Sticht persuaded the company to use pyritic smelting, designed and supervised the erection of the reduction works plant and in 1897 was appointed general manager of the company.
12.
In the rainy seasons, the canals are discharging acidic water with a high ratio of pyritic sulphate into rivers up to 150 km upstream from the river mouth.
13.
Although a technical success, pyritic smelting had a " horrendous cost to the environment in the destruction of a vast area of rainforest and in pollution of rivers ".
14.
In the rainy seasons, the canals are discharging acidic water with a high ratio of pyritic sulphate into the Kahayan river up to 150 km upstream from the river mouth.
15.
Pyritic " Promicroceras " fossils are commonly found along the coast of Lyme Regis where they are well preserved in the Lower Jurassic ( Sinemurian ) Black Ven Marl.
16.
In the gold rush of 1893, miners in Kalgoorlie discarded a pyritic material as they searched for pure gold, and it was used to fill in potholes and build sidewalks.
17.
The mining involved the treatment of pyritic ore with a sodium cyanide solution to leach the gold out of the ore & mdash; heap leaching ( see also cyanide process ).
18.
Beneath extensive deposits of grey pyritic shale a thin band of sideritic mudstone is present at this site and there is a further 6 metres of almost non-bituminous shale beneath it.
19.
Open roasting was replaced by pyritic smelting in 1904, and the smelters began recovering the most of the sulfur in the form of sulfuric acid rather than releasing it to the atmosphere.
20.
Construction of Interstate 99 where it crosses Bald Eagle Mountain has been delayed since 2004 by complaints from the Pennsylvania Department of Environmental Protection about acidic runoff from pyritic rock excavated from this formation.
