Table 4: Hydraulic characteristic parameters of red mud.

Type of sampleαd (kPa−1)αw (kPa−1)ndnwθsdθswθrdθrwksatd (cm/s)ksatw (cm/s)

Bayer red mud0.0120.0151.701.800.690.450.110.115.0E − 064.0E − 06
Sintering red mud0.0120.0152.102.200.730.620.260.261.0E − 058.0E − 06