Beta-hydroxy fatty acid collecting agent for positive floatation of iron ore and application thereof

Abstract

The invention relates to a beta-hydroxy fatty acid collecting agent for positive floatation of iron ore and application thereof. The beta-hydroxy fatty acid collecting agent is characterized in that the content of the weight percentage of beta-hydroxy fatty acid is over 85 percent of a total collecting agent, and the balance is water and inevitable impurities; the beta-hydroxy fatty acid of the collecting agent mainly comprises thirteen to eighteen carbon atoms; and the weight percent of the beta-hydroxy fatty acid with the thirteen to eighteen carbon atoms is over 95 percent. The beta-hydroxy fatty acid iron mineral collecting agent is a fatty acid class collecting agent capable of forming annular adsorption; and the collecting capacity of the beta-hydroxy fatty acid iron mineral collecting agent is remarkably larger than the adsorption of ore mineral and a common fatty acid class collecting agent carrying out positive anion floatation, thereby obviously increasing the collecting capacity of the collecting agent on the iron mineral.

Description

technical field [0001] The invention relates to the technical field of iron ore positive flotation collectors, in particular to a beta-hydroxy fatty acid collector used for iron ore positive flotation and its application. Background technique [0002] In the iron ore beneficiation process in my country, flotation is an effective beneficiation method. Since the 1950s, my country began to rely on the method of positive flotation to sort iron ore. However, while positive flotation of iron ore achieves better beneficiation indicators, it also has relatively weak collection capacity due to the use of fatty acid collectors in positive flotation, which relies on the interaction between carboxylate ions and iron minerals. relatively low issue. At the end of the 1990s, my country successfully researched the iron ore reverse flotation process, which has a high beneficiation efficiency and has been widely promoted and applied throughout the country. Although the iron ore reverse flo...

AI Technical Summary

Problems solved by technology

Improve the fatty acid collectors used in the forward flotation process of raw iron ore to solve the problem that the fatty acid collectors in the traditional iron ore positive flotation use carboxylate as a chemical bond to interact with iron minerals, and the effect is weak. Improving the beneficiation efficiency is an effective measure to unify the high beneficiation efficiency of the iron ore reverse flotation process and the iron ore forward flotation process with fewer reagents and simple preparation.

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