depuration
/dɪpʊˈreɪʃən/ or /dɪpjʊˈreɪʃən/Definitions
1. noun
the process of purifying or cleansing something, especially water, by removing impurities or contaminants
“The treatment plant implemented a new depuration system to improve water quality.”
2. noun
a period of purification or cleansing, especially in a religious or spiritual context
“The mystic spent several days in depuration, seeking spiritual enlightenment.”