Ejlskov starts in-situ BioRemediation tests at PetroChina oil storage facility in Fuxin

In-situ BioRemediation tests are now in full progress at PetroChina’s oil storage facility in the Liaoning Province. The tests are conducted to obtain site-specific knowledge regarding practical feasibility and to develop certified local project partnerships.

The results from the test will provide the basis for a full-scale remediation of the site.


27.05 2020
Ejlskov enters agreement with Petro China for environmental investigation at two large oil deposits in the Gansu Province

This week, two projects for Petro China were added to Ejlskov’s growing number of projects in China.

The agreement is a result of a tender request for environmental investigation of two large Oil deposits.
Ejlskov will conduct a risk evaluation investigation of the sites to determine presence of contamination in soil or groundwater.

The project will be conducted this summer and the results will be presented in 3D utilizing Ejlskov’s unique 3D modelling software.


As the sole supplier of the patented RPI Trap & Treat® solutions in Europe and China, Ejlskov’s CCO, Carsten Frederiksen, spoke to GeoDrilling International about modern solutions for dealing with soil and groundwater contamination. The market for remediation is gaining foothold, and the reason for this is partly due to the increased interest in – and financial gain from – transforming contaminated sites into habitable environments.
Read the full interview in the article here…

Ejlskov and HAIFA Group agrees to start joint venture company and start DKK 28 million cleanup project in China

Ejlskov A/S achieves great breakthrough in China.

In 2018 Ejlskov A/S signed an memorandum of understanding (MOU) with Hailing District of Taizhou city regarding a full-scale demonstration site for in-situ biological treatment/restoration of soil and groundwater. Ejlskov and HAIFA Group have now agreed to clean up the site by use of Ejlskov’s market leading in-situ BioRemediation technology.

The project has been heavily supported by the Chinese authorities including Jiangsu Provincial Academy of Environmental Science, and is also a natural consequence of an MOU signed directly by Ejlskov with Jiangsu Provincial Government regarding an exchange of technologies.

The project is a major breakthrough for Ejlskov, and a milestone for the long-term development the Sino-Denmark soil and groundwater cleanup program, particularly Aarhus Municipality’s and Danish Region’s long-term promotion of Danish technology.

The project has been approved as a national model project in China, and the overall purpose is to ensure efficient implementation of China’s national development program for ecological and sustainable remediation of soil and groundwater. The agreement between Ejlskov and HAIFA Group also includes establishing a joint venture company (JV). The JV will be a natural extension of HAIFA Groups business areas which already includes environmental services. The JV will focus on the implementation of the technology in primarily the Jiangsu Province, but on long term basis the target is to cover all major provinces in China.

Ejlskov has been working in China for several years and based on the long-term relations with the authorities and companies, Ejlskov has built up a substantial understanding of the Chinese market and the national ambitions for a greener China.

Ejlskov’s presence in China has also led to the establishment of a research and development cooperation with Jiangsu Provincial Academy of Environmental Science for the development of advanced biological treatment technologies for soil and water.

The agreement was signed at in Denmark at Aarhus city hall by:
Zhou Weimin,
GM of Taizhou Hailing Urban Development Group Co., Ltd.
Palle Ejlskov,
CEO Ejlskov A/S,
Zhou Ailing,
Director of Hailing Ecological Environment Bureau

in the presence of Vice director Zhou Haixia, Hailing District of Taizhou Government,
Head of Office Rolf Johnsen, Region Midtjylland and
Vicemayor Bünyamin Simsek, Aarhus Municipality

Oil pollution at Østerstrand is removed by biological remediation

On Thursday, October 3, 2019, Ejlskov began the biological remediation of a 30-year-old oil pollution in the Østerstrand area of Fredericia. The case has received a great deal of media attention, and you can read some of the articles here:

Fredericia Dagblad
Bacteria eating oil spills at Shell’s port terminal, read article here:

Cleantech Watch
Bacteria are eating oil spills at Shell’s port terminal, read the article here:

TV2 / South
See the pictures: Now Shell is starting to remove old oil pollution on the beach, read the article here: old- oil pollution-paa-stran

Shipping Watch
Bacteria are eating oil spills at Shell’s harbor terminal, read the article here:

Fredericia Avisen
Østerstrand must be cleaned up: Beach to be opened to the public again, read the article here:

BioRemediation of oil pollution at Østerstrand, Fredericia.

Now the underground biological barrier is established at Shell’s port terminal – even a few weeks faster than expected. 

March 11, 2019

March 11, 2019
During the summer of 2018, Ejlskov completed site investigations and prepared an in-situ cleanup program for a Chinese industrial company, restoring an oil-contaminated site.

Now a Chinese team has been established to support Ejlskov by the in-situ installation on site. A task, that requires the exact distribution of carbon-based injectates (CBIs) into the soil and injections at appropriate intervals. Ejlskov’s site manager, Italian engineer Giorgio Ceriani, is on the job, and he enjoys the collaboration with his Chinese colleagues.

“It´s amazing how committed and passionate our newly established Chinese crew performs”, he says. “It´s really a pleasure to work with these guys. Thanks to their dedication, everything runs on schedule, and we expect the installation to be completed within the next 5 – 10 days”.

February 27, 2019

Ejlskov Trap & Treat BOS 100® in-situ technology proves high potential for groundwater protection and treatment of sites contaminated by explosive compounds. Positive results from a pilot test performed in July 2018 by Ejlskov for one of its clients, now show evidence that BOS 100® effectively degrades problematic explosive compounds such as Trinitrotoluene (TNT), Cyclonite (RDX) and Trinitrobenzene (TNB).

The trial area covered approximately 50 sqm and the execution of 8 injection points with treatment depths between 10 and 15 meters below ground level (m bgl). After years with contamination in the area, a significant decline in the presence of explosive compounds is now being observed.

Regular groundwater monitoring will continue throughout 2019 for further evaluation and verification of the successful achievements so far. Work learnings from the project will eventually form the basis for future remediation efforts on larger scale.