Can someone explain to me how to regenerate NaOH from Na2CO3 to NaOH again, because i use NaOH to purify CO2 from Biogas product?

i use NaOH to purify Biogas , adsorb CO2 using NaOH, and then NaOH that used become Na2CO3, i want to regenerate Na2CO3  to NaOH again but i don't know how

30 September 2015 7,428 8 View