Introduction to Nickel Cobalt Extractants
Nickel cobalt extractants is a chemical reagent used for separating and purifying nickel and cobalt from ore leachate.
The selection of extractants is crucial in the wet metallurgical process, especially when dealing with ores or secondary resources containing nickel and cobalt, as they directly affect the metal recovery rate, purity, and cost-effectiveness of the entire process.

The commonly used nickel cobalt extractants mainly include:
Ketoxime extractants, such as methyl isobutyl ketoxime, have good selectivity for nickel and cobalt and are widely used in practical production.
They can effectively extract nickel or cobalt from solution under appropriate conditions while avoiding co extraction of other impurities.
Aldehyde oxime extractants: such as some products in the DY series, these extractants have high affinity for nickel and cobalt and can effectively separate nickel and cobalt at different pH values.
This type of extractant is popular due to its high efficiency and adaptability.
Phosphate ester extractants: for example, P204 chemical name: di (2-ethylhexyl) phosphate ester, P507 chemical name: 2-ethylhexyl phosphonic acid mono-2-ethylhexyl ester, and DY272 chemical name: di (2,4,4-trimethylpentyl) hypophosphite.
P204 is mainly used for the extraction of rare metals, while P507 is more suitable for the extraction of transition metals such as nickel and cobalt, especially when high-purity metal products are required.
When using these extractants, it is usually necessary to combine some auxiliary reagents, such as acid-base substances that adjust the pH value of the solution, reagents used for back extraction, etc., to optimize the entire extraction process.
In addition, process parameters such as temperature, stirring speed, and the ratio of water phase to organic phase can also affect the extraction efficiency.
With the development of technology, we are constantly exploring new extraction agents and improving existing extraction systems, aiming to improve the extraction efficiency of nickel and cobalt, reduce environmental impact, and lower production costs.
This includes developing more environmentally friendly and efficient extractants, as well as optimizing existing extraction processes.
Our metal extractants as below, if you need any kind, please ask us:
- P204 (D2EHPA or HDEHP) This is used for first step to remove impurity for laterite nickel ore.
- DY319 high efficiency nickel cobalt co-extraction extractant for battery recycle, can take out nickel and cobalt together from Lithium battery electrolyte.
- DY272 Nickel cobalt separation extractant, it can take cobalt out from nickel cobalt solution, then leave pure nickel.
- DY988N/DY973N/DY902/DY5640 copper solvent extraction reagent.
- P507 non-ferrous metal extractant for copper, zinc, cobalt-nickel, cadmium, gold-silver, platinum group metals, rare earths and so on.
- DY377 efficient nickel and diamond separation extractant.
- DY366 Scandium extractant.
- DY316 Lithium extractant.
