BoyntonStu
09-05-2008, 09:27 AM
If your life depended on it generator.
NASA-KENNEDY SPACE CENTER
PRESS RELEASE
George H. Diller Apr. 15, 1997
Kennedy Space Center
407/867-2468
KSC Release No. 65-97
OXYGEN GENERATOR AVAILABLE FOR MEDIA SHOWING WEDNESDAY
An oxygen generator to be carried to the Russian Mir space station
aboard Space Shuttle Atlantis on STS-84 in mid-May will be the subject
of a media opportunity on Wednesday, Apr. 16 at 1 p.m. The location is
the Spacehab Processing and Integration Facility located on SR 401
outside of Gate 1 on Cape Canaveral Air Station.
The oxygen generator, which resembles a cylinder, is 4.2 feet in
length, 1.4 feet in diameter and weighs 253 pounds. It functions by
electrolysis, a process which separates water into its oxygen and
hydrogen components. The hydrogen is vented while the oxygen is used
for breathing by the crew. This will be the first of two units
replacing the pair currently on Mir which have been having difficulty.
The oxygen generator is manufactured in Russia by RSC Energia.
Those wishing to attend this opportunity may proceed directly to the
Spacehab facility. Spokepersons from RSC Energia, Spacehab and NASA
will be available to discuss the oxygen generator and its preparations
http://www.jamesoberg.com/elektron2_tec.html
TECHNICAL SPECIFICATIONS
In the September 1993 3rd Edition of “Soviet Space Stations As Analogs”, B.J. Bluth and Dennis Fielder, produced by Grumman Aerospace in Reston, Va., section 1.4.7.3.4 (p. I-238) contains technical data on the electrolysis reaction. Electrolysis of pure water at normal temperatures is enhanced by the presence of an alkali to support ionization and increase conductivity:
KOH = K+ + OH-
Maximum electrolyte conductivity can be achieved with its concentration at about 30% KOH. At the anode, negative ions of the hydroxyl group OH- migrate towards the positive anode and discharge, releasing electrons
4 OH- - 4e = 2H2O + O2 , releasing oxygen and forming water, while water molecules combine with the hydroxyl molecules, migrate to the cathode, oxidize, and release hydrogen thusly:
2H2O + 2e = 2 OH- + H2
According to this document, the Mir electrolysis system had a mass of 140 kg, had twelve cells each with a cell voltage of 2v and a size of 0.8m x 0.13m, used 800 w with max current at 2V of 400 amp.
I hope that this helps.
BoyntonStu
P.S. The Hydrogen that is generated is thrown out as trash!
NASA-KENNEDY SPACE CENTER
PRESS RELEASE
George H. Diller Apr. 15, 1997
Kennedy Space Center
407/867-2468
KSC Release No. 65-97
OXYGEN GENERATOR AVAILABLE FOR MEDIA SHOWING WEDNESDAY
An oxygen generator to be carried to the Russian Mir space station
aboard Space Shuttle Atlantis on STS-84 in mid-May will be the subject
of a media opportunity on Wednesday, Apr. 16 at 1 p.m. The location is
the Spacehab Processing and Integration Facility located on SR 401
outside of Gate 1 on Cape Canaveral Air Station.
The oxygen generator, which resembles a cylinder, is 4.2 feet in
length, 1.4 feet in diameter and weighs 253 pounds. It functions by
electrolysis, a process which separates water into its oxygen and
hydrogen components. The hydrogen is vented while the oxygen is used
for breathing by the crew. This will be the first of two units
replacing the pair currently on Mir which have been having difficulty.
The oxygen generator is manufactured in Russia by RSC Energia.
Those wishing to attend this opportunity may proceed directly to the
Spacehab facility. Spokepersons from RSC Energia, Spacehab and NASA
will be available to discuss the oxygen generator and its preparations
http://www.jamesoberg.com/elektron2_tec.html
TECHNICAL SPECIFICATIONS
In the September 1993 3rd Edition of “Soviet Space Stations As Analogs”, B.J. Bluth and Dennis Fielder, produced by Grumman Aerospace in Reston, Va., section 1.4.7.3.4 (p. I-238) contains technical data on the electrolysis reaction. Electrolysis of pure water at normal temperatures is enhanced by the presence of an alkali to support ionization and increase conductivity:
KOH = K+ + OH-
Maximum electrolyte conductivity can be achieved with its concentration at about 30% KOH. At the anode, negative ions of the hydroxyl group OH- migrate towards the positive anode and discharge, releasing electrons
4 OH- - 4e = 2H2O + O2 , releasing oxygen and forming water, while water molecules combine with the hydroxyl molecules, migrate to the cathode, oxidize, and release hydrogen thusly:
2H2O + 2e = 2 OH- + H2
According to this document, the Mir electrolysis system had a mass of 140 kg, had twelve cells each with a cell voltage of 2v and a size of 0.8m x 0.13m, used 800 w with max current at 2V of 400 amp.
I hope that this helps.
BoyntonStu
P.S. The Hydrogen that is generated is thrown out as trash!