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Hydrogen electrolyte and oxygen electrolyte circulate separately, hydrogen electrolyte pumps into hydrogen cell directly and oxygen electrolyte pumps into oxygen cell directly, and therefore gets higher purity of hydrogen and oxygen gas.
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The natural gas in this setup by Angstrom Advanced, prior to pressurization, desulfurization and mixing with aqueous vapor, is passed through a special reformer which is packed with catalyst for cracking and reforming effluent-a mixture of H2 CO2 and CO. After part heat is recovered, hydrogen will be obtained by converting the reforming effluent to reduce the amount of of CO content and the shift gas is purified through PSA to get the pure H2. This Angstrom Advanced hydrogen plant system and its produced hydrogen can be used for many different applications including acting as a feedstock for fuel cells.
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Hydrogen generation by methanol decomposition was developed in the last two decades. This technology features low cost, simple user friendly operation and very easy maintenance. The process of methanol reformation uses a methanol reformer to produce pure hydrogen gas and carbon dioxide by reacting a methanol and steam mixture. The mixture is pressurized, vaporized and then heated. After heating, the hydrogen is separated using techniques including PSA.
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Hydrogen Generator by Ammonia Decomposition with Purifying System by Angstrom Advanced is very low cost; it has long service life, simple operation, compact structure, small coverage, and is very simple to install. Liquid ammonia is used as source for hydrogen generator. The liquid ammonia is vaporized and is heated by decomposition with catalyst into mixed gas containing 75% hydrogen and 25% nitrogen. Based on the principle that the molecular sieve adsorbs different ammonia and water at different temperatures; high purity gas is produced by heat regenerating through working at normal temperature.
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Angstrom Advanced Pressure Swing Adsorption (PSA) is used to separate hydrogen gas from other gases by feeding the gas under certain pressure. This separation process occurs in adsorption tower. The main advantages behind this technology is its low cost, low capacity, minimal maintenance requirements and a user-friendly interface.
The H2 Purifying System removes oxygen from Hydrogen via a catalyst to get high purity H2 after adsorption of drying through the dust filter. The system can remove oxygen levels down to 1ppm. Through one step of purification, the purity can reach to 99.999~99.9999% and dew point can be lower than -70°C; Through a second purification step, O2 can be lowered down to less than 0.1ppm and dew point can be lowered to -90°C. |
Hydrogen Plants
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