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Intermodal transport: mobile degassing and emission reduction
in freight traffic (street and rail) and shipping

Freight transport by road, rail and water places high demands on safety, operational flexibility and sustainability. When transporting liquid or gaseous substances, residual gases and vapors regularly remain in tank trucks, tank wagons and ships. These emissions must be treated properly before product changes, maintenance work or further transport. This requires safe degassing and emission reduction.

We offer our customers in combined transport on road, rail and water efficient mobile solutions for the degassing and purging of tank trucks, tank wagons and ships. The mobile systems are extremely flexible and can be used directly at the respective location, for example in transhipment terminals, ports or company premises. We also offer a solution if stationary systems for emission reduction fail and when there is a risk of your own operating facilities being shut down.

Areas of mobile emission reduction in freight transport

Degassing

With our mobile vapor combustion units, we degas tanks in ships, tank trucks and tank wagons in a cost- and time-efficient manner. To remove residual gases, we burn gases, gas mixtures and vapors of the explosion groups IIA, IIB and IIC with a destruction rate of over 99.99%. The degassing process does not produce open flames, odors or vapors.

Purging

The mobile atmospheric vaporizer with nitrogen storage tank enables the inerting and purging of tanks containing flammable liquids and gases. Inerting with nitrogen creates a safe environment and prevents reactions such as oxidation. This allows the tanks to be emptied and degassed in combination with a mobile vapor combustion unit.

Replacement

ETS Degassing mobile vapor combustion units are also suitable for temporarily replacing stationary emission reduction systems such as vapor recovery units (VRUs). During VRU downtime for maintenance or repair, our systems take over the tasks of the VRU and ensure that operations can continue without restrictions. In combined freight transport, we can thus ensure that the loading and unloading of tank trucks, tank wagons and ships can continue even without a functional VRU at loading facilities.

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Examples of applications in freight transport and shipping

Degassing and cool-down of LNG tanker

In the Port of Amsterdam, we have degassed an LNG tanker with two mobile vapor combustion units to enable maintenance and repair works to be carried out in the shipyard. After the repairs, we have carried out a cool-down using our mobile vaporizer.
Further insights

Degassing LPG tank trucks

In preparation for regular maintenance, we were commissioned to degas ten LPG tank trucks. In addition to our mobile vapor combustion units, we also provided additional equipment such as pipes, flame arresters, valves, pressure reducers and T-pieces.
Further insights

VRU replacement in tank wagon terminal

For six months, we have replaced the failed VRU at a tank wagon loading facility. By applying our mobile vapor combustion unit, 22 tank wagons could continue to be loaded with ethanol every week without restrictions, preventing a shutdown of the entire plant.
Further insights

Temporary VRU replacement during ship loading

We have replaced the stationary VRU at a terminal in Belgium. Our mobile vapor combustion unit took over the treatment of emissions generated during ship loading. This allowed ship loading procedures to continue without interruption or restrictions.
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Degassing of tank wagons with several gases under pressure

To enable inspection, maintenance and repair, we were commissioned to degas several tank wagons. They had previously been loaded with propane, propylene, propene and isobutylene. Our mobile vapor combustion unit served as a replacement for the stationary equipment.
Further insights

VRU replacement for the loading of tank trucks

In a refinery, we have provided temporary back-up for the VRU. This enabled tank trucks to continue loading, with approximately 340 trucks loaded per day. The three-month replacement service prevented a shutdown of the refinery and the loading station.
Further insights