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) a Tiakarete, 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 + whenua i te ao, 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 Waro-i-te-Pūru (CIP), Waro-i-te-Whakarewa (CIL), Waro-i-te-Pou (CIC), Whakarewa puranga, me te Whakarewa poka.
To ensure absolute logistics security and uninterrupted supply chains, we operate exclusively via maritime ocean freight. We execute transactions under FOB (ngā tauranga o Haina) rānei 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 konutai 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 tina 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. Te Tapatoru Koura: United Chemical's Solutions for Colombia
AuCyan™ Konutai Cyanide NaCN (≥98.3%)
Paerewa Parakore: ≥98.3%To overpower the refractory sulfides found in the Antioquia gold belts, AuCyan™ Konutai 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.
📊Whakatakotoranga Hangarau: Te Paerewa Parakore 98.3%
I te mea e hipa ana i ngā paearu ahumahi, ka eke tonu ā mātou puranga whakaputa hou ki ngā tohu "Kounga Tino Pai". Kei raro nei ngā raraunga mahi kua whakamanahia.
| Nga Tuemi Whakamatau | Paerewa (GB/T 19306-2003) | AuCyan™ (Noa) | Pānga Whakahaere |
|---|---|---|---|
| Konutai Cyanide (NaCN) | ≥ 98.0% | 98.3 orau | Te tere o te whakarewatanga koura me ngā reiti whakaora mōrahi. |
| Konutai Waiwai (NaOH) | ≤ 0.5% | 0.13 orau | He tino pumau te pH; ka ārai i te waikura wawe. |
| Konutai Kāponāte (Na2CO3) | ≤ 0.5% | 0.18 orau | Ka whakaitihia te wawaotanga o te poke i roto i te otinga tātā. |
| Makuku (H2O) | ≤ 0.9% | 0.3 orau | Te pumau pakari kua whakapakaritia i te wā rokiroki roa me te kawe waka. |
| Nga Taonga Whakarewa | ≤ 0.05% | 0.02 orau | He tikanga ārai-aukati; he tiaki i ngā papu me ngā pūwero nui. |
Waro Whakahohe Anga Kokonati Whakaora AuCarb™
Te pakeke o te paraharaha poro: ≥99%In high-density CIP and CIL agitation tanks, soft activated waro is crushed into fine dust, carrying your adsorbed gold straight into the tailings dam. Waro Whakahohe AuCarb™ is manufactured from hand-selected, high-density Te kokonati kokonatis via rigorous steam activation. We guarantee an elite ball-pan hardness of ≥99%, virtually eliminating mechanical attrition loss.
Ngā Kinetika Mimi Tere: Extremely high Iodine and CTC activity ensure that gold-cyanide complexes are stripped from the solution quickly, increasing total plant throughput.
Iti te Ihirangi o te Pereti: Engineered at ≤5% platelets to resist organic poisoning and ensure highly efficient elution and thermal regeneration cycles.
📊 Raupapa AuCarb™: Ripanga Whakataurite Ātaahua mō ngā Tawhā Matua
Hei whakahaere i tētahi tukanga whiriwhiri māmā ake e hāngai ana ki tō ara iahiko whakarewa, kua whakarāpopototia e mātou ngā tawhā hangarau matua o ā mātou momo AuCarb™ matua e whā.
| Tawhā Whakamātautau Matua | AuCarb™ BC1100 | AuCarb™ AC50 | AuCarb™ AC55 | AuCarb™ AC60 |
|---|---|---|---|---|
| Te Tūnga Paetae Mākete | Te Whakarewa Puranga Tikanga / Te Mahi Utu-Teitei | Hua rite: Jacobi G208S | Hua rite: Jacobi G209S | Kōwhiringa matatau mō te Tauine Nui / Taurite: Jacobi G210S |
| Te Totoi Te ahua | 0.40 - 0.50 g/ml | 0.48 - 0.55 g/ml | 0.45 - 0.55 g/ml | 0.45 - 0.55 g/ml |
| Te mārō o te paraharaha-pōro | ≥ 98.5% | ≥ 99% | ≥ 99% | ≥ 99% |
| Ihirangi Pereti | ≤ 5% | ≤ 5% | ≤ 5% | ≤ 5% |
| Whakahiatotanga | ≤ 2% | ≤ 1.5 orau | ≤ 2% | ≤ 2% |
| Ihirangi pungarehu katoa | ≤ 5% | ≤ 3% | ≤ 3% | ≤ 3% |
| makuku | ≤ 10 orau | ≤ 5% | ≤ 5% | ≤ 5% |
| Te Kaha Whakamimiti (Uara K) | / | ≥ 26 kg/t | ≥ 28 kg/t | ≥ 30 kg/t |
| Te Auau Whakamimiti (Uara R) | / | ≥ 50 orau | ≥ 55 orau | ≥ 60 orau |
| Tau Iodine | ≥ 1100 mg/g | / | / | / |
| Te Mahi Pūtāne | / | ≥ 19.5% | ≥ 21% | ≥ 23% |
| CTC (Te Mahi Waro Tetrachloride) | / | ≥ 50 orau | ≥ 55 orau | / |
* Ngā Paerewa Whakatinanatanga: E tutuki ana i ngā paerewa ASTM o Amerika me ngā paerewa whakamātautau keri ā-roto a AARL. Kua paahitia e te hua te tirotiro a te hunga tuatoru, ā, ka taea te whakarato tauira whakamātautau mēnā ka tonoa.
AuLeach™ Kaihoko Whakarewa Koura (GDA) - Kāore he Mōrearea
Tauhohenga Kore-MōreareaTo navigate the intense regulatory scrutiny of ANLA and secure community approval across environmentally sensitive Colombian municipalities, Kaihoko Whakarewa Koura AuLeach™ (GDA) is the definitive solution. Globally certified as a Kāore i te Mōrearea matū, ka whakakapi katoatia e AuLeach™ konutai cyanide, slashing the massive overhead of military transit escorts and complex chemical import permits.
Kore Taputapu 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.
📌 Kei te wātea ngā tauira taiwhanga kore utu:
United Chemical he harikoa ki te whakarato i ngā tauira whakamātautau taiwhanga kore utu mō te Waro Whakahohe Anga Kokonati Whakaora AuCarb™ me te AuLeach™ Kaihoko Whakarewa Koura (GDA) - Kāore he Mōrearea. Run comprehensive bottle roll and column tests to verify our kinetic advantages before placing a bulk order.
* Ka tīmata ngā tukunga papatipu arumoni puta noa i te ao i te Rahinga Ota Iti rawa (MOQ) o te wheketere o te 1x20' FCL mā ngā tikanga moana FOB, CIF rānei.
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 Tauranga o 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™?
Ae. No te mea Kaihoko Whakarewa Koura AuLeach™ (GDA) is globally certified as a Kāore i te Mōrearea 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 Te Karauna Mahi 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 konutai 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™ Konutai 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 (Utaina Ipu Katoa). 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.
- Ihirangi Matapōkere
- Ihirangi wera
- Te ihirangi arotake wera
- Haina wheketere Waikawa Sulfuric 98%
- Te ngongo Huri-kaha teitei(VOD≧2000m/s)
- Hamoni Nitrate Porous Prills
- Tuhinga
- He tongi konupora konupora sulfate/konupora sulfate monohydrate
- Waikawa Phosphoric 85% (Koeke kai)
- Konutai Metasilicate Pentahidrate
- 1Ko te Sodium Cyanide kua whakahekehia (CAS: 143-33-9) mo te Maina - Kounga teitei me te Utu Whakataetae
- 2Konutai Cyanide 98.3% CAS 143-33-9 NaCN, he mea nui mō ngā ahumahi matū keri
- 3Nga Ture Hou a Haina mo te Kaweake i te Sodium Cyanide me te Arataki mo nga Kaihoko Ao
- 4Sodium Cyanide (CAS: 143-33-9) Tiwhikete kaiwhakamahi mutunga (Putanga Hainamana me te reo Ingarihi)
- 5Waehere Whakahaere - Paerewa Whakaaetanga Maina Koura
- 6Haina wheketere Waikawa Sulfuric 98%
- 7Waikawa Oxalic Anhydrous 99.6% Koeke Ahumahi
- 1Konutai Cyanide 98.3% CAS 143-33-9 NaCN, he mea nui mō ngā ahumahi matū keri
- 2Te Maamaa Teitei · Te Mahinga Pumau · Te Whakaora Teitei — te konutai cyanide mo te riihi koura hou
- 3Tāpiritanga Kai Kai Te Sarcosine 99% min
- 4United ChemicalKo te Rōpū Rangahau e whakaatu ana i te mana ma roto i nga tirohanga a te Raraunga
- 5AuCyan™ Konutai Cyanide Mahi-Teitei | 98.3% Parakore mō te Keri Koura o te Ao
- 6Mamati Hiko Detonator(Wā whakaroa 0~ 16000ms)
- 7Te Kaha-Teitei, Te Whakaputanga Tube Tube-Tiki



Te whakawhitiwhiti korero i runga ipurangi
UnitedChemical Tāpiri kōrero: