High-performance vibro sifter for processing pharmaceutical powders
Cipla Ltd optimizes its API processing OEL complaint plant with Russell Finex's high-capacity sieving solution whilst maintaining product quality
By: Russell Finex Sieves & Filters Pvt Ltd
Cipla's new OEL compliant plant was built for the manufacture of a new highly potent drug and as with nearly all processes handling pharmaceutical powders, to ensure specification and quality were upheld a number of sieving operations were required. Firstly, on incoming raw materials to remove any oversized contamination and secondly after granulation to remove undersized particulates.
It was the task of Tapas Datta, factory manager of Cipla plant in Goa, to source a suitable vibro sifter to meet their stringent requirements. Due to the vibrating action of a sieve, dust can be generated very easily and therefore the need for a high containment sieve was required. It was during its showcase at an exhibition in 2005 when he came across the OEL level 5 sieve offered by Russell Finex. Known as the Russell Compact Airlock Sieve®, it utilizes a pneumatic clamping system, which, combined with its patented Twist Lock Inflate (TLI) technology, provides a uniform dust tight seal.
The relationship between Russell Finex and Cipla started in 2001 after purchasing their first circular vibro sifter. To date, the Goa site has multiples of Russell screeners positioned in a variety of production lines carrying out various check screening and grading applications.
The plant has been in operation for over 3 years and Cipla have been looking at ways to improve the process further. Although the cGMP design of the screener is based on clean lines making sanitation easier, reducing the exposure of operators to products during clean down of the sieve can be achieved by retrofitting the Russell WIP system. This spray ball system allows an even spray on the product contact parts to wet the components prior to dismantling the sieve improving handling of the components during clean down.
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