Advanced Gold Extraction Chemicals for Colombian Metallurgy
Optimizing Refractory Ores Across the Antioquia and Segovia Belts
United Chemical supplies guaranteed purity AuCyan™ Sodium Cyanide NaCN (≥98.3%), AuCarb™ Gold Recovery Coconut Shell Activated Carbon (≥99% Hardness), and non-hazardous AuLeach™ Gold Leaching Agent (GDA) to empower Heap leaching, Vat leaching, CIP, CIL, and CIC operations across the Colombian mining sector.

The Colombian Mining Landscape: A Convergence of Geological and Environmental Challenges
Colombia is witnessing a transformative era in commercial gold extraction. From the world-class underground operations in Antioquia (such as the Buriticá and Segovia-Remedios belts) to the rich deposits in Caldas (Marmato) at Chocó, the nation offers immense metallurgical potential. However, Colombian mineralogy often presents complex, refractory sulfide ores containing pyrites and tellurides. Furthermore, the extreme tropical rainfall and humidity of the Andean geography place immense stress on the storage and stability of mining chemicals.
As a leading manufacturer proudly exporting to 77 + na mga bansa sa buong mundo, United Chemical delivers custom-engineered chemical infrastructures that combat these specific constraints. We recognize the rigorous environmental mandates enforced by Colombia's National Authority of Environmental Licenses (ANLA), providing both high-strength conventional reagents and revolutionary non-hazardous alternatives to ensure your operations remain highly productive and 100% compliant across Carbon-in-Pulp (CIP), Carbon-in-Leach (CIL), Carbon-in-Column (CIC), Heap leaching, at Vat leaching.
To ensure absolute logistics security and uninterrupted supply chains, we operate exclusively via maritime ocean freight. We execute transactions under FOB (mga daungan ng Tsina) o CIF terms directly to Colombia’s vital maritime gateways, including the Port of Buenaventura (Pacific), Port of Cartagena, and Port of Barranquilla (Caribbean). We do not utilize international railway transport. Supported by a strict Minimum Order Quantity (MOQ) of 1x20' FCL, we guarantee factory-direct pricing for commercial-scale operators.
1. Overcoming Colombian Operational Bottlenecks
Extreme Tropical Humidity & Storage
Regions like Chocó and the Andean slopes experience some of the highest rainfall globally. Standard chemical packaging fails under high humidity, causing Sodium Cyanide to rapidly hydrolyze and degrade before it even reaches the leaching vats.
Refractory Sulfides (Cyanicides)
The Segovia-Remedios belt produces ores rich in sulfides (pyrite, sphalerite). These act as severe oxygen and cyanide scavengers, rapidly depleting weak reagents and drastically reducing overall gold dissolution rates in CIL tanks.
Stringent ANLA Environmental Scrutiny
As the Colombian government fiercely cracks down on illegal mining and toxic discharge, large commercial plants face immense permitting pressure. Transporting and detoxifying traditional Class 6.1 cyanide requires heavy security escorts and exorbitant compliance OPEX.
2. Ang Ginintuang Tatsulok: United Chemical's Solutions for Colombia
AuCyan™ Sodium Cyanide NaCN (≥98.3%)
Pamantayan ng Kadalisayan: ≥98.3%To overpower the refractory sulfides found in the Antioquia gold belts, AuCyan™ Sodium Cyanide NaCN delivers unparalleled chemical aggression. We strictly guarantee a minimum purity of ≥ 98.3% (with factory analyses routinely at 98.5%). This massive concentration of free CN⁻ ions rapidly cuts through complex base metals, ensuring your gold dissolution kinetics remain fast and efficient.
Anti-Hydrolysis Packaging: Sealed in UN-certified 50kg steel drums or heavy-duty 1,000kg wooden boxes. Every container features a thick internal Polyethylene (PE) liner, absolutely preventing moisture ingress during transit through Buenaventura and storage in high-rainfall regions.
Stable pH Buffering: Low unreacted sodium hydroxide (NaOH) content minimizes scaling in pipes and heat exchangers.
📊Teknikal na Espesipikasyon: Ang 98.3% na Pamantayan sa Kadalisayan
Higit pa sa mga pamantayan ng industriya, ang aming mga pinakabagong batch ng produksyon ay patuloy na nakakamit ng mga markang "Superior Quality". Nasa ibaba ang sertipikadong datos ng pagganap.
| Mga item sa Pagsubok | Pamantayan (GB/T 19306-2003) | AuCyan™ (Karaniwan) | Epekto sa Operasyon |
|---|---|---|---|
| Sodium Cyanide (NaCN) | ≥ 98.0% | 98.3% | Pinakamataas na kinetika ng pagkatunaw ng ginto at mga rate ng pagbawi. |
| Sodium Hydroxide (NaOH) | ≤ 0.5% | 0.13% | Napakahusay na katatagan ng pH; pinipigilan ang napaaga na hydrolysis. |
| Sodium Carbonate (Na2CO3) | ≤ 0.5% | 0.18% | Nabawasan ang panghihimasok ng karumihan sa solusyon ng pag-leaching. |
| Kahalumigmigan (H2O) | ≤ 0.9% | 0.3% | Pinahusay na katatagan ng solido sa pangmatagalang pag-iimbak at paglalakbay sa dagat. |
| Mga Insoluble Substances | ≤ 0.05% | 0.02% | Pormularyo laban sa bara; pinoprotektahan ang mahahalagang bomba at nozzle. |
Aktibong Carbon na may Batong Niyog na Nakabawi mula sa AuCarb™ Gold
Katigasan ng Ball-Pan: ≥99%In high-density CIP and CIL agitation tanks, soft activated Karbon is crushed into fine dust, carrying your adsorbed gold straight into the tailings dam. Aktibong Karbon ng AuCarb™ is manufactured from hand-selected, high-density Baos via rigorous steam activation. We guarantee an elite ball-pan hardness of ≥ 99%, virtually eliminating mechanical attrition loss.
Mabilis na Kinetika ng Adsorption: Extremely high Iodine and CTC activity ensure that gold-cyanide complexes are stripped from the solution quickly, increasing total plant throughput.
Mababang Nilalaman ng Platelet: Engineered at ≤5% platelets to resist organic poisoning and ensure highly efficient elution and thermal regeneration cycles.
📊 Seryeng AuCarb™: Talahanayan ng Paghahambing na Madaling Gamitin para sa mga Pangunahing Parameter
Para mapadali ang mas madaling maunawaang proseso ng pagpili na iniayon sa iyong partikular na circuit ng metalurhiya, aming binuod ang mga pangunahing teknikal na parameter ng aming apat na pangunahing variant ng AuCarb™.
| Parameter ng Pangunahing Pagsubok | AuCarb™ BC1100 | AuCarb™ AC50 | AuCarb™ AC55 | AuCarb™ AC60 |
|---|---|---|---|---|
| Pagpoposisyon sa Benchmarking ng Merkado | Konbensyonal na Heap Leach / Mataas na Gastos sa Pagganap | Maihahambing na produkto: Jacobi G208S | Maihahambing na produkto: Jacobi G209S | Mas mahusay na pagpipilian para sa Malaking Sukat / Maihahambing: Jacobi G210S |
| Maliwanag 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 |
| Katigasan ng Ball-pan | ≥ 98.5% | ≥ 99% | ≥ 99% | ≥ 99% |
| Nilalaman ng Platelet | ≤ 5% | ≤ 5% | ≤ 5% | ≤ 5% |
| Katangian | ≤ 2% | ≤ 1.5% | ≤ 2% | ≤ 2% |
| Kabuuang Nilalaman ng Abo | ≤ 5% | ≤ 3% | ≤ 3% | ≤ 3% |
| Kahalumigmigan | ≤ 10% | ≤ 5% | ≤ 5% | ≤ 5% |
| Kapasidad ng Adsorption (Halaga ng K) | / | ≥ 26 Kg/t | ≥ 28 Kg/t | ≥ 30 Kg/t |
| Rate ng Adsorption (Halaga ng R) | / | ≥ 50% | ≥ 55% | ≥ 60% |
| Numero ng Iodine | ≥ 1100 mg / g | / | / | / |
| Aktibidad ng Butane | / | ≥ 19.5% | ≥ 21% | ≥ 23% |
| CTC (Aktibidad ng Carbon Tetrachloride) | / | ≥ 50% | ≥ 55% | / |
* Mga Pamantayan sa Pagpapatupad: Sumusunod sa mga pamantayan ng American ASTM at mga pamantayan sa panloob na pagsusuri sa pagmimina ng AARL. Ang produkto ay nakapasa sa inspeksyon ng ikatlong partido at maaaring magbigay ng mga sample ng pagsubok kapag hiniling.
AuLeach™ Gold Leaching Agent (GDA) - Hindi Mapanganib
Hindi Mapanganib na ReagentTo navigate the intense regulatory scrutiny of ANLA and secure community approval across environmentally sensitive Colombian municipalities, Ahente ng Pagpapatulo ng Ginto (GDA) ng AuLeach™ is the definitive solution. Globally certified as a Hindi Mapanganib kemikal, ganap na pinapalitan ng AuLeach™ sodium cyanide, slashing the massive overhead of military transit escorts and complex chemical import permits.
CAPEX ng Zero Equipment: It is a 100% drop-in replacement. Simply utilize your existing Heap leaching pads, Vat leaching tanks, and CIL infrastructure without modifying pumps or adding new equipment.
Frictionless Andean Logistics: Shipped as general cargo, bypassing dangerous goods restrictions at Cartagena and Buenaventura ports, accelerating delivery times to the mine site.
Drastic OPEX Reduction: Significantly reduces the cost of tailings detoxification (such as INCO SO₂/Air) before discharging into sensitive mountain watersheds.
Validate Performance on Your Colombian Ore Samples
Are high-sulfide ores slowing your recovery? Are strict ANLA regulations delaying your project? We invite Colombian Metallurgists, Plant Directors, and Supply Chain Managers to evaluate our chemical superiority independently.
📌 Libreng Sample sa Laboratoryo na Makukuha:
United Chemical malugod na nagbibigay ng libreng mga sample ng pagsusuri sa laboratoryo para lamang sa Aktibong Carbon na may Batong Niyog na Nakabawi mula sa AuCarb™ Gold at ang AuLeach™ Gold Leaching Agent (GDA) - Hindi Mapanganib. Run comprehensive bottle roll and column tests to verify our kinetic advantages before placing a bulk order.
* Ang mga komersyal na maramihang pagpapadala sa buong mundo ay nagsisimula sa isang Minimum Order Quantity (MOQ) ng pabrika na 1x20' FCL sa pamamagitan ng mga tuntunin ng FOB o CIF maritime.
Frequently Asked Questions: Colombian Metallurgy & Logistics
1. How does AuCyan™ maintain stability in Colombia's extremely humid, high-rainfall regions?
Sodium cyanide is highly hygroscopic; exposure to tropical humidity in regions like Chocó or Antioquia can cause it to absorb moisture, hydrolyze, and lose active CN⁻ strength before use. To combat this, AuCyan™ (≥98.3%) is manufactured with a remarkably low moisture content (≤0.3%) and is packaged in highly secure, UN-certified 50kg steel drums or 1,000kg reinforced wooden boxes. Crucially, every package contains a thick, heat-sealed inner polyethylene (PE) liner, ensuring the briquettes remain 100% dry and stable during prolonged storage at the mine site.
2. Which Colombian maritime ports do you utilize for CIF deliveries?
To ensure optimal inland routing for our mining partners, we offer comprehensive maritime shipping to both the Pacific and Caribbean coasts. Under CIF terms, we regularly dispatch ocean containers to the Port ng Buenaventura (ideal for western and central Andean operations) and the Port of Cartagena / Barranquilla (for northern operations). Once the cargo is cleared at the destination port, the client's appointed local logistics provider manages the inland trucking to the specific mine site.
3. Does the ANLA (National Authority of Environmental Licenses) permit the use of AuLeach™?
Oo. Dahil Ahente ng Pagpapatulo ng Ginto (GDA) ng AuLeach™ is globally certified as a Hindi Mapanganib chemical substance (unlike DG Class 6.1 Sodium Cyanide), it aligns perfectly with the stringent environmental conservation mandates enforced by the ANLA and regional autonomous corporations (CARs). Utilizing AuLeach™ vastly simplifies the environmental licensing process for new concessions, eliminates the requirement for heavily armed inland transport escorts, and significantly lowers the toxicity of your tailings discharge.
4. Why is a ≥99% hardness rating critical for Na-activate ang Carbon in Colombian CIL plants?
In modern Carbon-in-Leach (CIL) plants, the ore slurry is subjected to continuous, high-shear mechanical agitation. If the activated carbon is soft or poorly activated, the impeller blades will grind the carbon granules into microscopic dust. This fine carbon—now loaded with your extracted gold—will pass through the retaining screens and be permanently lost in the tailings pond. AuCarb™ provides a guaranteed ball-pan hardness of ≥ 99%, ensuring immense structural integrity and maximizing your ultimate gold yield.
5. Are there any capital expenditure (CAPEX) costs to switch from Cyanide to AuLeach™?
Absolutely zero. AuLeach™ is engineered as a 100% direct drop-in replacement for Sodium cyanide. Colombian plant managers do not need to purchase new leaching tanks, alter their Heap leach drip irrigation systems, or modify their carbon elution and electrowinning circuits. You simply substitute the cyanide with AuLeach™ in your dosing regime, utilizing standard hydrated lime to maintain the optimal pH level (usually between 10.5 and 11.5).
6. How does AuCyan™ perform against the refractory sulfide ores found in Segovia?
Ores from regions like the Segovia-Remedios belt often contain refractory sulfides (such as pyrite and sphalerite) which consume large amounts of oxygen and reagent. AuCyan™ Sodium Cyanide delivers an ultra-high purity of ≥ 98.3%, ensuring an overwhelming concentration of free CN⁻ ions. This aggressive formulation rapidly penetrates the ore matrix, preventing the base metals from entirely depleting the cyanide before the gold can be fully dissolved, thus securing high recovery rates.
7. Do you provide railway transport for inland deliveries in South America?
No. Due to severe international safety regulations governing the movement of hazardous chemicals and the logistical complexities of the Andean geography, we strictly prohibit the use of international railway transport for our exports. We secure our supply chain exclusively via maritime ocean container shipping.
8. What is the Minimum Order Quantity (MOQ) for exporting mining chemicals to Colombia?
To guarantee factory-direct pricing, protect the integrity of the chemical packaging, and optimize maritime freight costs across the Pacific, our strict MOQ is 1x20' FCL (Buong Lalagyan). This policy applies universally to AuCyan™, AuCarb™, and AuLeach™. Depending on the product and packaging type, a single 20-foot container typically accommodates between 10 to 20 metric tons of material.
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