| CN109453901A | 2019-03-12 | |||
| CN103464304A | 2013-12-25 | |||
| JPS5768156A | 1982-04-26 | |||
| CN110013917A | 2019-07-16 |
| CLAIMS 1. The invention relates to an activating reagent developed for the flotation of zinc-coating sulfide and similar minerals employed in mineral enrichment, characterized in that; - copper solution is produced by acid or basic leaching, - sodium hydroxide (NaOH) is obtained from copper solution (acidic or basic), or copper carbonate Cu2(OH)2CO3 or hydroxide cake with sodium carbonate (Na2CO3), - copper cake so obtained is reacted with 20% amine complexing agent in a closed container at a range of 70-110°C to yield the copper amine complex compound, - copper amine complex compound is filtered to yield complex copper solution, and - complex copper solution is added with chemicals that adjust surface activity, such as sodium lignosulfonate and derivative thereof, and then mixed. 2. Activating reagent according to claim 1, wherein; it is capable of being used at every pH range (2-14) in all flotation cycles for activating the zinc mineral. 3. Activating reagent according to claim 1, wherein; it is capable of being employed in production with all copper-containing complexing agents. 4. Activating reagent according to claim 1, wherein; it is capable of being employed with other copper complexes also produced from copper sulfate. 5. Activating reagent according to claim 1, wherein; its reactivity reduces surface activity depending on the structure of the ore applied. |
TECHNICAL FIELD
The present invention relates to an activating reagent developed for the method of floating zinc-containing sphalerite and other similar minerals employed in mineral enrichment.
PRIOR ART
To obtain the final mineral-enriched product, minerals are generally incorporated into the product to be mineral-enriched in pure form or after separation into anion or cation.
Currently, there are different useful methods developed for mineral separation. Typically, activator derivatives containing copper sulphate CuSO 4 are employed to yield the final product. Copper sulfate CuSO 4 and its derivatives so employed cannot activate zinc minerals sufficiently due to high pH in the flotation cell, and are bound to copper hydroxides and carbonates by hydrolysis for conversion into solid form to finalize the process. In the patent application document no CN104399594, titled “Preparation method and application of flotation separation inhibitor of zinc-sulfur minerals”, the method of separating zinc sulfur minerals by flotation is disclosed. Sodium sulfide and copper sulfate CuSO 4 compounds used as activator in the method disclosed increase the pH of the product and are subject to additional processes to bring them to desired pH. Therefore, it is costly and time-consuming to process into final product.
In the other patent application no CA1265876, titled "Method of recovering copper and zinc concentrates from complex sulfide ores by differential flotation” of the prior art, a method of recovering copper, zinc and other concentrates is presented. In the method disclosed, employing copper sulfur and zinc sulfur for the flotation of minerals increases the cost of the final product, requires an additional process for pH adjustment, and releases environmentally hazardous wastes.
As a result, the requirement to eliminate the drawbacks and disadvantages of current methods in the prior art has necessitated an improvement in the related technical field.
OBJECT OF THE INVENTION One of the objects of the invention is to maintain pH balance while obtaining the final product enriched by flotation. Another object of the invention is to reduce the enrichment cost.
Another object of the invention is to ensure that the reagent can be used as an activator at a pH range of 3-14 and in any environment.
Another object of the invention is to combine the reagent with a collector so that the process step can be shortened and process time can be reduced.
A different object of the invention is to ensure reduced handling costs thanks to rarer use compared to other activators.
DETAILED DESCRIPTION OF THE INVENTION The inventive activating reagent for zinc flotation proposed by the invention is capable of floating on water at ever}’ pH range (3-14) and encircling zinc minerals to activate them for flotation. The whole reagent used functions effectively.
It can be employed actively in different environments and concentrations, and allows less product consumption compared to techniques and methods of the prior art. In addition, without the need to add any external collector, conditioning can be performed directly for zinc activation and zinc collection concurrently with the collectors available in the reagent. Conditioning time is at least twice as fast as copper sulfate CuSO 4. It is more cost-effective and ensures higher level of energy-saving due to the addition of less activator and also shorter reaction time compared to methods of the prior art. Furthermore, the invention offers less handling and implementation costs due to at least 5-20 times as less consumption by volume and mass compared to copper sulfate CuSO 4 .
Yield of the product; copper (Cu) solution is produced from metallic and non-metallic copper raw materials by acid or basic leaching. Then, sodium hydroxide (NaOH) is obtained from the resulting acidic or basic copper (Cu) solution, or copper carbonate Cu 2 (OH) 2 CO 3 or hydroxide cake with sodium carbonate (Na 2 CO 3 ). Copper cake so obtained is reacted with 20% amine complexing agent in a closed container at a range of 70-110°C to yield the copper amine complex compound. The resulting liquid solution is filtered to obtain the complex copper solution. The resulting solution is transferred to another mixer and added with chemicals that adjust surface activity, such as sodium lignosulfonate, to prepare the final product which is then available for end use.
Tables showing some chemical results related to the activator are given
Next Patent: A BED HEADBOARD