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In addition to reduce the voltage required for electrolysis via the increasing of the temperature of the electrolysis cell it is also possible to electrochemically consume the oxygen produced in an electrolyser by introducing a fuel (such as carbon/coal,[62] methanol,[63][64] ethanol,[65] formic acid,[66] glycerol,[66] etc.) Methanol (CH 3 OH) 22.7 MJ/kg. The challenge is to separate hydrogen from other naturally occurring compounds in an efficient and economic manner. 33.6 kWh In electrical terms, the energy density of hydrogen is equal to 33.6 kWh of usable energy per kg, versus diesel which only holds about 1214 kWh per kg. kcal/hr kW kcal/hr Steam Boiler 3,742,371 Post Reformer Cooler 2,238,933 Reformer 6,332,965 Post HTS Cooler 1,026,525 Amine Duty 5,680,514 Post LTS Cooler 2,305,814 Methanator Reheat 553,190 Amine Coolers 3,550,321 It is not a feasible method for industry. 6, Nov-Dec, 2004, page 43, "Hydrogen: Automotive Fuel of the Future," by FSEC's Ali T-Raissi and David Block. To get one molecule of hydrogen you need two electronic charges 2q The charge Q required to get one kilograms= 2qx no. [23] CO2 is not produced in the process. How much energy does hydrogen release? Diesel fuel and heating oil conversion calculator. Receive the Free RBN Daily Energy Blog via email every morning to stay on top of energy market trends and the mechanics that drive them. Fermentative hydrogen production is the fermentative conversion of organic substrate to biohydrogen manifested by a diverse group of bacteria using multi enzyme systems involving three steps similar to anaerobic conversion. The lower the energy used by a generator, the higher would be its efficiency; a 100%-efficient electrolyser would consume 39.4 kilowatt-hours per kilogram (142MJ/kg) of hydrogen,[45] 12,749 joules per litre (12.75MJ/m3). Our calculation estimated that a total of 82,553, 168.4, and 2300 tons of medical waste was . To produce one kg of H2 you need 9 kg of water. Hydrogen may be used in fuel cells for local electricity generation or potentially as a transportation fuel. [93], Fermentative hydrogen production can be done using direct biophotolysis by green algae, indirect biophotolysis by cyanobacteria, photo-fermentation by anaerobic photosynthetic bacteria and dark fermentation by anaerobic fermentative bacteria. idealhy.eu - Liquid Hydrogen Outline Nearly 50% of the world's hydrogen is being produced by this method. How much water is needed to produce 1 kg of hydrogen via - Answers