Coal briquetting at the presence of humates as the binding substance

  • Zh. Arziev Institute of New Chemical Technologies of SB NAS KR, Osh
  • Zh. Kairbekov Scientific Research Institute for New Chemical Technologies and Materials, Almaty
  • V. Yemelyanova Scientific Research Institute for New Chemical Technologies and Materials, Almaty
  • E. Shakiyev Scientific Research Institute for New Chemical Technologies and Materials, Almaty
  • Zh. Myltykbaeva Scientific Research Institute for New Chemical Technologies and Materials, Almaty
  • T. Shakiyeva Scientific Research Institute for New Chemical Technologies and Materials, Almaty
DOI: https://doi.org/10.15328/chemb_2013_3106-111
Keywords: coal, briquetting, humates, binding substance, technology

Abstract

The results of coal briquetting at the presence of humates derived from coal at the stage of its chemical preparation by the extraction method are resulted in the paper. The conditions of briquetting and strength characteristics of the received briquettes are optimized. It is demonstrated that briquettes with the durability reaching 3 MPa can be derived from a coal fines using sodium, ammonium and silicate humates as binding substance. Water solutions of ammonium, sodium and silicate humates with concentration from 0,1-2% can be recommended for practical purposes. It is recommended to expose coal briquettes on a basis of ammonium humate to the thermal treatment at temperature 200°C as necessary of long storage (more than a year). The technological scheme of briquetting and the working project of creation of briquette factory with productivity of 40 000 tons of coal per year are developed.

References

1. The description of technology of dehydration and briquetting of coal and coal wastes [Opisanie tekhnologii obezvozhivaniya i briketirovaniya uglya i ugol'nykh otkhodov]. http://barnaul.all.biz/tehnologiya-obezvozhivaniya-i-briketirovaniya-s223819.

2. Dzhamanbaev A. Coals of Kirgiziya and a ways of their rational use [Ugli Kirgizii I puti ikh ratsional'nogo ispol'zovaniya]. Frunze: Ishim, 1983. –237 p.

3. Beryozkin Z.A., Hotuntsev D.D., Grebennikov V. S. Lowering of outgoings of hydrocarbonic binding substances at briquetting of semicoke of Sulyuktinsky coal [Snizhenie raskhodov uglevodorodnykh svyazuyushchikh veshchestv pri briketirovanii polukoksa Sulyuktinskogo uglya]. – Questions of energetics and use of energy resources of Kirgiziya [Voprosy energetiki i ispol'zovaniya energeticheskikh resursov Kirgizii]. Frunze: Ishim, 1983. –282 p.

Published
2013-09-14
How to Cite
Arziev, Z., Kairbekov, Z., Yemelyanova, V., Shakiyev, E., Myltykbaeva, Z., & Shakiyeva, T. (2013). Coal briquetting at the presence of humates as the binding substance. Chemical Bulletin of Kazakh National University, 71(3), 106-111. https://doi.org/https://doi.org/10.15328/chemb_2013_3106-111
Issue
Vol 71 No 3 (2013): Chemical Bulletin of Kazakh National University
Section
Catalysis and Petrochemistry
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