Cellophane positive flotation collector and preparation method of cellophane positive flotation collector

Abstract

The invention relates to a cellophane positive flotation collector and a preparation method of the cellophane positive flotation collector, in particular to a cellophane positive flotation collector compounded by fatty acid and the like, wherein the basic substances comprise the following preparation raw materials in percentage by weight: 30 to 80 percent of chlorinated oleic acid, 5 percent to 60 percent of saturated higher aliphatic acid, 5 percent to 40 percent of unsaturated higher aliphatic acid and 5 percent to 20 percent of alkali, the saturated higher aliphatic acid is one of materials from tetradecanoic acid, stearic acid and palmitic acid, and the unsaturated higher aliphatic acid is one of materials from oleic acid, coconut oil and linoleic acid. By aiming at the Yunnan phosphorite characteristic, the positive flotation collector has high selectivity and high mine carrying capability, the better sorting effect is realized at the normal temperature, and excellent flotation indexes can be reached. By aiming at the refractory cellophane, the comprehensive mineral dressing efficiency and the recovery rate of phosphate concentrate after the flotation are higher.

Description

technical field [0001] The invention relates to the field of phosphate rock flotation reagents, in particular to a collophosite positive flotation collector and a preparation method thereof. Background technique [0002] Phosphate rock is an important strategic resource and plays a very important role in the national economy. China is rich in phosphate rock resources. The reserves of ore are 15.2 billion tons, ranking second in the world, accounting for about 35% of the world's total phosphorus resources, of which Yunnan, Guizhou, Hubei, Sichuan and Hunan account for about 80% of the national total. But the phosphate rocks in our country are mainly medium and low-grade phosphate rocks, and most of the middle and low-grade phosphate rocks are collophosite, which is difficult to mine and beneficiated, and the enrichment cost is high. Phosphorus is a non-renewable resource, and it is of great significance to strengthen the development of phosphate rock. [0003] In the flota...

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Problems solved by technology

[0003] In the flotation of phosphate rock, the carboxylic acid collector with the largest amount and the widest application range is oleic acid, but this collector also has several shortcomings: oleic acid is not easy to dissolve and disperse, and it is often required in production Solvent emulsification or heating treatment; when used, the temperature is generally higher than 18°C, and the dosage needs to be strictly controlled when adding. Often, it is added in stages. Oleic acid is not very specific for refractory colloidal phosphate rock. Poor low temperature resistance and hard water resistance Poor performance, large dosage of chemicals, average selectivity, high requirements on temperature, poor dispersion in pulp

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