Compositions: coating or plastic – Coating or plastic compositions – Carbohydrate or derivative containing
Patent
1992-03-02
1994-03-15
Brunsman, David
Compositions: coating or plastic
Coating or plastic compositions
Carbohydrate or derivative containing
106209, 106214, 501108, 501112, 501122, 501123, 75772, C04B 3504, C04B 3506, C04B 3502, C09D10302, C09D10500
Patent
active
052942503
ABSTRACT:
A self-fluxing binder composition for use in the pelletization of an ore concentrate, especially iron ore concentrates. The composition comprises from 50 to 98% by weight of one or more carrier having a high surface area, and from 2 to 50% by weight of a water soluble organic enhancer. The carrier is selected from the group consisting of natural and synthetic magnesium and/or calcium bearing minerals and preferably consists of synthetic, fibrous-like forsterite. The enhancer is selected amongst the natural polysaccharides, of high viscosity, and more preferably amongst the natural gums of high viscosity such as the guar or xanthan gum and amongst starch and is derivatives. The use of such a self-fluxing binder composition improves the properties of the green and dry pellets and makes them more easy to handle, as compared to those produced with other conventional binders. Moreover, the pellets that are produced with such a binder composition have improved metallurgical properties.
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Larry A. Haas et al., "Effectiveness of Organic Binders for Iron Ore Pelletization," Bureau of Mines, U.S. Department of the Interior, Report of Investigations 1989.
Legast Pierre
Lesmerises Normand
Panigraphy Sarat C.
Brunsman David
Ceram SNA Inc.
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