Combustible gas composition

Abstract

The present invention provides a method and a system for synthesizing a combustible gas composition as well as a combustible gas composition obtained by such a method. In particular, the method comprises providing a primary gas ( 30 ) obtained by splitting water ( 12 ) by means of an electric field; and mixing the primary gas ( 30 ) with a secondary gas ( 44 ) and with air, wherein the secondary gas ( 44 ) comprises a combustible gaseous hydrocarbon.

We claim: 
     
         1 . A method for synthesizing a combustible gas composition, the method comprising:
 providing a primary gas obtained by electrolyzing water; and   mixing the primary gas with a secondary gas and with air with a ratio of xp:xs:xa, wherein xp is in the range of about 0.02 to about 0.06, xs is in the range of about 0.01 to about 0.04, and xa is in the range of about 0.9 to about 0.97,   wherein the secondary gas comprises a combustible gaseous hydrocarbon.   
     
     
         2 . The method of  claim 1 , where mixing the primary gas with the secondary gas and with air comprises:
 providing a mixing chamber partly filled with water;   providing the primary gas in the water within the mixing chamber; and   feeding the air into the mixing chamber in the room above the water.   
     
     
         3 . The method of  claim 2 , wherein providing the primary gas in the water within the mixing chamber comprises feeding the primary gas from outside the mixing chamber into the water inside the mixing chamber via a primary feeding pipe arranged in the water inside the mixing chamber. 
     
     
         4 . The method of  claim 3 , comprising discharging water from the mixing chamber into an electrolyzing chamber, wherein the primary gas is generated by electrolyzing the water inside the electrolyzing chamber. 
     
     
         5 . The method of  claim 3 , wherein feeding the air into the mixing chamber in the room above the water comprises:
 bringing the secondary gas and the air together outside the mixing chamber and   feeding the secondary gas together with the air from outside the mixing chamber into the mixing chamber in the room above the water via an air feeding pipe.   
     
     
         6 . The method of  claim 3 , wherein the primary gas is generated by electrolyzing the water inside the mixing chamber. 
     
     
         7 . The method of  claim 3 , wherein providing the secondary gas in the water within the mixing chamber comprises feeding the secondary gas from outside the mixing chamber into the water inside the mixing chamber via a secondary feeding pipe arranged in the water inside the mixing chamber. 
     
     
         8 . The method of  claim 1 , wherein the primary gas is provided by electrolyzing the water by applying a direct current to electrodes arranged in the water. 
     
     
         9 . The method of  claim 1 , further comprising adding an electrolyte to the water. 
     
     
         10 . A system for synthesizing a combustible gas composition, the system comprising:
 an electrolyzer configured to electrolyze water to generate a primary gas;   a mixing chamber for mixing the primary gas with a secondary gas and with air;   a gas supply line configured to feed a combustible gaseous hydrocarbon as at least part of the secondary gas into the mixing chamber; and   an air supply line configured to feed the air into the mixing chamber, wherein the system is configured to mix the primary gas with a secondary gas and with air with a ratio of xp:xs:xa, wherein xp is in the range of about 0.02 to about 0.06, xs is in the range of about 0.01 to about 0.04, and xa is in the range of about 0.9 to about 0.97.   
     
     
         11 . The system of  claim 10 , wherein the electrolyzer comprises:
 an electrolyzing chamber configured to electrolyze water to generate the primary gas; and   primary supply line configured to feed the primary gas from the electrolyzing chamber to the mixing chamber.   
     
     
         12 . The system of  claim 11 , wherein the mixing chamber is adapted to be at least partly filled with water, and wherein the system further comprises:
 a primary feeding pipe configured to feed the primary gas from outside the mixing chamber into the water inside the mixing chamber;   a secondary feeding pipe configured to feed the secondary gas from outside the mixing chamber into the water inside the mixing chamber; and   an air feeding pipe.   
     
     
         13 . The system of  claim 12 , wherein at least one of the primary feeding pipe, the secondary feeding pipe and the air feeding pipe comprises a plurality of dispersion holes. 
     
     
         14 . The system of  claim 10 , further comprising:
 a compressor for discharging the synthesized gas form the from a mixing volume of the mixing chamber; and   a water inlet for filling water into the electrolyzer and/or the mixing chamber.   
     
     
         15 . A combustible gas composition obtained by a method of:
 providing a primary gas obtained by electrolyzing water; and   mixing the primary gas with a secondary gas and with air with a ratio of xp:xs:xa, wherein xp is in the range of about 0.02 to about 0.06, xs is in the range of about 0.01 to about 0.04, and xa is in the range of about 0.9 to about 0.97,   wherein the secondary gas comprises a combustible gaseous hydrocarbon.   
     
     
         16 . The composition of  claim 15 , where mixing the primary gas with the secondary gas and with air comprises:
 providing a mixing chamber partly filled with water;   providing the primary gas in the water within the mixing chamber; and   feeding the air into the mixing chamber in the room above the water.   
     
     
         17 . The composition of  claim 16 , wherein providing the primary gas in the water within the mixing chamber comprises feeding the primary gas from outside the mixing chamber into the water inside the mixing chamber via a primary feeding pipe arranged in the water inside the mixing chamber. 
     
     
         18 . The composition of  claim 17 , comprising discharging water from the mixing chamber into an electrolyzing chamber, wherein the primary gas is generated by electrolyzing the water inside the electrolyzing chamber. 
     
     
         19 . The composition of  claim 17 , wherein feeding the air into the mixing chamber in the room above the water comprises:
 bringing the secondary gas and the air together outside the mixing chamber and   feeding the secondary gas together with the air from outside the mixing chamber into the mixing chamber in the room above the water via an air feeding pipe.   
     
     
         20 . The composition of  claim 17 , wherein the primary gas is generated by electrolyzing the water inside the mixing chamber. 
     
     
         21 . The composition of  claim 17 , wherein providing the secondary gas in the water within the mixing chamber comprises feeding the secondary gas from outside the mixing chamber into the water inside the mixing chamber via a secondary feeding pipe arranged in the water inside the mixing chamber. 
     
     
         22 . The composition of  claim 15 , wherein the primary gas is provided by electrolyzing the water by applying a direct current to electrodes arranged in the water. 
     
     
         23 . The composition of  claim 15 , further comprising adding an electrolyte to the water.