Enhanced fuel and method of producing enhanced fuel for operating internal combustion engine

Abstract

An enhanced fuel, a method of producing such enhanced fuel, and method of using such enhanced fuel for operating internal combustion engine. The fuel includes a mixture of at least one alcohol, water and ammonium nitrate (AN) as a cetane enhancer. The water is included in a quantity which renders the ammonium nitrate dissolved in the at least one alcohol. The fuel further contains dimethylether as an ignition-improver additive, at least one lubricity agent and at least one anti-corrosion agent.

1 . A fuel for use in internal combustion engines, wherein the fuel includes a mixture of at least one alcohol, water and ammonium nitrate (AN) as a cetane enhancer, wherein water is included in a quantity which renders the ammonium nitrate dissolved in the at least one alcohol, wherein the at least one alcohol includes methanol. 
     
     
         2 . The fuel as claimed in  claim 1 , wherein the AN and water solution is mixed in alcohol to allow the AN/alcohol ratio in be in a range of 0.5% to 20% by weight with respect tot he aclohol, wherein the AN is included in a concentration having a range of 1% to 5% by weight with respect to the alcohol. 
     
     
         3 - 5 . (canceled) 
     
     
         6 . The fuel as claimed in  claim 1 , the fuel further contains polyethylene glycol dinitrate (PEGDN), wherein the PEGDN is included in a concentration in a range of 5% to 10% by weight with respect to alcohol. 
     
     
         7 . (canceled) 
     
     
         8 . The fuel as claimed in  claim 1 , wherein the fuel further contains at least one ignition-improver additive, at least one lubricity agent and at least one anti-corrosion agent, wherein the ignition-improver additive is at least one of dimethylether (DME), diethyl ether or methyl ethyl ether, wherein the DME is included in a concentration in a range of 0.1% to 3% by weight with respect to the alcohol. 
     
     
         9 - 11 . (canceled) 
     
     
         12 . The fuel as claimed in  claim 8 , wherein the lubricity agent is at least one of polyethylene glycol, synthetic esters, and fatty acids, wherein the anti-corrosion agent contains organic amines. 
     
     
         13 . (canceled) 
     
     
         14 . A method of producing a fuel, wherein the method includes:
 (i) Mixing at least one alcohol, dimethylether (DME) and Ammonium Nitrate (AN); and   (ii) During mixing in (i), adding water in a quantity which renders the AN dissolved in the at least one alcohol,   wherein the at least one alcohol includes methanol.   
     
     
         15 . (canceled) 
     
     
         16 . The method as claimed in  claims 14 , wherein the AN is included in a concentration having a range of 0.5% to 10% by weight with respect to the alcohol, wherein the AN in included in a concentration having a range of 1% to 5% by weight with respect to the alcohol. 
     
     
         17 . (canceled) 
     
     
         18 . The method as claimed in  claim 14 , wherein the DME is included in a concentration in a range of 0.1% to 5% by weight with respect to the alcohol, wherein the DME is included in a concentration in a range of 0.1% to 3% by weight with respect to the alcohol. 
     
     
         19 . (canceled) 
     
     
         20 . The method as claimed in  claim 14 , further includes adding at least one lubricity agent and at least one anti-corrosion agent, wherein the anti-corrosion agent includes organic amines. 
     
     
         21 . The method as claimed in  claim 20 , wherein the lubricity agent is at least one of polyethylene glycol, synthetic esters, and fatty acids. 
     
     
         22 . (canceled) 
     
     
         23 . The method as claimed in  claim 20 , further includes adding polyethylene glycol dinitrate (PEGDN), wherein the PEGDN is included in a concentration in a range of 5% to 10% by weight with respect to alcohol. 
     
     
         24 . (canceled) 
     
     
         25 . A method of using a fuel for operating an internal combustion engine, wherein the combustion engine including one or more combustion chambers having reciprocating and/or rotating elements therein which are operable to generate mechanical work from the engine, and an injection arrangement for injecting fuel into the one or more combustion chambers, wherein the method includes:
 (a) operating the injection arrangement to inject an alcohol-based fuel into the one or more combustion chambers, and wherein there is injected in combination with the alcohol-based fuel at least one ignition-improver.   
     
     
         26 . The method as claimed in  claim 25 , further includes pre-mixing the alcohol-based fuel and the at least one ignition-improver using a pre-mixing arrangement. 
     
     
         27 . The method as claimed in  claim 25 , further includes injecting the pre-mixed alcohol-based fuel and at least one ignition-improver as aqueous solution into one or more engine cylinders by a common injector. 
     
     
         28 . The method as claimed in  claim 25 , further includes injecting the alcohol-based fuel and the at least one ignition-improver into one or more engine cylinders by separate injectors. 
     
     
         29 . The method as claimed in  claim 25 , further includes controlling an amount of the at least one ignition-improver injected into the one or more combustion chambers relative to an amount of alcohol-based fuel injected therein by using a control arrangement. 
     
     
         30 . The method as claimed in  claim 25 , wherein the controlling of the amount of the at least one ignition-improver is based on one or more measured parameters associated with the combustion engine. 
     
     
         31 . The method as claimed in  claim 25 , wherein the alcohol-based fuel contains at least one alcohol, water, at least one lubricity agent and at least one anti-corrosion agent, wherein the anti-corrosion agent contains organic amines. 
     
     
         32 . The method as claimed in  claim 31 , wherein the lubricity agent is at least one of polyethylene glycol, synthetic esters, and fatty acids. 
     
     
         33 . (canceled) 
     
     
         34 . The method as claimed in  claim 25 , wherein the ignition-improver is at least one of: Dimethylether (DME), diethyl ether, methyl ethyl ether, Ammonium Nitrate (AN), PEG-nitrate, octyl nitrate, hydrazine, and hydroxylamine nitrate.