Catalyst change-out in tubular reactors '
Catalyst change-out in tubular reactors '
Catalyst change-out in tubular reactors '
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. Unloadlng<br />
Ceoiln<strong>in</strong>g<br />
Loadlng<br />
Me~rPment<br />
~<br />
<strong>Catalyst</strong> <strong>change</strong>-<strong>out</strong><br />
<strong>in</strong> <strong>tubular</strong> <strong>reactors</strong><br />
i ,I<br />
I '<br />
I I<br />
I<br />
I<br />
I'<br />
Uf1 load<strong>in</strong>g<br />
Unloadlng<br />
This operation r~uirei the emptylng<br />
of thousands of vertJcal tubes filled<br />
witil catalyrt and <strong>in</strong>erts.<br />
The operation mU$tbe carried <strong>out</strong> not<br />
only iSSquldcly 85 posslble. but also<br />
with considerabJe technlcal skilI, In<br />
order to achieve a maximum recovery<br />
of $pent catal)l$t. The catalyst, catalyst.<br />
dust and <strong>in</strong>erts do not dump freely<br />
from the tube.but need to be<br />
removed by physical ml!ans.<br />
Depend<strong>in</strong>g on the age of the c.1talyst<br />
"nd its opei"at<strong>in</strong>g h<strong>in</strong>ory. unload<strong>in</strong>g<br />
can be a time-consum<strong>in</strong>g operation.<br />
& Pruddof>q ,h~ l~ ITI(
<strong>Catalyst</strong> <strong>change</strong>-<strong>out</strong> <strong>in</strong> <strong>tubular</strong> <strong>reactors</strong> Unload<strong>in</strong>g<br />
...""" .'Mt "r<br />
h. rotrIQ0' !M\pr r.go<br />
i\Dr»,1nQ~ 41ty.<br />
tk!s<br />
Ir '0. WIMII() nrt'<br />
. ~,JCtQ4'1.,..
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