FIELD: technological processes.
SUBSTANCE: invention relates to a method of determining composition of electrolyte, in particular bath ratio (BR) and concentration of potassium fluoride (KF) in electrolyte based on thermal measurements in order to control the process of electrolysis of aluminum. Method comprises extraction and extraction of at least three samples of molten electrolyte, cooling of samples, construction and analysis of thermal cooling curves, as a result of which BR value is determined for sodium electrolytes or concentration of potassium fluoride for mixed electrolytes with subsequent determination of BR taking into account concentration of KF, provided that content of support phases is not less than 5 wt%.
EFFECT: possibility of rapid and accurate determination of BR electrolyte and concentration of KF in electrolyte.
8 cl, 3 tbl, 9 dwg, 1 ex
| Title | Year | Author | Number |
|---|---|---|---|
| DEVICE AND METHOD FOR DETERMINATION OF ELECTROLYTE COMPOSITION | 2016 |
|
RU2651931C2 |
| METHOD FOR DETERMINING COMPONENT COMPOSITION AND CRYOLITE RATIO OF SOLID SAMPLES OF POTASSIUM-CONTAINING ELECTROLYTE OF ALUMINIUM PRODUCTION BY XPA METHOD | 2014 |
|
RU2550861C1 |
| PROCEDURE FOR PREPARING SAMPLES OF CALCIUM CONTAINING ELECTROLYTE IN ALUMINIUM PRODUCTION FOR ANALYSIS OF COMPOSITION WITH RPA (ROENTGEN-PHASE ANALYSIS) METHOD | 2010 |
|
RU2418104C1 |
| METHOD FOR PREPARING SAMPLES OF POTASSIUM-CONTAINING ELECTROLYTE OF ALUMINIUM INDUSTRY FOR ANALYSING COMPOSITION AND DETERMINING BATH RATIO BY X-RAY FLUORESCENCE ANALYSIS | 2013 |
|
RU2542927C1 |
| METHOD OF ELECTROLYTE ANALYSIS FOR ALUMINIUM OXIDE CONTENT | 2007 |
|
RU2358041C2 |
| METHOD OF AUTOMATIC MONITORING OF BATH RATIO | 2013 |
|
RU2540248C2 |
| METHOD FOR CRYOLITE RATIO DETERMINATION FOR ELECTROLYTE WITH CALCIUM, MAGNESIUM AND POTASSIUM FLUORIDES ADDITIVES USING XRF METHOD | 2015 |
|
RU2616747C1 |
| METHOD OF FORMING IN A BATH FOR ELECTROLYTICAL MANUFACTURE OF ALUMINIUM | 0 |
|
SU683638A3 |
| METHOD FOR X-RAY DETERMINATION OF CRYOLITE RATIO DURING ELECTROLYTIC PRODUCTION OF ALUMINIUM | 2014 |
|
RU2586167C1 |
| METHOD OF DRAWING ELECTROLYTE SAMPLES FROM ALUMINUM ELECTROLYZER | 2004 |
|
RU2284377C2 |
