Basic Shapes for Use in PDD PDD: Training Basic Shapes for Use in PDD 10 TASK cool Gas IN Aqueous IN Solvent IN Solid IN heat Aqueous Fed batch, i.e. Extended or slug addition Solvent Solid Gas increasing decreasing constant vapour solid aqueous liquid Organic liquid © Britest 2006

Some Standard Boxes PDD: Training © Britest 2006 10 TASK 10 TASK 10 TASK 10 TASK Vapour generation – e.g. By heating or reaction Two phase mixing – e.g. Reaction or LL extraction Solid changing – e.g. Clay or carbon treatment removing impurities Solid generation – e.g. Precipitation or crystallisation 10 TASK 10 TASK 10 TASK 10 TASK Vapour removal – e.g. By cooling Solid removal – e.g. By dissolution/ reaction 10 TASK 10 TASK 10 TASK 10 TASK Constant solid – e.g. Filter media or aid that Is essential unchanged. Solid addition that generates New solid e.g. by precipitation Slow addition of solid that Gradually all dissolves/ reacts © Britest 2006