| 摘要 |
An emulsion fuel of high quality that can be handled and used in the same manner as for ordinary fuel oil and that can maintain a very good emulsion condition over a prolonged period of time. There is provided an emulsion fuel consisting of a liquid of mixture composed of 40 to 95 vol. % of fuel oil, 60 to 5 vol. % of reduced water with a redox potential of +100 mV or below and 0.1 to 10 wt. %, based on the weight of fuel oil, of emulsifier. Electrolyzed-reduced water obtained by electrolysis of water is preferred as the reduced water. Preferably, the emulsion fuel is obtained by using, as the electrolyzed-reduced water, electrolyzed-reduced water produced by electrolysis of water with the use of diaphragm cell with a positive electrode and negative electrode disposed apart while applying ultrasonic waves by means of ultrasonic wave generating means. In the electrolysis, preferably, an electrode of hydrogen storing metal or alloy is used as the negative electrode.
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