Skip To Main Content
Sally Zhang on Muck Rack

Sally Zhang

As seen in: Dropbox, Nature, ABC News, Popular Science, TechNode, EIN News, FastMarkets, Metal Bulletin, Brown Political Review, AGU's Eos
Is this you? As a journalist, you can create a free Muck Rack account to customize your profile, list your contact preferences, and upload a portfolio of your best work. Claim your profile

Get in touch with Sally

Contact Sally, search articles and posts on X, monitor coverage, and track replies from one place.

Learn more about Muck Rack

Actions

Share this page

Is this you?

As a journalist, you can create a free Muck Rack account to customize your profile, list your contact preferences, and upload a portfolio of your best work.
Claim your profile

Articles

Sulfur, pyrite, tolling emerge as new levers in copper concentrate trade: sources

|
By Julienne Raboca Verified, Sally Zhang
| FastMarkets Verified
Key takeaways: The function of treatment and refining charges (TC/RCs) for copper concentrates is being partially displaced by a broader set of commercial levers amid elevated byproduct values including readjusted gold and silver payables, sulfuric acid tolling arrangements and renewed trade in gold-bearing pyrite materials.
Open in Who Shared Issue with article?

Kamoa-Kakula Q1 copper concentrate output falls 54% year on year, Ivanhoe weighs third-party purchases

|
By Julienne Raboca Verified, Benjamin Wein, Sally Zhang
| FastMarkets Verified
Sulfuric acid output provided an additional margin stream for Kamoa-Kakula’s recently commissioned on-site smelter at a time when global supply of the chemical has been tightening amid disruption to seaborne sulfur flows from the Middle East. The first sales of sulfuric acid from the Kamoa-Kakula smelter took place in early 2026 to nearby mining operations in the DRC Copperbelt, according to a company press release.
Open in Who Shared Issue with article?

‘Tougher challenges than ever’ facing global copper smelting industry: 2026 preview

|
By Sally Zhang
| FastMarkets Verified
Key takeaways: Tougher challenges for copper smelting in 2026: Supply-demand imbalance, rising production risks, and unprecedented market uncertainty strain the industry. Fragmented pricing and complex negotiations: Record-low TC/RCs and index-linked pricing complicate 2026 supply talks, threatening a standard benchmark. Smelter survival under pressure: Low TC/RCs, reliance on by-product revenues, and production risks challenge smelters’ profitability and operations.
Open in Who Shared Issue with article?
See all 538 licensed articles (539 Total)