Preparation of grouts using ash and slag from combustion of coal–water slurry fuel

Coal waste recycling is of high priority of this day. A promising and approved solution is the use of coal slurry to prepare coal–water suspensions. The obtained coal–water fuels can be used at thermal and water power plants, while ash and slag from fuel combustion is suitable for preparation of grouts. The mineral compositions of ash and slag from combustion of coal–water slurry fuel in special vortex burner are analyzed. High content of silicon oxide and aluminum oxide in combination with low content of carbon conditions efficient use of ash and slag in production of construction materials, first of all, grouts, widely applicable in mining, backfilling, etc. This article describes the studies of rheological properties and strength of grouts made of ash and slag. Recycling of coal slurry, ash and slag from coal preparation plants and coal-fired electric power plants can considerably abate adverse environmental impacts and improve economics.

Keywords: grout, ash and slag, coal–water slurry fuel, fine dispersed coal waste, filter cake, mineral composition, rheological properties, viscosity, strength.
For citation:

Volkov M. A., Grinyuk A. P., Murko V. I., Khyamyalyaynen V.A., Baev M. A. Preparation of grouts using ash and slag from combustion of coal–water slurry fuel. MIAB. Mining Inf. Anal. Bull. 2020;(8):97-104. [In Russ]. DOI: 10.25018/0236-1493-2020-8-0-97-104.

Acknowledgements:

The study was supported by the Russian Foundation for Basic Research, Project No. 20-43-420016/20.

Issue number: 8
Year: 2020
Page number: 97-104
ISBN: 0236-1493
UDK: 622.257.1:622.273.218
DOI: 10.25018/0236-1493-2020-8-0-97-104
Article receipt date: 12.05.2020
Date of review receipt: 19.06.2020
Date of the editorial board′s decision on the article′s publishing: 20.07.2020
About authors:

M.A. Volkov1, Manager,
A.P. Grinyuk1, Deputy Manager for Production and Technical Policy,
V.I. Murko1, Dr. Sci. (Eng.), Professor, Deputy Manager for Science, e-mail: sib_eco@mail.ru,
V.A. Khyamyalyaynen2, Dr. Sci. (Eng.), Professor, Head of Chair,
M.A. Baev2, Senior Lecturer,
1 Branch of Sibniiugleobogashchenie LLC, Prokopyevsk, Russia,
2 T.F. Gorbachev Kuzbass State Technical University, 650000, Kemerovo, Russia.

 

For contacts:

V.I. Murko, e-mail: sib_eco@mail.ru.

Bibliography:

1. Vatin N. I., Petrosov D. V., Kalachev A. I., Lakhtinen P. Use of ashes and ash-and-slad wastes in construction. Inzhenerno-stroitel'nyy zhurnal. 2011, no 4 (22), pp. 16—21. [In Russ]. DOI 10.5862/MCE.22.2.

2. Smolenskiy O. V. Use of fly ash of thermal power plants in the production of building materials and construction. Tekhnologii betonov. 2012, no 1—2 (66—67), pp. 10—11. [In Russ].

3. Efremenko A. S., Khaltaeva E. P. Application of thermal power plant ash and slag waste in high-strength light concrete production. Vestnik Irkutskogo gosudarstvennogo tekhnicheskogo universiteta. 2014, no 8, pp. 86—89. [In Russ].

4. Goud V., Soni N. Partial replacement of cement with fly ash in concrete and its effect. IOSR Journal of Engineering (IOSRJEN). 2016. Vol. 6. No 10. Pp. 69—75, available at: http://iosrjen. org/Papers/vol6_issue10/Version-2/I0610026975.pdf (accessed 19.11.2019).

5. Khudyakova L. I., Zalutskiy A. V., Paleev P. L. Use of ash and slag waste of thermal power plants. XXI vek. Tekhnosfernaya bezopasnost'. 2019, no 4 (3), pp. 375—391. [In Russ]. DOI 10.21285/2500-1582-2019-3-375-391.

6. Sajjad Ali Mangi, Mohd Haziman Wan Ibrahim, Norwati Jamaluddin, Mohd Fadzil Arshad, Sri Wiwoho Mudjanarko Recycling of coal ash in concrete as a partial cementitious resource. Resources. 2019. Vol. 8. No 2. DOI: 10.3390/resources8020099.

7. Norhaiza Ghazali, Khairunisa Muthusamy, Saffuan Wan Ahmad Utilization of fly ash in construction. IOP Conference Series Materials Science and Engineering. 2019. Vol. 601. Article 012023. DOI 10.1088/1757-899X/601/1/012023.

8. Olivia M., Wibisono G., Saputra E. Early strength of various fly ash based concrete in peat environment. MATEC Web of Conferences. 2019. Vol. 276. Article 01022. DOI 10.1051/matecconf/201927601022.

9. Khyamyalyaynen V.A., Baev M. A. Experimental studies of the physical and mechanical properties of cement slurry based on cement and waste coal. Vestnik Kuzbasskogo gosudarstvennogo tekhnicheskogo universiteta. 2013, no 6, pp. 12—19. [In Russ].

10. Khyamyalyaynen V.A., Baev M. A. Estimation of influence of waste coal on physical and mechanical properties of plugging solutions and technology parameters cementation. MIAB. Mining Inf. Anal. Bull. 2014, no 4, pp. 247—253. [In Russ].

11. Papin A. V., Nevedrov A. V., Sechin A. I. Complex processing of low grade coal and coal processing waste. Polzunovskiy vestnik. 2014, no 3, pp. 220—223. [In Russ].

12. Lavrinenko A. A., Svechnikova N. Yu., Igumensheva E. A., Konovnitsyna N. S. Use of coal flotation waste as non-conventional fuel for low-temperature fluidized bed furnaces. MIAB. Mining Inf. Anal. Bull. 2017, no 9, pp. 123—130. [In Russ]. DOI: 10.25018/02361493-2017-9-0-123-130.

13. Murko V. I., Khyamyalyainen V.A., Baranova M. P. Use of ash-and-slag wastes after burning of fine-dispersed coal-washing wastes. E3S Web of Conferences. 2018. Vol. 41. Article 01042. DOI 10.1051/e3sconf/20184101042.

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