The water-soluble inorganic chlorine content in the product is shown to be washable by water
mixing and washing shown in Table 7. Minimum water required was for B22 sample only using
100ml water for 25 gram of sample, equal to 68.3% of raw (wet) product mass. Maximum
solubility of calcium chloride in 30°C is 27%11 compared to 1.4% in the experiment, therefore
improved washing process in elevated temperature can be expected to further reduce the required
water for washing