Archives for August, 2015

Specialty Metals and Minerals – A Prologue

I plan to commence a series of posts on specialty metals and minerals. There are various definitions -  my definition excludes base and precious metals, bulk minerals such as iron ore and energy metals such as uranium. Specialty metals include those that are alloyed with other metals, such as antimony, titanium…

The Five Most Popular Posts of August 2015

Selling Metal Concentrates: Payable Metal, Treatment Charges, Penalties, Terms of Sale An evergreen from 2013. It has information that is very difficult to obtain without fee. Therefore, it is reposted on numerous sites. The Investment Clock: Revisited An investment clock from Citi, one of the best I have seen. A…

Worth Watching VI: Altech Chemicals Ltd (ASX: ATC)

Back in the day, I developed a sulphur dioxide (“SO2”) leach process to produce electrolytic manganese dioxide (“EMD”), from a ferromanganese feedstock. EMD is the active ingredient in dry cell batteries. The leach process was lower cost than existing technologies. And far less polluting. We built a pilot plant at…