FIELD: energy.
SUBSTANCE: invention relates to atomic power engineering, specifically, to ion-exchange treatment of boron-containing water in a system for recovery of boric acid of coolant at a NPP with WWER type reactors. Method of removing boron-containing concentrate in a boric acid recovery system at NPP comprises successive filtration of boric concentrate, coming from evaporator at temperature 60-80 °C, on ion-exchange filters, loaded with hydrogen form of carboxylic cationite based on cross-linked polyacrylate, hydrogen form of sulphocationite and form of a free base of a low-basic anionite with groups of benzyldimethylamine type.
EFFECT: invention reduces amount of ballast salts, supplied to radioactive concentrates of NPP with spent regeneration solutions, and drastically reduce non-production losses of boric acid.
4 cl, 5 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| BORIC ACID RECYCLING METHOD | 2020 |
|
RU2741050C1 |
| METHOD FOR COMPLETE RECYCLING OF BORIC ACID USED AT A NUCLEAR POWER PLANT FOR CONTROLLING THE INTENSITY OF A NUCLEAR CHAIN REACTION | 2020 |
|
RU2755708C1 |
| SORPTION-FILTERING CHARGE FOR COMPLEX WATER PURIFICATION | 2022 |
|
RU2786774C1 |
| METHOD OF REGENERATION OF LOW-ACID CARBOXYLIC CATIONITES | 2004 |
|
RU2257265C1 |
| METHOD OF WATER TREATMENT | 0 |
|
SU1830052A3 |
| WATER TREATMENT PROCESS | 1999 |
|
RU2163569C1 |
| METHOD OF DEEP CHEMICAL DESALINIZATION OF WATER | 0 |
|
SU812726A1 |
| WATER TREATMENT PROCESS | 1999 |
|
RU2163568C1 |
| METHOD OF REGENERATION OF ANIONITE FILTERS OF CHEMICAL DEMINERALIZATION PLANT | 0 |
|
SU814443A1 |
| METHOD OF PRODUCING DESALINATED AND DEMINERALISED WATER FOR NUCLEAR POWER PLANTS FROM SALINE WATER | 2015 |
|
RU2598432C1 |
