Chlorine Reduction by Water Washing
Water mixing and washing experiments were performed for B22, B31 and C11 samples. 25 gram
of dry samples obtained from 105 °C constant temperature oven drying were well-mixed with
distilled water in various amount from 100 ml to 500 ml. The mixtures were then undergoing
vacuum-filtration process using vacuum pump and 5 micron paper filter. Liquid part obtained
from filtrated water was analyzed by portable ion chromatography equipment Shimadzu PIA-
1000. The calculated chlorine content in the water was then deducted to the previously obtained
inorganic chlorine content of solid, concluding the calculation