Remediation of the Former Manufactured Gas Plant in Menen, Belgium


Remediation of the Former Manufactured Gas Plant in Menen, Belgium

Peter Van den bossche and H. Brangers (Witteveen+Bos Consulting Engineers)
Anke Van Royen and Inge De Vrieze (OVAM (Public Waste Agency Flanders, Belgium))


Peter Van den bossche

Witteveen+Bos Consulting Engineers

Speaker Bio:

Mr. Van den bossche is working as a soil consultant at Witteveen+Bos Consulting Engineers since 2006 and has more than 10 years of experience in this field. He was responsible of large and complex national and international remediation projects in combination with redevelopment. Furthermore Mr. Van den bossche is project manager of several remediation projects of former manufactured gas plants in Belgium.


The former manufactured gas plant located in the city centre of Menen (Belgium), was in operation during the second half of the 19th century and the first half of the 20th century. Its former activities resulted in soil and groundwater contamination with tar, cyanides and PAHs. Nowadays the technical department of the municipality is located at the site. The remediation works under supervision of Witteveen+Bos were executed by order of Eandis. Eandis nowadays offers network solutions for electricity, natural gas, heating and public lighting. This project is part of the remediation programme of MGP’s in Flanders of Eandis. In 2016 the excavation works at the site were carried out. The contaminated soils were transported by boat for processing. After completion of these activities the site has been redeveloped to a new parking area. At the moment a groundwater monitoring takes place in order to follow up the cyanide concentration and the natural attenuation processes of the tar plume. From the start of remediation works, local stakeholders and people living in the direct neighbourhood of the site were involved and informed through newsletters, meetings and a website. During the works, a strategic procedure focused on risk management with as major target odour prevention control. Therefore a protocol was elaborated and when needed a fog cannon was used as an odour masking system.


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