Besides picking the right one, the biggest headache today for all metalworking fluid users is disposal.  This guide from UKLA is concerned only with metalworking fluids.  Treatment and disposal options depend on the type and volume of waste, so treatment solutions are difficult to determine.  The aim of this guide is to help engineering companies to select the most suitable technologies available in terms of cost and performance. Here you will find reviews of various types of treatment options. These can be divided in to primary, secondary and tertiary with details.  The main body of the guide explores competing options in secondary treatment methods.  Remember to contribute you opinions and experience to our forum.