Pharmaceuticals
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Pharmaceuticals
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Pharmaceutical plants run batch processes that release solvent vapour in bursts, often with chlorinated solvents among them, and their effluent plants release odorous, solvent-laden air. The four points below are the main problems these plants face.
Solvent load rises and falls with each batch, from almost nothing to a short peak.
Chlorinated solvents form acid gases when burned, and these must be quenched and scrubbed.
Effluent treatment releases odour and solvent vapour that neighbours and inspectors notice.
A plant that changes its products changes its vent composition as well.
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Oxidisers are sized for the batch peaks as well as the quiet periods between them.
Quench and scrubbing sections treat the acid gases from chlorinated solvents.
Thermal oxidisers are designed for destruction efficiency above 99%.
Effluent plant air can be treated as well as the process vents.
