Sinhon Thiourea | Gold leaching using thiourea

Thiourea is like the eco-conscious cousin of traditional gold leaching methods. Picture it as the Prius of the metallurgical world—efficient, less harmful, and with a smaller carbon footprint.

So, here’s the scoop: Electrochemical leaching of gold involves coaxing those precious atoms out of their mineral matrix using chemical reactions. In this case, we're talking about thiourea—a compound that sounds like it moonlights as a superhero.

1. Why Thiourea?

Gold is a rockstar in electronics, especially on those printed circuit boards. But the traditional methods—like cyanidation—aren't exactly eco-friendly. Think of cyanide as the villain in this story, lurking around with its toxic vibes.

Enter thiourea! It's like the cool kid who shows up at the party with organic snacks. It's less harmful, reacts quickly, and doesn't make Mother Earth cringe.

2. The Chemistry Dance:

When you mix gold ore (usually sulfide gold ore) with acidified thiourea, magic happens.

The complex sulfides in the ore get roasted first (kind of like waking them up from a deep slumber). This makes the gold more accessible for leaching.

Parameters matter: Leaching time, temperature, pulp density, and thiourea concentration—they all play a role.

The sweet spot? Around 96.2% gold dissolution after 6 hours of leaching at 60°C with 40 g/L of thiourea.

3. Why Should We Care?

Because we're all about sustainability. Thiourea leaching could be the alternative to the traditional cyanide process. Imagine a world where gold extraction doesn't involve toxic chemicals.

Plus, it aligns with the circular economy vibe—closed-loop systems, material recovery, and high-fives to Mother Nature.

Remember, gold isn't just bling; it's also a symbol of innovation. And thiourea? Well, it's the eco-friendly sidekick that's here to stay.

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Sinhon Chemical focuses on high-quality thiourea production and manufacturing, 20,000 tons per year. We are also engaged in supply chain business, providing comprehensive solutions from products to users. 

Excellent service, reliable quality, delivering more value.

Contact us to start our journey of cooperation.

Email: info@sinhon-chem.com