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Chemical and Biological Technologies in Agriculture

Table 1 Operating conditions for pilot-scale combined granulation and drying trial

From: A slow release nitrogen fertiliser produced by simultaneous granulation and superheated steam drying of urea with brown coal

Condition no.

Temperature (°C)

Fan speed (m/s)

Drum speed

Comments

0

150

1.25

Maximum

Start-up, previous coal only conditions used

1

150

1.75

Maximum

 

2

170

1.75

Maximum

 

3

170

1.25

Maximum

 
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