Recovery of Boron from Underground Brine by Continuous Centrifugal Extraction with 2-Ethyl-1,3-hexanediol (EHD) and Its Mechanism

Figure 4

Back-extraction of boron by five-stage centrifugal extraction with NaOH solution at R(O/A) = 1 : 1 (a) and 2 : 1 (b)

(a)

(b)