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) na 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 Nchi za 77 + duniani kote, 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 Kaboni-ndani-ya-Massa (CIP), Kaboni-ndani-ya-Kuvuja (CIL), Kaboni-ndani-ya-Safuwima (CIC), Kuvuja kwa Heap, na Kuvuja kwa Vat.
To ensure absolute logistics security and uninterrupted supply chains, we operate exclusively via maritime ocean freight. We execute transactions under FOB (bandari za China) au 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 Sianidi ya sodiamu 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 sianidi 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. Pembetatu ya Dhahabu: United Chemical's Solutions for Colombia
AuCyan™ Sodiamu Sianidi NaCN (≥98.3%)
Kiwango cha Usafi: ≥98.3%To overpower the refractory sulfides found in the Antioquia gold belts, AuCyan™ Sodiamu Sianidi 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.
📊Vipimo vya Kiufundi: Kiwango cha Usafi cha 98.3%
Kwa kuzizidi viwango vya tasnia, makundi yetu ya hivi karibuni ya uzalishaji hufikia alama za "Ubora wa Juu" kila mara. Hapa chini kuna data ya utendaji iliyothibitishwa.
| Vipengee vya Kujaribu | Kiwango (GB/T 19306-2003) | AuCyan™ (Kawaida) | Athari ya Uendeshaji |
|---|---|---|---|
| Sianidi ya Sodiamu (NaCN) | ≥ 98.0% | 98.3% | Kiwango cha juu cha kuyeyuka kwa dhahabu na viwango vya urejeshaji. |
| Hidroksidi ya sodiamu (NaOH) | ≤ 0.5% | 0.13% | Uthabiti wa hali ya juu wa pH; huzuia hidrolisisi ya mapema. |
| Sodiamu Kaboneti (Na2CO3) | ≤ 0.5% | 0.18% | Kupunguza mwingiliano wa uchafu katika suluhisho la kuvuja. |
| Unyevu (H2O) | ≤ 0.9% | 0.3% | Uthabiti imara ulioimarishwa wakati wa uhifadhi wa muda mrefu na usafiri wa baharini. |
| Dutu zisizoyeyuka | ≤ 0.05% | 0.02% | Fomula ya kuzuia kuziba; hulinda pampu muhimu na nozeli. |
Kaboni Iliyoamilishwa ya Urejeshaji wa Dhahabu wa AuCarb™
Ugumu wa Sufuria ya Mpira: ≥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. Kaboni Iliyoamilishwa ya AuCarb™ is manufactured from hand-selected, high-density Shell ya Nazis via rigorous steam activation. We guarantee an elite ball-pan hardness of ≥ 99%, virtually eliminating mechanical attrition loss.
Kinetiki za Kunyonya Haraka: Extremely high Iodine and CTC activity ensure that gold-cyanide complexes are stripped from the solution quickly, increasing total plant throughput.
Kiwango Kidogo cha Damu kwenye Chembe za Damu: Engineered at ≤5% platelets to resist organic poisoning and ensure highly efficient elution and thermal regeneration cycles.
📊 Mfululizo wa AuCarb™: Jedwali la Ulinganisho wa Kihisia wa Vigezo vya Msingi
Ili kurahisisha mchakato wa uteuzi unaoeleweka zaidi unaolenga saketi yako maalum ya metali, tumefupisha vigezo vikuu vya kiufundi vya aina zetu nne kuu za AuCarb™.
| Kigezo cha Upimaji wa Kiini | AuCarb™ BC1100 | AuCarb™ AC50 | AuCarb™ AC55 | AuCarb™ AC60 |
|---|---|---|---|---|
| Nafasi ya Kuweka Alama za Soko | Uvujaji wa Kawaida wa Heap / Utendaji wa Gharama Kubwa | Bidhaa inayoweza kulinganishwa: Jacobi G208S | Bidhaa inayoweza kulinganishwa: Jacobi G209S | Chaguo la hali ya juu kwa Kiwango Kikubwa / Kinachoweza Kulinganishwa: Jacobi G210S |
| Msongamano unaoonekana | 0.40 - 0.50 g/ml | 0.48 - 0.55 g/ml | 0.45 - 0.55 g/ml | 0.45 - 0.55 g/ml |
| Ugumu wa sufuria ya mpira | ≥ 98.5% | ≥ 99% | ≥ 99% | ≥ 99% |
| Maudhui ya Chembechembe za Damu | ≤ 5% | ≤ 5% | ≤ 5% | ≤ 5% |
| Attrition | ≤ 2% | ≤ 1.5% | ≤ 2% | ≤ 2% |
| Jumla ya Maudhui ya Majivu | ≤ 5% | ≤ 3% | ≤ 3% | ≤ 3% |
| Unyevu | ≤ 10% | ≤ 5% | ≤ 5% | ≤ 5% |
| Uwezo wa Kunyonya (Thamani ya K) | / | ≥ Kilo 26/t | ≥ Kilo 28/t | ≥ Kilo 30/t |
| Kiwango cha Unyevushaji (Thamani ya R) | / | ≥ 50% | ≥ 55% | ≥ 60% |
| Nambari ya Iodini | ≥ 1100 mg/g | / | / | / |
| Shughuli za Butani | / | ≥ 19.5% | ≥ 21% | ≥ 23% |
| CTC (Shughuli ya Tetrakloridi ya Kaboni) | / | ≥ 50% | ≥ 55% | / |
* Viwango vya Utekelezaji: Inatii viwango vya ASTM vya Marekani na viwango vya upimaji wa madini ya ndani ya AARL. Bidhaa imefaulu ukaguzi wa mtu wa tatu na sampuli za majaribio zinaweza kutolewa kwa ombi.
Wakala wa Kuchuja Dhahabu wa AuLeach™ (GDA) - Sio Hatari
Kitendanishi Kisicho HatariTo navigate the intense regulatory scrutiny of ANLA and secure community approval across environmentally sensitive Colombian municipalities, Wakala wa Kuchuja Dhahabu wa AuLeach™ (GDA) is the definitive solution. Globally certified as a Isiyo na Hatari kemikali, AuLeach™ inachukua nafasi kabisa sianidi ya sodiamu, slashing the massive overhead of military transit escorts and complex chemical import permits.
Vifaa vya 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.
Kupunguza kwa kasi kwa OPEX: 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.
📌 Upatikanaji wa Sampuli ya Maabara Bila Malipo:
United Chemical kwa furaha hutoa sampuli za majaribio ya maabara bila malipo kwa ajili ya Kaboni Iliyoamilishwa ya Urejeshaji wa Dhahabu wa AuCarb™ na Wakala wa Kuchuja Dhahabu wa AuLeach™ (GDA) - Sio Hatari. Run comprehensive bottle roll and column tests to verify our kinetic advantages before placing a bulk order.
* Usafirishaji wa jumla wa kibiashara duniani kote huanza katika Kiasi cha Chini cha Oda cha kiwandani (MOQ) cha 1x20' FCL kupitia masharti ya usafiri wa baharini ya FOB au CIF.
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 Bandari ya 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™?
Ndiyo. Kwa sababu Wakala wa Kuchuja Dhahabu wa AuLeach™ (GDA) is globally certified as a Isiyo na Hatari 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 Iliyotokana na 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 Sianidi ya sodiamu. 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™ Sodiamu Sianidi 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 (Mzigo Kamili wa Kontena). 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.
- Maudhui Nasibu
- Maudhui ya moto
- Maudhui motomoto ya ukaguzi
- Kiwanda cha China Sulfuric Acid 98%
- Bomba la mshtuko wa nguvu ya juu (VOD≧2000m/s)
- Ammonium Nitrate Prills Porous
- Acetone
- Mbolea magnesiamu sulfate/magnesiamu sulfate monohidrati
- Asidi ya Fosforasi 85% (Daraja la chakula)
- Sodiamu Metasilicate Pentahydrate
- 1Sianidi ya Sodiamu iliyopunguzwa bei (CAS: 143-33-9) kwa Uchimbaji - Ubora wa Juu na Bei za Ushindani
- 2Sodiamu Sianidi 98.3% CAS 143-33-9 Kiambato cha dhahabu cha NaCN Muhimu kwa Viwanda vya Kemikali vya Madini
- 3Kanuni Mpya za China kuhusu Usafirishaji wa Sianidi ya Sodiamu na Mwongozo kwa Wanunuzi wa Kimataifa
- 4Sodium Cyanide (CAS: 143-33-9) Cheti cha mwisho cha mtumiaji (toleo la Kichina na Kiingereza)
- 5Sianidi ya Kimataifa(Sianidi ya Sodiamu) Msimbo wa Usimamizi - Viwango vya Kukubalika kwa Mgodi wa Dhahabu
- 6Kiwanda cha China Sulfuric Acid 98%
- 7Asidi ya Oxalic isiyo na maji 99.6% ya Daraja la Viwanda
- 1Sodiamu Sianidi 98.3% CAS 143-33-9 Kiambato cha dhahabu cha NaCN Muhimu kwa Viwanda vya Kemikali vya Madini
- 2Usafi wa Hali ya Juu · Utendaji Imara · Urejeshaji wa Juu — sianidi ya sodiamu kwa uchujaji wa dhahabu wa kisasa
- 3Virutubisho vya Lishe kwa Chakula Sarcosine Inayoongeza Dakika 99%.
- 4United ChemicalTimu ya Utafiti Inaonyesha Mamlaka Kupitia Maarifa Yanayoendeshwa na Data
- 5Sainidi ya Sodiamu ya Utendaji wa Juu ya AuCyan™ | Usafi wa 98.3% kwa Uchimbaji wa Dhahabu Duniani
- 6Kipumulio cha Kielektroniki cha Dijitali (Muda wa kuchelewa 0 ~ 16000ms)
- 7Kifafanulia cha Mirija ya Mshtuko chenye nguvu ya juu na kwa usahihi wa hali ya juu



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