DY984N Copper leaching solvent is a modified aldoxime-ketoxime reagent. Fungsi utamanya adalah dengan memilih ion tembaga secara selektif (Cu²⁺) dari penyelesaian larutan hamil (PLS) dan kemudian melepaskan (jalur) Tembaga itu menjadi penyelesaian asid sulfurik yang sangat pekat untuk menghasilkan elektrolit yang kaya yang sesuai untuk memenangi elektro.
|
Item |
DY984N |
| Penampilan | Cecair minyak ambar |
| Ketumpatan (25°C) | 0.907 |
| Titik kilat | ≥88 ° C. (PMCC) |
| Kapasiti tepu kuprum 10% (V/V) | 5.12 g/L Cu |
| Kinetik pengekstrakan | ≥92% (30s) |
| Pengekstrakan titik isoterma | ≥4.4 g/L Cu |
| Fasa Pelucutan masa pengekstrakan | ≤57s |
| Kinetik pelucutan | ≥95% (30s) |
| Melucutkan titik isoterma (organik) | ≤1.8 g/L Cu |
| Masa Fasa Pelucutan | ≤43s |
| Pemindahan Bersih Tembaga | 3.4 g/L Cu |
| Selektiviti Cu/Fe | ≥2279 |
| Kesucian fasa cecair | 98.13 |
DY984N Copper leaching solvent in Copper Leaching Processes
DY984N is a specialized solvent commonly used in copper leaching processes within the field of hydrometallurgy. Copper leaching is a method for extracting copper from ores by utilizing an aqueous solution, biasanya berasid, to dissolve copper minerals. DY984N plays a crucial role in this process by selectively extracting copper from the ore while minimizing the dissolution of unwanted materials.
The solvent works by forming complexes with copper ions, enabling their separation from the ore. Once dissolved, the copper can be recovered using methods such as solvent extraction and electrowinning.
Primary Extractants of DY984N Copper leaching solvent
• Aldoximes (2-hidroksi-5-nonylsilisilaldehid oksim): Aldoximes are strong extractants capable of efficiently extracting copper even from solutions with lower acidity. They are responsible for the high copper loading capacity of DY984N.
• Ketoximes (2-Hydroxy-5-nonyl ketoxime): Ketoximes are weaker but faster extractants. They offer excellent kinetics and facilitate rapid phase separation during the extraction process.
Pencairan
The active extractants in DY984N are dissolved in a kerosene-based diluent, which serves as the bulk of the solvent’s volume. The diluent is inert and acts as the organic phase in the liquid-liquid extraction process.
Key Properties and Advantages of DY984N Copper leaching solvent
• Selektif Tinggi: DY984N is highly selective, efficiently extracting copper while minimizing the co-extraction of impurity ions like iron, mangan, dan aluminium. This is essential for producing high-purity cathode copper.
• Fast Kinetics: The solvent enables quick copper loading and stripping, which results in smaller mixer-settler units and higher flow rates, increasing operational efficiency.
• Good Physical Properties: DY984N promotes rapid, clean phase separation between the organic and aqueous phases. This minimizes the formation of crud (undesirable solids) and reduces solvent losses.
• High Loading Capacity: The solvent has the capacity to carry a significant amount of copper per cycle, making the process more efficient and reducing the number of extraction stages needed.
• Robust Performance: DY984N maintains consistent performance across a wide range of operating conditions and Pregnant Leach Solution (PLS) compositions.
Typical Application of DY984N Copper leaching solvent in a Copper SX Circuit
1. Pengekstrakan: Pelarut DY984N yang dicairkan, typically in kerosene, bercampur dengan pls kaya tembaga (fasa akueus) dalam penentu pengadun. The extractants selectively bind to copper ions, memindahkan mereka ke fasa organik.
2. Pemisahan: The mixture is allowed to settle, forming two immiscible phases: the copper-loaded organic phase and the copper-depleted aqueous raffinate. Gravity separation occurs in the settler.
3. Pelucutan: The copper-loaded organic phase is then mixed with a strong sulfuric acid solution (typically spent electrolyte from the electrowinning tankhouse). The high acidity causes the extractants to release the copper ions into the aqueous phase, creating a rich electrolyte that is high in copper content.
4. Electrowinning: The rich electrolyte is sent to the electrowinning tankhouse, where an electrical current is applied, plating out pure (99.99%+) copper onto cathodes.
5. Kitar semula: The barren organic solvent, now stripped of copper, is recycled back to the extraction stage to begin the process anew.
Pengekstrak logam kami seperti di bawah:
- P204 (D2EHPA atau HDEHP) Ini digunakan untuk langkah pertama untuk membuang kekotoran untuk bijih nikel laterit.
- DY319 pengekstrak bersama nikel kobalt kecekapan tinggi untuk kitar semula bateri, boleh mengeluarkan nikel dan kobalt bersama-sama daripada elektrolit bateri Litium.
- DY272 Pengekstrak pengasingan kobalt nikel, ia boleh mengeluarkan kobalt daripada larutan nikel kobalt, kemudian tinggalkan nikel tulen.
- DY988N/DY973N/DY902/DY5640 reagen pengekstrakan pelarut kuprum.
- P507 pengekstrak logam bukan ferus untuk kuprum, zink, kobalt-nikel, kadmium, emas Perak, logam kumpulan platinum, nadir bumi dan sebagainya.
- DY377 pengekstrak pemisahan nikel dan berlian yang cekap.
- DY366 Ekstrak skandium.
- DY316 Pengekstrak litium.
