The real fuel economy (with its processing methods) is the alterative result of its physical and chemical properties.

Any fuel activating without usage of additional additive compounds (reagentless fuel modification) must be attended by depolimeryzation, chemistry changing (that is faction, cetane, octane numbers), physical properties’ changing (that is density, viscosity, fluidity, vaporability, Just owing to these the fuel combustion processes are changed, that can provide the fuel economy during its usage. Certificated analyses, which fix these changes in valid frames (government standards, terms of reference [TOR], etc.), are the most important proof of working capacity of any fuel updater (that is devices for fuel economy).

1. Polymerized Hydrocarbon Fuel and Depolymerization

Any fuel, regardless where it is kept, is constantly exposed to changing because of temperature influence, humidity, vibration, internal molecules’ gravitation... Such influence compels the fuel to broaden and compress. As a result, the hydrocarbon molecules begin to attract each other, thus forming molecular groups named "molecule clusters" or polymerized fuel (it can be seen well, when you hold in a hand 5 year masut that reminds of fruit marmalade).
Such "clusters" form chains. Access of oxygen is limited into the created chains, that is a reason of incomplete fuel combustion, regardless the air amount supplied from air collector. Complete fuel combustion would not happen, even owing to air overabundance.

On the right - hardburnt polymerized standard fuel bearing water, paraffine and incombustible particles. Greater part of fuel molecules is of polymerized (linked) state.

When this mixture is conflagrated, the burning process will begin on the active side of every large, «agglutinate» polymeric link. Burning process to be braked while collision, and paraffine or sulfur’s burning will be partial, that results burning deceleration, toxic wastes and partial combustion of fuel mixture in whole. Partial burnt fuel molecules form exhaust that is toxic emissions and smoke.

For such chain complete combustion purposes, it is necessary either to provide with oxygen supply into the chain or divide the chain into separate molecules. It is achieved with the help of depolymerization.

Fuel Depolymerization

Thus, the difference between burning of ordinary fuel and depolymerized one may be compared with burning of wooden board and equal in mass chip heap. If the fuel contains water, the process does not only slow down, but becomes more rapid, even and economical with the special modes of fuel treatment.

On the right - the same fuel moleculesin depolymerized state.

Thus, the difference between burning of ordinary fuel and depolymerized one may be compared with burning of wooden board and equal in mass chip heap. If the fuel contains water, the process does not only slow down, but becomes more rapid, even and economical with the special modes of fuel treatment.

Substandard DF ... Fuel injection intensity

After depolymerization the fuel fluidity increases, fuel density diminishes (according to the analysis of the fuel); surface tension forces diminish providing more qualitative its dispersion and economy.

Summary

1. Any device, that promises fuel treatment with the purpose of his economy, must provide fuel depolymerization, that is easily confirmed with results of analyses on firmness, viscidity at any petroleum depot.

2. Recombination time (reverse polymerization time) is an important property of any fuel activator.

3. Depolymerization is not a sufficient level of fuel properties’ improvement.
These are of exceptional importance:

- simultaneous change of fractionary (chemical) fuel composition;
- possibility of change regulation;
- continuance of good result retention in the fuel.

Methods of fuel depolymerization are contemplated here.
Change of chemical fuel composition
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