Environmental friendly vehicle light hydrocarbon fuel

Abstract

The present invention discloses an environmental-friendly vehicle light hydrocarbon fuel, with contents of its components as below according to part by weight: (1) light hydrocarbon: 100 parts by weight; (2) aromatic hydrocarbon: 4˜60 parts by weight; (3) lead free antiknock: 0˜20 parts by weight; (4) cation fluorocarbon surfactant: 0˜0.2 parts by weight; and (5) surface active increased superscript agent: 0.001˜2 parts by weight. The product of the present invention can increase auto-ignition temperature of the fuel, improve distillation range distribution of the fuel, increase burning velocity of the fuel, enhance power and reduce abrasion of an engine, avoid the formation of piston carbon, and lower consumption of the fuel. With a calorific value≧42000 KJ/kg, the environmental-friendly vehicle light hydrocarbon fuel is an energy saving, environmental-friendly, and cost effective substitute for gasoline vehicle fuel.

1 . An environmentally friendly light hydrocarbon fuel comprising:
 (1) light hydrocarbon: 100 parts by weight;   (2) aromatic hydrocarbon: 4-60 parts by weight;   (3) lead free antiknock: 0-20 parts by weight;   (4) cation fluorocarbon surfactant: 0-0.2 parts by weight; and   (5) surface active increased superscript agent: 0.001-2 parts by weight.   
     
     
         2 . The environmentally friendly light hydrocarbon fuel of  claim 1 , wherein a main component of the light hydrocarbon is pentane or other heavy hydrocarbons extracted from condensate of a petrochemical plant or from natural gas. 
     
     
         3 . The environmentally friendly light hydrocarbon fuel of  claim 1 , wherein the aromatic hydrocarbon is selected from the group consisting of toluene, xylene, and hybrid aromatic hydrocarbons used to produce. 
     
     
         4 . The environmentally friendly light hydrocarbon fuel of  claim 1 , wherein the lead free antiknock is selected from the group consisting of methyl tert-butyl ether, tert-amyl methyl ether, tert-butyl alcohol, isobutanol, anhydrous methanol, and anhydrous ethanol. 
     
     
         5 . The environmentally friendly light hydrocarbon fuel of  claim 1 , wherein the cation fluorocarbon surfactant is selected from a fluorinated alkyl amine salt, a quaternary ammonium salt, or mixtures thereof according to formulas (1), (2), (3):
 (1) quaternary ammonium salt containing fluorinated alkyl amine.
   (CF 3 ) 2 CF(CF 2 ) 6 CH 2 CH(OH)CH 2 N + (CH 3 ) 3 I −   
   (2) perfluorinated alkyl amide quaternary ammonium salt:
   C 7 F 15 CONH(CH 2 ) 3 N + (CH 3 ) 3 I −   
   (3) fluorinated alkyl amine salt:
   [F(CF 2 ) 8 CH(OH)CH 2 ] 2 NCH 2 CH 2 NH 2 .1/2H 2 SO 4    
   
     
     
         6 . The environmentally friendly light hydrocarbon fuel of  claim 1 , wherein the surface active increased superscript agent is obtained by mixing one of components {circle around (1)}-{circle around (6)} with component {circle around (7)}:
   C 8 F 17 SO 2 N(CH 3 )CH 2 OP(O)(OH) 2   {circle around (1)}     C 8 F 17 SO 2 N(CH 3 )CH 2 OP(O)(ONa) 2   {circle around (2)}     C 8 F 17 SO 2 N(CH 3 )CH 2 CH 2 OP(O)(OH) 2   {circle around (3)}     C 8 F 17 SO 2 N(CH 3 )CH 2 CH 2 OP(O)(ONa) 2   {circle around (4)}     C 8 F 17 SO 2 N(C 2 H 5 )CH 2 CH 2 OP(O)(OH) 2   {circle around (5)}     C 8 F 17 SO 2 N(C 2 H 5 )CH 2 CH 2 OP(O)(ONa) 2   {circle around (6)}     C 17 H 35 CONH(CH 2 ) 2 NHCOC 17 H 35   {circle around (7)}   
     
     
         7 . The environmentally friendly light hydrocarbon fuel of  claim 6 , wherein 100 parts by weight of one of the components {circle around (1)}-{circle around (6)} is mixed with 60-80 parts by weight of component {circle around (7)}. 
     
     
         8 . The environmentally friendly light hydrocarbon fuel of  claim 1 , wherein the cation fluorocarbon surfactant is present in a range of 0-0.1 parts by weight based on 100 parts by weight of the light hydrocarbon. 
     
     
         9 . The environmentally friendly light hydrocarbon fuel of  claim 1 , wherein the surface active increased superscript agent is present in a range of 0.01-0.2 parts by weight based on 100 parts by weight of the light hydrocarbon. 
     
     
         10 . The environmentally friendly light hydrocarbon fuel of  claim 1 , wherein the surface active increased superscript agent is selected from one of components {circle around (8)}, {circle around (9)}, and {circle around (10)}, or mixtures thereof:
   C 8 F 17 SO 2 NHCH 2 CH 3   {circle around (8)}     C 8 F 17 SO 3 K  {circle around (9)}     C 8 F 17 SO 3 N(C 2 H 5 ) 4   {circle around (10)}