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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 pa
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
## Abstract Acrylic cements are increasingly being used to augment osteoporotic vertebrae in a procedure called vertebroplasty. Two significant factors that may complicate the use of acrylic cements are: (a) short handling time, which may result in insufficient filling of the vertebra; and (b) exot