Vehicles' fueling by reformed hydrocarbons

Vehicles’ fueling by reformed hydrocarbons

Author: David Judbarovski, systems engineering, principle inventor, retired

judbarovski@gmail.com

 

Abstract

Full cycle of a vehicle fueling by purified hydrocarbons reformed by water steam would consume twice less fuel than by Internal Combustion Engine (ICE)

 

It is:

(1) The oil/NG purification after its extraction from the production wells and before transportation to consumers.

For that purpose, the oil/NG contaminants are avoided either by the aerated seawater or by its analog in a form of mineralized fresh water aerated too.

(2) The purified oil is refined by a refinery.

(3) The purified NG/liquid hydrocarbons is reformed by the water steam in excess quanyity and at high temperature creating a gaseous mix of hydrogen and carbon dioxide in moles ratio of 4 : 1, directly on-board of a vehicle.

The said steam reforming is endothermic and consumes about 210 Joules/mol.

(4) The said carbon dioxide is poisoning the most types of fuel cells, and has to be divided from hydrogen, e.g. to reform in “dry ice”, i.e. a solid form of the carbon dioxide. It consumes negligible another 25 Joules

(5) The said hydrogen is fueling an air-hydrogen fuel cell to produce electricity in quantity about 4 * 286 * 0.67 = 770 Joules for NG, and 575 Joules for oil, moving the vehicle with energy efficiency about 45 % vs. about 23% for ICE and 30% for hybride

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