FIELD: chemistry.
SUBSTANCE: invention relates to inorganic chemistry and can be used in the production of fertilizers, concrete, in the treatment of wastewater. Method for producing an anhydrous calcium nitrate powder includes a stage of drying a solution of calcium nitrate containing 15-70 % by weight of water, 30-85 % by weight of calcium nitrate in an industrial turbo-dryer at a temperature of 200-300 °C. Anhydrous powder contains 92-99.9 % by weight of calcium nitrate and 0.1-8 % by weight of water. Particle size is 0.05-1.5 mm.
EFFECT: it provides an increase in the degree of purity of calcium nitrate, a reduction in the particle size of the powder to improve and accelerate dissolution and eliminate clogging of elements of devices during production.
12 cl, 1 ex, 1 tbl
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD OF PRODUCING POWDERED MATERIAL BASED ON CARBONATED HYDROXYAPATITE AND BRUSHITE | 2014 |
|
RU2546539C1 |
| METHOD FOR PRODUCING CERAMIC POWDER BASED ON HYDROXYAPATITE AND WOLLASTONITE | 2017 |
|
RU2657817C1 |
| METHOD FOR PRODUCING HEAT STORAGE MATERIAL BASED ON CALCIUM-POTASSIUM NITRATE DOUBLE SALT TRIHYDRATE (VERSIONS) | 2022 |
|
RU2790484C1 |
| ADDITIVES TO AMMOXIDATION CATALYSTS BASED ON METAL OXIDE MIXTURES INPUT BEFORE CALCINATION | 2013 |
|
RU2619943C2 |
| LAYERED TITANATES, METHODS FOR PRODUCTION AND USE THEREOF | 2010 |
|
RU2564339C2 |
| METHOD FOR PRODUCING FERTILIZER PARTICLES CONTAINING ALTERNATIVE BORON SOURCES | 2018 |
|
RU2765251C2 |
| SOLID DISPERSED COMPOSITION OF CALCIUM NITRATE, CONTAINING ANTI-CAKING AGENT | 2016 |
|
RU2698879C1 |
| METHOD OF OBTAINING NANOCRYSTALLINE SILICATE-SUBSTITUTED CARBONATEHYDROXYAPATITE | 2014 |
|
RU2555337C1 |
| METHOD FOR PURIFICATION OF ETHYLENE FROM ADMIXTURES OF ACETYLENE | 2008 |
|
RU2383521C1 |
| CATALYST FOR PRODUCING BUTADIENE-1,3 AND METHOD OF PRODUCING BUTADIENE-1,3 USING SAID CATALYST | 2014 |
|
RU2552984C1 |
