Sodium Cyanide Solution

Product details

1.  General Introduction of Sodium Cyanide 30% solution

Sodium Cyanide 30% solution is mainly used as leaching agent in gold mining operations with leaching process, it's also as known as Sodium Cyanide, NaCN, CAS#143-33-9, Cymag, Cyanide of sodium, Cyanide salts, cyanosodium, Cyanogran, Cyanobrik, Caswell No. 758. and etc. Anhui Sanji Chemical Co., Ltd. is the exclusive agent of Hebei ChengXin Co., Ltd. in nominated regions; Hebei ChengXin is one of the largest Sodium Cyanide manufacturer in the world, annual production capacity is around 120,000 metrical tons which owns around 20% market share worldwide. Hebei ChengXin is also a signatory of ICMI(The International Cyanide Management Code), which was determined that its Sodium Cyanide management systems, plans and procedures have been developed and are being implemented in compliance with International Cyanide Management Code for the Manufacture, Transport and Use of Cyanide in the production of gold.

Sodium Cyanide 30% solution is high toxic chemical and classified as Dangerous Goods Clarification: 6.1 and UN No.:3414; which can be used for storing, processing, producing and treating of chemical weapons; due to this reason, it's the strictly monitor & controlled products under United Nation and each country, EUC(End User Certificate) and related documents needs to be submitted for approval of Export License before delivery. Obviously, all companies related to manufacture and transport of Sodium Cyanide must be licensed and qualified including Manufacturer, Exporter, Logistic, Storage, Carrier, Importer and End Users.

Sodium Cyanide's production can be with different processes including: ammonia sodium method, cyanide melt method, iS-One method, flame method, light oil cracking method, vinyl cyanide by-product method. Wherein Hebei Chengxin is using light oil cracking method, light oil and ammonia are mixed in proportion in spraying gun, 280 DEG C of preheating, scission reaction in electric arc furnace, when 1450 DEG C of temperature, reaction generates prussic acid gas, through dedusting, cooling to 280 DEG C after, then with absorbing by liquid caustic soda generate sodium cyanide, with general reaction formula C6H 14+6NH3→6HCN+13H2, HCN+NaOH→NaCN+H2O. light oil cracking method is also the most widely used technology for producing Sodium Cyanide due to high utilization coefficient of light oil and liquid ammonia, also more safe continuous plant operation in micro negative pressure.

2.  Application of Sodium Cyanide 30% solution

Sodium Cyanide 30% solution can be used for fumigation, extracting gold and silver from ores, and chemical manufacturing. However, gold extraction with leaching process is its main applications. Since Sodium Cyanide is highly soluble, gold ore after crushing and grinding and sodium cyanide (NaCN) solution mixtures is fed into large mechanically stirred tanks where it is agitated with air as a leaching process to form the leachate (gold-cyanide complex). The air provides dissolves oxygen for gold leaching process to supplies moderate stirring power, which forces better contact between reactant and ensuring that the pulp at the bottom of tank does not heap up together. Typical feed composition simulation can be ores (Au) = 0.15 kg/hr, O2 = 113.45 kg/hr, CN- = 2.9117kg/hr, OH- =0.9519 kg/hr, Na+ = 4.0397 kg/hr and H2O = 55994 kg/hr, as per process flow diagram bellow:

3.  Technical Datasheet of Sodium Cyanide 30% solution

4.  Package and Delivery of Sodium Cyanide 30% solution

Special ISO tanks with insulation treatment required for transportation of Sodium Cyanide 30% solution, there are typical 2 types of ISO tanks:

18Kl Sodium Cyanide Solution ISO Tanks: 18Kl ISO tanks with support frames are of standard ISO dimensions, 6058mm long, 2438mm wide and 2591mm high with a tare weight of 4.2 tons, designed and constructed of carbon steel to the IMDG Code for IMO Type 1 vessels, the gross mass of each loaded ISO tank is 24.8 tons including 20.6 tons of sodium cyanide solution at 30% concentration at S.G. of 1.19.

22Kl Sodium Cyanide Solution ISO Tanks: 22Kl ISO tanks with support frames are of standard ISO dimensions, 6058mm long, 2438mm wide and 2591mm high with a tare weight of 3.6 tons, designed and constructed of stainless steel to the requirements of T-14 UN Portable tanks and IMDG T14, the gross mass of each loaded ISO tank is up to 27.8 tons including 24.2 tons of sodium cyanide solution at 30% concentration at S.G. of 1.19.

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