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REMONDIS Group locations

Discover the world of REMONDIS with its 1,000+ branches and associated companies in more than 30 countries across Europe, Africa, Asia and Australia.


Tank cleaning and tank inspections


Tank cleaning

Cleaning, inspecting and overhauling tanks and tank farms

Tanks and similar types of storage vessels not only need to be cleaned regularly to make sure that they work properly and can be used safely over a long period of time. This work must also be carried out to ensure that you – the operator of the system – meet your statutory obligations. Thanks to our extensive expertise and connections within the REMONDIS Group, we can offer you a comprehensive range of services for all types of vessels used for storing or transferring liquids. Besides carrying out conventional tank cleaning tasks, we also overhaul and even decommission tanks. And, of course, we also handle the disposal of all the residual materials. When you work with us, you have a team of experts at your side that can deliver all the tasks needed – from the beginning all the way through to the end of your tank’s service life.

It’s always best to have professionals clean your tanks on a regular basis. Doing so will help lower your repair and maintenance costs. Send us an enquiry

A quick look at our tank cleaning services

Providing comprehensive, expert advice

Separating the non-contaminated material

Pumping out all remaining contaminated material

Cleaning the tanks using high pressure water jets and removing any detachable residue

Pumping out the dirty wastewater

Examining the tank’s interior walls to check for possible corrosion (tank inspection)

Returning the reusable material to the tank for further use

Transporting and treating the oil sludge / cleaning water, plus all documentation

Professional tank cleaning and tank maintenance work with REMONDIS Industrie Service

Health & safety

Different health and safety measures may be needed depending on the type of waste or residue. We are a certified specialist tank protection business and are prepared for all situations thanks to our wide range of protective equipment.

Tank design

Various parameters – such as accessibility, design, size and amount of residual contents – play a key role in determining which equipment and how many and which employees must be deployed. We’ve got everything under control here, as well.

Corrosion protection

Additional measures may need to be taken during the cleaning process to protect steel tanks against corrosion. We carry out these tasks reliably and know exactly what has to be done.

Tank contents

Specialist technology may be required depending on what substance is being stored in the tank and on the composition of the sediment. We have, for example, special rubber-lined suction/vacuum trucks and tanks for liquids that are highly acidic or highly alkaline.

Pressurised containers

The safety requirements set out in the European Pressure Equipment Directive 97/23/EC must be observed if the work involves a closed vessel that has a pressure of more than 0.5 bar inside it.

“We can also provide you with specialist staff and technical experts to help you dismantle and certify the decommissioning of your tank farm.”

Sara, Project Manager


From individual tanks to tank systems: bespoke tank cleaning services for all types of tank

Tank cleaning is not an off-the-peg service. You only have to look at the large number of tank systems and the different environments that they are found in. We provide you with a bespoke service that meets the exact requirements of your tank(s). That may be an oil storage tank for heating a business. Or every other type of tank, such as tanks at industrial firms, airports, builder’s yards and petrol stations. Whenever we’re contacted to clean tanks or tank farms, our first task is to provide our customers with competent upfront advice. The information gathered from this meeting is then used to draw up – and then implement – a suitable cleaning concept. This is the most efficient way to clean your tank and to achieve the very best results.

Modern technology and qualified staff delivering professional tank cleaning services

When you work with us then you can be sure that you’ll be getting top quality tank cleaning and tank protection services. Being an accredited specialist business for tank inspections, we know all the relevant rules and regulations and all the different processes that must be used to clean tanks. That also includes, for example, how to handle flammable liquids from all hazard classes correctly and safely. All of our tank cleaning operatives have, of course, received extensive specialist training and are qualified to clean facilities handling substances that are hazardous to water (so-called AwSV facilities) in line with German water laws. And we have the same high expectations of our equipment as we do of our personnel. We only ever use certified equipment and modern specialist vehicles.

All our branches have been awarded EfbV accreditation (specialist waste management business) and AwSV accreditation (certified to clean facilities handling substances that are hazardous to water)

The different stages involved in cleaning a tank


Opening & emptying the tank

If the tank still has liquid in it (oil, diesel etc) when it needs to be cleaned, then we first pump the liquid out using our vacuum truck and store it on site in one of our mobile tanks or send it away for treatment if needed.

Measuring gas levels

In line with the relevant safety regulations, we first check the levels of gas in the tank to make sure the atmosphere is safe to work in.

Entering the tank/vessel

If required, our tank cleaning specialist enters the tank wearing a safety belt at all times. We also deploy other work safety measures (such as shock absorbers and respiratory protective equipment) depending on the project requirements and the size of the tank.

Cleaning the tank

Sediment, sludge and any other residue are removed from the interior walls using high pressure water jets. This is done to protect the material from being damaged by aggressive deposits as well as to prevent sludge getting into the vacuum pipes.

Checking & renovating the tank

If the tank is made of steel, then we remove any rust damage and check the tank’s interior walls for corrosion. If necessary, we replace the filter in the oil tank and clean the pipes. What’s more, we also carefully examine the condition of the walls. The reason for this: it’s possible that the sulphur in the heating oil binds with water and creates an aggressive acid that can then cause pitting on the surface of the oil tank.

Removing the cleaning residue

Once again, we pump all the liquids out of the vessel. It goes without saying that we transport and treat all the cleaning residue using professional and environmentally sound processes.

Inspecting the tank (if required)

If necessary, we carry out a professional inspection of the tank in line with all relevant rules and regulations and document this work.

Final report

Once the cleaning work has been completed, we check the tank’s functions and then write up a report on the state of the tank, which can be shown, for example, to your insurance company as proof.

We also have specialists in our REMONDIS Group that are able to clean large industrial tank farms using, for example, non-man-entry systems. Get in touch with us to find out more

Address and contact details

REMONDIS Industrie Service GmbH & Co. KG
Brunnenstraße 138
44536 Lünen
T +49 2306 1068938
F +49 2306 106686

REMONDIS Industrie Service GmbH & Co. KG