Q. Do you sell refurbished units?
A. Yes occasionally. There are not many, because people really tend to keep them. Once refurbished, they go for new or nearly new price depending on appearance; the actual working parts are 100% functional and have full warranty.
Q. What is the gas capacity of the ER2000 & ER4000 units?
A. The ERXXXX rating is the volume gas production rating. So an ER2000 would produce 2000 liters per hour of Brown's Gas and the ER4000 would produce 4000 liters per hour of Brown's Gas. However, these custom-built units are very expensive, and the ER1200 is designed to be modular, we usually recommend customers to buy multiple ER1200 to make any gas volume they need.
Q. Can a stand-alone generator be used to power an ER1200 electrolyzer?
A. Officially: No.
The ERXXXX WaterTorches are designed to work on worldwide Utility Grid Standards and will work absolutely reliably with a wide range of voltage and frequency input when plugged into Utility Grid power.
The ERXXXX WaterTorches are designed for maximum efficiency and one of the design efficiency features makes them incompatible with most 'stand-alone' electrical generators.
The ERXXXX WaterTorches are either full ON or full OFF. Which means that they are drawing full load (say 21 Amps) on the generator (which is fine) and then they are full OFF (drawing 0 amps). This may happen hundreds of times a second and most electrical generators CANNOT react this quickly. There is an inertia of fuel flow and the engine governor cannot slow the engine down fast enough. The result is usually very high voltage spikes that damage electrical components in the ERXXXX WaterTorch.
Unofficially: If you run a continuous resistive load of at least 500 watts on the generator, in parallel with the electrolyzer (ERXXXX WaterTorch), the load should 'absorb' voltage spikes. Such a load could be a water heater element or a bunch of light bulbs. We haven't fully tested this remedy so can't officially recommend it.
There are 3 ideas that could be worth a few million and I do not have time (right now) to explain or expand on them.
A. You can use it 'as is'. The components are rated to handle 220v anywhere in the world. The machine doesn't care if the frequency is 50 or 60 Hz.
Q. Can Brown's Gas be stored for a long period of time, if so, under what conditions?
A. BG can be stored, if low pressure and cool (at this time I do not recommend over 20 PSI at 70°F) in the absence of light. Light causes the Brown's Gas to devolve (loses energy and volume).
The gas will self-explode/implode at some given temperature, depending on the pressure (and vice versa), the higher the temperature, the lower the possible storage pressure. This presupposes that you are using an inert storage container with no sharp edges and not having static charges or magnetic fields associated with the stored gas (additional conditions that will cause the BG to explode/implode).
Q. Is it possible to ship Brown's Gas similar to the way that natural gas is bottled and shipped?
A. Possible, but difficult and impractical. First it has hydrogen in the mixture, which will leak out of most containers, making the gas you get less BG than what was sent. Second, it is a hydrogen:oxygen mixture, so it is an explosive mixture and subject to explosive materials laws. Third, it can only be stored at low pressure so very little gas can be in the container.
It is best to generate all the volume you need right at your location and as you need it.
Q. What do you recommend is the best way to demonstrate the ER1200 unit?
A. Demonstrating as per the 'See Water Burn' video is a good start. Another good thing to do is to find someone who knows about torches and get them to play with it, teaching yourself and them at the same time.
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