African Spot-Stock Hubs: Stop Waiting, Start Processing
Premium Gold Extraction Chemicals Now Available in Tanzania & Mozambique
Time is gold in the mining industry. Waiting 45 to 60 days for international sea freight can severely impact your production schedule and tie up crucial cash flow. To bridge this gap, United Chemical has officially established two strategic front-warehouses in East and Southern Africa, bringing our world-class reagents directly to your doorstep.
Eliminate the 2-month sea freight waiting period. Keep your CIL tanks running without interruption.
No need to lock up massive capital in Full Container Loads. Buy exactly what you need.
Buy directly from the manufacturer's local stock. No middlemen, no compromised packaging.
📍 Our Strategic African Warehouses
Our facilities are strategically located along major logistics corridors to ensure rapid deployment to active mining regions, providing seamless overland logistics even to landlocked nations like Zimbabwe and Zambia.
East Africa Hub: Lugoba, Tanzania 🇹🇿
Location: Chalinze-Segera Highway (A14), Lugoba Area..
Coverage & Logistics: Provides rapid response to major gold belts across Tanzania (such as Geita and Manyara) and acts as a central distribution hub for neighboring East African mining sectors.
Southern Africa Hub: Port of Beira, Mozambique 🇲🇿
Location: EN6 Highway (Beira Corridor), Warehouse Zone, Beira, Sofala Province.
Coverage & Logistics: Serves as the ultimate deep-water gateway for Mozambique. Crucially, it provides highly efficient, seamless overland trucking logistics directly into the Manicaland gold belt in Zimbabwe and active mining sectors in Zambia.
🧪 Core Products Available for Immediate Pickup
We stock the industry's most reliable and strictly tested extraction reagents, tailored for maximizing recovery rates in African geology:
1. AuCyan™ Sodium Cyanide (NaCN)
AuCyan™ Premium Sodium Cyanide ≥98.3; The Industry Standard for Maximum Recovery
Positioning: The performance and purity benchmark for traditional cyanidation in medium-to-large scale gold mining operations.
Core Selling Points:≥98.3% High Purity | Low Reagent Single-Consumption | Full International Hazmat Compliance
AuCyan™ represents United Chemical's pursuit of perfection in foundational mineral processing chemicals. As the most efficient traditional leaching reagent, we adhere to strict industrial standards to ensure batch-to-batch purity and stability, providing essential momentum for gold mining facilities worldwide. When paired with high-quality activated Carbon, it ensures the most efficient dissolution and capture of gold ions.
≥98.3% High-Purity Standard: Purity levels far exceeding industry standards guarantee maximum active free cyanide ions (CN−) during cyanidation. This drastically accelerates gold/silver dissolution kinetics and maximizes overall leaching efficiency.
Cost-Effective Consumption Control: Ultra-low impurity levels minimize unwanted side-reactions with accompanying minerals (such as copper, iron, and sulfur) in the leaching slurry, significantly lowering reagent consumption per ton of ore processed.
Global-Grade Export Compliance & Delivery: As a regulated dangerous good, supply chain expertise is paramount. United Chemical holds robust UN-certified packaging solutions (steel drums, wooden boxes, Isotanks) and international export qualifications, guaranteeing smooth, safe, and compliant delivery to over 90 gold-producing nations.
📊 Technical Specification: The 98.3% Purity Standard
Surpassing industry benchmarks, our latest production batches consistently achieve "Superior Quality" grades. Below is the certified performance data (Ref: Batch C050030HS251101).
| Testing Items | Standard (GB/T 19306-2003) | AuCyan™ (Typical) | Operational Impact |
|---|---|---|---|
| Sodium Cyanide (NaCN) | ≥ 98.0% | 98.3% | Maximum gold dissolution kinetics and recovery rates. |
| Sodium Hydroxide (NaOH) | ≤ 0.5% | 0.13% | Superior pH stability; prevents premature hydrolysis. |
| Sodium Carbonate (Na₂CO₃) | ≤ 0.5% | 0.18% | Minimized impurity interference in the leaching solution. |
| Moisture (H₂O) | ≤ 0.9% | 0.3% | Enhanced solid stability during long-term storage and sea transit. |
| Insoluble Substances | ≤ 0.05% | 0.02% | Anti-clogging formula; protects critical pumps and nozzles. |
2. AuCarb™ Gold Recovery Coconut Shell Activated Carbon
AuCarb™ Gold Recovery Coconut Shell Activated Carbon – Precision Adsorption, Zero Gold Loss
Positioning: Custom-engineered high-strength, high-adsorption coconut carbon tailored for CIP / CIL / CIC gold recovery circuits.
Core Selling Points: Ultra-High Hardness (≥99%) | Rapid Gold-Complex Adsorption Kinetics | High Reactivation Yield
In CIP/CIL processes, Activated Carbon quality directly determines final gold output. AuCarb™ is custom-developed for harsh agitation environments, refined from top-tier Sri Lankan and Southeast Asian Coconut Shells through high-temperature activation and polishing treatments. It is designed to act as the ultimate gold capture matrix, perfectly complimenting our leaching agents.
Ultra-High Hardness & Attrition Resistance (Minimal Gold Loss): Mine operators fear carbon attrition in leach tanks leading to gold fines loss. AuCarb™ undergoes special hardening treatment to achieve a hardness rating above ≥99%, completely eliminating costly "gold-bearing carbon" breakdown.
Rapid & High-Capacity Pore Architecture (High Adsorption Kinetics): Gold-cyanide complexes are larger molecular structures. AuCarb™ features a precisely controlled ratio of micro-pores to meso-pores, ensuring rapid entry and firm entrapment of [Au(CN)₂]⁻ complexes with loading capacity far surpassing standard activated carbons.
Extended Service Life & High Reactivation Yield: Following desorption-electrowinning, AuCarb™ recovers over 95% of its original activity after thermal reactivation. It can be recycled through multiple cycles, significantly lowering carbon replacement costs per ton of gold produced.
📊 AuCarb™ Series: Core Parameters Intuitive Comparison Table
To facilitate a more intuitive selection process tailored to your specific metallurgy circuit, we have summarized the core technical parameters of our four flagship AuCarb™ variants.
| Core Testing Parameter | AuCarb™ BC1100 | AuCarb™ AC50 | AuCarb™ AC55 | AuCarb™ AC60 |
|---|---|---|---|---|
| Market Benchmarking Positioning | Conventional Heap Leach | Comparable: Jacobi G208AS | Comparable: Jacobi G209AS | Advanced: Jacobi G210AS |
| Apparent Density | 0.40 - 0.50 g/ml | 0.48 - 0.55 g/ml | 0.45 - 0.55 g/ml | 0.45 - 0.55 g/ml |
| Ball-pan Hardness | ≥ 98.5% | ≥ 99% | ≥ 99% | ≥ 99% |
| Platelet Content | ≤ 5% | ≤ 5% | ≤ 5% | ≤ 5% |
| Attrition | ≤ 2% | ≤ 1.5% | ≤ 2% | ≤ 2% |
| Total Ash Content | ≤ 5% | ≤ 3% | ≤ 3% | ≤ 3% |
| Moisture | ≤ 10% | ≤ 5% | ≤ 5% | ≤ 5% |
| Adsorption Capacity (K Value) | / | ≥ 26 Kg/t | ≥ 28 Kg/t | ≥ 30 Kg/t |
| Adsorption Rate (R Value) | / | ≥ 50% | ≥ 55% | ≥ 60% |
| Iodine Number | ≥ 1100 mg/g | / | / | / |
| Butane Activity | / | ≥ 19.5% | ≥ 21% | ≥ 23% |
| CTC (Carbon Tetrachloride Activity) | / | ≥ 50% | ≥ 55% | / |
* Execution Standards: Complies with American ASTM standards and A.A.R.L. internal mining testing standards. The product has passed third-party inspection and test samples can be provided upon request.
Applicable Metallurgy Processes:Carbon-in-Pulp (CIP), Carbon-in-Leach (CIL), Carbon-in-Column (CIC), Heap Leaching, VAT Leaching.
3. AuLeach™ Eco-Friendly Gold Leaching Agent (GDA)
AuLeach™ Gold Leaching Agent (GDA) – The Eco-Friendly Cyanide Substitute
Positioning: A non-toxic leaching agent balancing high recovery yields with strict HSE environmental compliance.
Core Selling Points: General Cargo Export (Non-Hazardous) | Zero Equipment Modification | Superior Yield on Refractory Ores
Faced with increasingly stringent global environmental regulations (HSE), many gold mines face restrictions or bans on cyanide usage. AuLeach™ Eco-Friendly Gold Leaching Agent offers the perfect 100% green replacement for Sodium Cyanide, aligning "green mining" with high financial returns.
Seamless Direct Drop-in Replacement: Transitioning to AuLeach™ requires zero modification to existing cyanidation equipment (such as Heap Leaching or CIL circuits). It can be directly substituted for sodium cyanide at 1:1 or recommended ratios to immediately start production.
Non-Toxic Certification & Streamlined Approval (HSE Compliance): Officially certified as a general chemical (Non-Hazmat). This dramatically reduces ocean freight, land logistics, and insurance costs while eliminating tedious toxic chemical permit approvals, cutting mine commissioning lead times by over 50%.
Faster Kinetics & Superior Performance on Refractory Ores: When treating complex, refractory gold ores containing arsenic or sulfur, AuLeach™ exhibits superior resistance to interference and faster leaching kinetics compared to NaCN, frequently achieving a 2% to 5% increase in absolute recovery rate.
Safe Working Environment & ESG Value: Drastically reduces occupational health risks for operational personnel and minimizes environmental contamination hazards, making it the preferred reagent for modern mining companies seeking high ESG ratings.
📊 AuLeach™ Technical Information & Specifications
| Parameter | Units | Guaranteed Specification |
|---|---|---|
| Appearance | - | Solid Powder |
| Operational pH Range | - | 10.5 - 12 |
| Leaching Agent Concentration | % | 30 |
| Standard Packaging | Kgs | Net 25Kgs bag |
Broad Application Spectrum: Highly effective across primary ores, oxide ores, semi-oxide ores, sulfide ores, gold concentrates, and cyanide tailings in both Carbon-in-Pulp and Pool/Vat leaching circuits.
Zero Equipment CAPEX: Fully compatible with existing Chilean Heap leaching and CIL infrastructure. Requires absolutely no mechanical retrofitting.
Unrestricted Logistics: Shipped and trucked as general cargo, eliminating the exorbitant costs of hazardous goods import permits at ports like Antofagasta and specialized DG escorts across the Atacama.
🤝 Partner with Us Today
Stop waiting for international shipments. Keep your processing plant operating at maximum capacity. Contact our team to check real-time inventory levels, request an immediate quote, or schedule a pickup from our Lugoba or Beira facilities.
ShaanXi United Chemical Co., Ltd.
📍 Headquarters: Jinhui Global, Qujiang District, Xi'an, Shaanxi Province, China
📱 Mobile / WhatsApp:+86 17392705576
✉️ Email:info@unitedchemicalcn.com
🌐 Website:unitedchemicalcn.com
Focusing on Gold Mining & Precious Metal Extraction Solutions.
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