Elevating Gold Extraction Efficiency in Sudan: Advanced Metallurgical Reagents
Conquering Arid Climates and Complex Ores with High-Purity AuCyan™ NaCN, AuCarb™ & AuLeach™ via Port Sudan
Sudan stands as one of Africa’s premier gold-producing nations, with expansive operations spanning from the Red Sea Hills to the Nubian Desert. Renowned sites such as the Hassai Gold Mine and Block 14 highlight the region's immense potential. However, metallurgical engineers and plant managers in Sudan operate under challenging conditions: extreme ambient temperatures, rapid water evaporation rates, and highly abrasive, saline ore slurries.
To maintain profitability and maximize yields across CIP, CIL, CIC, heap leaching, and vat leaching circuits, operations require chemical reagents of uncompromising quality and stability.
United Chemical is a global leader in providing factory-direct, premium gold mining chemicals. By strictly adhering to international maritime transport protocols (CIF/FOB), we deliver our flagship products securely to Port Sudan, ready for your inland truck freight. Please note our standard Minimum Order Quantity (MOQ) is 1x20' FCL.
Flagship Gold Extraction Solutions for Sudanese Mines
AuCyan™ 氰化钠 NaCN (≥98.3%)
The global standard for rapid gold complexation, formulated for extreme stability in arid, high-temperature processing environments.
纯度≥98.3%： Engineered to maximize active free 氰化物 (CN-) release. This ultra-high purity prevents the accumulation of insoluble residues in vat leaching and CIL tanks, ensuring rapid gold dissolution even when processing challenging desert ores.
Heat & Evaporation Resilient: The rapid kinetics of AuCyan™ mean shorter required residence times in agitation tanks, which is critical in Sudan where process water evaporation is a significant operational cost.
📊技术规格：98.3%纯度标准
我们最新生产批次的产品均超越行业标准，持续达到“卓越品质”等级。以下是经认证的性能数据。
| 测试项目 | 标准（GB/T 19306-2003） | AuCyan™（典型值） | 运营影响 |
|---|---|---|---|
| 氰化钠（NaCN） | ≥98.0％ | 98.3% | 金的最大溶解动力学和回收率。 |
| 氢氧化钠 (NaOH) | ≤0.5％ | 0.13% | 优异的pH稳定性；防止过早水解。 |
| 碳酸钠（Na2CO3） | ≤0.5％ | 0.18% | 最大限度减少浸出液中的杂质干扰。 |
| 水分（H2O） | ≤0.9％ | 0.3% | 增强了固体在长期储存和海上运输过程中的稳定性。 |
| 不溶性物质 | ≤0.05％ | 0.02% | 防堵塞配方；保护关键泵和喷嘴。 |
AuCarb™ 黄金回收椰壳活性炭（硬度≥99%）
Elite adsorption media specifically calcined to endure the severe mechanical abrasion found in heavy slurry circuits.
保证硬度≥99%： 源自优质原料 椰子壳s，这个 碳 will not shatter or break down into fines under the heavy agitation of CIP and CIL tanks, absolutely securing your adsorbed gold from being lost to tailings.
Superior Micropore Structure: Features an optimized Iodine Value, delivering unparalleled adsorption speed, making it perfectly suited for high-flow Carbon-in-Column (CIC) and continuous CIP methodologies.
📊 AuCarb™ 系列：核心参数直观对比表
为了方便您根据自身冶金工艺选择更直观的产品，我们总结了四款旗舰 AuCarb™ 产品的核心技术参数。
| 核心测试参数 | AuCarb™ BC1100 | AuCarb™ AC50 | AuCarb™ AC55 | AuCarb™ AC60 |
|---|---|---|---|---|
| 市场基准定位 | 传统堆浸/高性价比 | 同类产品：Jacobi G208S | 同类产品：Jacobi G209S | 大型/同类产品的高级之选：Jacobi G210S |
| 表观密度 | 0.40 - 0.50 克/毫升 | 0.48 - 0.55 克/毫升 | 0.45 - 0.55 克/毫升 | 0.45 - 0.55 克/毫升 |
| 球盘硬度 | ≥98.5％ | ≥99％ | ≥99％ | ≥99％ |
| 血小板含量 | ≤5％ | ≤5％ | ≤5％ | ≤5％ |
| 破碎 | ≤ 2% | ≤ 1.5% | ≤ 2% | ≤ 2% |
| 总灰分含量 | ≤5％ | ≤3％ | ≤3％ | ≤3％ |
| 水分 | ≤ 10% | ≤ 5% | ≤ 5% | ≤ 5% |
| 吸附容量（K值） | / | ≥ 26 公斤/吨 | ≥ 28 公斤/吨 | ≥ 30 公斤/吨 |
| 吸附率（R值） | / | ≥ 50% | ≥ 55% | ≥ 60% |
| 碘值 | ≥ 1100 mg / g | / | / | / |
| 丁烷活性 | / | ≥19.5％ | ≥21％ | ≥23％ |
| CTC（四氯化碳活性） | / | ≥ 50% | ≥ 55% | / |
* 执行标准： 符合美国ASTM标准和AARL内部矿业测试标准。产品已通过第三方检验，可根据要求提供测试样品。
AuLeach™黄金浸出剂（GDA）——无害
The modern, non-hazardous alternative to traditional cyanide that drastically simplifies your import supply chain.
Strictly Non-Hazardous Classification: Because AuLeach™ is certified as non-hazardous, it bypasses complex dangerous goods permits. This significantly speeds up customs clearance at Port Sudan and lowers inland transportation insurance costs.
Seamless Drop-in Replacement: Ideal for Heap Leaching and Vat Leaching. No new equipment is required. Plant operators simply adjust the system to maintain a pH level between 10.5 11.5和 to achieve exceptional leaching kinetics comparable to traditional methods.
Strict Logistics Protocol & Transport Security
At United Chemical, we prioritize absolute safety and regulatory compliance in global chemical distribution:
FOB & CIF Ocean Freight Only: We execute secure maritime shipping direct to major hubs like Port Sudan. Please note we do not provide DDP or direct-to-site inland delivery; local forwarders must manage the final trucking leg.
No Railway Transport: Under strict current international and domestic regulations, none of our products can be transported via railway networks. All inland movement from the port must be conducted by certified heavy-duty road transport.
最低订购数量： To ensure logistical efficiency and pricing benefits, our standard MOQ is strictly 1x20' FCL (Full Container Load).
Validate Performance on Your Unique Ores
We invite Metallurgists and Plant Managers across Sudan to run independent laboratory evaluations. To support your process optimization, we provide complimentary lab-scale samples of our safe-to-ship products.
⚠️ 重要安全提示： Due to strict international aviation and security laws regarding highly toxic chemicals, AuCyan™ Sodium Cyanide NaCN cannot be shipped as a sample under any circumstances. Free samples are exclusively available for AuCarb™活性炭 和 AuLeach™黄金浸出剂.
Frequently Asked Questions: Mining Chemicals in Sudan
1. Can we transport AuCyan™, AuCarb™, or AuLeach™ via the railway system from Port Sudan?
No. Railway authorities strictly prohibit the transportation of these industrial and chemical goods. All inland logistics from Port Sudan to your mine site must be handled exclusively via heavy-duty road trucking.
2. What is your Minimum Order Quantity (MOQ) for clients in North Africa?
To guarantee the best factory-direct pricing and ensure maritime shipping safety, our strict Minimum Order Quantity for all commercial orders is 1x20' FCL (Full Container Load).
3. Why is AuCarb™ mandated to have ≥99% hardness?
In CIP and CIL agitation tanks, the carbon is subjected to intense grinding forces from the ore slurry. The guaranteed 硬度≥99% ensures the carbon granules do not fracture into fines, preventing your precious adsorbed gold from escaping into the tailings.
4. Does AuLeach™ Gold Leaching Agent require special hazardous goods permits in Sudan?
序号 AuLeach™ is classified globally as a 无害的 product. This classification avoids the complicated bureaucratic red tape, additional storage licensing, and high insurance premiums normally associated with hazardous imports at customs.
5. How do I order a free sample of AuCyan™ Sodium Cyanide to test?
For safety and legal reasons, we absolutely do not ship samples of AuCyan™ Sodium Cyanide. International aviation laws strictly forbid it. We only provide free testing samples for our AuCarb™活性炭 和 AuLeach™ non-hazardous agent.
6. What are the operational parameters for utilizing AuLeach™ in Vat Leaching?
For optimal extraction rates during vat leaching or heap leaching, your metallurgists must monitor and maintain the solution's pH strictly between 10.5 11.5和. This is easily managed using standard alkali agents like lime or sodium hydroxide.
7. Do you offer direct-to-site DDP delivery to mines in the Nubian Desert?
No, we operate strictly on 离岸价或到岸价 terms for the African market. We ensure safe maritime delivery to Port Sudan. From the port, your designated local freight forwarder will handle customs clearance and overland trucking to the mine site.
8. Why is the ≥98.3% purity of AuCyan™ critical for high-temperature desert operations?
High evaporation rates in arid environments concentrate impurities in the process water. The 纯度≥98.3% of AuCyan™ ensures you are not adding inactive salts or byproducts into your circuit, maintaining a clean chemical balance and maximizing the active cyanide available for gold dissolution.
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