Petropavlovsk has put into operation the processing of gold-containing concentrate at its first autoclave.
As of early December 320 tons have been processed. The extraction is 93%, not much below the targeted 98%.
The manufacture of gold from refractory ore, according to the company, will start in Q1 2019.
The second autoclave is being commissioned, and the first processing is expected by the end of the year.
The third and the fourth autoclaves will be commissioned in Q2 2019. (Ukrainian metal)