Recharge GFO

add 8L of fresh water mixed with 6.4mL of full strength muriatic acid. Rinse for 4-6 hours and then drain.
Regeneration of GFO with sodium hydroxide: For every 500mL of GFO, add 8L of fresh water mixed with 320g of sodium hydroxide. Rinse for 72-96 hours and then drain.
Fresh water rinse with deionized water (The effectiveness of this step depends on the method you use to rinse the GFO–see the section on rinsing below for more details): For every 500mL of GFO, rinse with at least 20-25L fresh water.

2022-01-16T20:40Z[GMT]