P507 non-ferrous metals Extractant is widely used in the hydrometallurgical industry of non-ferrous metals, such as copper, zinc, cobalt-nickel, cadmium, gold-silver, platinum group metals, rare earths, and other industries.
The specification as below:
- Chiemical name: 2-ethylhexyl phosphoric acid mono-2-ethylhexyl ester (P-507)
- ■ CAS No: 14802-03-0
- ■ Molecular formula: (C8H17)2PO3H
- ■ Molecular weight: 306.4 (according to the 1987 International Atomic Weight Table)
■ CAS No: 14802-03-0
■ Molecular formula: (C8H17)2PO3H
■ Molecular weight: 306.4 (according to the 1987 International Atomic Weight Table)
■ Molecular structure:
Name | Superior Grade |
| Content % | ≥95.0 |
| Dicarboxylic acid % | ≤2.0 |
| Phase separation speed (seconds) | t1≤90 |
| Acid value (mg KOH/g) | 180-195 |
| Density (20°C) g/ml | 0.940-0.960 |
| Refractive index (N) | 1.4480-1.4520 |
| Viscosity μ25CPS | 36±3 |
| Flash point (open cup) °C | 170±3 |
The main steps of P507 non-ferrous metals Extractant as below:
- Adjust the pH of the feed solution. For example, in cobalt-nickel metallurgy, the pH of the feed solution is typically adjusted to 3.4-4.0.
- Prepare the extractant by mixing it with an organic solvent in a certain volume ratio.
- Saponification, mainly for acidic extractants. It involves the reaction between the extractant and a base. The main purpose is to stabilize the pH of the feed solution and enhance the extraction capacity of the extractant.
- Extract metal ions. The industry generally employs countercurrent extraction processes, where the organic and aqueous phases flow in opposite directions. There are usually multiple extraction stages to ensure extraction efficiency.
- Wash, primarily for impurity removal, washing off the impurity metal ions that have a lower extraction sequence into the aqueous phase, ensuring the purity of the organic metal ions.
- Water washing, mainly addressing the issue of entrainment of the extractant in the extraction phases.
- Stripping. Use a certain acid to strip the metal from the organic phase back into the aqueous phase.
Key Applications of P507 Extractant
- Metal Extraction:
P507 is widely employed in hydrochloric acid-based solvent systems to separate and extract metals such as:- Cobalt (Co) and Nickel (Ni) (critical for battery materials and alloys).
- Rare and Noble Metals: Uranium (U), Tungsten (W), Molybdenum (Mo), Vanadium (V), Platinum (Pt), Gold (Au), and Copper (Cu).
- It plays a role in refining processes for high-purity metals used in semiconductors and advanced technologies.
- Wastewater Treatment:
P507 is utilized in complex extraction methods to treat industrial wastewater contaminated with organic acids, esters, and heavy metals, improving environmental compliance.
So, P507 non-ferrous metals Extractant is integral to the non-ferrous metals industry, enabling efficient separation of critical metals for high-tech applications while supporting environmental remediation efforts. Its use in battery materials and semiconductor-grade metals underscores its strategic importance in global supply chains.
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.
- P507 non-ferrous metal extractant for copper, zinc, cobalt-nickel, cadmium, gold-silver, platinum group metals, rare earths and so on.
- DY272 Nickel cobalt separation extractant, it can take cobalt out from nickel cobalt solution, then leave pure nickel.
- DY984N copper solvent extraction reagent.
- DY319 high efficiency nickel cobalt co-extraction extractant for battery recycling, can take out nickel and cobalt together from Lithium battery electrolyte.
- QL256-2 Nickel Cobalt Manganese co extraction Extractant.
- DY377 efficient nickel and diamond separation extractant.
- DY366 Scandium extractant.
- DY316 Lithium extractant.
