost.
http://www.tecaeromex.com/ingles/destilai.htm

Perhaps somebody understand better this procedure as Im able  - that was what about I tried to discuss - is it possible to produce SAFE & CHEAP  ::)

$22.43 / lb for 90% h2o2! - not very cheap at all :o or what ???

Best regards,
khabe






Title: Re: Hydrogen Peroxide Helicopter Intora Firebird
Post by: Yucca on October 22, 2008, 07:59:58 PM
That guy you link to also makes glass stills so you can make your own 90% h2o2 for $0.59 per lb:

http://www.tecaeromex.com/ingles/destilai.html

I´ll bet the still costs a small fortune though!

Yucca.
Title: Re: Hydrogen Peroxide Helicopter Intora Firebird
Post by: amigo on October 22, 2008, 08:57:41 PM
QuoteThe price of this distillation machine with the deionizing and purification process included is $15,800 USD. plus shipping to any part of the world.

Indeed... :)
Title: Re: Hydrogen Peroxide Helicopter Intora Firebird
Post by: khabe on October 23, 2008, 06:27:48 AM
Yeah -  that is $0.74 USD by kilo or $0.33 USD by lb at 50%, if I concentrate it to 90% I will get .555555 of it or $0.59 USD by lb of 90% - that is $0.59 / lb USD for 90% h2o2!!
Its much cheaper than gas or oil in Europe  :o       How much energy gives 1 kg  (or 1 lb ) of  90% h2o2  - somebody knows ??? And what could be output temperature what ever it is - gases or steam  ??? Im depicting in the imagination an energy plant - steam turbine -> el.generator - gives electricity and heat for my house - powerhouse   ::)
If it works well then *the price of this distillation machine with the deionizing and purification process included is $15,800 USD. plus shipping to any part of the world* does not much matter for me,
At present I have choice to join with Gas (natural gas) line - it costs appr. $22K , included  200m of gas line for me :'(
Cost of natural Gas on the increase anyway >:(

regards,
khabe
Title: Re: Hydrogen Peroxide Helicopter Intora Firebird
Post by: amigo on October 23, 2008, 08:31:31 PM
This peroxide stuff will only work in some relaxed country (non-North American) where government is not overprotective over their citizens and does not consider every one of them a potential terrorist thus limiting availability of simple chemicals or controlling their storage and use.
Title: Re: Hydrogen Peroxide Helicopter Intora Firebird
Post by: khabe on November 05, 2008, 05:23:33 AM
http://peswiki.com/index.php/Directory:Hydrogen_Peroxide_as_Fuel

Electrolysis has an extensive history in the manufacture of hydrogen per-oxide.

http://www.electrosynthesis.com/news/w7content.html

cheers,
khabe
Title: Re: Hydrogen Peroxide Helicopter Intora Firebird
Post by: khabe on November 05, 2008, 05:27:25 AM
Energy Storage using Aqueous Hydrogen Peroxide

Robert S. Disselkamp*

Institute for Interfacial Catalysis, Pacific Northwest National Laboratory, Richland, Washington 99352

Received January 22, 2008

Revised March 21, 2008

Abstract:

As alternative energy sources, such as solar, geothermal, wind, and wave, become viable in the future and cost-competitive with and environmentally favorable to conventional carbon-based energy sources, it will be increasingly important to develop low-cost energy-storage systems. These energy-storage systems may be either carbon-based or non-carbon-based but must possess a high energy-storage density, high operating efficiency, low cost, and ease of use, such as operation from the extensive electrical grid that exists throughout developed countries. Here, we present a novel energy-storage concept employing aqueous hydrogen peroxide (H2O2). The electrochemical synthesis of H2O2 from aerated water using a solid superacid cathodic electrode is proposed on the basis of a prior literature study and serves as the mechanism of stored energy. The subsequent generation of H2 plus O2 (again via electrolysis on a cathodic superacid electrode) for use in a polymer electrolyte membrane (PEM) fuel cell is described and thus comprises energy release. For a 50 wt % aqueous H2O2 solution using a tungstated zirconia electrocatalyst with an energy-storage density of >0.49 MJ/kg solution and a full-cycle (synthesis to electrical energy output) operating efficiency of >35% has been estimated to be feasible based on prior literature work.

http://pubs.acs.org/cgi-bin/abstract.cgi/enfuem/2008/22/i04/abs/ef800050t.html

regards,
khabe
Title: Re: Hydrogen Peroxide Helicopter Intora Firebird
Post by: khabe on November 05, 2008, 05:30:28 AM
ScienceDaily (Dec. 15, 1999) â€" WEST LAFAYETTE, Ind. â€" Researchers are developing a new type of environmentally friendly fuel cell that runs on aluminum and renewable resources and generates about 20 times more electricity per pound than car batteries.

http://www.sciencedaily.com/releases/1999/12/991215072333.htm

best,
khabe
Title: Re: Hydrogen Peroxide Helicopter Intora Firebird
Post by: khabe on November 05, 2008, 05:33:22 AM
Hydrogen Peroxide Car
http://www.whynot.net/ideas/3903
peace,
khabe
Title: Re: Hydrogen Peroxide Helicopter Intora Firebird
Post by: khabe on November 05, 2008, 05:41:51 AM
Hydrogen peroxide is compatible with two metals: aluminum and stainless steel.

What will happend when it meats some rust? -> Kursk !!!

regards,
khabe

Title: Re: Hydrogen Peroxide Helicopter Intora Firebird
Post by: khabe on November 05, 2008, 09:08:18 AM
Cheap Hydrogen Production        ->    http://www.unexplained-mysteries.com/forum/lofiversion/index.php/t42773.html

Mechanism of H2O to H2O2:
Radiation can directly interact with a molecule and damage it directly. Because of the abundance of water in the body, radiation is more likely to interact with water. When radiation interacts with water, it produces labile chemical species (free radicals) such as hydronium (H.) and hydroyxls (.OH). Free radicals can produce compounds such as hydrogen peroxide (H2O2) which subsequently exert chemical toxicity.

respect,
khabe
Title: Re: Hydrogen Peroxide Helicopter Intora Firebird
Post by: Yucca on November 05, 2008, 05:37:02 PM
Quote from: khabe on November 05, 2008, 05:33:22 AM
Hydrogen Peroxide Car
http://www.whynot.net/ideas/3903
peace,
khabe

Retrofitting existing cars for H2O2 is an interesting idea. I think if you could somehow fit a tiny silver catalyst pack just after the injector of a normal diesel engine, like a small tube on the injector outlet that contains silver wool then running on 90% H2O2 should be easy with good power output. Also you shouldn´t have to worry about the steel cylinder walls getting corroded because it would only be H2O and O2 in the chamber. You could have aluminium pipes suppying the H2O2 to the injectors, may have to use an old aluminium beer keg or something like that for the tank. If the injectors did suffer from corrosion then aluminium and stainless injectors could be fabricated.

I can´t think of any real problems with the idea, certainly sounds like the energy density of H2O2 is fairly good (50% energy density of burning gasoline) in fact I think you would get more MPG with H2O2 car because we all know combution is not efficient in gas engines, wheras H2O2 going through catalyst is 100% conversion. You could maybe even do away with the cooling system.

Imagine the exhaust after cooling through the silencer you would get a dribble of pure clean water and a good stream of pure oxygen gas, cities would then be the place to walk for anyone with lung conditions.

Yucca.
Title: Re: Hydrogen Peroxide Helicopter Intora Firebird
Post by: khabe on November 06, 2008, 03:08:25 AM
Yeah, you right - rust & corrodes are extremely danger when H2O2 ...
My main interest is micro powerplant:
making cheaply H2O2  ->->-> turbine -> el. generator  + heat used as much as possible,
Cheers,
khabe