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The effects of chemical heat treatments of a semi-anthracite char (AC) on textural properties and reactivity in air of the material are investigated. The starting char was first treated with a mixture of LiCl/KCl or LiCl/KCl/CaO at 743, 873 or 1173K and the products obtained were then washed thoroughly with distilled water. A small fraction of these samples were treated with 10 −3 M HCl solution...
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