The paper discusses cement production in using a vertical kiln. We caution the authors that some recent work by us has shown that high sulfur contents of clinker made in a rotary kiln may lead to delayed ettringite formation (DEF) if the sulfate is not readily soluble. No standard tests of cement, i
Physico-chemical characteristics of cement produced using sulphur bearing fuels in the black meal process for cement manufacture
✍ Scribed by P. Barkakati; D. Bordoloi; S. Bandyopadhyay; U.C. Borah
- Publisher
- Elsevier Science
- Year
- 1993
- Tongue
- English
- Weight
- 418 KB
- Volume
- 23
- Category
- Article
- ISSN
- 0008-8846
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✦ Synopsis
Assam coal containing 2-6% sulphur and around 40% volatiles can be used for making quality cement in the black meal process for cement manufacture using the Vertical Shaft Kiln (VSK) technology. It is observed that the use of these sulphur bearing fuels need little modification in the operational parameters of the VSK. The chemical, mineralogical and physical properties of the clinker/cement produced using Assam coal as fuel in the above process are provided. The clinkers generated with sulphur bearing coals are studied and probable reasons for obtaining quality cement even with an SO 3 content of more than 3% in the clinkers are discussed.
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