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DEUSA International GmbH
Nordhäuser Str. 2
99752 Bleicherode
   

  +49 36338 67 - 0
  +49 36338 67 - 103
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History

 

1858   Hour of birth of German potash mining industry

  
1899   Establishing of a royal, Prussian salt mine at Bleicherode

  
1903   First finished production -
Basis of the potash production has been the mining of hard salt, a mixture of potassium chloride, sodium chloride and sulphates. In course of time work processes improved and the existing technique was modernized, so that production increased year by year.

 
1970
-

1978 
  The depletion of hard salt stocks was foreseeable, necessitated new technologies of mining and processing. The realization to only use the carnallite in the long run, led to the development of selective carnallite leaching and the respective processing technology. Roots of DEUSA International go back to the year of 1890.

1976    Start of drilling within the exploration program

  
1978     Start of testwork of small scalepoint plant at the underground of the conventional mine Bleicherode

  
1979     Construction of the first production drilling

 

1981  

Start of research and developement activities at the site Kehmstedt


 

1985

 

Start hot leaching operation


  
1988  

Starting the processing plant


   
1993  

Foundation of Deusa Solbergwerke und Aufbereitungs GmbH


   
1995  

Gas power station and magnesium chloride plant


   
1996    Starting a new plant to the production of „Bischofit“ (firm magnesium chloride)

2001  

Takeover of Deusa Solbergwerke by DEUSA International GmbH,
Large investments by the new shareholder for safety issues,
Stabilization and capacity increase (KCl-benification, potash storage),
Inprovement of energy efficiency (co-generation measures) with the aim to increase the production volume to 120kt.


2009   Inauguration of new mining areas, drilling of new bores, take over power plant

 

2012   Commissioning of new KCl drying station