Gold, as a global hard currency, has always been a battleground for industrial giants in terms of mining and refining. However, in the traditional gold beneficiation process, an unavoidable pain point has long plagued the industry's development - the use of highly toxic chemical sodium cyanide.

With the promotion of the national "green mine" strategy and the increasingly strict environmental regulations,A green high-tech product called "environmentally friendly gold beneficiation agent" is quietly triggering a "gold extraction revolution" 。

Today, we will delve into the "rising star" in the gold mining industry from three dimensions: technical principles, market conditions, and selection criteria.

The way to break through the situation of environmentally friendly mineral selection agents

In the traditional cyanide gold extraction process, although the process is mature and cost-effective, sodium cyanide is highly toxic and difficult to control. According to statistics, currently over 80% of gold mining companies worldwide are still using sodium cyanide for production-6This brings extremely high safety costs and environmental risks to the storage, transportation, and tailings treatment of enterprises.

In order to solve this problem, "specialized, refined, and innovative" enterprises represented by Guangxi Senhe High tech have developed environmentally friendly precious metal beneficiation agents represented by the "Jinchan" series-1。

The chemical mechanism of this environmentally friendly agent is not simply "cyanide free", but uses "low toxicity organic compounds containing cyanide groups" instead of "inorganic toxic substances containing cyanide groups". 简单来说，这种分子结构通过共价键将氰基牢牢锁住，在碱性条件下不易解离出游离的氰根离子，从而在源头上实现了低毒化，但在浸金过程中又能发挥出类似氰化物的络合效果，高效地将金从矿石中“捕获”出来-3。

Technological breakthrough points:
At present, the top environmental beneficiation agents not only ensuremore than 90%The leaching rate, and even in the treatment of certain specific ores, the recovery rate is 1-2 percentage points higher than that of traditional sodium cyanide-4-10At the same time, they generally have "broad spectrum" and can adapt to existing processes such as heap leaching, pool leaching, and coal slurry, without the need for large-scale equipment renovation by mining enterprises-4-6。

Why is the market abandoning 'cyanide'?

The driving force behind the transformation of this industry is not only technology, but also the dual driving forces of policies and market demand.

1. Policy red line (policy driven):
According to the "Guiding Catalogue for Industrial Structure Adjustment (2024 Edition)" released by the National Development and Reform Commission, efficient, green, and low-carbon mineral processing agents have been clearly listed as encouraged industries-1。
In the "Catalogue of Advanced Applicable Technologies for Conservation and Comprehensive Utilization of Mineral Resources" released by the Ministry of Natural Resources, low toxicity and environmentally friendly leaching agents are prominently listed, which means that the authorities are strongly recommending this technological path-1。
In contrast, although sodium cyanide is currently not completely banned, its approval process in production and transportation is extremely cumbersome, and it faces increasingly high environmental taxes and sewage treatment costs-9。

2. Large stock replacement market (market driven):
Data shows that the global market size of precious metal beneficiation reagents will exceed 57 billion yuan in 2023, but the penetration rate of environmentally friendly products is only 8.02%-1-8There is huge growth potential hidden behind this set of data. It is expected that by 2028, the proportion of environmentally friendly products will increase to14.45% ，市场规模直逼百亿-1。

At present, many leading domestic mining companies such as Shandong Gold, Zijin Mining, Zhaojin Group, etc. have started to apply environmentally friendly gold extractants on their production lines on a large scale, and their products have been exported to more than 30 countries and regions such as Russia and Africa-1-6。

How to select high-quality environmentally friendly mineral processing agents?

For mining enterprise owners or buyers, how to make the right choice when facing the uneven range of gold extractant products on the market?

After integrating industry technical specifications, we have summarized the following four core selection criteria for you:

1. Safety and environmental friendliness are the bottom line
When reading product promotions, do not easily believe the exaggerated statement of "completely non-toxic". A truly environmentally friendly product should be low toxicity, meet the transportation standards for ordinary goods (non hazardous chemicals), and have no pungent odor during operation, and not be flammable or explosive. The key is that,Can the used tailings achieve low toxicity emissions or even directly meet the standardsThis will directly determine the subsequent environmental protection costs-4。

2. Extraction efficiency and cost are the core
In the laboratory stage, it is best to conduct column leaching or agitation leaching tests on ore samples. Key focus:

• Leaching rate: 优质产品针对不同类型矿石的浸出率应稳定在90%-95%以上。

• Comprehensive cost: 不要只看药剂单价，要计算“吨矿消耗量”加上“尾矿处理成本”的总和-4。

3. Process adaptability is key
High quality environmentally friendly mineral selection agents should have good compatibility. If your mine originally used cyanide technology, it is best to replace the reagentsDo not change the original processExcellent manufacturers will provide customized formula adjustments and technical services based on the characteristics of your ore (such as arsenic, sulfur, oxidized ore, etc.)-3-4。

4. Manufacturer qualifications and service capabilities
Assess whether the manufacturer is a "specialized, refined, and innovative" enterprise, whether they have a large-scale production line (production capacity determines product stability), and whether they have successful large-scale mining application cases. At present, leading enterprises in the industry have achieved automated production with an annual output of tens of thousands of tons, which can ensure batch stability of product quality, far superior to small workshop style products-1-8。

Conclusion

Environmental protection never comes at the cost of sacrificing efficiency. On the contrary,The emergence of environmentally friendly gold beneficiation agents has achieved a win-win situation of "green" and "efficient". 随着国家“双碳”目标的深入实施，传统的剧毒氰化法终将成为过去式，而具备核心专利技术的环保选矿剂厂家，正在引领中国矿业走向更高质量、更可持续的发展之路。