Abstract
Gas bubbles have an important influence on the efficiency of flotation. The use of mine saline water in coal preparation plants affects the quality of froth. This paper shows the results of morphological analysis of froth generated in flotation enrichment process performed in technological waters with varying degrees of pulp salinity. The raw material model subjected to flotation tests was coal (type 33 in Polish classification). The appearance of froth was registered and evaluated by using a vision system with a special software. The aim of the study was to determine the size and number of air bubbles formed in the presence of inorganic electrolyte ions in the process water as well as their relationship with the efficiency of enrichment process.
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