In order to evaluate three kinds of whitening processes such as flotation separation, magnetic separation and chemical separation which may be selected for a kaolin mine in Guangdong, an improved Interval-Valued Hesitant Fuzzy TODIM (IVHF-TODIM) method is put forward. Firstly, combing the hesitation of the decision maker, this paper puts forward making decision in the interval-valued hesitant fuzzy environment. Then because of the limited psychological characteristics of decision makers, this paper proposes to use TODIM method to carry on processing. The final results show that the flotation process is the best whitening process for the kaolin ore, and the IVHF-TODIM method is feasible for the decision-making of kaolin whitening process.%为对广东某高岭土矿所可能选用的浮选法、磁选法、化学法等三种增白工艺进行综合评价,在区间犹豫模糊背景下提出一种改进的IVHF-TODIM多属性决策方法.首先,结合决策者在进行高岭土选矿时犹豫模糊的状态,提出在区间犹豫模糊环境下进行决策,其次由于决策者的有限心理特征本文提出运用TODIM决策方法来进行选矿.最终结果表明:浮选法为该高岭土矿最佳的增白工艺,同时IVHF-TODIM方法用于高岭土增白工艺决策是可行的.
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