Decomposition system on board of a vehicle and the use thereof

Abstract

The system for use in a vehicle, comprises a decomposition unit ( 20 ) for at least partial decomposition of a compound under catalysis of a biological catalyst. The system is further provided with a storage unit ( 30 ) for storage of biological catalyst, and with a dosing device ( 31 ) for transferring biological catalyst into the decomposition unit (20).

1 . A system, comprising:
 a decomposition unit for decomposition of a compound under catalysis of a biological catalyst,   a storage unit for storage of the biological catalyst, and   a dosing device for transferring the biological catalyst into the decomposition unit.   
     
     
         2 . The system as claimed in  claim 1 , wherein the dosing device is configured for transferring a liquid composition of the biological catalyst. 
     
     
         3 . The system as claimed in  claim 2 , wherein the dosing device is a pump or a sprayer. 
     
     
         4 . The system as claimed in  claim 1 , wherein the dosing device is configured for transferring a composition of the biological catalyst in a solid form. 
     
     
         5 . The system as claimed in  claim 4 , wherein the dosing device is a mechanical distributor. 
     
     
         6 . The system as claimed in  claim 1 , wherein the storage unit is provided with a thermal conditioner for thermally conditioning the biological catalyst at a predetermined temperature range suitable for preservation of the biological catalyst. 
     
     
         7 . The system as claimed in  claim 1 , wherein the storage unit is provided with a refilling inlet for the biological catalyst. 
     
     
         8 . The system as claimed in  claim 1 , further comprising:
 a buffer tank for containing reaction product obtained in the decomposition unit.   
     
     
         9 . The system as claimed in  claim 1 , further comprising:
 a thermal conditioner for thermally conditioning the decomposition unit at a predefined temperature range corresponding to activation of the biological catalyst.   
     
     
         10 . The system as claimed in  claim 6 , wherein the thermal conditioner is at least one of a heater, a resistive heater, a Peltier effect cell, an insulating element, and a phase change material. 
     
     
         11 . The system as claimed in  claim 1 , further comprising:
 a controller for controlling the dosing device.   
     
     
         12 . The system as claimed in  claim 1 , wherein the decomposition unit is provided with a sensor for sensing progression of the decomposition. 
     
     
         13 . The system as claimed in  claim 1 , wherein the decomposition unit is configured for conversion of ammonia precursor into an ammonia composition. 
     
     
         14 . A vehicle, comprising:
 the system as claimed in  claim 1 .   
     
     
         15 . A method of operating a system on board of a vehicle, the method comprising:
 adding a biological catalyst stored in a storage unit into a decomposition unit through a dosing device, and   converting a compound in the decomposition unit under catalysis of the biological catalyst.