| abstract |
There is disclosed a material comprising a base formed substantially of cellulose fibres onto which is adsorbed a composition comprising one or more aliphatic carboxylic acids having hydrocarbon chains consisting of 8 to 20 carbon atoms, and a filter material comprising a matrix in which is dispersed a granular formulation of this material. The material can be used to adsorb hydrocarbon pollutants, such as oil spills, from a fluid stream and may be contained in filter cartridges 18. |