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Why is the Hot lime Soda process preferred over the Cold lime soda process?
1 Answer
written 3.6 years ago by |
Cold Lime Soda Process | Hot Lime Soda Process |
---|---|
It is carried out at room temperature (250C - 300C) | It is carried out at high temperatures (950C - 1000C) |
It is a slow process | It is a rapid process |
Use of coagulant is necessary | Use of coagulant is not necessary |
Filtration is not easy | Filtration is easy as viscosity of water is low |
Residual hardness is 60 ppm | Residual hardness is 15 - 30 ppm |
Dissolved gases are not removed | Dissolved gases are removed |
It has low softening capacity | It has high softening capacity |
Hot lime Soda process is preferred over the Cold lime soda process because