Leaching of NaOH 4:5-Sodium-Titanate Produced in an Autocuaticization Process. Part 2 Filtration Properties of the 1:3 ..., 1998 International Chemical Recovery Conference Proceedings

The filtration properties of 1:3 sodium titanate and the leaching of sodium hydroxide from 4:5 sodium titanate have been studied experimentally as well as theoretically. The experimental part was carried out using two different sets of equipment: ‘one for the filtration experiments and one for the leaching experiments. The filtration analysis showed that the average specific resistance decreased with increasing pressure. This is due to “flow stabilisation” which occurs at high liquid velocities in a filter cake. The leaching experiments showed that there are several parameters which influence the leaching rate, e.g. temperature, concentration and flow rate of the washing liquid. The mathematical model developed within this work was found to describe the overall kinetic behaviour with reasonable accuracy, but it did not describe the detailed kinetic behaviour. Thus, there are still phenomena that must be taken into account.

Author: Richards, T., Theliander, H.
Leaching of NaOH 4:5-Sodium-Titanate Produced in an Autocuat
Leaching of NaOH 4:5-Sodium-Titanate Produced in an Autocuaticization Process. Part 2 Filtration Properties of the 1:3 ..., 1998 International Chemical Recovery Conference Proceedings
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