Twenty Years of Large-Scale Sediment Treatment At the Metha-Plant, Hamburg
Type:
Presented during:
WODCON XX: "The Art of Dredging" - 2013, Brussels, Belgium
Authors:
Detzner HD
Abstract: The METHA-Plant is a key technology of the Hamburg Dredged Material Management concept which includes in total different technologies for treatment, beneficial use, and disposal of dredged material while, at the same time, taking care of the environment. Annually about 0.9 Million m³ sediment are treated in the METHA-Plant to secure the operational capability of the Port of Hamburg.
After a time of more than 10 years of research, development and planning the large scale sediment treatment plant METHA has started operating 20 years ago in March 1993. At that time the METHA-Plant set a new stateof- the-art technology. The treatment technique of the METHA-Plant combines sand / silt separation at 63 μm and 20 μm with an aligned dewatering technology for each type of product, e.g. sand, fine sand and silt.
A photography driven reminiscence will be presented to show the technological treatment concept and the progress due to the ongoing examination and adjustment of the technology during the last 20 years of operation. METHA-Plant represents up to now the state-of-the-art. So it’s safe to say, that the METHA-Plant is furthermore on the same technological level than comparable newer projects like e.g. the AMORAS-Project, Antwerp, Belgium and the Fox River Cleanup Project, Wisconsin, USA.
Keywords: dredged material treatment, separation, dewatering