THE REMOVAL OF URANIUM FROM SIMULATED AMMONIUM DIURANATE FILTRATE BY NANOFILTRATION
Yuan Zhongwei; Wang Runci; Yan Taihong; Zheng Weifang; ASME
| HERO ID | 4697794 |
|---|---|
| In Press | No |
| Year | 2017 |
| Title | THE REMOVAL OF URANIUM FROM SIMULATED AMMONIUM DIURANATE FILTRATE BY NANOFILTRATION |
| Authors | Yuan Zhongwei; Wang Runci; Yan Taihong; Zheng Weifang; ASME |
| Abstract | In this study, a simulated ammonium diuranate filtrate (ADUF) which was obtained by adding uranyl nitrate to a 35 g/L ammonium nitrate solution to adjust the uranium concentration to about 50 mg/L was treated by a nanofiltration process. Experiments were carried out on a plate membrane testing device with a trans-membrane pressure (TMP) range of 0.5 similar to 3.0 MPa, a crossflow velocity range of 10 similar to 50 cm/s and a temperature range of 5 similar to 35 degrees C. The results show that NF270 membrane has good rejection property for uranium and excellent permeability for ammonium nitrate. The ammonium nitrate concentration in the permeate is about 32 g/L which means the reject ratio of ammonium nitrate is only about 10%. Though NF270 membrane shows good uranium rejection property, the corresponding permeate flux is very high. When the trans-membrane pressure is 1.5 MPa, the uranium reject ratio is 96.8% and the the corresponding permeate flux is about 80 L/(m(2).h). It indicates a bright application prospect of nanofiltration process in the treatment of ADUF. |
| Wosid | WOS:000426020600042 |
| Is Certified Translation | No |
| Dupe Override | No |
| Comments | Journal:PROCEEDINGS OF THE 25TH INTERNATIONAL CONFERENCE ON NUCLEAR ENGINEERING, 2017, VOL 7 |
| Is Public | Yes |