The variation of gas holdup with gas velocity, column diameter, solid concentration, static bed height and gas distributor was studied in slurry bubble columns with three different diameters.
用三种不同直径的浆态鼓泡塔研究气速、塔径、固相浓度、静止床层高度和气体分布器等对气含率的影响。
The authors put forward at first that operating holdup in packed column is not well-distributed and ratio of height to diameter is an important parameter which influences operating holdup.
首次提出填料塔动持液量不是均匀分布的，高径比是影响动持液量的一个重要参数。
The gas holdup of flotation column is a very decisive factor for the flotation result.
浮选柱气含率大小是决定浮选效果的一个很重要的因素。
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