FIELD: chemical industry branches, namely production of varnishes, dyes, pigments, fillers, in pharmaceutical and other industry branches.
SUBSTANCE: method comprises steps of depositing calcium carbonate by reaction of aqueous solutions of calcium salts with aqueous solutions of carbonates; separating calcium carbonate out of solution by filtering; performing reaction at presence of cation surface - active matter at temperature no less than 85°C and at acting by means of ultrasound. Invention allows produce finely dispersed calcium carbonate with particle size 0.04 - 0.50 micrometers.
EFFECT: possibility for producing finely dispersed calcium carbonate with improved reaction capability.
1 tbl, 2 dwg
| Title | Year | Author | Number |
|---|---|---|---|
| METHOD FOR SEPARATE DETECTION OF SURFACE- ACTIVE ANION, CATION, AND NON-IONOGEN MATERIALS | 1998 |
|
RU2141110C1 |
| METHOD OF OBTAINING CALCIUM CARBONATE | 2013 |
|
RU2550865C1 |
| MULTIPURPOSE FILLER BASED ON CHEMICALLY DEPOSITED CALCIUM CARBONATE AND METHOD OF ITS PRODUCTION | 2007 |
|
RU2350637C2 |
| FULLERENOL PRODUCTION METHOD | 2020 |
|
RU2750604C1 |
| METHOD TO PRODUCE METAL NANOPARTICLES PROTECTED AGAINST OXIDATION | 2010 |
|
RU2455120C1 |
| ANTIBACTERIAL MEDICATION AND METHOD OF ITS OBTAINING | 2009 |
|
RU2419439C1 |
| CARBON DIOXIDE ABSORBENT, METHOD OF PRODUCTION OF SUCH ABSORBENT (VERSIONS), METHOD OF ITS REGENERATION, METHOD OF REMOVAL OF CARBON DIOXIDE FROM GAS MIXTURES, METHOD OF STEAM OR STEAM-AND- OXYGEN CONVERSION OF HYDROCARBONS, METHOD OF STEAM CONVERSION OF CARBON OXIDE, METHOD OF STORAGE OR GENERATION OF ENERGY BY USE OF ABSORBENT | 2002 |
|
RU2221627C1 |
| METHOD FOR THE PREPARATION OF METHANESULFONIC ACID | 2016 |
|
RU2648245C2 |
| METHOD OF PRODUCING PHARMACEUTICAL DELIVERY SYSTEM | 2015 |
|
RU2693491C2 |
| METHOD OF DETERMINATION OF NON-IONOGENIC SURFACTANTS | 0 |
|
SU1078325A1 |
