How to get in : Take the wrong entrance. Cross the blackberry bush. Jump the fence. Walk along the slag heap. Climb the metallic structures. Avoid the mercury droplets. Listen to a belgium guy explaining you how to do urban exploration... thanks my lord...:)
The coke plant started its operation in 1906. It has been closed at the end of the year 2002. It is probably one of the most polluted site in Europe. You can find whatever you need : ammoniac, mercury, benzene...