Calcium Chloride from Waste Water

Through this process, valuable calcium chloride can be recovered from waste waters produced by mining and waste incineration, among others. This reduces the amount of waste that goes into landfills and creates added value for the plant.

Related Technologies

Mechanical Vapour Recompression (MVR)

Multiple Effect Evaporator (MEE)

Rising Film Evaporator

Value

Wide range of feed compositions
Variable product configurations
High steam economy results in low fuel consumption
Utilization of gypsum slurry process minimises scaling
High purity calcium chloride product
High final calcium chloride concentration increases energy efficiency of calciner or granulator

Process

Feedstock can be sodium carbonate (soda ash) waste water, or waste water from waste incineration flue gas cleaning plants, waste to product processes - all concentrations
Mechanical Vapour Recompression or Multiple Effect Evaporation depending on utility costs
Selective crystallisation of sodium chloride
Drum flaker and calciner for flakes
Fluid bed granulator for granules
Sodium chloride > 99 %