hat
①Swap dlo Separasyon NF Manbràn-WSNF Seri Nan kondisyon konsantrasyon segondè (TDS> 20000 mg / L), NaCl te separe de Na2SO4.
eng
①Wastewater Separation NF Membrane—WSNF Series In the condition of high concentration (TDS > 20000 mg/L), NaCl was separated from Na2SO4.