Gravel is a loose aggregation of rock fragments. Gravel is an important commercial product, with a number of applications.
Gravel is a loose aggregation of rock fragments. Gravel is an important commercial product, with a number of applications.
Gravel is used to support the filter sand and should have similar characteristics.
Technical Characteristics
Application | Features |
---|---|
Potable Water | good hydraulic characteristics (permeable) |
Surface Water | controlled sizing |
Tertiary Treatment of El¬uent | precise product |
Process Waters | simple chemical formula |
Swimming Pool Water | hard and durable |
brewing, paper processing | Hard and chemically inert |
Biological and Nitri¬cation Support Media | high melting point |