| 摘要 |
The invention concerns the use of a hygroscopic mineral additive as dust free additive for powder products and compositions, in particular for soil amendment or soil amendment fertilisers such as in particular raw soil amendment products or raw soil amendment products mixed with TSP, potassium chloride and/or natural phosphate or the like. The inventive dust-free additive consists in accordance with its general characteristic: a) at least a hygroscopic mineral additive; b) optionally, in combination with at least a hydrophilic organic compound; c) at least a common solvent, which can constitute, wholly or partly, the hydrophilic organic compound b). It is used for soil amendment and/or fertilisation of agricultural crops and in other technical sectors where the same type of problem arises related to the generation and dissemination of large amounts of dust, that is in all sectors where powder products, and possibly certain granular products are used, manipulated, ground, etc... |
