Cleaning through jet wash

High-pressure blasting is the oldest application of water jet technology. Originally used in mining, technology is used in today’s industry in particular for cleaning, stripping, and deburring technical components.

High-pressure water jetting is based on a simple principle:

A pump brings the water to pressures of up to 500 bar. A safety valve or rupture disc protects against overpressure in the system and a nozzle generates the water jet that is directed towards the work piece to suit the application. An additive can optionally be added to the water.

By changing the essential parameters of pressure, volume flow and nozzle configuration, a wide variety of applications can be dealt with efficiently. 

Jet washing Systems determines these important parameters to suit the application using the infrastructure in the test laboratory. In addition, we strive to keep resource consumption low and protect the environment through closed cycles and filtering.

CO2 can be separated selectively with the pressure wash. This results from the fact that methane is practically insoluble in water and other washing media such as amines. While washing with water requires extremely high pressures, practically complete removal of CO2 from the biogas can be achieved with amine washing. However, nitrogen and oxygen cannot be removed. A process developed by DGE for the separation of CO2 works with DEA ​​as a detergent. In this procedure, superimposed reactions occur in the liquid phase of the detergent.

The highly pure gas mixture

These considerations show that a biogas purification using the DGE process provides a high purity methane gas mixture for feeding into the natural gas network or for use as a fuel. If the purified biogas is used as fuel and the CO2 obtained is marketed, the process can also be implemented economically without subsidies. The process is very economical, especially in regions where there is no need for heat, but for cooling capacity. Supplying regions that are difficult to access with fuel from native raw materials is certainly an interesting alternative here.

Cleaning a roof, under what conditions should a low-pressure jet be used?

Maintaining the roof of a house is a task that should not be neglected. If mosses and lichens are not too numerous on your roof and do not tend to grow because you live in a dry climate, a low-pressure jet cleaning may be sufficient.

It is a V-shaped jet that has a pressure of 80 bars. The jet must always be directed downwards to prevent water from entering under the tiles. It has the advantage of being fairly soft, so as not to damage the surface of the tiles or slates which, with a stronger jet, risk cracking. Obviously, everything depends on the condition of your roof and its degree of wear.

For sloping roofs and houses with several floors, it is recommended to go through a professional who knows all the safety measures on the one hand and who can also advise you on how to prolong the good condition of your roof.

Note: If you remove moss from the roof with a low-pressure jet, this operation should be repeated every year.

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