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Dewatering

Practically every modern day plant involves at some stage, the addition and/or extraction of water. 

This is especially the case in the coal and minerals industries where MoistScan® is used in association with dewatering equipment such as centrifuges, vacuum filters and other solid-liquid separation technology.  

Water addition commonly begins at the mine where it is applied to suppress dust, starting at the face and at transfer points, throughout its transport out of the mine.  Consequently the material arriving at the preparation plant is already wet, frequently visibly. 

Both economic and practical consideration dictates that water must be removed to a predetermined level after it has been processed and before it is dispatched.  Often this level of moisture is critical.  Too much moisture may cause transportation and safety issues as well as result in payment penalties.  Too little moisture may result in quality reduction and loss of saleable yield.   In this regard online moisture analysis can play an important part in dewatering and drying.

Click here to contact us in relation to your dewatering process and how MoistScan® online moisture sensors might benefit you.



Application examples

Canada


Instrument:
Material:
Installation:
Moisture:
Purpose:


MA-600VDF
Nickel Concentrate
Rotary disc filter
8 - 10%
Process automation and feed-back control

 

Coal Preparation - QLD, Australia


Instrument:
Material:
Installation:
Bed Depth:
Moisture:
Purpose:


MA-500 (2 units)
Coking Coal
On belt conveyor between filters and dryer.
100-300mm
7 - 12%
Monitor the dewatering of fine coal and also to ensure that product coal meets contract specifications in terms of moisture content.

moura-install

 

 

 

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