NDLI: Effects of Grinding Aids on Grinding Fineness and Activity Index of Ground Blast Furnace Slag

Content Provider	IEEE Xplore Digital Library
Author	Huifen Yang Feng Zhou
Copyright Year	2010
Abstract	This paper investigates and compares the effects of five kinds of grinding aids, i.e., triethanolamine, calcium lignosulphonate, sodium oleate, sodium tripolyphosphate and glyceryl alcohol, on grinding fineness and activity index of ground blast furnace slag. The results show that, both calcium lignosulphonate and sodium oleate are effective grinding aids, which can improve grinding fineness and activity index of ground blast furnace slag significantly. The optimum amounts of calcium lignosulphonate and sodium oleate are 0.2% and 0.1% respectively. Under that optimum condition, the d90 and specific surface area of ground blast furnace slag are 43.77um, 35.64um, and 424.75m2/kg, 530.47m2/kg, respectively. The activity indices of the ground products meet the technical requirements of GB/T18046-2000 S95. As to the fineness uniformity of ground products, sodium oleate plays a better role compared with calcium lignosulphonate, which is more suitable for production of cement and concrete.
Starting Page	5191
Ending Page	5194
File Size	1975197
Page Count	4
File Format	PDF
ISBN	9781424468805
e-ISBN	9781424468812
DOI	10.1109/iCECE.2010.1259
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-06-25
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Ground product Calcium Activity index Slag Blast furnaces Concrete Three dimensional displays Indexes Grinding Fineness Blast furnace slag Grinding aid
Content Type	Text
Resource Type	Article

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