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Cellulose Processing
| Cellulose
is the main constituent of plant cell walls. Cellulose
and cellulose derivatives can be found in the form of
binding or thickening agents in foodstuffs and in pharmaceutical
products. In addition, a wide application area is the
construction material industry. Microcrystalline cellulose
is also used in low-calorie salad dressings and desserts,
etc. Cellulose derivatives are found in bakery products
as well as in meat, fish and diet meals, etc. In the pharmaceutical
industry, cellulose is used as a swelling agent to promote
the fast release of active substances. |
The system shown below is used to process cellulose derivatives.
The feed size is < 1 mm and feed moisture < 3.2% H2O.
The required end-product fineness is 99.5% < 125 µm.
The throughput rate is a function of the mill and classifier
sizes including the accessories.
As can be seen from the flowchart, the
system operates in two stages. This is necessary because the
cellulose derivative is difficult to grind and cannot be completely
ground to the desired end fineness in one single step. In other
words, the coarse material from the first grinding-classifying
stage is ground and classified once again in a second stage.
Cellulose derivatives are more often than not a dust explosion
hazard. Because of this, Hosokawa Alpine uses systems that are
pressure-shock-proof to 10 bar (overpressure). For us, "Safety
First" is not just a saying but a commitment.
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