The Battle of Safety Vs Non-Conductive Solvents and Non-Conductive Equipment
Robert J. Prytko, Chemistry and Pharmaceutical Sciences, Sepracor, Inc., 84 Waterford Drive, Marlborough, MA 01752

In the kilolab, the importance of considering electrostatic discharge when scaling up chemistry is often overlooked. The reasons for this appear to be related to:

1. Lack of data in determining how to assess potential problems.

2. Electrostatic theory and practical applications are not taught in most universities.

3. Previous lab operations are looked upon as a guarantee of future success.

In any case, the failure to account for electrostatic discharges can have devastating results and thus warrants detailed planning to minimize or eliminate in the kilolab. A case study will be presented showing how basic grounding failed to prevent charge accumulation and the subsequent discharge during a filtration operation. This event led to a root cause analysis and ultimately, to the implementation of new equipment, PPE and procedures. Specific topics will include:

1. Charge generation from “normal” operations.

2. Kilolab equipment set-up and design.

3. Materials of construction for kilolab equipment and transfer lines.

4. Solvent properties: There's more than just flashpoint to consider!

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Safety in Design and Operation - Pilot Plants and Unit Operation Labs: I I

The Preliminary Program for 2005 Annual Meeting (Cincinnati, OH)