Abstract The Knelson concentrator (KC) is widely used in gold ore and other precious metal ore processing technology because of its excellent separation performance. The development history and types of KCs are reviewed in this paper. Research on the separation mechanism and characteristics of KCs was analyzed and discussed, including the separation characteristics, influencing factors, modification equipment, gravity recoverable gold (GRG) tests, mathematical models, and computer simulations. Two different configurations of a KC for the gold recovery process and the research and application status of KCs in the fields of fine coal, rare earth, platinum group metals, and other minerals were summarized. Based on our review, research trends and development prospects of KCs are proposed.

中文翻译：

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Knelson集中器的研究与应用综述

摘要 Knelson选矿机(KC)因其优良的分离性能而被广泛应用于金矿等贵金属矿石加工工艺中。本文综述了KCs的发展历史和类型。分析讨论了KCs的分离机理和分离特性，包括分离特性、影响因素、改性设备、重力可回收金（GRG）测试、数学模型和计算机模拟。总结了金回收过程中KC的两种不同配置以及KCs在粉煤、稀土、铂族金属等矿物领域的研究和应用现状。在综述的基础上，提出了KCs的研究趋势和发展前景。