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Influence of polysorbate 80 on the flotation of zinc oxide ores with amines

Xie Qiaoling, Wang Dandan, Han Zhichao, Tao Huchun, Liu Sitong

Physicochemical Problems of Mineral Processing

2022

Vol. 58, iss. 1

149--158

In this study, the influence of polysorbate 80 on zinc oxide flotation was investigated with an amine collector. The results indicated that the pretreatment of amines with polysorbate 80 enhanced the Zn grade and recovery obtained using zinc oxide flotation. Desliming prior to flotation is not suggested based on the results of this study. The appropriate temperature for flotation was as low as 8 °C, and this flotation method also could be applied to different types of zinc oxide ores. Under optimum flotation conditions, a concentrate with a Zn grade of 48.34% and a Zn recovery of 95.97% was obtained.

Application of turbiscan lab to study the effect of emulsifier content on the stability of plant origin dispersion

Zalewska Anna, Kowalik Joanna, Grubecki Ireneusz

Chemical and Process Engineering

2019

Vol. 40, nr 4

399-–409

The effect of emulsifier volume on emulsion system stability of plant origin being the basis of diet supplements for animals in winter season was analyzed. For this purpose, measurements of the backscattered light intensity as the function of the measuring cell height were conducted with a Turbiscan LAB optical analyzer. System stability was analyzed on the basis of Turbiscan Stability Index values. A Helos laser analyzer and a Nikon Eclipse E400 POL optical microscope were used to investigate drop size distribution and analyze microscopic pictures. It was shown that emulsion with 10% (w/w) of the emulsifier was the most stable one.