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) iyo Isku dhacay, 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 + wadamada dunida oo dhan, 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 Kaarboon-ku-jira-Purp (CIP), Kaarboon-ku-jira-Cilmi-gal (CIL), Kaarboon-ku-jira-Tiirka (CIC), Tuubbo-ka-saarista, iyo Tuubbo-ka-saarista VAT-ka.
To ensure absolute logistics security and uninterrupted supply chains, we operate exclusively via maritime ocean freight. We execute transactions under FOB (Dekedaha Shiinaha) ama 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. Saddex-xagalka Dahabka ah: United Chemical's Solutions for Colombia
AuCyan™ Sodium Cyanide NaCN (≥98.3%)
Heerka Nadiifnimada: ≥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.
📊Faahfaahinta Farsamada: Heerka Nadiifnimada 98.3%
Iyadoo ka sarreysa heerarka warshadaha, dufcaddeenna wax soo saarka ee ugu dambeeyay waxay si joogto ah u gaaraan darajooyin "Tayada Sare". Hoos waxaa ku yaal xogta waxqabadka ee la xaqiijiyay.
| Walxaha Tijaabada | Heerka caadiga ah (GB/T 19306-2003) | AuCyan™ (Caadi ah) | Saamaynta Hawleed |
|---|---|---|---|
| Sodium Cyanide (NaCN) | ≥ 98.0% | 98.3% | Heerarka ugu badan ee kala dirista dahabka iyo soo kabashada. |
| Sodium Hydroxide (NaOH) | ≤ 0.5% | 0.13% | Xasillooni pH oo heer sare ah; waxay ka hortagtaa hydrolysis-ka dhicis ah. |
| Sodiyaam Kaarboonate (Na2CO3) | ≤ 0.5% | 0.18% | Yaraynta faragelinta wasakhda ee xalka wasakhda. |
| Qoyaanka (H2O) | ≤ 0.9% | 0.3% | Xasillooni xooggan oo la xoojiyay inta lagu jiro kaydinta muddada dheer iyo gaadiidka badda. |
| Walxaha aan la milmin | ≤ 0.05% | 0.02% | Qaacidada ka hortagga xidhitaanka; waxay ilaalisaa bamka muhiimka ah iyo af-xidhka. |
Kaarboonka Dahabka ah ee AuCarb™ ee Kaarboonka Firfircoon
Adkaanshaha Kubadda-Dheriga: ≥99%In high-density CIP and CIL agitation tanks, soft activated Carbon is crushed into fine dust, carrying your adsorbed gold straight into the tailings dam. Kaarboonka Firfircoon ee AuCarb™ is manufactured from hand-selected, high-density Qolofta Qumbahas via rigorous steam activation. We guarantee an elite ball-pan hardness of ≥99%, virtually eliminating mechanical attrition loss.
Kinetics-ka nuugista degdegga ah: Extremely high Iodine and CTC activity ensure that gold-cyanide complexes are stripped from the solution quickly, increasing total plant throughput.
Tirada Dhiigga Yar: Engineered at ≤5% platelets to resist organic poisoning and ensure highly efficient elution and thermal regeneration cycles.
📊 Taxanaha AuCarb™: Tusmada Isbarbardhigga Dareenka leh ee Halbeegyada Aasaasiga ah
Si loo fududeeyo habka xulashada oo aad u dareen badan oo loogu talagalay wareeggaaga birta gaarka ah, waxaan soo koobnay xuduudaha farsamada ee asaasiga ah ee afarta nooc ee AuCarb™ ee ugu caansan.
| Halbeegga Tijaabada Muhiimka ah | AuCarb™ BC1100 | AuCarb™ AC50 | AuCarb™ AC55 | AuCarb™ AC60 |
|---|---|---|---|---|
| Meelaynta Qiimaynta Suuqa | Daadinta Tuulada Caadiga ah / Waxqabadka Qiimaha Sare | Badeeco la barbar dhigi karo: Jacobi G208S | Badeeco la barbar dhigi karo: Jacobi G209S | Doorasho heer sare ah oo loogu talagalay Miisaanka Weyn / La barbar dhigi karo: Jacobi G210S |
| Cufnaanta muuqata | 0.40 - 0.50 g/ml | 0.48 - 0.55 g/ml | 0.45 - 0.55 g/ml | 0.45 - 0.55 g/ml |
| Adkaanshaha kubbadda | ≥ 98.5% | ≥ 99% | ≥ 99% | ≥ 99% |
| Waxyaabaha ku jira Dhiig-yaraha (Planlet) | ≤ 5% | ≤ 5% | ≤ 5% | ≤ 5% |
| Soojiidasho | ≤ 2% | ≤ 1.5% | ≤ 2% | ≤ 2% |
| Wadarta Dambaska ka kooban | ≤ 5% | ≤ 3% | ≤ 3% | ≤ 3% |
| qoyaanka | ≤ 10% | ≤ 5% | ≤ 5% | ≤ 5% |
| Awoodda nuugista (Qiimaha K) | / | ≥ 26 Kg/t | ≥ 28 Kg/t | ≥ 30 Kg/t |
| Heerka nuugista (Qiimaha R) | / | ≥ 50% | ≥ 55% | ≥ 60% |
| Nambarka Iodine | ≥ 1100 mg/g | / | / | / |
| Dhaqdhaqaaqa Butane | / | ≥ 19.5% | ≥ 21% | ≥ 23% |
| CTC (Hawsha Kaarboon Tetrachloride) | / | ≥ 50% | ≥ 55% | / |
* Heerarka Fulinta: Waxay u hoggaansan tahay heerarka ASTM ee Mareykanka iyo heerarka tijaabada macdanta gudaha ee AARL. Badeecadu waxay ka gudubtay kormeerka dhinac saddexaad waxaana la bixin karaa muunado tijaabo ah marka la codsado.
Wakiilka Dahabka ee AuLeach™ (GDA) - Ma aha mid khatar ah
Reagent-ka aan Khatarta lahaynTo navigate the intense regulatory scrutiny of ANLA and secure community approval across environmentally sensitive Colombian municipalities, Wakiilka Dahabka ee AuLeach™ (GDA) is the definitive solution. Globally certified as a Aan Khatar lahayn kiimiko, AuLeach™ gebi ahaanba way beddeshaa sodium cyanide, slashing the massive overhead of military transit escorts and complex chemical import permits.
Qalabka aan lahayn CAPEX: 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.
📌 Helitaanka Muunad Shaybaar oo Bilaash ah:
United Chemical si farxad leh ayay si adag ugu bixisaa muunado tijaabo shaybaar oo bilaash ah Kaarboonka Dahabka ah ee AuCarb™ ee Kaarboonka Firfircoon iyo Wakiilka Dahabka ee AuLeach™ (GDA) - Ma aha mid khatar ah. Run comprehensive bottle roll and column tests to verify our kinetic advantages before placing a bulk order.
* Shixnadaha ganacsiga ee badan ayaa ka bilaabma warshad Tirada ugu Yar ee Dalabka (MOQ) ee 1x20' FCL iyada oo loo marayo shuruudaha FOB ama CIF ee badda.
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 Dekedda 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™?
Haa. Sababtoo ah Wakiilka Dahabka ee AuLeach™ (GDA) is globally certified as a Aan Khatar lahayn 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 Kaarboon-firfircoon 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 (Rarka Weelka oo Buuxa). 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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- 1Sodium Cyanide oo la dhimay (CAS: 143-33-9) ee Macdanta - Tayada Sare & Qiimaynta Tartan
- 2Sodium Cyanide 98.3% CAS 143-33-9 Wakiilka labiska dahabka NaCN ee Muhiim u ah Macdanta Warshadaha Kiimikada
- 3Shuruucda Cusub ee Shiinaha ee Dhoofinta Sodium Cyanide iyo Hagida Iibsadayaasha Caalamiga ah
- 4Sodium Cyanide (CAS: 143-33-9) Shahaadada isticmaalaha dhamaadka (nooca Shiinaha iyo Ingiriisiga)
- 5Cyanide International (Sodium cyanide) Xeerka Maamulka - Heerarka Oggolaanshaha Miinada Dahabka
- 6Warshada Shiinaha Sulfuric Acid 98%
- 7Anhydrous Oxalic acid 99.6% Heerka Warshadaha
- 1Sodium Cyanide 98.3% CAS 143-33-9 Wakiilka labiska dahabka NaCN ee Muhiim u ah Macdanta Warshadaha Kiimikada
- 2Nadiif Sarreysa · Waxqabad Deggan · Soo kabasho Sare - sodium cyanide oo loogu talagalay leaching dahabka casriga ah
- 3Kaabayaasha Nafaqada ee Sarcosine Cunnada Qabta 99% min
- 4United ChemicalKooxda Cilmi-baadhistu waxay ku muujisaa awoodda iyada oo loo marayo xog-aragti ay wado xogtu
- 5AuCyan™ Sodium Cyanide oo Waxqabad Sare leh | 98.3% Nadiif ah oo loogu talagalay Macdanta Dahabka Adduunka
- 6Detonator Dijital ah (Waqtiga dib u dhigista 0 ~ 16000ms)
- 7Xoog-sare, Saxeexa ugu sarreeya ee Tuubada Qarxiya



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