Picture of Darren Cloete

Darren Cloete

Mining Smarter: How Random Packings Keep Acid Plants and Air Scrubbers Running Clean

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When most people think of mining, they picture the digging, blasting, and hauling. But what happens after the ore leaves the ground? There’s an entire world of processing and purification happening behind the scenes — and one of the unsung heroes of that process is something called random packings.

These little engineered shapes don’t look like much, but they’re critical to keeping mining operations efficient, environmentally responsible, and in line with regulations. Let’s break down where they come into play and why they’re trusted across the industry.

Where Do Random Packings Fit In?

1. Acid Plants
Mines rely heavily on sulphuric acid for refining metals. Inside the drying and absorption towers where that acid is produced, random packings make the process far more efficient. They boost the transfer of gases and liquids, improving yield without requiring massive towers or expensive upgrades.

2. Gas Scrubbers
Before any exhaust gases leave a mine, they have to be cleaned. Packed bed scrubbers, filled with chemical-resistant random packings, strip out harmful pollutants. It’s how mining operations meet strict environmental standards — and keep the air around their sites cleaner.

3. Solvent Recovery
Extracting precious metals often means using solvents, and recovering those solvents is critical for both cost and sustainability. In distillation systems, random packings increase the surface area for contact, making separation more effective and cutting down on waste.

4. Water Treatment
Mine water can carry all sorts of impurities. Random packings help here, too — whether in degassing towers or biological filters, they improve water quality by boosting treatment performance and reducing contaminants.

Why Mines Rely on Them

The mining industry isn’t forgiving. Equipment faces constant exposure to harsh chemicals, high heat, and heavy demands. Random packings work because they’re:

  • Engineered to withstand corrosive environments
  • Designed to boost mass transfer performance
  • Compact and cost-effective compared to other solutions
  • Known to reduce downtime and extend the life of processing equipment

Pallchem: Your Partner in Performance

At Pallchem, we specialise in high-quality random packings built for the toughest environments, including mining. Whether you’re optimising an acid plant, upgrading scrubbers, or improving your water treatment systems, we can help make your processes cleaner, more efficient, and more reliable.

Let’s talk about how we can help streamline your operation.
Contact Darren at [email protected], or visit www.pallchem.co.za to explore our full range.

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Beyond the Tower: Unconventional Applications of Random Packing

At Pallchem, we’re best known for providing high-performance mass transfer and separation media to industries across Africa. While the typical use of random packing is in chemical processing—within absorption columns, scrubbers, and distillation towers—these structured and unstructured packings are finding their way into some unexpected applications.

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