坑内選鉱の利害
1961 年 77 巻 879 号 p. 683-685
詳細
1961 年 77 巻 879 号 p. 683-685
We understand that there are a few underground are dressing plants in foreign countries, according to various mining journals, but the details of constructions and operations are not revealed.
Therefore, the author intends to explain the relative merits of Yatani Underground Mill which started operation in 1959. This plant is the first one of its kind in Japan entirely constructed in underground.
The tops taken up by the author are itemized as follows:
1. The difficulty of construction and its cost involved
2. The performance of mineral extraction
3. The operational running cost
4. The plant working environment or conditions
5. The general overall merits and demerits of the plant.
