Does water wash away gasoline?

Consequences of water contamination

It was not water but the additive mixed with regular gasoline that caused the breakdown of at least 40 vehicles. Ricardo Herrera, one of those affected, confirmed that his trusted mechanic made the first analysis. “The mechanic told me that the car’s gasoline had an additive that was poorly regulated. He cleaned and washed the tank, cleaned the injectors and we poured gasoline into it to check it and that was all the car had,” said Ricardo.

On the other hand, the fuel distribution company assured that it is very complicated to try to mix water with gasoline, since there are at least four locks to avoid contamination of the products. “We make a fresh analysis, a quality analysis before unloading. With this we see octane, if it has more sulfur, and if there is any fault we do not unload it,” said Hiram, gas station employee.

Of the 10 complaints filed with PROFECO in this case, four have already been resolved in favor of the affected parties. Gustavo Cárdenas: Fuerza Informativa Azteca

Water contamination

What happens when the fuel does not burn completely in the combustion chamber? The answer to this question has a lot to do with certain breakdowns, since the fuel, in these circumstances, tends to flow into the crankcase. In fact, it flows down through the piston skirt into the crankcase, where it mixes with the engine oil.

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Once this anomaly occurs, several effects take place. One of them is the washing of the liner walls, piston skirt and rings, which means that the fuel drags the oil, so that the area is left without lubrication and a polishing of the liners takes place.

Although this may sound like a dry-cleaning service, nothing could be further from the truth: it actually means that, in the absence of lubricant, the surfaces rub against each other, resulting in wear. As the liner is polished, it is more difficult for the liner to retain lubricant in the area, which can lead to failures such as seizure of the piston and the liner itself.

Water Pollution Examples

The present invention relates to the automotive branch and thus to a hydro-injection system and its component devices of the type employed in water injection -hydro-injection- in internal combustion engines operating by means of the principle of molecular dissociation of water. The system is composed of a hydro-turbo (24), a water tank (16), a filter (17), a flow valve (18) and a control box (19). On the other hand, the hydroturbo (24), the main element in this system, consists of a main base (1) and an inner base (8) joined by means of screws or bolts (3). The inner base has an inlet (12) and an outlet (13) in the shape of a venturi. The union of the bases (1) and (8) form the compression chamber (5). Inside the hydroturbo has a propeller (2) that is fixed to a shaft (9) which is supported by an anchor base (10) and a bearing system (11). On the other hand, the anchor base (10) is fastened to the inner base (8) by means of screws or bolts (7). The hydroturbo (24) also has a piston tube (4) and a compression tube (6) fixed to its base and a containment mesh (14) located at the outlet of the inner base (8).

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Water contamination: causes

When you pour a glass of water or fill a car with gasoline you notice that the water and gasoline flow freely. But when you pour syrup on pancakes or add oil to a car engine, you notice that the syrup and motor oil do not flow as easily. The viscosity of a liquid is a measure of its resistance to flow. Water, gasoline and other free-flowing liquids have a low viscosity. Honey, syrup, motor oil, and other liquids that do not flow freely, such as those shown in Figure \(\(\PageIndex{1}), have higher viscosities. We can measure viscosity by measuring the rate at which a metal ball falls through a liquid (the ball falls more slowly through a more viscous liquid) or by measuring the rate at which a liquid flows through a narrow tube (more viscous liquids flow more slowly).

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Figure \(\(a) Honey and (b) motor oil are examples of liquids with high viscosities; they flow slowly (credit a: modification of work by Scott Bauer; credit b: modification of work by David Nagy).