RESEARCH OF THE POSSIBILITY OF REDUCING THE CIRCULATION OF SULFUR OXIDE IN THE PRODUCTION OF WHITE CEMENT

A. Novosyolov; I. Olianina; I. Novoselova; Yu. Vasina; Yu. Dreer; T. Loik; Yu. Kudelina

doi:doi:10.34031/2071-7318-2021-6-7-89-98

VAK Russia 05.17.00 UDC 66 CSCSTI 61.35 Russian Classification of Professions by Education 18.02.05 Russian Library and Bibliographic Classification 35 Russian Trade and Bibliographic Classification 62 BISAC SCI013060

RESEARCH OF THE POSSIBILITY OF REDUCING THE CIRCULATION OF SULFUR OXIDE IN THE PRODUCTION OF WHITE CEMENT

Published в Bulletin of Belgorod State Technological University named after. V. G. Shukhov · Volume 6, Issue 7, 2021 · Pages 89–98 · Rubrics: Chemical technology

DOI 10.34031/2071-7318-2021-6-7-89-98

Received: 30.05.2021 Accepted: 10.07.2021 Published: 10.07.2021

Authors

A. Novosyolov ¹ · I. Olianina ² · I. Novoselova ³ · Yu. Vasina ⁴ · Yu. Dreer ⁵ · T. Loik ⁶ · Yu. Kudelina ⁷

1 Belgorod State Technological University named after V.G. Shukhov (Kafedra TCKM, Docent)
Belgorod, Russian Federation

2 Belgorod State Technological University named after V.G. Shukhov
Russian Federation

3 Belgorod State Technological University named after V.G. Shukhov
Russian Federation

4 Belgorod State Technological University named after V.G. Shukhov
Russian Federation

5 Belgorod State Technological University named after V.G. Shukhov
Russian Federation

6 Belgorod State Technological University named after V.G. Shukhov
Russian Federation

7 Belgorod State Technological University named after V.G. Shukhov
Russian Federation

ABSTRACT

The article discusses the possibility of reducing the circulation of sulfur oxide in the production of white cement by introducing alkaline potassium oxides K2O and sodium Na2O. A decrease in the circulation of sulfur oxide SO3 is achieved by increasing its yield in the clinker by transferring SO3 from a more sublimated compound of calcium sulfate CaSO4 to less sublimated potassium sulfates K2SO4 and sodium Na2SO4. Potassium and sodium oxides are introduced in the composition of carbonates and feldspar. The amount of introduced alkali oxides is controlled by the molar ratio A/S between sulfur oxide SO3 and alkaline oxides K2O and Na2O. It is shown that with the same molar ratio between sulfur oxide and alkaline oxides, the amount of SO3 removed with clinker depends on the ratio between potassium and sodium oxides. The higher the sodium oxide content, the more sulfur oxide comes out with the clinker and less remains to circulate in the kiln. The sublimation of sulfur oxide decreases from 70.5% - without the introduction of alkaline oxides, to 38,5 % at the maximum A/S ratio with the addition of potassium and sodium oxides in a ratio of 80:20 %. When potassium and sodium oxides are added in a ratio of 20:80%, the sublimation of sulfur oxide is reduced to 7,7 % at the same A/S ratio.

KEYWORDS

: white cement white clinker burning reduced sulfur oxide circulation dry production covering

Information References

Authors:

1. Belgorod State Technological University named after V.G. Shukhov (Kafedra TCKM, Docent)

Belgorod, Russian Federation

2. Belgorod State Technological University named after V.G. Shukhov

Russian Federation

3. Belgorod State Technological University named after V.G. Shukhov

Russian Federation

4. Belgorod State Technological University named after V.G. Shukhov

Russian Federation

5. Belgorod State Technological University named after V.G. Shukhov

Russian Federation

6. Belgorod State Technological University named after V.G. Shukhov

Russian Federation

7. Belgorod State Technological University named after V.G. Shukhov

Russian Federation

Type:

Article

Pages:

from 89 to 98

Status:

Published

Subject area:

VAK Russia 05.17.00
UDC 66
CSCSTI 61.35
Russian Classification of Professions by Education 18.02.05
Russian Library and Bibliographic Classification 35
Russian Trade and Bibliographic Classification 62
BISAC SCI013060 Chemistry / Industrial & Technical

Language:

Russian

Keywords:

: white cement, white clinker burning, reduced sulfur oxide circulation, dry production, covering

References

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RESEARCH OF THE POSSIBILITY OF REDUCING THE CIRCULATION OF SULFUR OXIDE IN THE PRODUCTION OF WHITE CEMENT

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